./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfc29f03d3be9b41eb07ac14f0f7eac45bf3a60a4a6601e3132f720b72534d53 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:10:28,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:10:28,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:10:28,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:10:28,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:10:28,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:10:28,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:10:28,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:10:28,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:10:28,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:10:28,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:10:28,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:10:28,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:10:28,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:10:28,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:10:28,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:10:28,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:10:28,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:10:28,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:10:28,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:10:28,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:10:28,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:10:28,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:10:28,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:10:28,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:10:28,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:10:28,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:10:28,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:10:28,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:10:28,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:10:28,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:10:28,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:10:28,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:10:28,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:10:28,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:10:28,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:10:28,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:10:28,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:10:28,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:10:28,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:10:28,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:10:28,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-07 01:10:28,889 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:10:28,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:10:28,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:10:28,897 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:10:28,898 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:10:28,898 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:10:28,898 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:10:28,898 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:10:28,898 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:10:28,899 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:10:28,900 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:10:28,900 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:10:28,900 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:10:28,901 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:10:28,901 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:10:28,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:10:28,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:10:28,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:10:28,902 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:10:28,903 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:10:28,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:10:28,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:10:28,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:10:28,903 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:10:28,904 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:10:28,904 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:10:28,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:10:28,904 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:10:28,904 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:10:28,905 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:10:28,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:10:28,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:10:28,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:10:28,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:10:28,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:10:28,906 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:10:28,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:10:28,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:10:28,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:10:28,907 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfc29f03d3be9b41eb07ac14f0f7eac45bf3a60a4a6601e3132f720b72534d53 [2021-11-07 01:10:29,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:10:29,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:10:29,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:10:29,207 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:10:29,208 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:10:29,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2021-11-07 01:10:29,282 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/data/b644e7175/4a66014833454a85ae1d5b56756a3909/FLAG7ec353339 [2021-11-07 01:10:29,916 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:10:29,917 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2021-11-07 01:10:29,945 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/data/b644e7175/4a66014833454a85ae1d5b56756a3909/FLAG7ec353339 [2021-11-07 01:10:30,161 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/data/b644e7175/4a66014833454a85ae1d5b56756a3909 [2021-11-07 01:10:30,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:10:30,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:10:30,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:10:30,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:10:30,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:10:30,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:10:30" (1/1) ... [2021-11-07 01:10:30,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab378ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:30, skipping insertion in model container [2021-11-07 01:10:30,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:10:30" (1/1) ... [2021-11-07 01:10:30,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:10:30,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:10:30,415 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c[2074,2087] [2021-11-07 01:10:30,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:10:30,711 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:10:30,725 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c[2074,2087] [2021-11-07 01:10:30,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:10:30,913 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:10:30,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:30 WrapperNode [2021-11-07 01:10:30,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:10:30,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:10:30,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:10:30,915 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:10:30,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:30" (1/1) ... [2021-11-07 01:10:30,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:30" (1/1) ... [2021-11-07 01:10:31,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:10:31,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:10:31,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:10:31,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:10:31,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:30" (1/1) ... [2021-11-07 01:10:31,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:30" (1/1) ... [2021-11-07 01:10:31,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:30" (1/1) ... [2021-11-07 01:10:31,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:30" (1/1) ... [2021-11-07 01:10:31,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:30" (1/1) ... [2021-11-07 01:10:31,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:30" (1/1) ... [2021-11-07 01:10:31,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:30" (1/1) ... [2021-11-07 01:10:31,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:10:31,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:10:31,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:10:31,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:10:31,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:30" (1/1) ... [2021-11-07 01:10:31,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:10:31,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:10:31,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:10:31,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:10:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:10:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:10:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:10:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:10:31,745 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,747 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,755 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,760 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,767 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,773 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,778 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,785 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,789 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,792 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,795 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,797 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,802 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,807 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,809 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,812 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,816 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,819 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,822 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,825 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,828 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,831 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,834 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,836 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,838 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,841 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,844 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,847 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,849 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,852 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,854 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,857 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,909 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,911 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,912 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,914 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,915 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,917 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,918 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,920 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,921 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,923 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:31,925 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:33,639 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1271: assume false; [2021-11-07 01:10:33,640 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1272: assume !false; [2021-11-07 01:10:33,640 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-11-07 01:10:33,641 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-11-07 01:10:33,641 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1230: assume !false; [2021-11-07 01:10:33,641 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##287: assume false; [2021-11-07 01:10:33,641 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume !false; [2021-11-07 01:10:33,641 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1229: assume false; [2021-11-07 01:10:33,642 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1210: assume false; [2021-11-07 01:10:33,642 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1211: assume !false; [2021-11-07 01:10:33,642 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##319: assume false; [2021-11-07 01:10:33,642 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##320: assume !false; [2021-11-07 01:10:33,642 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1160: assume !false; [2021-11-07 01:10:33,642 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1159: assume false; [2021-11-07 01:10:33,642 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##371: assume false; [2021-11-07 01:10:33,643 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##372: assume !false; [2021-11-07 01:10:33,643 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1108: assume false; [2021-11-07 01:10:33,643 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1109: assume !false; [2021-11-07 01:10:33,643 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##346: assume false; [2021-11-07 01:10:33,643 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##347: assume !false; [2021-11-07 01:10:33,643 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##416: assume false; [2021-11-07 01:10:33,643 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##417: assume !false; [2021-11-07 01:10:33,644 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1050: assume !false; [2021-11-07 01:10:33,644 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L305: CdAudioPnp_#res := 0; [2021-11-07 01:10:33,644 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1049: assume false; [2021-11-07 01:10:33,644 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1003: assume false; [2021-11-07 01:10:33,644 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1004: assume !false; [2021-11-07 01:10:33,645 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##461: assume !false; [2021-11-07 01:10:33,645 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##460: assume false; [2021-11-07 01:10:33,645 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##487: assume !false; [2021-11-07 01:10:33,645 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##486: assume false; [2021-11-07 01:10:33,645 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##526: assume !false; [2021-11-07 01:10:33,645 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##525: assume false; [2021-11-07 01:10:33,646 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume !false; [2021-11-07 01:10:33,646 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume false; [2021-11-07 01:10:33,646 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2021-11-07 01:10:33,646 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2021-11-07 01:10:33,646 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2021-11-07 01:10:33,647 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2021-11-07 01:10:33,647 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2021-11-07 01:10:33,648 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2021-11-07 01:10:33,648 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##573: assume !false; [2021-11-07 01:10:33,648 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##572: assume false; [2021-11-07 01:10:33,648 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##685: assume !false; [2021-11-07 01:10:33,649 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##684: assume false; [2021-11-07 01:10:33,649 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##609: assume false; [2021-11-07 01:10:33,650 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##610: assume !false; [2021-11-07 01:10:33,650 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##639: assume !false; [2021-11-07 01:10:33,650 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##638: assume false; [2021-11-07 01:10:33,650 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1612: assume false; [2021-11-07 01:10:33,650 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1613: assume !false; [2021-11-07 01:10:33,650 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##757: assume !false; [2021-11-07 01:10:33,651 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##756: assume false; [2021-11-07 01:10:33,651 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##717: assume !false; [2021-11-07 01:10:33,651 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##716: assume false; [2021-11-07 01:10:33,651 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1506: assume false; [2021-11-07 01:10:33,651 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1507: assume !false; [2021-11-07 01:10:33,652 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1564: assume false; [2021-11-07 01:10:33,652 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1565: assume !false; [2021-11-07 01:10:33,652 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##856: assume false; [2021-11-07 01:10:33,652 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##857: assume !false; [2021-11-07 01:10:33,653 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##801: assume false; [2021-11-07 01:10:33,653 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##802: assume !false; [2021-11-07 01:10:33,653 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##832: assume !false; [2021-11-07 01:10:33,654 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##831: assume false; [2021-11-07 01:10:33,656 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1426: assume false; [2021-11-07 01:10:33,657 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1427: assume !false; [2021-11-07 01:10:33,657 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1476: assume false; [2021-11-07 01:10:33,657 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1477: assume !false; [2021-11-07 01:10:33,658 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1398: assume false; [2021-11-07 01:10:33,658 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1399: assume !false; [2021-11-07 01:10:33,658 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##961: assume !false; [2021-11-07 01:10:33,659 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##960: assume false; [2021-11-07 01:10:33,659 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##909: assume false; [2021-11-07 01:10:33,666 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##910: assume !false; [2021-11-07 01:10:33,666 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1301: assume false; [2021-11-07 01:10:33,666 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1302: assume !false; [2021-11-07 01:10:33,666 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##188: assume !false; [2021-11-07 01:10:33,666 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##187: assume false; [2021-11-07 01:10:33,667 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume false; [2021-11-07 01:10:33,667 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##149: assume !false; [2021-11-07 01:10:33,667 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1354: assume false; [2021-11-07 01:10:33,667 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1355: assume !false; [2021-11-07 01:10:33,667 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1341: assume false; [2021-11-07 01:10:33,667 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1342: assume !false; [2021-11-07 01:10:33,667 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume false; [2021-11-07 01:10:33,668 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume !false; [2021-11-07 01:10:36,181 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:10:36,182 INFO L299 CfgBuilder]: Removed 555 assume(true) statements. [2021-11-07 01:10:36,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:10:36 BoogieIcfgContainer [2021-11-07 01:10:36,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:10:36,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:10:36,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:10:36,192 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:10:36,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:10:30" (1/3) ... [2021-11-07 01:10:36,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258c0b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:10:36, skipping insertion in model container [2021-11-07 01:10:36,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:30" (2/3) ... [2021-11-07 01:10:36,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258c0b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:10:36, skipping insertion in model container [2021-11-07 01:10:36,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:10:36" (3/3) ... [2021-11-07 01:10:36,194 INFO L111 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1.cil-1.c [2021-11-07 01:10:36,199 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:10:36,200 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 104 error locations. [2021-11-07 01:10:36,245 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:10:36,251 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:10:36,251 INFO L340 AbstractCegarLoop]: Starting to check reachability of 104 error locations. [2021-11-07 01:10:36,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 780 states, 675 states have (on average 1.7392592592592593) internal successors, (1174), 779 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:36,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-07 01:10:36,293 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:36,293 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-07 01:10:36,294 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:36,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:36,299 INFO L85 PathProgramCache]: Analyzing trace with hash 141332570, now seen corresponding path program 1 times [2021-11-07 01:10:36,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:36,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946610738] [2021-11-07 01:10:36,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:36,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:36,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:36,499 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:36,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946610738] [2021-11-07 01:10:36,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946610738] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:36,501 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:36,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:36,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032992764] [2021-11-07 01:10:36,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:36,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:36,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:36,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:36,531 INFO L87 Difference]: Start difference. First operand has 780 states, 675 states have (on average 1.7392592592592593) internal successors, (1174), 779 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:36,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:36,661 INFO L93 Difference]: Finished difference Result 784 states and 1072 transitions. [2021-11-07 01:10:36,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:36,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-07 01:10:36,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:36,689 INFO L225 Difference]: With dead ends: 784 [2021-11-07 01:10:36,689 INFO L226 Difference]: Without dead ends: 782 [2021-11-07 01:10:36,691 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:36,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2021-11-07 01:10:36,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 779. [2021-11-07 01:10:36,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 675 states have (on average 1.5822222222222222) internal successors, (1068), 778 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:36,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1068 transitions. [2021-11-07 01:10:36,805 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1068 transitions. Word has length 4 [2021-11-07 01:10:36,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:36,805 INFO L470 AbstractCegarLoop]: Abstraction has 779 states and 1068 transitions. [2021-11-07 01:10:36,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:36,806 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1068 transitions. [2021-11-07 01:10:36,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 01:10:36,807 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:36,807 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-07 01:10:36,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:10:36,807 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:36,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:36,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1833987899, now seen corresponding path program 1 times [2021-11-07 01:10:36,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:36,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054190114] [2021-11-07 01:10:36,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:36,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:36,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:36,856 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:36,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054190114] [2021-11-07 01:10:36,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054190114] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:36,857 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:36,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 01:10:36,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411991256] [2021-11-07 01:10:36,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:36,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:36,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:36,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:36,860 INFO L87 Difference]: Start difference. First operand 779 states and 1068 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:36,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:36,928 INFO L93 Difference]: Finished difference Result 984 states and 1332 transitions. [2021-11-07 01:10:36,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:36,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-07 01:10:36,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:36,935 INFO L225 Difference]: With dead ends: 984 [2021-11-07 01:10:36,935 INFO L226 Difference]: Without dead ends: 984 [2021-11-07 01:10:36,936 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:36,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2021-11-07 01:10:36,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 914. [2021-11-07 01:10:36,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 822 states have (on average 1.5717761557177616) internal successors, (1292), 913 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:36,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1292 transitions. [2021-11-07 01:10:36,986 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1292 transitions. Word has length 6 [2021-11-07 01:10:36,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:36,986 INFO L470 AbstractCegarLoop]: Abstraction has 914 states and 1292 transitions. [2021-11-07 01:10:36,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:36,987 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1292 transitions. [2021-11-07 01:10:36,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 01:10:36,987 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:36,988 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:36,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 01:10:36,988 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:36,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:36,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1239318394, now seen corresponding path program 1 times [2021-11-07 01:10:36,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:36,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156138139] [2021-11-07 01:10:36,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:36,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:37,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:37,034 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:37,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156138139] [2021-11-07 01:10:37,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156138139] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:37,035 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:37,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-07 01:10:37,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041407405] [2021-11-07 01:10:37,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:37,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:37,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:37,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:37,037 INFO L87 Difference]: Start difference. First operand 914 states and 1292 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:37,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:37,053 INFO L93 Difference]: Finished difference Result 913 states and 1291 transitions. [2021-11-07 01:10:37,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:37,053 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-07 01:10:37,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:37,059 INFO L225 Difference]: With dead ends: 913 [2021-11-07 01:10:37,059 INFO L226 Difference]: Without dead ends: 911 [2021-11-07 01:10:37,059 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:37,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2021-11-07 01:10:37,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 911. [2021-11-07 01:10:37,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 820 states have (on average 1.5609756097560976) internal successors, (1280), 910 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:37,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1280 transitions. [2021-11-07 01:10:37,084 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1280 transitions. Word has length 7 [2021-11-07 01:10:37,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:37,084 INFO L470 AbstractCegarLoop]: Abstraction has 911 states and 1280 transitions. [2021-11-07 01:10:37,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:37,085 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1280 transitions. [2021-11-07 01:10:37,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 01:10:37,086 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:37,086 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:37,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 01:10:37,087 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:37,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:37,087 INFO L85 PathProgramCache]: Analyzing trace with hash -98879247, now seen corresponding path program 1 times [2021-11-07 01:10:37,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:37,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237306703] [2021-11-07 01:10:37,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:37,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:37,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:37,148 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:37,148 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237306703] [2021-11-07 01:10:37,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237306703] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:37,149 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:37,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:37,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304069460] [2021-11-07 01:10:37,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:37,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:37,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:37,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:37,150 INFO L87 Difference]: Start difference. First operand 911 states and 1280 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:37,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:37,522 INFO L93 Difference]: Finished difference Result 901 states and 1290 transitions. [2021-11-07 01:10:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:37,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-07 01:10:37,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:37,528 INFO L225 Difference]: With dead ends: 901 [2021-11-07 01:10:37,528 INFO L226 Difference]: Without dead ends: 901 [2021-11-07 01:10:37,530 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:37,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2021-11-07 01:10:37,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 899. [2021-11-07 01:10:37,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 844 states have (on average 1.5272511848341233) internal successors, (1289), 898 states have internal predecessors, (1289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:37,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1289 transitions. [2021-11-07 01:10:37,552 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1289 transitions. Word has length 8 [2021-11-07 01:10:37,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:37,553 INFO L470 AbstractCegarLoop]: Abstraction has 899 states and 1289 transitions. [2021-11-07 01:10:37,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:37,553 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1289 transitions. [2021-11-07 01:10:37,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 01:10:37,554 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:37,555 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:37,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 01:10:37,555 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:37,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:37,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1229719949, now seen corresponding path program 1 times [2021-11-07 01:10:37,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:37,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812672993] [2021-11-07 01:10:37,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:37,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:37,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:37,599 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:37,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812672993] [2021-11-07 01:10:37,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812672993] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:37,599 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:37,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:37,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967758176] [2021-11-07 01:10:37,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:37,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:37,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:37,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:37,601 INFO L87 Difference]: Start difference. First operand 899 states and 1289 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:37,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:37,639 INFO L93 Difference]: Finished difference Result 828 states and 1169 transitions. [2021-11-07 01:10:37,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:37,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-07 01:10:37,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:37,644 INFO L225 Difference]: With dead ends: 828 [2021-11-07 01:10:37,644 INFO L226 Difference]: Without dead ends: 828 [2021-11-07 01:10:37,645 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:37,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2021-11-07 01:10:37,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 728. [2021-11-07 01:10:37,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 685 states have (on average 1.513868613138686) internal successors, (1037), 727 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:37,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 1037 transitions. [2021-11-07 01:10:37,664 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 1037 transitions. Word has length 9 [2021-11-07 01:10:37,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:37,664 INFO L470 AbstractCegarLoop]: Abstraction has 728 states and 1037 transitions. [2021-11-07 01:10:37,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:37,665 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1037 transitions. [2021-11-07 01:10:37,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 01:10:37,666 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:37,666 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:37,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 01:10:37,667 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:37,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:37,667 INFO L85 PathProgramCache]: Analyzing trace with hash -420517100, now seen corresponding path program 1 times [2021-11-07 01:10:37,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:37,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877567114] [2021-11-07 01:10:37,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:37,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:37,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:37,692 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:37,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877567114] [2021-11-07 01:10:37,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877567114] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:37,693 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:37,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 01:10:37,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703255763] [2021-11-07 01:10:37,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:37,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:37,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:37,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:37,695 INFO L87 Difference]: Start difference. First operand 728 states and 1037 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:37,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:37,997 INFO L93 Difference]: Finished difference Result 731 states and 1039 transitions. [2021-11-07 01:10:37,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:37,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-07 01:10:37,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:38,002 INFO L225 Difference]: With dead ends: 731 [2021-11-07 01:10:38,002 INFO L226 Difference]: Without dead ends: 728 [2021-11-07 01:10:38,002 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:38,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2021-11-07 01:10:38,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 728. [2021-11-07 01:10:38,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 685 states have (on average 1.5124087591240876) internal successors, (1036), 727 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 1036 transitions. [2021-11-07 01:10:38,066 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 1036 transitions. Word has length 10 [2021-11-07 01:10:38,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:38,069 INFO L470 AbstractCegarLoop]: Abstraction has 728 states and 1036 transitions. [2021-11-07 01:10:38,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:38,069 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1036 transitions. [2021-11-07 01:10:38,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 01:10:38,071 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:38,071 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:38,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 01:10:38,071 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:38,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:38,072 INFO L85 PathProgramCache]: Analyzing trace with hash 799963787, now seen corresponding path program 1 times [2021-11-07 01:10:38,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:38,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620670671] [2021-11-07 01:10:38,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:38,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:38,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:38,127 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:38,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620670671] [2021-11-07 01:10:38,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620670671] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:38,128 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:38,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:38,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631495727] [2021-11-07 01:10:38,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:38,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:38,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:38,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:38,131 INFO L87 Difference]: Start difference. First operand 728 states and 1036 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:38,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:38,524 INFO L93 Difference]: Finished difference Result 1016 states and 1420 transitions. [2021-11-07 01:10:38,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:38,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-07 01:10:38,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:38,531 INFO L225 Difference]: With dead ends: 1016 [2021-11-07 01:10:38,531 INFO L226 Difference]: Without dead ends: 1016 [2021-11-07 01:10:38,531 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:38,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2021-11-07 01:10:38,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 870. [2021-11-07 01:10:38,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 827 states have (on average 1.5114873035066505) internal successors, (1250), 869 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:38,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1250 transitions. [2021-11-07 01:10:38,554 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1250 transitions. Word has length 12 [2021-11-07 01:10:38,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:38,554 INFO L470 AbstractCegarLoop]: Abstraction has 870 states and 1250 transitions. [2021-11-07 01:10:38,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:38,555 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1250 transitions. [2021-11-07 01:10:38,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 01:10:38,556 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:38,556 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:38,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 01:10:38,557 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:38,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:38,557 INFO L85 PathProgramCache]: Analyzing trace with hash -978581787, now seen corresponding path program 1 times [2021-11-07 01:10:38,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:38,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805201356] [2021-11-07 01:10:38,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:38,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:38,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:38,600 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:38,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805201356] [2021-11-07 01:10:38,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805201356] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:38,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:38,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:38,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841484563] [2021-11-07 01:10:38,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:10:38,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:38,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:10:38,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:10:38,602 INFO L87 Difference]: Start difference. First operand 870 states and 1250 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:38,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:38,905 INFO L93 Difference]: Finished difference Result 754 states and 1060 transitions. [2021-11-07 01:10:38,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:10:38,906 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-07 01:10:38,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:38,910 INFO L225 Difference]: With dead ends: 754 [2021-11-07 01:10:38,910 INFO L226 Difference]: Without dead ends: 754 [2021-11-07 01:10:38,911 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:10:38,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2021-11-07 01:10:38,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 696. [2021-11-07 01:10:38,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 675 states have (on average 1.442962962962963) internal successors, (974), 695 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:38,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 974 transitions. [2021-11-07 01:10:38,927 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 974 transitions. Word has length 13 [2021-11-07 01:10:38,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:38,927 INFO L470 AbstractCegarLoop]: Abstraction has 696 states and 974 transitions. [2021-11-07 01:10:38,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:38,927 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 974 transitions. [2021-11-07 01:10:38,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-07 01:10:38,928 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:38,928 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:38,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 01:10:38,929 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:38,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:38,929 INFO L85 PathProgramCache]: Analyzing trace with hash -955846767, now seen corresponding path program 1 times [2021-11-07 01:10:38,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:38,930 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621253062] [2021-11-07 01:10:38,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:38,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:38,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:38,959 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:38,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621253062] [2021-11-07 01:10:38,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621253062] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:38,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:38,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:38,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289968209] [2021-11-07 01:10:38,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:38,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:38,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:38,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:38,961 INFO L87 Difference]: Start difference. First operand 696 states and 974 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:39,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:39,146 INFO L93 Difference]: Finished difference Result 678 states and 956 transitions. [2021-11-07 01:10:39,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:39,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-07 01:10:39,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:39,151 INFO L225 Difference]: With dead ends: 678 [2021-11-07 01:10:39,151 INFO L226 Difference]: Without dead ends: 678 [2021-11-07 01:10:39,155 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:39,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2021-11-07 01:10:39,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 678. [2021-11-07 01:10:39,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 666 states have (on average 1.4354354354354355) internal successors, (956), 677 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:39,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 956 transitions. [2021-11-07 01:10:39,170 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 956 transitions. Word has length 14 [2021-11-07 01:10:39,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:39,171 INFO L470 AbstractCegarLoop]: Abstraction has 678 states and 956 transitions. [2021-11-07 01:10:39,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:39,171 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 956 transitions. [2021-11-07 01:10:39,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:10:39,173 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:39,173 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:39,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 01:10:39,174 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:39,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:39,175 INFO L85 PathProgramCache]: Analyzing trace with hash -72477361, now seen corresponding path program 1 times [2021-11-07 01:10:39,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:39,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510877327] [2021-11-07 01:10:39,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:39,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:39,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:39,240 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:39,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510877327] [2021-11-07 01:10:39,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510877327] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:39,240 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:39,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:39,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781095023] [2021-11-07 01:10:39,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:39,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:39,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:39,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:39,242 INFO L87 Difference]: Start difference. First operand 678 states and 956 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:39,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:39,415 INFO L93 Difference]: Finished difference Result 666 states and 935 transitions. [2021-11-07 01:10:39,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:39,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 01:10:39,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:39,419 INFO L225 Difference]: With dead ends: 666 [2021-11-07 01:10:39,419 INFO L226 Difference]: Without dead ends: 666 [2021-11-07 01:10:39,420 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:39,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2021-11-07 01:10:39,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 666. [2021-11-07 01:10:39,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 657 states have (on average 1.4231354642313547) internal successors, (935), 665 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:39,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 935 transitions. [2021-11-07 01:10:39,435 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 935 transitions. Word has length 19 [2021-11-07 01:10:39,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:39,435 INFO L470 AbstractCegarLoop]: Abstraction has 666 states and 935 transitions. [2021-11-07 01:10:39,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:39,436 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 935 transitions. [2021-11-07 01:10:39,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:10:39,437 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:39,437 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:39,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 01:10:39,438 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:39,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:39,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1499767541, now seen corresponding path program 1 times [2021-11-07 01:10:39,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:39,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196160359] [2021-11-07 01:10:39,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:39,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:39,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:39,512 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:39,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196160359] [2021-11-07 01:10:39,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196160359] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:39,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:39,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:39,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336684856] [2021-11-07 01:10:39,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:39,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:39,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:39,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:39,514 INFO L87 Difference]: Start difference. First operand 666 states and 935 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:39,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:39,543 INFO L93 Difference]: Finished difference Result 687 states and 954 transitions. [2021-11-07 01:10:39,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:39,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 01:10:39,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:39,548 INFO L225 Difference]: With dead ends: 687 [2021-11-07 01:10:39,548 INFO L226 Difference]: Without dead ends: 687 [2021-11-07 01:10:39,549 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:39,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2021-11-07 01:10:39,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 666. [2021-11-07 01:10:39,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 657 states have (on average 1.4185692541856925) internal successors, (932), 665 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:39,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 932 transitions. [2021-11-07 01:10:39,564 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 932 transitions. Word has length 19 [2021-11-07 01:10:39,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:39,565 INFO L470 AbstractCegarLoop]: Abstraction has 666 states and 932 transitions. [2021-11-07 01:10:39,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:39,565 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 932 transitions. [2021-11-07 01:10:39,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-07 01:10:39,567 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:39,567 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:39,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-07 01:10:39,568 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:39,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:39,569 INFO L85 PathProgramCache]: Analyzing trace with hash -869704822, now seen corresponding path program 1 times [2021-11-07 01:10:39,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:39,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293377414] [2021-11-07 01:10:39,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:39,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:39,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:39,612 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:39,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293377414] [2021-11-07 01:10:39,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293377414] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:39,618 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:39,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:39,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405533672] [2021-11-07 01:10:39,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:39,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:39,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:39,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:39,620 INFO L87 Difference]: Start difference. First operand 666 states and 932 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:39,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:39,811 INFO L93 Difference]: Finished difference Result 831 states and 1163 transitions. [2021-11-07 01:10:39,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:39,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-11-07 01:10:39,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:39,816 INFO L225 Difference]: With dead ends: 831 [2021-11-07 01:10:39,817 INFO L226 Difference]: Without dead ends: 831 [2021-11-07 01:10:39,817 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:39,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2021-11-07 01:10:39,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 701. [2021-11-07 01:10:39,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 692 states have (on average 1.403179190751445) internal successors, (971), 700 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:39,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 971 transitions. [2021-11-07 01:10:39,835 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 971 transitions. Word has length 21 [2021-11-07 01:10:39,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:39,835 INFO L470 AbstractCegarLoop]: Abstraction has 701 states and 971 transitions. [2021-11-07 01:10:39,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:39,836 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 971 transitions. [2021-11-07 01:10:39,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:10:39,837 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:39,837 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:39,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-07 01:10:39,838 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:39,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:39,838 INFO L85 PathProgramCache]: Analyzing trace with hash -813682924, now seen corresponding path program 1 times [2021-11-07 01:10:39,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:39,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237339468] [2021-11-07 01:10:39,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:39,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:39,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:39,873 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:39,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237339468] [2021-11-07 01:10:39,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237339468] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:39,873 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:39,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:39,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676857880] [2021-11-07 01:10:39,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:39,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:39,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:39,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:39,875 INFO L87 Difference]: Start difference. First operand 701 states and 971 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:40,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:40,041 INFO L93 Difference]: Finished difference Result 730 states and 1006 transitions. [2021-11-07 01:10:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:40,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-07 01:10:40,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:40,046 INFO L225 Difference]: With dead ends: 730 [2021-11-07 01:10:40,046 INFO L226 Difference]: Without dead ends: 730 [2021-11-07 01:10:40,047 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:40,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2021-11-07 01:10:40,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 727. [2021-11-07 01:10:40,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 718 states have (on average 1.3983286908077994) internal successors, (1004), 726 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:40,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1004 transitions. [2021-11-07 01:10:40,063 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1004 transitions. Word has length 22 [2021-11-07 01:10:40,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:40,063 INFO L470 AbstractCegarLoop]: Abstraction has 727 states and 1004 transitions. [2021-11-07 01:10:40,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:40,064 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1004 transitions. [2021-11-07 01:10:40,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:10:40,065 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:40,066 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:40,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-07 01:10:40,066 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:40,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:40,067 INFO L85 PathProgramCache]: Analyzing trace with hash -2098008752, now seen corresponding path program 1 times [2021-11-07 01:10:40,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:40,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810469893] [2021-11-07 01:10:40,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:40,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:40,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:40,097 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:40,098 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810469893] [2021-11-07 01:10:40,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810469893] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:40,098 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:40,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:40,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549777645] [2021-11-07 01:10:40,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:40,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:40,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:40,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:40,100 INFO L87 Difference]: Start difference. First operand 727 states and 1004 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:40,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:40,121 INFO L93 Difference]: Finished difference Result 695 states and 947 transitions. [2021-11-07 01:10:40,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:40,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-07 01:10:40,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:40,125 INFO L225 Difference]: With dead ends: 695 [2021-11-07 01:10:40,125 INFO L226 Difference]: Without dead ends: 695 [2021-11-07 01:10:40,126 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:40,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2021-11-07 01:10:40,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 695. [2021-11-07 01:10:40,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 687 states have (on average 1.3784570596797672) internal successors, (947), 694 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:40,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 947 transitions. [2021-11-07 01:10:40,141 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 947 transitions. Word has length 22 [2021-11-07 01:10:40,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:40,141 INFO L470 AbstractCegarLoop]: Abstraction has 695 states and 947 transitions. [2021-11-07 01:10:40,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:40,141 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 947 transitions. [2021-11-07 01:10:40,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:10:40,143 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:40,144 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:40,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-07 01:10:40,144 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:40,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:40,145 INFO L85 PathProgramCache]: Analyzing trace with hash -130838756, now seen corresponding path program 1 times [2021-11-07 01:10:40,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:40,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440296473] [2021-11-07 01:10:40,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:40,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:40,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:40,180 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:40,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440296473] [2021-11-07 01:10:40,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440296473] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:40,180 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:40,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 01:10:40,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845752579] [2021-11-07 01:10:40,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:10:40,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:40,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:10:40,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:10:40,182 INFO L87 Difference]: Start difference. First operand 695 states and 947 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:40,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:40,220 INFO L93 Difference]: Finished difference Result 638 states and 855 transitions. [2021-11-07 01:10:40,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:10:40,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-07 01:10:40,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:40,224 INFO L225 Difference]: With dead ends: 638 [2021-11-07 01:10:40,224 INFO L226 Difference]: Without dead ends: 638 [2021-11-07 01:10:40,225 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:10:40,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2021-11-07 01:10:40,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 588. [2021-11-07 01:10:40,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 582 states have (on average 1.3642611683848798) internal successors, (794), 587 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:40,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 794 transitions. [2021-11-07 01:10:40,237 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 794 transitions. Word has length 22 [2021-11-07 01:10:40,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:40,238 INFO L470 AbstractCegarLoop]: Abstraction has 588 states and 794 transitions. [2021-11-07 01:10:40,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 794 transitions. [2021-11-07 01:10:40,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:10:40,240 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:40,240 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:40,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-07 01:10:40,240 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:40,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:40,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1173821042, now seen corresponding path program 1 times [2021-11-07 01:10:40,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:40,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742096053] [2021-11-07 01:10:40,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:40,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:40,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:40,272 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:40,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742096053] [2021-11-07 01:10:40,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742096053] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:40,273 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:40,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:40,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214919259] [2021-11-07 01:10:40,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:10:40,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:40,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:10:40,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:10:40,275 INFO L87 Difference]: Start difference. First operand 588 states and 794 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:40,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:40,499 INFO L93 Difference]: Finished difference Result 641 states and 857 transitions. [2021-11-07 01:10:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:10:40,500 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-07 01:10:40,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:40,503 INFO L225 Difference]: With dead ends: 641 [2021-11-07 01:10:40,504 INFO L226 Difference]: Without dead ends: 641 [2021-11-07 01:10:40,504 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:10:40,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2021-11-07 01:10:40,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 588. [2021-11-07 01:10:40,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 582 states have (on average 1.3608247422680413) internal successors, (792), 587 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:40,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 792 transitions. [2021-11-07 01:10:40,517 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 792 transitions. Word has length 22 [2021-11-07 01:10:40,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:40,518 INFO L470 AbstractCegarLoop]: Abstraction has 588 states and 792 transitions. [2021-11-07 01:10:40,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:40,518 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 792 transitions. [2021-11-07 01:10:40,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:10:40,520 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:40,520 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:40,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-07 01:10:40,520 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:40,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:40,521 INFO L85 PathProgramCache]: Analyzing trace with hash 367677154, now seen corresponding path program 1 times [2021-11-07 01:10:40,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:40,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240067025] [2021-11-07 01:10:40,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:40,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:40,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:40,551 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:40,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240067025] [2021-11-07 01:10:40,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240067025] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:40,552 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:40,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:40,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264140999] [2021-11-07 01:10:40,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:10:40,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:40,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:10:40,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:10:40,554 INFO L87 Difference]: Start difference. First operand 588 states and 792 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:40,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:40,813 INFO L93 Difference]: Finished difference Result 588 states and 783 transitions. [2021-11-07 01:10:40,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:10:40,814 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-07 01:10:40,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:40,817 INFO L225 Difference]: With dead ends: 588 [2021-11-07 01:10:40,817 INFO L226 Difference]: Without dead ends: 588 [2021-11-07 01:10:40,818 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:10:40,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2021-11-07 01:10:40,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 588. [2021-11-07 01:10:40,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 582 states have (on average 1.3453608247422681) internal successors, (783), 587 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:40,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 783 transitions. [2021-11-07 01:10:40,831 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 783 transitions. Word has length 22 [2021-11-07 01:10:40,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:40,832 INFO L470 AbstractCegarLoop]: Abstraction has 588 states and 783 transitions. [2021-11-07 01:10:40,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:40,832 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 783 transitions. [2021-11-07 01:10:40,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 01:10:40,834 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:40,834 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:40,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-07 01:10:40,835 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:40,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:40,835 INFO L85 PathProgramCache]: Analyzing trace with hash 562845880, now seen corresponding path program 1 times [2021-11-07 01:10:40,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:40,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572886754] [2021-11-07 01:10:40,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:40,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:40,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:40,876 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:40,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572886754] [2021-11-07 01:10:40,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572886754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:40,877 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:40,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:40,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188998770] [2021-11-07 01:10:40,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:10:40,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:40,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:10:40,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:10:40,879 INFO L87 Difference]: Start difference. First operand 588 states and 783 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:41,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:41,100 INFO L93 Difference]: Finished difference Result 591 states and 784 transitions. [2021-11-07 01:10:41,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:10:41,101 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-07 01:10:41,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:41,104 INFO L225 Difference]: With dead ends: 591 [2021-11-07 01:10:41,105 INFO L226 Difference]: Without dead ends: 591 [2021-11-07 01:10:41,105 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:10:41,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2021-11-07 01:10:41,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 588. [2021-11-07 01:10:41,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 582 states have (on average 1.3436426116838487) internal successors, (782), 587 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:41,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 782 transitions. [2021-11-07 01:10:41,119 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 782 transitions. Word has length 23 [2021-11-07 01:10:41,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:41,120 INFO L470 AbstractCegarLoop]: Abstraction has 588 states and 782 transitions. [2021-11-07 01:10:41,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:41,120 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 782 transitions. [2021-11-07 01:10:41,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 01:10:41,122 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:41,122 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:41,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-07 01:10:41,123 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:41,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:41,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1744018661, now seen corresponding path program 1 times [2021-11-07 01:10:41,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:41,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424349287] [2021-11-07 01:10:41,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:41,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:41,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:41,158 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:41,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424349287] [2021-11-07 01:10:41,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424349287] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:41,159 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:41,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:41,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838116628] [2021-11-07 01:10:41,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:10:41,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:41,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:10:41,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:10:41,161 INFO L87 Difference]: Start difference. First operand 588 states and 782 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:41,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:41,381 INFO L93 Difference]: Finished difference Result 575 states and 760 transitions. [2021-11-07 01:10:41,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:10:41,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-07 01:10:41,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:41,385 INFO L225 Difference]: With dead ends: 575 [2021-11-07 01:10:41,385 INFO L226 Difference]: Without dead ends: 575 [2021-11-07 01:10:41,386 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:10:41,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2021-11-07 01:10:41,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2021-11-07 01:10:41,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 569 states have (on average 1.3356766256590509) internal successors, (760), 574 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:41,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 760 transitions. [2021-11-07 01:10:41,399 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 760 transitions. Word has length 23 [2021-11-07 01:10:41,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:41,399 INFO L470 AbstractCegarLoop]: Abstraction has 575 states and 760 transitions. [2021-11-07 01:10:41,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:41,400 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 760 transitions. [2021-11-07 01:10:41,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 01:10:41,401 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:41,402 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:41,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-07 01:10:41,402 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:41,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:41,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1355107055, now seen corresponding path program 1 times [2021-11-07 01:10:41,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:41,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920331649] [2021-11-07 01:10:41,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:41,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:41,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:41,439 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:41,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920331649] [2021-11-07 01:10:41,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920331649] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:41,440 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:41,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:41,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929680478] [2021-11-07 01:10:41,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:41,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:41,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:41,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:41,442 INFO L87 Difference]: Start difference. First operand 575 states and 760 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:41,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:41,580 INFO L93 Difference]: Finished difference Result 595 states and 779 transitions. [2021-11-07 01:10:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:41,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-07 01:10:41,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:41,584 INFO L225 Difference]: With dead ends: 595 [2021-11-07 01:10:41,585 INFO L226 Difference]: Without dead ends: 595 [2021-11-07 01:10:41,585 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:41,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2021-11-07 01:10:41,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 583. [2021-11-07 01:10:41,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 577 states have (on average 1.3310225303292895) internal successors, (768), 582 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:41,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 768 transitions. [2021-11-07 01:10:41,599 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 768 transitions. Word has length 23 [2021-11-07 01:10:41,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:41,599 INFO L470 AbstractCegarLoop]: Abstraction has 583 states and 768 transitions. [2021-11-07 01:10:41,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:41,599 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 768 transitions. [2021-11-07 01:10:41,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:10:41,601 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:41,601 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:41,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-07 01:10:41,602 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:41,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:41,602 INFO L85 PathProgramCache]: Analyzing trace with hash -253524125, now seen corresponding path program 1 times [2021-11-07 01:10:41,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:41,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431861932] [2021-11-07 01:10:41,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:41,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:41,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:41,643 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:41,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431861932] [2021-11-07 01:10:41,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431861932] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:41,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:41,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:41,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432351157] [2021-11-07 01:10:41,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:10:41,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:41,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:10:41,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:10:41,646 INFO L87 Difference]: Start difference. First operand 583 states and 768 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:41,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:41,835 INFO L93 Difference]: Finished difference Result 586 states and 769 transitions. [2021-11-07 01:10:41,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:10:41,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:10:41,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:41,839 INFO L225 Difference]: With dead ends: 586 [2021-11-07 01:10:41,839 INFO L226 Difference]: Without dead ends: 586 [2021-11-07 01:10:41,839 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:10:41,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2021-11-07 01:10:41,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 583. [2021-11-07 01:10:41,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 577 states have (on average 1.3292894280762566) internal successors, (767), 582 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:41,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 767 transitions. [2021-11-07 01:10:41,860 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 767 transitions. Word has length 24 [2021-11-07 01:10:41,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:41,861 INFO L470 AbstractCegarLoop]: Abstraction has 583 states and 767 transitions. [2021-11-07 01:10:41,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:41,861 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 767 transitions. [2021-11-07 01:10:41,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:10:41,863 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:41,863 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:41,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-07 01:10:41,863 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:41,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:41,864 INFO L85 PathProgramCache]: Analyzing trace with hash -924129591, now seen corresponding path program 1 times [2021-11-07 01:10:41,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:41,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510210788] [2021-11-07 01:10:41,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:41,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:41,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:41,930 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:41,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510210788] [2021-11-07 01:10:41,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510210788] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:41,931 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:41,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 01:10:41,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361037542] [2021-11-07 01:10:41,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:10:41,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:41,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:10:41,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:10:41,932 INFO L87 Difference]: Start difference. First operand 583 states and 767 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:41,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:41,993 INFO L93 Difference]: Finished difference Result 595 states and 778 transitions. [2021-11-07 01:10:41,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:10:41,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:10:41,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:41,997 INFO L225 Difference]: With dead ends: 595 [2021-11-07 01:10:41,997 INFO L226 Difference]: Without dead ends: 594 [2021-11-07 01:10:41,999 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:10:42,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2021-11-07 01:10:42,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 589. [2021-11-07 01:10:42,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 583 states have (on average 1.3259005145797598) internal successors, (773), 588 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:42,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 773 transitions. [2021-11-07 01:10:42,012 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 773 transitions. Word has length 24 [2021-11-07 01:10:42,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:42,012 INFO L470 AbstractCegarLoop]: Abstraction has 589 states and 773 transitions. [2021-11-07 01:10:42,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:42,012 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 773 transitions. [2021-11-07 01:10:42,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:10:42,014 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:42,014 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:42,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-07 01:10:42,015 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:42,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:42,015 INFO L85 PathProgramCache]: Analyzing trace with hash -924141507, now seen corresponding path program 1 times [2021-11-07 01:10:42,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:42,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217970688] [2021-11-07 01:10:42,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:42,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:42,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:42,058 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:42,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217970688] [2021-11-07 01:10:42,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217970688] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:42,058 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:42,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:42,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770587121] [2021-11-07 01:10:42,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:10:42,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:42,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:10:42,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:10:42,060 INFO L87 Difference]: Start difference. First operand 589 states and 773 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:42,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:42,247 INFO L93 Difference]: Finished difference Result 600 states and 782 transitions. [2021-11-07 01:10:42,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:10:42,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:10:42,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:42,251 INFO L225 Difference]: With dead ends: 600 [2021-11-07 01:10:42,251 INFO L226 Difference]: Without dead ends: 583 [2021-11-07 01:10:42,251 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:10:42,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2021-11-07 01:10:42,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 577. [2021-11-07 01:10:42,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 571 states have (on average 1.3327495621716288) internal successors, (761), 576 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:42,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 761 transitions. [2021-11-07 01:10:42,262 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 761 transitions. Word has length 24 [2021-11-07 01:10:42,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:42,262 INFO L470 AbstractCegarLoop]: Abstraction has 577 states and 761 transitions. [2021-11-07 01:10:42,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:42,262 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 761 transitions. [2021-11-07 01:10:42,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:10:42,263 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:42,264 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:42,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-07 01:10:42,264 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:42,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:42,264 INFO L85 PathProgramCache]: Analyzing trace with hash 377813839, now seen corresponding path program 1 times [2021-11-07 01:10:42,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:42,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056494563] [2021-11-07 01:10:42,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:42,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:42,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:42,367 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:42,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056494563] [2021-11-07 01:10:42,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056494563] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:42,367 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:42,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 01:10:42,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90447935] [2021-11-07 01:10:42,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 01:10:42,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:42,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 01:10:42,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:10:42,368 INFO L87 Difference]: Start difference. First operand 577 states and 761 transitions. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:42,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:42,478 INFO L93 Difference]: Finished difference Result 593 states and 776 transitions. [2021-11-07 01:10:42,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:10:42,479 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-07 01:10:42,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:42,482 INFO L225 Difference]: With dead ends: 593 [2021-11-07 01:10:42,482 INFO L226 Difference]: Without dead ends: 574 [2021-11-07 01:10:42,482 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:10:42,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2021-11-07 01:10:42,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2021-11-07 01:10:42,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 568 states have (on average 1.3151408450704225) internal successors, (747), 573 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:42,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 747 transitions. [2021-11-07 01:10:42,522 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 747 transitions. Word has length 25 [2021-11-07 01:10:42,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:42,522 INFO L470 AbstractCegarLoop]: Abstraction has 574 states and 747 transitions. [2021-11-07 01:10:42,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:42,523 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 747 transitions. [2021-11-07 01:10:42,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:10:42,524 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:42,524 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:42,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-07 01:10:42,524 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:42,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:42,525 INFO L85 PathProgramCache]: Analyzing trace with hash -588711945, now seen corresponding path program 1 times [2021-11-07 01:10:42,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:42,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208489032] [2021-11-07 01:10:42,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:42,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:42,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:42,569 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:42,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208489032] [2021-11-07 01:10:42,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208489032] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:42,569 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:42,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 01:10:42,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182484203] [2021-11-07 01:10:42,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:10:42,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:42,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:10:42,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:10:42,571 INFO L87 Difference]: Start difference. First operand 574 states and 747 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:42,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:42,724 INFO L93 Difference]: Finished difference Result 590 states and 762 transitions. [2021-11-07 01:10:42,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:10:42,725 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-07 01:10:42,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:42,728 INFO L225 Difference]: With dead ends: 590 [2021-11-07 01:10:42,728 INFO L226 Difference]: Without dead ends: 569 [2021-11-07 01:10:42,728 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:10:42,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2021-11-07 01:10:42,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 569. [2021-11-07 01:10:42,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 563 states have (on average 1.300177619893428) internal successors, (732), 568 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:42,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 732 transitions. [2021-11-07 01:10:42,738 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 732 transitions. Word has length 25 [2021-11-07 01:10:42,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:42,738 INFO L470 AbstractCegarLoop]: Abstraction has 569 states and 732 transitions. [2021-11-07 01:10:42,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:42,739 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 732 transitions. [2021-11-07 01:10:42,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:10:42,740 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:42,740 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:42,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-07 01:10:42,740 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:42,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:42,741 INFO L85 PathProgramCache]: Analyzing trace with hash 319484659, now seen corresponding path program 1 times [2021-11-07 01:10:42,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:42,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496355754] [2021-11-07 01:10:42,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:42,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:42,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:42,786 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:42,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496355754] [2021-11-07 01:10:42,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496355754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:42,786 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:42,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 01:10:42,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091862287] [2021-11-07 01:10:42,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:10:42,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:42,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:10:42,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:10:42,788 INFO L87 Difference]: Start difference. First operand 569 states and 732 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:42,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:42,866 INFO L93 Difference]: Finished difference Result 582 states and 744 transitions. [2021-11-07 01:10:42,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:10:42,866 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 01:10:42,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:42,869 INFO L225 Difference]: With dead ends: 582 [2021-11-07 01:10:42,870 INFO L226 Difference]: Without dead ends: 563 [2021-11-07 01:10:42,870 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:10:42,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2021-11-07 01:10:42,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 563. [2021-11-07 01:10:42,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 557 states have (on average 1.2980251346499103) internal successors, (723), 562 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:42,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 723 transitions. [2021-11-07 01:10:42,880 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 723 transitions. Word has length 26 [2021-11-07 01:10:42,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:42,881 INFO L470 AbstractCegarLoop]: Abstraction has 563 states and 723 transitions. [2021-11-07 01:10:42,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:42,881 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 723 transitions. [2021-11-07 01:10:42,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:10:42,882 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:42,882 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:42,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-07 01:10:42,883 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:42,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:42,883 INFO L85 PathProgramCache]: Analyzing trace with hash 38315170, now seen corresponding path program 1 times [2021-11-07 01:10:42,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:42,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291546208] [2021-11-07 01:10:42,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:42,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:42,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:42,983 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:42,983 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291546208] [2021-11-07 01:10:42,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291546208] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:42,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:42,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 01:10:42,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647559692] [2021-11-07 01:10:42,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:10:42,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:42,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:10:42,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:10:42,985 INFO L87 Difference]: Start difference. First operand 563 states and 723 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:43,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:43,072 INFO L93 Difference]: Finished difference Result 572 states and 729 transitions. [2021-11-07 01:10:43,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:10:43,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 01:10:43,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:43,076 INFO L225 Difference]: With dead ends: 572 [2021-11-07 01:10:43,076 INFO L226 Difference]: Without dead ends: 572 [2021-11-07 01:10:43,077 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:10:43,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2021-11-07 01:10:43,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 559. [2021-11-07 01:10:43,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 553 states have (on average 1.2965641952983724) internal successors, (717), 558 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:43,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 717 transitions. [2021-11-07 01:10:43,087 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 717 transitions. Word has length 26 [2021-11-07 01:10:43,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:43,088 INFO L470 AbstractCegarLoop]: Abstraction has 559 states and 717 transitions. [2021-11-07 01:10:43,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:43,088 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 717 transitions. [2021-11-07 01:10:43,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:10:43,089 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:43,089 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:43,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-07 01:10:43,090 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:43,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:43,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1860469072, now seen corresponding path program 1 times [2021-11-07 01:10:43,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:43,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143268748] [2021-11-07 01:10:43,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:43,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:43,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:43,123 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:43,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143268748] [2021-11-07 01:10:43,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143268748] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:43,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:43,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 01:10:43,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537875821] [2021-11-07 01:10:43,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:10:43,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:43,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:10:43,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:10:43,125 INFO L87 Difference]: Start difference. First operand 559 states and 717 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:43,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:43,247 INFO L93 Difference]: Finished difference Result 581 states and 737 transitions. [2021-11-07 01:10:43,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:10:43,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 01:10:43,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:43,250 INFO L225 Difference]: With dead ends: 581 [2021-11-07 01:10:43,251 INFO L226 Difference]: Without dead ends: 555 [2021-11-07 01:10:43,251 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:10:43,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2021-11-07 01:10:43,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 542. [2021-11-07 01:10:43,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 536 states have (on average 1.3022388059701493) internal successors, (698), 541 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:43,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 698 transitions. [2021-11-07 01:10:43,261 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 698 transitions. Word has length 26 [2021-11-07 01:10:43,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:43,261 INFO L470 AbstractCegarLoop]: Abstraction has 542 states and 698 transitions. [2021-11-07 01:10:43,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:43,262 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 698 transitions. [2021-11-07 01:10:43,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 01:10:43,263 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:43,263 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:43,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-07 01:10:43,264 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:43,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:43,264 INFO L85 PathProgramCache]: Analyzing trace with hash 932430537, now seen corresponding path program 1 times [2021-11-07 01:10:43,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:43,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614417182] [2021-11-07 01:10:43,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:43,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:43,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:43,317 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:43,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614417182] [2021-11-07 01:10:43,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614417182] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:43,318 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:43,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 01:10:43,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439835749] [2021-11-07 01:10:43,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:10:43,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:43,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:10:43,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:10:43,320 INFO L87 Difference]: Start difference. First operand 542 states and 698 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:43,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:43,452 INFO L93 Difference]: Finished difference Result 565 states and 719 transitions. [2021-11-07 01:10:43,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:10:43,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-07 01:10:43,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:43,455 INFO L225 Difference]: With dead ends: 565 [2021-11-07 01:10:43,455 INFO L226 Difference]: Without dead ends: 547 [2021-11-07 01:10:43,456 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:10:43,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2021-11-07 01:10:43,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 534. [2021-11-07 01:10:43,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 528 states have (on average 1.3049242424242424) internal successors, (689), 533 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:43,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 689 transitions. [2021-11-07 01:10:43,467 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 689 transitions. Word has length 27 [2021-11-07 01:10:43,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:43,467 INFO L470 AbstractCegarLoop]: Abstraction has 534 states and 689 transitions. [2021-11-07 01:10:43,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:43,468 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 689 transitions. [2021-11-07 01:10:43,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 01:10:43,469 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:43,469 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:43,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-07 01:10:43,470 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:43,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:43,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1719793547, now seen corresponding path program 1 times [2021-11-07 01:10:43,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:43,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147272088] [2021-11-07 01:10:43,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:43,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:43,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:43,512 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:43,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147272088] [2021-11-07 01:10:43,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147272088] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:43,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:43,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 01:10:43,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480699472] [2021-11-07 01:10:43,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:10:43,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:43,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:10:43,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:10:43,514 INFO L87 Difference]: Start difference. First operand 534 states and 689 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:43,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:43,572 INFO L93 Difference]: Finished difference Result 547 states and 701 transitions. [2021-11-07 01:10:43,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:10:43,573 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-07 01:10:43,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:43,576 INFO L225 Difference]: With dead ends: 547 [2021-11-07 01:10:43,576 INFO L226 Difference]: Without dead ends: 532 [2021-11-07 01:10:43,576 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:10:43,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2021-11-07 01:10:43,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 532. [2021-11-07 01:10:43,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 526 states have (on average 1.3041825095057034) internal successors, (686), 531 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:43,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 686 transitions. [2021-11-07 01:10:43,588 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 686 transitions. Word has length 27 [2021-11-07 01:10:43,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:43,588 INFO L470 AbstractCegarLoop]: Abstraction has 532 states and 686 transitions. [2021-11-07 01:10:43,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:43,588 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 686 transitions. [2021-11-07 01:10:43,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 01:10:43,590 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:43,590 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:43,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-07 01:10:43,591 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:43,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:43,591 INFO L85 PathProgramCache]: Analyzing trace with hash 305942732, now seen corresponding path program 1 times [2021-11-07 01:10:43,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:43,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684772302] [2021-11-07 01:10:43,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:43,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:43,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:43,619 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:43,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684772302] [2021-11-07 01:10:43,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684772302] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:43,620 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:43,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 01:10:43,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788268492] [2021-11-07 01:10:43,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:10:43,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:43,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:10:43,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:10:43,622 INFO L87 Difference]: Start difference. First operand 532 states and 686 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:43,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:43,750 INFO L93 Difference]: Finished difference Result 617 states and 785 transitions. [2021-11-07 01:10:43,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:10:43,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-07 01:10:43,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:43,754 INFO L225 Difference]: With dead ends: 617 [2021-11-07 01:10:43,754 INFO L226 Difference]: Without dead ends: 615 [2021-11-07 01:10:43,755 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:10:43,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2021-11-07 01:10:43,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 532. [2021-11-07 01:10:43,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 526 states have (on average 1.3022813688212929) internal successors, (685), 531 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:43,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 685 transitions. [2021-11-07 01:10:43,765 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 685 transitions. Word has length 27 [2021-11-07 01:10:43,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:43,766 INFO L470 AbstractCegarLoop]: Abstraction has 532 states and 685 transitions. [2021-11-07 01:10:43,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:43,766 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 685 transitions. [2021-11-07 01:10:43,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 01:10:43,767 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:43,767 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:43,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-07 01:10:43,768 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:43,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:43,768 INFO L85 PathProgramCache]: Analyzing trace with hash 2073605245, now seen corresponding path program 1 times [2021-11-07 01:10:43,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:43,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873248865] [2021-11-07 01:10:43,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:43,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:43,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:43,803 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:43,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873248865] [2021-11-07 01:10:43,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873248865] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:43,803 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:43,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:43,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098103743] [2021-11-07 01:10:43,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:10:43,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:43,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:10:43,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:10:43,805 INFO L87 Difference]: Start difference. First operand 532 states and 685 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:43,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:43,988 INFO L93 Difference]: Finished difference Result 532 states and 681 transitions. [2021-11-07 01:10:43,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:10:43,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-07 01:10:43,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:43,991 INFO L225 Difference]: With dead ends: 532 [2021-11-07 01:10:43,992 INFO L226 Difference]: Without dead ends: 532 [2021-11-07 01:10:43,992 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:10:43,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2021-11-07 01:10:43,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 532. [2021-11-07 01:10:44,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 526 states have (on average 1.2946768060836502) internal successors, (681), 531 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:44,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 681 transitions. [2021-11-07 01:10:44,002 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 681 transitions. Word has length 27 [2021-11-07 01:10:44,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:44,003 INFO L470 AbstractCegarLoop]: Abstraction has 532 states and 681 transitions. [2021-11-07 01:10:44,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:44,003 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 681 transitions. [2021-11-07 01:10:44,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-07 01:10:44,005 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:44,005 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:44,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-07 01:10:44,005 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:44,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:44,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1501328934, now seen corresponding path program 1 times [2021-11-07 01:10:44,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:44,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694985795] [2021-11-07 01:10:44,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:44,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:44,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:44,045 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:44,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694985795] [2021-11-07 01:10:44,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694985795] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:44,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:44,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 01:10:44,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874391698] [2021-11-07 01:10:44,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:10:44,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:44,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:10:44,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:10:44,047 INFO L87 Difference]: Start difference. First operand 532 states and 681 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:44,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:44,111 INFO L93 Difference]: Finished difference Result 599 states and 751 transitions. [2021-11-07 01:10:44,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:10:44,111 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-07 01:10:44,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:44,115 INFO L225 Difference]: With dead ends: 599 [2021-11-07 01:10:44,115 INFO L226 Difference]: Without dead ends: 599 [2021-11-07 01:10:44,115 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:10:44,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-11-07 01:10:44,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 542. [2021-11-07 01:10:44,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 536 states have (on average 1.294776119402985) internal successors, (694), 541 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:44,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 694 transitions. [2021-11-07 01:10:44,152 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 694 transitions. Word has length 28 [2021-11-07 01:10:44,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:44,153 INFO L470 AbstractCegarLoop]: Abstraction has 542 states and 694 transitions. [2021-11-07 01:10:44,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:44,153 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 694 transitions. [2021-11-07 01:10:44,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-07 01:10:44,154 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:44,154 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:44,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-07 01:10:44,154 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:44,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:44,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1555918340, now seen corresponding path program 1 times [2021-11-07 01:10:44,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:44,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792937609] [2021-11-07 01:10:44,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:44,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:44,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:44,198 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:44,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792937609] [2021-11-07 01:10:44,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792937609] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:44,198 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:44,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 01:10:44,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442578623] [2021-11-07 01:10:44,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:10:44,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:44,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:10:44,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:10:44,200 INFO L87 Difference]: Start difference. First operand 542 states and 694 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:44,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:44,306 INFO L93 Difference]: Finished difference Result 555 states and 706 transitions. [2021-11-07 01:10:44,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:10:44,307 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-07 01:10:44,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:44,310 INFO L225 Difference]: With dead ends: 555 [2021-11-07 01:10:44,310 INFO L226 Difference]: Without dead ends: 536 [2021-11-07 01:10:44,311 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:10:44,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-11-07 01:10:44,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2021-11-07 01:10:44,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 530 states have (on average 1.2924528301886793) internal successors, (685), 535 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:44,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 685 transitions. [2021-11-07 01:10:44,320 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 685 transitions. Word has length 28 [2021-11-07 01:10:44,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:44,320 INFO L470 AbstractCegarLoop]: Abstraction has 536 states and 685 transitions. [2021-11-07 01:10:44,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:44,321 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 685 transitions. [2021-11-07 01:10:44,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-07 01:10:44,322 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:44,322 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:44,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-07 01:10:44,323 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:44,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:44,323 INFO L85 PathProgramCache]: Analyzing trace with hash -500361546, now seen corresponding path program 1 times [2021-11-07 01:10:44,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:44,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126123530] [2021-11-07 01:10:44,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:44,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:44,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:44,387 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:44,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126123530] [2021-11-07 01:10:44,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126123530] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:44,388 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:44,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 01:10:44,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267300459] [2021-11-07 01:10:44,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:10:44,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:44,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:10:44,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:10:44,390 INFO L87 Difference]: Start difference. First operand 536 states and 685 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:44,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:44,539 INFO L93 Difference]: Finished difference Result 559 states and 706 transitions. [2021-11-07 01:10:44,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:10:44,540 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-07 01:10:44,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:44,543 INFO L225 Difference]: With dead ends: 559 [2021-11-07 01:10:44,543 INFO L226 Difference]: Without dead ends: 540 [2021-11-07 01:10:44,543 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:10:44,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2021-11-07 01:10:44,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 527. [2021-11-07 01:10:44,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 521 states have (on average 1.2955854126679462) internal successors, (675), 526 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:44,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 675 transitions. [2021-11-07 01:10:44,553 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 675 transitions. Word has length 28 [2021-11-07 01:10:44,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:44,553 INFO L470 AbstractCegarLoop]: Abstraction has 527 states and 675 transitions. [2021-11-07 01:10:44,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:44,553 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 675 transitions. [2021-11-07 01:10:44,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-07 01:10:44,555 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:44,555 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:44,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-07 01:10:44,555 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:44,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:44,556 INFO L85 PathProgramCache]: Analyzing trace with hash -560965630, now seen corresponding path program 1 times [2021-11-07 01:10:44,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:44,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685624752] [2021-11-07 01:10:44,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:44,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:44,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:44,592 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:44,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685624752] [2021-11-07 01:10:44,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685624752] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:44,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:44,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 01:10:44,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634952884] [2021-11-07 01:10:44,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:10:44,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:44,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:10:44,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:10:44,594 INFO L87 Difference]: Start difference. First operand 527 states and 675 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:44,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:44,765 INFO L93 Difference]: Finished difference Result 561 states and 711 transitions. [2021-11-07 01:10:44,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:10:44,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-07 01:10:44,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:44,769 INFO L225 Difference]: With dead ends: 561 [2021-11-07 01:10:44,769 INFO L226 Difference]: Without dead ends: 561 [2021-11-07 01:10:44,769 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:10:44,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2021-11-07 01:10:44,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 500. [2021-11-07 01:10:44,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 496 states have (on average 1.2883064516129032) internal successors, (639), 499 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:44,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 639 transitions. [2021-11-07 01:10:44,778 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 639 transitions. Word has length 28 [2021-11-07 01:10:44,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:44,779 INFO L470 AbstractCegarLoop]: Abstraction has 500 states and 639 transitions. [2021-11-07 01:10:44,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:44,779 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 639 transitions. [2021-11-07 01:10:44,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 01:10:44,782 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:44,782 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:44,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-07 01:10:44,782 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:44,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:44,785 INFO L85 PathProgramCache]: Analyzing trace with hash 984261047, now seen corresponding path program 1 times [2021-11-07 01:10:44,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:44,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773214744] [2021-11-07 01:10:44,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:44,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:44,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:44,853 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:44,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773214744] [2021-11-07 01:10:44,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773214744] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:44,854 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:44,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-07 01:10:44,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517651403] [2021-11-07 01:10:44,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:10:44,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:44,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:10:44,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:10:44,857 INFO L87 Difference]: Start difference. First operand 500 states and 639 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:45,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:45,126 INFO L93 Difference]: Finished difference Result 586 states and 733 transitions. [2021-11-07 01:10:45,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:10:45,127 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-07 01:10:45,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:45,130 INFO L225 Difference]: With dead ends: 586 [2021-11-07 01:10:45,130 INFO L226 Difference]: Without dead ends: 555 [2021-11-07 01:10:45,130 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:10:45,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2021-11-07 01:10:45,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 500. [2021-11-07 01:10:45,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 496 states have (on average 1.2762096774193548) internal successors, (633), 499 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:45,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 633 transitions. [2021-11-07 01:10:45,141 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 633 transitions. Word has length 29 [2021-11-07 01:10:45,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:45,142 INFO L470 AbstractCegarLoop]: Abstraction has 500 states and 633 transitions. [2021-11-07 01:10:45,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:45,142 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 633 transitions. [2021-11-07 01:10:45,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 01:10:45,143 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:45,144 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:45,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-07 01:10:45,144 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:45,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:45,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1715010805, now seen corresponding path program 1 times [2021-11-07 01:10:45,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:45,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191282214] [2021-11-07 01:10:45,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:45,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:45,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:45,206 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:45,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191282214] [2021-11-07 01:10:45,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191282214] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:45,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:45,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 01:10:45,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772233199] [2021-11-07 01:10:45,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 01:10:45,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:45,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 01:10:45,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:10:45,210 INFO L87 Difference]: Start difference. First operand 500 states and 633 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:45,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:45,453 INFO L93 Difference]: Finished difference Result 581 states and 721 transitions. [2021-11-07 01:10:45,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:10:45,454 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-07 01:10:45,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:45,456 INFO L225 Difference]: With dead ends: 581 [2021-11-07 01:10:45,457 INFO L226 Difference]: Without dead ends: 545 [2021-11-07 01:10:45,457 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:10:45,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2021-11-07 01:10:45,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 503. [2021-11-07 01:10:45,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 499 states have (on average 1.2605210420841684) internal successors, (629), 502 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:45,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 629 transitions. [2021-11-07 01:10:45,466 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 629 transitions. Word has length 29 [2021-11-07 01:10:45,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:45,466 INFO L470 AbstractCegarLoop]: Abstraction has 503 states and 629 transitions. [2021-11-07 01:10:45,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:45,467 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 629 transitions. [2021-11-07 01:10:45,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 01:10:45,468 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:45,468 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:45,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-07 01:10:45,468 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:45,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:45,469 INFO L85 PathProgramCache]: Analyzing trace with hash 626456419, now seen corresponding path program 1 times [2021-11-07 01:10:45,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:45,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569879817] [2021-11-07 01:10:45,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:45,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:45,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:45,510 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:45,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569879817] [2021-11-07 01:10:45,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569879817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:45,511 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:45,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 01:10:45,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849832889] [2021-11-07 01:10:45,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:10:45,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:45,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:10:45,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:10:45,513 INFO L87 Difference]: Start difference. First operand 503 states and 629 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:45,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:45,606 INFO L93 Difference]: Finished difference Result 520 states and 645 transitions. [2021-11-07 01:10:45,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:10:45,606 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-07 01:10:45,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:45,609 INFO L225 Difference]: With dead ends: 520 [2021-11-07 01:10:45,609 INFO L226 Difference]: Without dead ends: 496 [2021-11-07 01:10:45,609 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:10:45,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2021-11-07 01:10:45,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 496. [2021-11-07 01:10:45,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 492 states have (on average 1.2540650406504066) internal successors, (617), 495 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:45,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 617 transitions. [2021-11-07 01:10:45,618 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 617 transitions. Word has length 29 [2021-11-07 01:10:45,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:45,618 INFO L470 AbstractCegarLoop]: Abstraction has 496 states and 617 transitions. [2021-11-07 01:10:45,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:45,618 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 617 transitions. [2021-11-07 01:10:45,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 01:10:45,620 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:45,620 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:45,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-07 01:10:45,620 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:45,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:45,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1857740232, now seen corresponding path program 1 times [2021-11-07 01:10:45,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:45,621 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196098655] [2021-11-07 01:10:45,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:45,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:45,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:45,708 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:45,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196098655] [2021-11-07 01:10:45,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196098655] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:45,709 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:45,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 01:10:45,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263413259] [2021-11-07 01:10:45,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:10:45,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:45,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:10:45,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:10:45,711 INFO L87 Difference]: Start difference. First operand 496 states and 617 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:45,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:45,834 INFO L93 Difference]: Finished difference Result 524 states and 642 transitions. [2021-11-07 01:10:45,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:10:45,835 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-07 01:10:45,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:45,837 INFO L225 Difference]: With dead ends: 524 [2021-11-07 01:10:45,838 INFO L226 Difference]: Without dead ends: 505 [2021-11-07 01:10:45,838 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:10:45,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2021-11-07 01:10:45,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 484. [2021-11-07 01:10:45,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 480 states have (on average 1.25) internal successors, (600), 483 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:45,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 600 transitions. [2021-11-07 01:10:45,847 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 600 transitions. Word has length 29 [2021-11-07 01:10:45,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:45,847 INFO L470 AbstractCegarLoop]: Abstraction has 484 states and 600 transitions. [2021-11-07 01:10:45,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:45,848 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 600 transitions. [2021-11-07 01:10:45,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 01:10:45,849 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:45,849 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:45,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-07 01:10:45,850 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:45,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:45,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1557561648, now seen corresponding path program 1 times [2021-11-07 01:10:45,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:45,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610332620] [2021-11-07 01:10:45,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:45,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:45,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:45,872 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:45,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610332620] [2021-11-07 01:10:45,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610332620] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:45,873 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:45,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:45,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669558069] [2021-11-07 01:10:45,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:45,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:45,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:45,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:45,875 INFO L87 Difference]: Start difference. First operand 484 states and 600 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:45,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:45,920 INFO L93 Difference]: Finished difference Result 343 states and 400 transitions. [2021-11-07 01:10:45,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:45,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-07 01:10:45,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:45,922 INFO L225 Difference]: With dead ends: 343 [2021-11-07 01:10:45,922 INFO L226 Difference]: Without dead ends: 270 [2021-11-07 01:10:45,922 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:45,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2021-11-07 01:10:45,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 248. [2021-11-07 01:10:45,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 244 states have (on average 1.1762295081967213) internal successors, (287), 247 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:45,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 287 transitions. [2021-11-07 01:10:45,927 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 287 transitions. Word has length 29 [2021-11-07 01:10:45,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:45,927 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 287 transitions. [2021-11-07 01:10:45,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:45,928 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 287 transitions. [2021-11-07 01:10:45,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 01:10:45,928 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:45,929 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:45,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-07 01:10:45,929 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:45,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:45,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1035203637, now seen corresponding path program 1 times [2021-11-07 01:10:45,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:45,930 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203094837] [2021-11-07 01:10:45,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:45,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:45,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:45,964 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:45,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203094837] [2021-11-07 01:10:45,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203094837] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:45,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:45,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:45,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105065489] [2021-11-07 01:10:45,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:45,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:45,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:45,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:45,966 INFO L87 Difference]: Start difference. First operand 248 states and 287 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:45,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:45,980 INFO L93 Difference]: Finished difference Result 253 states and 290 transitions. [2021-11-07 01:10:45,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:45,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-07 01:10:45,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:45,982 INFO L225 Difference]: With dead ends: 253 [2021-11-07 01:10:45,982 INFO L226 Difference]: Without dead ends: 253 [2021-11-07 01:10:45,983 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:45,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2021-11-07 01:10:45,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 248. [2021-11-07 01:10:45,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 244 states have (on average 1.1721311475409837) internal successors, (286), 247 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:45,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 286 transitions. [2021-11-07 01:10:45,987 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 286 transitions. Word has length 32 [2021-11-07 01:10:45,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:45,988 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 286 transitions. [2021-11-07 01:10:45,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:45,988 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 286 transitions. [2021-11-07 01:10:45,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:10:45,989 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:45,989 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:45,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-07 01:10:45,990 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:45,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:45,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1077481681, now seen corresponding path program 1 times [2021-11-07 01:10:45,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:45,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627872004] [2021-11-07 01:10:45,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:45,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:46,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:46,026 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:46,026 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627872004] [2021-11-07 01:10:46,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627872004] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:46,027 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:46,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:46,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421599419] [2021-11-07 01:10:46,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:10:46,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:46,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:10:46,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:10:46,028 INFO L87 Difference]: Start difference. First operand 248 states and 286 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:46,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:46,104 INFO L93 Difference]: Finished difference Result 254 states and 291 transitions. [2021-11-07 01:10:46,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:10:46,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-07 01:10:46,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:46,106 INFO L225 Difference]: With dead ends: 254 [2021-11-07 01:10:46,106 INFO L226 Difference]: Without dead ends: 240 [2021-11-07 01:10:46,106 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:10:46,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2021-11-07 01:10:46,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 236. [2021-11-07 01:10:46,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 232 states have (on average 1.1724137931034482) internal successors, (272), 235 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:46,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 272 transitions. [2021-11-07 01:10:46,111 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 272 transitions. Word has length 34 [2021-11-07 01:10:46,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:46,111 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 272 transitions. [2021-11-07 01:10:46,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:46,112 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 272 transitions. [2021-11-07 01:10:46,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:10:46,113 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:46,113 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:46,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-11-07 01:10:46,113 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:46,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:46,114 INFO L85 PathProgramCache]: Analyzing trace with hash 2087882022, now seen corresponding path program 1 times [2021-11-07 01:10:46,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:46,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539998048] [2021-11-07 01:10:46,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:46,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:46,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:46,209 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:46,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539998048] [2021-11-07 01:10:46,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539998048] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:46,209 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:46,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 01:10:46,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529755182] [2021-11-07 01:10:46,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:10:46,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:46,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:10:46,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:10:46,211 INFO L87 Difference]: Start difference. First operand 236 states and 272 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:46,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:46,306 INFO L93 Difference]: Finished difference Result 215 states and 242 transitions. [2021-11-07 01:10:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:10:46,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-07 01:10:46,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:46,307 INFO L225 Difference]: With dead ends: 215 [2021-11-07 01:10:46,307 INFO L226 Difference]: Without dead ends: 212 [2021-11-07 01:10:46,308 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:10:46,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-07 01:10:46,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 198. [2021-11-07 01:10:46,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 195 states have (on average 1.158974358974359) internal successors, (226), 197 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:46,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 226 transitions. [2021-11-07 01:10:46,311 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 226 transitions. Word has length 34 [2021-11-07 01:10:46,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:46,311 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 226 transitions. [2021-11-07 01:10:46,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:46,312 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 226 transitions. [2021-11-07 01:10:46,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:10:46,312 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:46,312 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:46,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-11-07 01:10:46,313 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:46,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:46,313 INFO L85 PathProgramCache]: Analyzing trace with hash 184103724, now seen corresponding path program 1 times [2021-11-07 01:10:46,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:46,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109578608] [2021-11-07 01:10:46,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:46,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:46,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:46,340 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:46,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109578608] [2021-11-07 01:10:46,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109578608] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:46,340 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:46,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:10:46,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389255865] [2021-11-07 01:10:46,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:46,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:46,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:46,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:46,342 INFO L87 Difference]: Start difference. First operand 198 states and 226 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:46,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:46,354 INFO L93 Difference]: Finished difference Result 198 states and 224 transitions. [2021-11-07 01:10:46,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:46,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-07 01:10:46,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:46,355 INFO L225 Difference]: With dead ends: 198 [2021-11-07 01:10:46,355 INFO L226 Difference]: Without dead ends: 198 [2021-11-07 01:10:46,355 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:46,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-07 01:10:46,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-11-07 01:10:46,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 195 states have (on average 1.1487179487179486) internal successors, (224), 197 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:46,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 224 transitions. [2021-11-07 01:10:46,359 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 224 transitions. Word has length 34 [2021-11-07 01:10:46,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:46,360 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 224 transitions. [2021-11-07 01:10:46,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:46,360 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 224 transitions. [2021-11-07 01:10:46,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 01:10:46,361 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:46,361 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:46,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-11-07 01:10:46,361 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:46,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:46,362 INFO L85 PathProgramCache]: Analyzing trace with hash 761977829, now seen corresponding path program 1 times [2021-11-07 01:10:46,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:46,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855957702] [2021-11-07 01:10:46,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:46,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:46,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:46,437 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:46,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855957702] [2021-11-07 01:10:46,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855957702] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:46,438 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:46,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 01:10:46,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200509180] [2021-11-07 01:10:46,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:10:46,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:46,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:10:46,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:10:46,439 INFO L87 Difference]: Start difference. First operand 198 states and 224 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:46,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:46,549 INFO L93 Difference]: Finished difference Result 208 states and 233 transitions. [2021-11-07 01:10:46,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:10:46,549 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-07 01:10:46,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:46,550 INFO L225 Difference]: With dead ends: 208 [2021-11-07 01:10:46,550 INFO L226 Difference]: Without dead ends: 168 [2021-11-07 01:10:46,550 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:10:46,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-11-07 01:10:46,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2021-11-07 01:10:46,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 165 states have (on average 1.1333333333333333) internal successors, (187), 167 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:46,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 187 transitions. [2021-11-07 01:10:46,554 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 187 transitions. Word has length 36 [2021-11-07 01:10:46,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:46,554 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 187 transitions. [2021-11-07 01:10:46,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:46,555 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 187 transitions. [2021-11-07 01:10:46,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 01:10:46,555 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:46,556 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:46,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-07 01:10:46,556 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:46,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:46,557 INFO L85 PathProgramCache]: Analyzing trace with hash -651748818, now seen corresponding path program 1 times [2021-11-07 01:10:46,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:46,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081952700] [2021-11-07 01:10:46,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:46,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:10:46,580 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:10:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:10:46,641 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 01:10:46,641 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:10:46,642 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,644 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,645 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,645 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,647 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,647 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,647 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,647 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,648 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,648 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,648 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,648 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,648 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,649 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,649 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,649 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,649 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,649 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,650 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,650 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,650 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,650 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,650 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,651 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,651 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,651 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,651 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,652 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,652 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,652 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,652 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,652 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,655 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,655 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,655 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,655 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,655 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,656 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,656 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,656 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,656 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,657 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,657 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,657 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,657 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,657 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,658 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,658 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,658 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,658 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,658 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,659 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,659 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,659 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,659 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,659 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,660 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,660 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,660 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,660 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,661 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,661 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,661 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,661 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,661 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,662 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,662 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,662 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,662 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,662 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,663 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,663 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,663 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,663 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,663 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,664 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,664 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,664 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,664 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,665 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,665 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,665 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,665 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,665 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,666 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,666 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,666 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,666 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,666 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:10:46,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-07 01:10:46,670 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:46,673 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:10:46,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:10:46 BoogieIcfgContainer [2021-11-07 01:10:46,747 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:10:46,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:10:46,748 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:10:46,748 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:10:46,757 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:10:36" (3/4) ... [2021-11-07 01:10:46,760 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 01:10:46,760 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:10:46,761 INFO L168 Benchmark]: Toolchain (without parser) took 16595.46 ms. Allocated memory was 92.3 MB in the beginning and 352.3 MB in the end (delta: 260.0 MB). Free memory was 62.9 MB in the beginning and 188.1 MB in the end (delta: -125.2 MB). Peak memory consumption was 139.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:46,762 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 92.3 MB. Free memory is still 61.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:10:46,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.44 ms. Allocated memory was 92.3 MB in the beginning and 123.7 MB in the end (delta: 31.5 MB). Free memory was 62.8 MB in the beginning and 95.2 MB in the end (delta: -32.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:46,763 INFO L168 Benchmark]: Boogie Procedure Inliner took 217.96 ms. Allocated memory is still 123.7 MB. Free memory was 95.2 MB in the beginning and 74.8 MB in the end (delta: 20.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:46,763 INFO L168 Benchmark]: Boogie Preprocessor took 179.07 ms. Allocated memory is still 123.7 MB. Free memory was 74.8 MB in the beginning and 62.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:46,764 INFO L168 Benchmark]: RCFGBuilder took 4872.13 ms. Allocated memory was 123.7 MB in the beginning and 247.5 MB in the end (delta: 123.7 MB). Free memory was 62.3 MB in the beginning and 117.8 MB in the end (delta: -55.5 MB). Peak memory consumption was 81.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:46,768 INFO L168 Benchmark]: TraceAbstraction took 10559.88 ms. Allocated memory was 247.5 MB in the beginning and 352.3 MB in the end (delta: 104.9 MB). Free memory was 117.8 MB in the beginning and 189.1 MB in the end (delta: -71.3 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:46,769 INFO L168 Benchmark]: Witness Printer took 12.40 ms. Allocated memory is still 352.3 MB. Free memory was 189.1 MB in the beginning and 188.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:10:46,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 92.3 MB. Free memory is still 61.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 747.44 ms. Allocated memory was 92.3 MB in the beginning and 123.7 MB in the end (delta: 31.5 MB). Free memory was 62.8 MB in the beginning and 95.2 MB in the end (delta: -32.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 217.96 ms. Allocated memory is still 123.7 MB. Free memory was 95.2 MB in the beginning and 74.8 MB in the end (delta: 20.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 179.07 ms. Allocated memory is still 123.7 MB. Free memory was 74.8 MB in the beginning and 62.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4872.13 ms. Allocated memory was 123.7 MB in the beginning and 247.5 MB in the end (delta: 123.7 MB). Free memory was 62.3 MB in the beginning and 117.8 MB in the end (delta: -55.5 MB). Peak memory consumption was 81.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10559.88 ms. Allocated memory was 247.5 MB in the beginning and 352.3 MB in the end (delta: 104.9 MB). Free memory was 117.8 MB in the beginning and 189.1 MB in the end (delta: -71.3 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. * Witness Printer took 12.40 ms. Allocated memory is still 352.3 MB. Free memory was 189.1 MB in the beginning and 188.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 59. Possible FailurePath: [L32] int s ; [L33] int UNLOADED ; [L34] int NP ; [L35] int DC ; [L36] int SKIP1 ; [L37] int SKIP2 ; [L38] int MPR1 ; [L39] int MPR3 ; [L40] int IPC ; [L41] int pended ; [L42] int compFptr ; [L43] int compRegistered ; [L44] int lowerDriverReturn ; [L45] int setEventCalled ; [L46] int customIrp ; [L47] int routine ; [L48] int myStatus ; [L49] int pirp ; [L50] int Executive ; [L51] int Suspended ; [L52] int KernelMode ; [L53] int DeviceUsageTypePaging ; [L1718] int pirp__IoStatus__Status ; [L1719] int d = __VERIFIER_nondet_int() ; [L1720] int status = __VERIFIER_nondet_int() ; [L1721] int irp = __VERIFIER_nondet_int() ; [L1722] int we_should_unload = __VERIFIER_nondet_int() ; [L1723] int irp_choice = __VERIFIER_nondet_int() ; [L1724] int devobj = __VERIFIER_nondet_int() ; [L1725] int __cil_tmp9 ; [L1730] s = 0 [L1731] UNLOADED = 0 [L1732] NP = 0 [L1733] DC = 0 [L1734] SKIP1 = 0 [L1735] SKIP2 = 0 [L1736] MPR1 = 0 [L1737] MPR3 = 0 [L1738] IPC = 0 [L1739] pended = 0 [L1740] compFptr = 0 [L1741] compRegistered = 0 [L1742] lowerDriverReturn = 0 [L1743] setEventCalled = 0 [L1744] customIrp = 0 [L1745] routine = 0 [L1746] myStatus = 0 [L1747] pirp = 0 [L1748] Executive = 0 [L1749] Suspended = 5 [L1750] KernelMode = 0 [L1751] DeviceUsageTypePaging = 1 [L1754] pirp = irp [L67] UNLOADED = 0 [L68] NP = 1 [L69] DC = 2 [L70] SKIP1 = 3 [L71] SKIP2 = 4 [L72] MPR1 = 5 [L73] MPR3 = 6 [L74] IPC = 7 [L75] s = UNLOADED [L76] pended = 0 [L77] compFptr = 0 [L78] compRegistered = 0 [L79] lowerDriverReturn = 0 [L80] setEventCalled = 0 [L81] customIrp = 0 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=0, routine=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1757] COND TRUE status >= 0 [L1758] s = NP [L1759] customIrp = 0 [L1760] setEventCalled = customIrp [L1761] lowerDriverReturn = setEventCalled [L1762] compRegistered = lowerDriverReturn [L1763] compFptr = compRegistered [L1764] pended = compFptr [L1765] pirp__IoStatus__Status = 0 [L1766] myStatus = 0 [L1767] COND TRUE irp_choice == 0 [L1768] pirp__IoStatus__Status = -1073741637 [L1769] myStatus = -1073741637 [L1707] s = NP [L1708] customIrp = 0 [L1709] setEventCalled = customIrp [L1710] lowerDriverReturn = setEventCalled [L1711] compRegistered = lowerDriverReturn [L1712] compFptr = compRegistered [L1713] pended = compFptr VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1775] COND FALSE !(status < 0) [L1779] int tmp_ndt_1; [L1780] tmp_ndt_1 = __VERIFIER_nondet_int() [L1781] COND TRUE tmp_ndt_1 == 2 [L313] int deviceExtension__Active = __VERIFIER_nondet_int() ; [L314] int status ; VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L317] COND FALSE !(deviceExtension__Active == 2) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L320] COND FALSE !(deviceExtension__Active == 3) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L323] COND FALSE !(deviceExtension__Active == 1) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L326] COND TRUE deviceExtension__Active == 7 [L1591] int currentIrpStack__Parameters__DeviceIoControl__IoControlCode = __VERIFIER_nondet_int() ; [L1592] int deviceExtension__TargetDeviceObject = __VERIFIER_nondet_int() ; [L1593] int irpSp__Control ; [L1594] int tmp ; [L1595] int tmp___0 ; [L1596] int __cil_tmp8 ; [L1597] int __cil_tmp9 ; [L1598] int __cil_tmp10 ; [L1599] int __cil_tmp11 ; [L1600] int __cil_tmp12 ; [L1604] __cil_tmp8 = 56 [L1605] __cil_tmp9 = 16384 [L1606] __cil_tmp10 = 131072 [L1607] __cil_tmp11 = 147456 [L1608] __cil_tmp12 = 147512 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1609] COND TRUE currentIrpStack__Parameters__DeviceIoControl__IoControlCode == __cil_tmp12 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1610] COND FALSE !(s != NP) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1615] COND FALSE !(compRegistered != 0) [L1620] compRegistered = 1 [L1621] routine = 0 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1625] irpSp__Control = 224 [L1900] int Irp__PendingReturned = __VERIFIER_nondet_int() ; [L1901] int returnVal2 ; [L1902] int compRetStatus ; [L1903] int lcontext = __VERIFIER_nondet_int() ; [L1904] unsigned long __cil_tmp8 ; VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1907] COND TRUE \read(compRegistered) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1908] COND TRUE routine == 0 [L1569] int Irp__PendingReturned = __VERIFIER_nondet_int() ; [L1570] int Irp__AssociatedIrp__SystemBuffer = __VERIFIER_nondet_int() ; [L1573] COND TRUE \read(Irp__PendingReturned) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1574] COND TRUE pended == 0 [L1575] pended = 1 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1582] COND FALSE !(myStatus >= 0) [L1587] return (myStatus); [L1910] compRetStatus = HPCdrCompletion(DeviceObject, Irp, lcontext) [L1920] __cil_tmp8 = (unsigned long )compRetStatus VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1921] COND FALSE !(__cil_tmp8 == -1073741802) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1928] COND FALSE !(\read(Irp__PendingReturned)) [L1931] int tmp_ndt_4; [L1932] tmp_ndt_4 = __VERIFIER_nondet_int() [L1933] COND TRUE tmp_ndt_4 == 0 [L1944] returnVal2 = 0 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1958] COND TRUE s == NP [L1959] s = IPC [L1960] lowerDriverReturn = returnVal2 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1981] return (returnVal2); [L1626] tmp = IofCallDriver(deviceExtension__TargetDeviceObject, Irp) [L1628] return (tmp); VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L348] status = CdAudioHPCdrDeviceControl(DeviceObject, Irp) [L363] return (status); [L1798] status = CdAudioDeviceControl(devobj, pirp) [L1819] COND FALSE !(\read(we_should_unload)) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1825] COND TRUE pended == 1 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1826] COND FALSE !(s == NP) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1833] COND TRUE pended == 1 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1834] COND FALSE !(s == MPR3) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1841] COND TRUE s != UNLOADED VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1842] COND TRUE status != -1 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1843] COND TRUE s != SKIP2 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1844] COND FALSE !(s != IPC) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1857] COND FALSE !(pended != 1) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1869] COND TRUE status != 259 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L59] reach_error() VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1717]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 780 locations, 104 error locations. Started 1 CEGAR loops. OverallTime: 10.4s, OverallIterations: 47, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 28100 SDtfs, 14025 SDslu, 45114 SDs, 0 SdLazy, 5563 SolverSat, 750 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 244 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=914occurred in iteration=2, InterpolantAutomatonStates: 199, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 46 MinimizatonAttempts, 1081 StatesRemovedByMinimization, 30 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1092 NumberOfCodeBlocks, 1092 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 1010 ConstructedInterpolants, 0 QuantifiedInterpolants, 3052 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 46 InterpolantComputations, 46 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-07 01:10:46,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfc29f03d3be9b41eb07ac14f0f7eac45bf3a60a4a6601e3132f720b72534d53 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:10:49,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:10:49,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:10:49,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:10:49,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:10:49,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:10:49,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:10:49,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:10:49,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:10:49,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:10:49,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:10:49,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:10:49,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:10:49,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:10:49,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:10:49,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:10:49,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:10:49,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:10:49,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:10:49,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:10:49,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:10:49,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:10:49,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:10:49,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:10:49,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:10:49,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:10:49,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:10:49,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:10:49,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:10:49,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:10:49,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:10:49,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:10:49,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:10:49,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:10:49,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:10:49,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:10:49,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:10:49,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:10:49,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:10:49,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:10:49,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:10:49,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-07 01:10:49,601 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:10:49,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:10:49,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:10:49,603 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:10:49,603 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:10:49,603 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:10:49,604 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:10:49,604 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:10:49,604 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:10:49,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:10:49,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:10:49,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:10:49,607 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:10:49,607 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:10:49,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:10:49,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:10:49,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:10:49,608 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:10:49,609 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:10:49,609 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:10:49,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:10:49,609 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:10:49,609 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:10:49,610 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:10:49,610 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:10:49,610 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:10:49,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:10:49,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:10:49,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:10:49,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:10:49,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:10:49,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:10:49,612 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:10:49,612 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:10:49,613 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:10:49,613 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:10:49,613 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfc29f03d3be9b41eb07ac14f0f7eac45bf3a60a4a6601e3132f720b72534d53 [2021-11-07 01:10:49,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:10:50,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:10:50,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:10:50,028 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:10:50,029 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:10:50,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2021-11-07 01:10:50,110 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/data/a52c888b7/3765d3a2616e498fb01e2ec48806da29/FLAG549e53f54 [2021-11-07 01:10:50,751 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:10:50,751 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2021-11-07 01:10:50,787 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/data/a52c888b7/3765d3a2616e498fb01e2ec48806da29/FLAG549e53f54 [2021-11-07 01:10:50,947 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/data/a52c888b7/3765d3a2616e498fb01e2ec48806da29 [2021-11-07 01:10:50,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:10:50,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:10:50,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:10:50,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:10:50,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:10:50,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:10:50" (1/1) ... [2021-11-07 01:10:50,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@436646da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:50, skipping insertion in model container [2021-11-07 01:10:50,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:10:50" (1/1) ... [2021-11-07 01:10:50,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:10:51,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:10:51,213 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c[2074,2087] [2021-11-07 01:10:51,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:10:51,574 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:10:51,610 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c[2074,2087] [2021-11-07 01:10:51,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:10:51,734 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:10:51,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:51 WrapperNode [2021-11-07 01:10:51,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:10:51,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:10:51,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:10:51,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:10:51,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:51" (1/1) ... [2021-11-07 01:10:51,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:51" (1/1) ... [2021-11-07 01:10:51,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:10:51,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:10:51,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:10:51,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:10:52,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:51" (1/1) ... [2021-11-07 01:10:52,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:51" (1/1) ... [2021-11-07 01:10:52,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:51" (1/1) ... [2021-11-07 01:10:52,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:51" (1/1) ... [2021-11-07 01:10:52,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:51" (1/1) ... [2021-11-07 01:10:52,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:51" (1/1) ... [2021-11-07 01:10:52,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:51" (1/1) ... [2021-11-07 01:10:52,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:10:52,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:10:52,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:10:52,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:10:52,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:51" (1/1) ... [2021-11-07 01:10:52,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:10:52,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:10:52,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:10:52,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:10:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:10:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:10:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:10:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:10:52,631 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,646 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,686 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,690 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,696 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,708 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,712 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,732 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,745 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,749 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,752 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,758 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,763 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,768 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,770 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,773 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,777 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,780 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,781 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,784 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,785 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,788 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,790 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,792 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,793 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,796 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,798 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,805 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,807 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,811 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,813 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,816 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,817 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,819 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,845 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,848 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,849 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,852 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,854 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,862 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,864 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,868 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:52,873 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:10:55,096 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1271: assume false; [2021-11-07 01:10:55,096 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1272: assume !false; [2021-11-07 01:10:55,096 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-11-07 01:10:55,097 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-11-07 01:10:55,097 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1230: assume !false; [2021-11-07 01:10:55,097 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##287: assume false; [2021-11-07 01:10:55,097 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume !false; [2021-11-07 01:10:55,097 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1229: assume false; [2021-11-07 01:10:55,098 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1210: assume false; [2021-11-07 01:10:55,098 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1211: assume !false; [2021-11-07 01:10:55,098 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##319: assume false; [2021-11-07 01:10:55,098 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##320: assume !false; [2021-11-07 01:10:55,098 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1160: assume !false; [2021-11-07 01:10:55,098 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1159: assume false; [2021-11-07 01:10:55,099 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##371: assume false; [2021-11-07 01:10:55,099 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##372: assume !false; [2021-11-07 01:10:55,099 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1108: assume false; [2021-11-07 01:10:55,099 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1109: assume !false; [2021-11-07 01:10:55,099 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##346: assume false; [2021-11-07 01:10:55,099 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##347: assume !false; [2021-11-07 01:10:55,099 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##416: assume false; [2021-11-07 01:10:55,100 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##417: assume !false; [2021-11-07 01:10:55,100 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1050: assume !false; [2021-11-07 01:10:55,100 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L305: CdAudioPnp_#res := 0bv32; [2021-11-07 01:10:55,100 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1049: assume false; [2021-11-07 01:10:55,100 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1003: assume false; [2021-11-07 01:10:55,101 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1004: assume !false; [2021-11-07 01:10:55,101 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##461: assume !false; [2021-11-07 01:10:55,101 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##460: assume false; [2021-11-07 01:10:55,101 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##487: assume !false; [2021-11-07 01:10:55,101 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##486: assume false; [2021-11-07 01:10:55,102 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##526: assume !false; [2021-11-07 01:10:55,102 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##525: assume false; [2021-11-07 01:10:55,102 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume !false; [2021-11-07 01:10:55,102 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume false; [2021-11-07 01:10:55,102 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2021-11-07 01:10:55,102 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2021-11-07 01:10:55,103 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2021-11-07 01:10:55,103 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2021-11-07 01:10:55,103 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2021-11-07 01:10:55,103 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2021-11-07 01:10:55,103 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##573: assume !false; [2021-11-07 01:10:55,103 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##572: assume false; [2021-11-07 01:10:55,104 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##685: assume !false; [2021-11-07 01:10:55,104 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##684: assume false; [2021-11-07 01:10:55,104 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##609: assume false; [2021-11-07 01:10:55,104 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##610: assume !false; [2021-11-07 01:10:55,104 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##639: assume !false; [2021-11-07 01:10:55,105 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##638: assume false; [2021-11-07 01:10:55,105 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1612: assume false; [2021-11-07 01:10:55,105 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1613: assume !false; [2021-11-07 01:10:55,105 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##757: assume !false; [2021-11-07 01:10:55,105 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##756: assume false; [2021-11-07 01:10:55,106 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##717: assume !false; [2021-11-07 01:10:55,106 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##716: assume false; [2021-11-07 01:10:55,106 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1506: assume false; [2021-11-07 01:10:55,106 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1507: assume !false; [2021-11-07 01:10:55,106 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1564: assume false; [2021-11-07 01:10:55,106 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1565: assume !false; [2021-11-07 01:10:55,107 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##856: assume false; [2021-11-07 01:10:55,107 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##857: assume !false; [2021-11-07 01:10:55,107 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##801: assume false; [2021-11-07 01:10:55,107 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##802: assume !false; [2021-11-07 01:10:55,107 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##832: assume !false; [2021-11-07 01:10:55,108 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##831: assume false; [2021-11-07 01:10:55,108 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1426: assume false; [2021-11-07 01:10:55,108 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1427: assume !false; [2021-11-07 01:10:55,108 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1476: assume false; [2021-11-07 01:10:55,108 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1477: assume !false; [2021-11-07 01:10:55,109 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1398: assume false; [2021-11-07 01:10:55,109 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1399: assume !false; [2021-11-07 01:10:55,109 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##961: assume !false; [2021-11-07 01:10:55,109 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##960: assume false; [2021-11-07 01:10:55,109 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##909: assume false; [2021-11-07 01:10:55,109 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##910: assume !false; [2021-11-07 01:10:55,110 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1301: assume false; [2021-11-07 01:10:55,110 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1302: assume !false; [2021-11-07 01:10:55,110 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##188: assume !false; [2021-11-07 01:10:55,110 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##187: assume false; [2021-11-07 01:10:55,110 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume false; [2021-11-07 01:10:55,110 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##149: assume !false; [2021-11-07 01:10:55,111 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1354: assume false; [2021-11-07 01:10:55,111 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1355: assume !false; [2021-11-07 01:10:55,111 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1341: assume false; [2021-11-07 01:10:55,111 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1342: assume !false; [2021-11-07 01:10:55,111 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume false; [2021-11-07 01:10:55,111 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume !false; [2021-11-07 01:10:55,138 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:10:55,139 INFO L299 CfgBuilder]: Removed 555 assume(true) statements. [2021-11-07 01:10:55,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:10:55 BoogieIcfgContainer [2021-11-07 01:10:55,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:10:55,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:10:55,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:10:55,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:10:55,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:10:50" (1/3) ... [2021-11-07 01:10:55,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507fd20e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:10:55, skipping insertion in model container [2021-11-07 01:10:55,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:51" (2/3) ... [2021-11-07 01:10:55,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507fd20e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:10:55, skipping insertion in model container [2021-11-07 01:10:55,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:10:55" (3/3) ... [2021-11-07 01:10:55,151 INFO L111 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1.cil-1.c [2021-11-07 01:10:55,157 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:10:55,158 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 104 error locations. [2021-11-07 01:10:55,215 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:10:55,225 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:10:55,225 INFO L340 AbstractCegarLoop]: Starting to check reachability of 104 error locations. [2021-11-07 01:10:55,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 1186 states, 1081 states have (on average 1.633672525439408) internal successors, (1766), 1185 states have internal predecessors, (1766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:55,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 01:10:55,299 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:55,299 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:55,300 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:55,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:55,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1805895402, now seen corresponding path program 1 times [2021-11-07 01:10:55,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:10:55,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1576042593] [2021-11-07 01:10:55,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:55,330 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:10:55,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:10:55,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:10:55,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:10:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:55,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:10:55,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:55,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:55,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:55,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:55,697 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:10:55,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1576042593] [2021-11-07 01:10:55,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1576042593] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:55,712 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:55,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:10:55,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845461116] [2021-11-07 01:10:55,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:55,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:10:55,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:55,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:55,752 INFO L87 Difference]: Start difference. First operand has 1186 states, 1081 states have (on average 1.633672525439408) internal successors, (1766), 1185 states have internal predecessors, (1766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:55,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:55,875 INFO L93 Difference]: Finished difference Result 1191 states and 1663 transitions. [2021-11-07 01:10:55,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:55,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-07 01:10:55,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:55,902 INFO L225 Difference]: With dead ends: 1191 [2021-11-07 01:10:55,902 INFO L226 Difference]: Without dead ends: 1187 [2021-11-07 01:10:55,904 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:55,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2021-11-07 01:10:55,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1184. [2021-11-07 01:10:56,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 1080 states have (on average 1.5342592592592592) internal successors, (1657), 1183 states have internal predecessors, (1657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:56,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1657 transitions. [2021-11-07 01:10:56,019 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1657 transitions. Word has length 7 [2021-11-07 01:10:56,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:56,020 INFO L470 AbstractCegarLoop]: Abstraction has 1184 states and 1657 transitions. [2021-11-07 01:10:56,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:56,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1657 transitions. [2021-11-07 01:10:56,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 01:10:56,020 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:56,020 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:56,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:10:56,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:10:56,232 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:56,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:56,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1702263824, now seen corresponding path program 1 times [2021-11-07 01:10:56,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:10:56,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1185373702] [2021-11-07 01:10:56,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:56,234 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:10:56,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:10:56,239 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:10:56,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:10:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:56,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:10:56,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:56,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:56,468 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:56,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:56,495 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:10:56,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1185373702] [2021-11-07 01:10:56,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1185373702] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:56,496 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:56,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:10:56,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010854356] [2021-11-07 01:10:56,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:10:56,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:10:56,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:10:56,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:10:56,501 INFO L87 Difference]: Start difference. First operand 1184 states and 1657 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:56,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:56,652 INFO L93 Difference]: Finished difference Result 1561 states and 2180 transitions. [2021-11-07 01:10:56,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:10:56,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-07 01:10:56,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:56,662 INFO L225 Difference]: With dead ends: 1561 [2021-11-07 01:10:56,662 INFO L226 Difference]: Without dead ends: 1561 [2021-11-07 01:10:56,664 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:10:56,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1561 states. [2021-11-07 01:10:56,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1561 to 1479. [2021-11-07 01:10:56,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1479 states, 1387 states have (on average 1.532083633741889) internal successors, (2125), 1478 states have internal predecessors, (2125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:56,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 2125 transitions. [2021-11-07 01:10:56,714 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 2125 transitions. Word has length 7 [2021-11-07 01:10:56,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:56,715 INFO L470 AbstractCegarLoop]: Abstraction has 1479 states and 2125 transitions. [2021-11-07 01:10:56,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:56,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 2125 transitions. [2021-11-07 01:10:56,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 01:10:56,717 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:56,717 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:56,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:10:56,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:10:56,934 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:56,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:56,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1238468123, now seen corresponding path program 1 times [2021-11-07 01:10:56,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:10:56,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [437805137] [2021-11-07 01:10:56,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:56,946 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:10:56,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:10:56,949 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:10:56,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:10:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:57,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:10:57,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:57,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:57,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:57,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:57,155 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:10:57,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [437805137] [2021-11-07 01:10:57,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [437805137] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:57,156 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:57,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:10:57,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144104374] [2021-11-07 01:10:57,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:57,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:10:57,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:57,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:57,159 INFO L87 Difference]: Start difference. First operand 1479 states and 2125 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:57,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:57,185 INFO L93 Difference]: Finished difference Result 1478 states and 2124 transitions. [2021-11-07 01:10:57,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:57,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-07 01:10:57,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:57,195 INFO L225 Difference]: With dead ends: 1478 [2021-11-07 01:10:57,195 INFO L226 Difference]: Without dead ends: 1475 [2021-11-07 01:10:57,195 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:57,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2021-11-07 01:10:57,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1475. [2021-11-07 01:10:57,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1384 states have (on average 1.5260115606936415) internal successors, (2112), 1474 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:57,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2112 transitions. [2021-11-07 01:10:57,230 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2112 transitions. Word has length 8 [2021-11-07 01:10:57,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:57,231 INFO L470 AbstractCegarLoop]: Abstraction has 1475 states and 2112 transitions. [2021-11-07 01:10:57,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:57,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2112 transitions. [2021-11-07 01:10:57,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 01:10:57,232 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:57,232 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:57,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:10:57,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:10:57,444 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:57,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:57,444 INFO L85 PathProgramCache]: Analyzing trace with hash -630605601, now seen corresponding path program 1 times [2021-11-07 01:10:57,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:10:57,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481182798] [2021-11-07 01:10:57,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:57,445 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:10:57,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:10:57,446 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:10:57,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:10:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:57,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:10:57,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:57,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:57,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:57,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:57,652 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:10:57,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1481182798] [2021-11-07 01:10:57,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1481182798] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:57,653 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:57,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:10:57,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602565054] [2021-11-07 01:10:57,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:57,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:10:57,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:57,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:57,655 INFO L87 Difference]: Start difference. First operand 1475 states and 2112 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:58,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:58,197 INFO L93 Difference]: Finished difference Result 1478 states and 2114 transitions. [2021-11-07 01:10:58,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:58,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-07 01:10:58,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:58,206 INFO L225 Difference]: With dead ends: 1478 [2021-11-07 01:10:58,206 INFO L226 Difference]: Without dead ends: 1475 [2021-11-07 01:10:58,206 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:58,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2021-11-07 01:10:58,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1475. [2021-11-07 01:10:58,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1384 states have (on average 1.5252890173410405) internal successors, (2111), 1474 states have internal predecessors, (2111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:58,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2111 transitions. [2021-11-07 01:10:58,241 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2111 transitions. Word has length 11 [2021-11-07 01:10:58,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:58,241 INFO L470 AbstractCegarLoop]: Abstraction has 1475 states and 2111 transitions. [2021-11-07 01:10:58,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:58,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2111 transitions. [2021-11-07 01:10:58,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 01:10:58,243 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:58,243 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:58,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:10:58,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:10:58,454 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:58,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:58,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1724813645, now seen corresponding path program 1 times [2021-11-07 01:10:58,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:10:58,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [505134667] [2021-11-07 01:10:58,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:58,456 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:10:58,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:10:58,457 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:10:58,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:10:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:58,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:10:58,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:58,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:58,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:58,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:58,684 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:10:58,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [505134667] [2021-11-07 01:10:58,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [505134667] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:58,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:58,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:10:58,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535069152] [2021-11-07 01:10:58,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:58,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:10:58,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:58,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:58,687 INFO L87 Difference]: Start difference. First operand 1475 states and 2111 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:59,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:59,234 INFO L93 Difference]: Finished difference Result 1680 states and 2399 transitions. [2021-11-07 01:10:59,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:59,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-07 01:10:59,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:59,244 INFO L225 Difference]: With dead ends: 1680 [2021-11-07 01:10:59,244 INFO L226 Difference]: Without dead ends: 1679 [2021-11-07 01:10:59,245 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:59,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1679 states. [2021-11-07 01:10:59,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1679 to 1581. [2021-11-07 01:10:59,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1526 states have (on average 1.5072083879423328) internal successors, (2300), 1580 states have internal predecessors, (2300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:59,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2300 transitions. [2021-11-07 01:10:59,285 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2300 transitions. Word has length 12 [2021-11-07 01:10:59,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:59,285 INFO L470 AbstractCegarLoop]: Abstraction has 1581 states and 2300 transitions. [2021-11-07 01:10:59,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:59,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2300 transitions. [2021-11-07 01:10:59,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-07 01:10:59,289 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:59,289 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:59,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:10:59,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:10:59,500 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:10:59,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:59,501 INFO L85 PathProgramCache]: Analyzing trace with hash 375851837, now seen corresponding path program 1 times [2021-11-07 01:10:59,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:10:59,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718191688] [2021-11-07 01:10:59,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:59,502 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:10:59,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:10:59,504 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:10:59,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:10:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:59,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:10:59,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:59,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:59,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:59,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:59,745 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:10:59,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718191688] [2021-11-07 01:10:59,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718191688] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:59,746 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:59,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:10:59,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818456745] [2021-11-07 01:10:59,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:59,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:10:59,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:59,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:59,750 INFO L87 Difference]: Start difference. First operand 1581 states and 2300 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:59,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:59,809 INFO L93 Difference]: Finished difference Result 1436 states and 2060 transitions. [2021-11-07 01:10:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:59,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-07 01:10:59,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:59,817 INFO L225 Difference]: With dead ends: 1436 [2021-11-07 01:10:59,818 INFO L226 Difference]: Without dead ends: 1436 [2021-11-07 01:10:59,818 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:59,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2021-11-07 01:10:59,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1257. [2021-11-07 01:10:59,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1257 states, 1214 states have (on average 1.4950576606260297) internal successors, (1815), 1256 states have internal predecessors, (1815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:59,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1257 states and 1815 transitions. [2021-11-07 01:10:59,868 INFO L78 Accepts]: Start accepts. Automaton has 1257 states and 1815 transitions. Word has length 14 [2021-11-07 01:10:59,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:59,868 INFO L470 AbstractCegarLoop]: Abstraction has 1257 states and 1815 transitions. [2021-11-07 01:10:59,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:59,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1815 transitions. [2021-11-07 01:10:59,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:10:59,877 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:59,877 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:59,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:00,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:00,089 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:00,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:00,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1788319990, now seen corresponding path program 1 times [2021-11-07 01:11:00,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:00,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [620960203] [2021-11-07 01:11:00,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:00,091 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:00,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:00,092 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:00,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:11:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:00,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:11:00,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:00,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:00,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:00,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:00,482 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:00,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [620960203] [2021-11-07 01:11:00,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [620960203] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:00,482 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:00,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:11:00,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978985526] [2021-11-07 01:11:00,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:11:00,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:00,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:11:00,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:11:00,484 INFO L87 Difference]: Start difference. First operand 1257 states and 1815 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:01,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:01,171 INFO L93 Difference]: Finished difference Result 1336 states and 1874 transitions. [2021-11-07 01:11:01,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:11:01,172 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-07 01:11:01,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:01,179 INFO L225 Difference]: With dead ends: 1336 [2021-11-07 01:11:01,180 INFO L226 Difference]: Without dead ends: 1336 [2021-11-07 01:11:01,180 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:11:01,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2021-11-07 01:11:01,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1227. [2021-11-07 01:11:01,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 1206 states have (on average 1.4469320066334992) internal successors, (1745), 1226 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:01,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1745 transitions. [2021-11-07 01:11:01,212 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1745 transitions. Word has length 16 [2021-11-07 01:11:01,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:01,213 INFO L470 AbstractCegarLoop]: Abstraction has 1227 states and 1745 transitions. [2021-11-07 01:11:01,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:01,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1745 transitions. [2021-11-07 01:11:01,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-07 01:11:01,215 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:01,215 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:01,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:01,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:01,427 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:01,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:01,427 INFO L85 PathProgramCache]: Analyzing trace with hash 2053267823, now seen corresponding path program 1 times [2021-11-07 01:11:01,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:01,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1693751814] [2021-11-07 01:11:01,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:01,428 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:01,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:01,429 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:01,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:11:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:01,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:11:01,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:01,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:01,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:01,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:01,713 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:01,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1693751814] [2021-11-07 01:11:01,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1693751814] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:01,716 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:01,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:11:01,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028014240] [2021-11-07 01:11:01,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:11:01,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:01,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:11:01,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:11:01,718 INFO L87 Difference]: Start difference. First operand 1227 states and 1745 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:02,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:02,061 INFO L93 Difference]: Finished difference Result 1209 states and 1727 transitions. [2021-11-07 01:11:02,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:11:02,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-07 01:11:02,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:02,078 INFO L225 Difference]: With dead ends: 1209 [2021-11-07 01:11:02,078 INFO L226 Difference]: Without dead ends: 1209 [2021-11-07 01:11:02,078 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:11:02,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2021-11-07 01:11:02,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1209. [2021-11-07 01:11:02,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 1197 states have (on average 1.4427736006683376) internal successors, (1727), 1208 states have internal predecessors, (1727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:02,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1727 transitions. [2021-11-07 01:11:02,107 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1727 transitions. Word has length 20 [2021-11-07 01:11:02,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:02,108 INFO L470 AbstractCegarLoop]: Abstraction has 1209 states and 1727 transitions. [2021-11-07 01:11:02,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:02,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1727 transitions. [2021-11-07 01:11:02,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:11:02,111 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:02,111 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:02,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:02,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:02,326 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:02,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:02,327 INFO L85 PathProgramCache]: Analyzing trace with hash 85424501, now seen corresponding path program 1 times [2021-11-07 01:11:02,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:02,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1452149454] [2021-11-07 01:11:02,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:02,328 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:02,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:02,329 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:02,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:11:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:02,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:11:02,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:02,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:02,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:02,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:02,614 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:02,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1452149454] [2021-11-07 01:11:02,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1452149454] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:02,614 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:02,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:11:02,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103190293] [2021-11-07 01:11:02,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:11:02,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:02,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:11:02,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:11:02,616 INFO L87 Difference]: Start difference. First operand 1209 states and 1727 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:02,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:02,647 INFO L93 Difference]: Finished difference Result 1038 states and 1460 transitions. [2021-11-07 01:11:02,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:11:02,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-07 01:11:02,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:02,655 INFO L225 Difference]: With dead ends: 1038 [2021-11-07 01:11:02,656 INFO L226 Difference]: Without dead ends: 1038 [2021-11-07 01:11:02,656 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:11:02,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2021-11-07 01:11:02,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 992. [2021-11-07 01:11:02,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 980 states have (on average 1.4306122448979592) internal successors, (1402), 991 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:02,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1402 transitions. [2021-11-07 01:11:02,678 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1402 transitions. Word has length 25 [2021-11-07 01:11:02,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:02,679 INFO L470 AbstractCegarLoop]: Abstraction has 992 states and 1402 transitions. [2021-11-07 01:11:02,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:02,679 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1402 transitions. [2021-11-07 01:11:02,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:11:02,681 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:02,682 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:02,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:02,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:02,893 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:02,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:02,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1013203817, now seen corresponding path program 1 times [2021-11-07 01:11:02,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:02,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313408701] [2021-11-07 01:11:02,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:02,894 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:02,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:02,895 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:02,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:11:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:03,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:11:03,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:03,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:03,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:03,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:03,195 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:03,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313408701] [2021-11-07 01:11:03,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313408701] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:03,195 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:03,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:11:03,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937518757] [2021-11-07 01:11:03,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:11:03,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:03,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:11:03,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:11:03,197 INFO L87 Difference]: Start difference. First operand 992 states and 1402 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:03,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:03,247 INFO L93 Difference]: Finished difference Result 1014 states and 1423 transitions. [2021-11-07 01:11:03,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:11:03,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-07 01:11:03,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:03,253 INFO L225 Difference]: With dead ends: 1014 [2021-11-07 01:11:03,254 INFO L226 Difference]: Without dead ends: 1014 [2021-11-07 01:11:03,254 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:11:03,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2021-11-07 01:11:03,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 992. [2021-11-07 01:11:03,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 980 states have (on average 1.4275510204081632) internal successors, (1399), 991 states have internal predecessors, (1399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:03,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1399 transitions. [2021-11-07 01:11:03,276 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1399 transitions. Word has length 25 [2021-11-07 01:11:03,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:03,277 INFO L470 AbstractCegarLoop]: Abstraction has 992 states and 1399 transitions. [2021-11-07 01:11:03,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:03,277 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1399 transitions. [2021-11-07 01:11:03,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 01:11:03,279 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:03,279 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:03,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:03,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:03,492 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:03,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:03,492 INFO L85 PathProgramCache]: Analyzing trace with hash -105580495, now seen corresponding path program 1 times [2021-11-07 01:11:03,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:03,493 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [897865981] [2021-11-07 01:11:03,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:03,493 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:03,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:03,494 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:03,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 01:11:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:03,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:11:03,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:03,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:03,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:03,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:03,802 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:03,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [897865981] [2021-11-07 01:11:03,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [897865981] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:03,802 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:03,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:11:03,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318654275] [2021-11-07 01:11:03,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:11:03,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:03,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:11:03,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:11:03,804 INFO L87 Difference]: Start difference. First operand 992 states and 1399 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:04,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:04,103 INFO L93 Difference]: Finished difference Result 982 states and 1384 transitions. [2021-11-07 01:11:04,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:11:04,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-07 01:11:04,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:04,109 INFO L225 Difference]: With dead ends: 982 [2021-11-07 01:11:04,109 INFO L226 Difference]: Without dead ends: 982 [2021-11-07 01:11:04,110 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:11:04,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2021-11-07 01:11:04,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 982. [2021-11-07 01:11:04,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 982 states, 973 states have (on average 1.4224049331963) internal successors, (1384), 981 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:04,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1384 transitions. [2021-11-07 01:11:04,132 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1384 transitions. Word has length 27 [2021-11-07 01:11:04,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:04,133 INFO L470 AbstractCegarLoop]: Abstraction has 982 states and 1384 transitions. [2021-11-07 01:11:04,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:04,134 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1384 transitions. [2021-11-07 01:11:04,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 01:11:04,137 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:04,137 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:04,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:04,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:04,349 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:04,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:04,350 INFO L85 PathProgramCache]: Analyzing trace with hash 333752835, now seen corresponding path program 1 times [2021-11-07 01:11:04,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:04,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1097128276] [2021-11-07 01:11:04,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:04,350 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:04,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:04,351 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:04,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-07 01:11:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:04,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:11:04,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:04,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:04,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:04,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:04,819 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:04,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1097128276] [2021-11-07 01:11:04,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1097128276] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:04,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:04,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:11:04,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211188254] [2021-11-07 01:11:04,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:11:04,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:04,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:11:04,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:11:04,821 INFO L87 Difference]: Start difference. First operand 982 states and 1384 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:05,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:05,228 INFO L93 Difference]: Finished difference Result 997 states and 1391 transitions. [2021-11-07 01:11:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:11:05,229 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-07 01:11:05,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:05,234 INFO L225 Difference]: With dead ends: 997 [2021-11-07 01:11:05,234 INFO L226 Difference]: Without dead ends: 997 [2021-11-07 01:11:05,235 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:11:05,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2021-11-07 01:11:05,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 982. [2021-11-07 01:11:05,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 982 states, 973 states have (on average 1.4131551901336075) internal successors, (1375), 981 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:05,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1375 transitions. [2021-11-07 01:11:05,255 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1375 transitions. Word has length 29 [2021-11-07 01:11:05,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:05,255 INFO L470 AbstractCegarLoop]: Abstraction has 982 states and 1375 transitions. [2021-11-07 01:11:05,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:05,256 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1375 transitions. [2021-11-07 01:11:05,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-07 01:11:05,258 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:05,258 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:05,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:05,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:05,474 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:05,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:05,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1053614682, now seen corresponding path program 1 times [2021-11-07 01:11:05,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:05,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882457869] [2021-11-07 01:11:05,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:05,475 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:05,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:05,476 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:05,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-07 01:11:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:05,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:11:05,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:05,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:05,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:05,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:05,877 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:05,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [882457869] [2021-11-07 01:11:05,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [882457869] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:05,878 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:05,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:11:05,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703517975] [2021-11-07 01:11:05,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:11:05,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:05,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:11:05,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:11:05,880 INFO L87 Difference]: Start difference. First operand 982 states and 1375 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:06,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:06,081 INFO L93 Difference]: Finished difference Result 1103 states and 1515 transitions. [2021-11-07 01:11:06,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:11:06,085 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-07 01:11:06,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:06,091 INFO L225 Difference]: With dead ends: 1103 [2021-11-07 01:11:06,092 INFO L226 Difference]: Without dead ends: 1103 [2021-11-07 01:11:06,092 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:11:06,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2021-11-07 01:11:06,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 988. [2021-11-07 01:11:06,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 988 states, 979 states have (on average 1.4136874361593463) internal successors, (1384), 987 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:06,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1384 transitions. [2021-11-07 01:11:06,116 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1384 transitions. Word has length 30 [2021-11-07 01:11:06,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:06,116 INFO L470 AbstractCegarLoop]: Abstraction has 988 states and 1384 transitions. [2021-11-07 01:11:06,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:06,117 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1384 transitions. [2021-11-07 01:11:06,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-07 01:11:06,120 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:06,120 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:06,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:06,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:06,334 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:06,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:06,335 INFO L85 PathProgramCache]: Analyzing trace with hash -2074683036, now seen corresponding path program 1 times [2021-11-07 01:11:06,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:06,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [398083121] [2021-11-07 01:11:06,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:06,336 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:06,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:06,337 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:06,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-07 01:11:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:06,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:11:06,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:06,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:06,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:06,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:06,758 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:06,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [398083121] [2021-11-07 01:11:06,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [398083121] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:06,759 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:06,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:11:06,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394359606] [2021-11-07 01:11:06,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:11:06,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:06,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:11:06,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:11:06,761 INFO L87 Difference]: Start difference. First operand 988 states and 1384 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:07,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:07,041 INFO L93 Difference]: Finished difference Result 1008 states and 1407 transitions. [2021-11-07 01:11:07,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:11:07,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-07 01:11:07,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:07,046 INFO L225 Difference]: With dead ends: 1008 [2021-11-07 01:11:07,046 INFO L226 Difference]: Without dead ends: 1008 [2021-11-07 01:11:07,047 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:11:07,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2021-11-07 01:11:07,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 1005. [2021-11-07 01:11:07,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 996 states have (on average 1.4106425702811245) internal successors, (1405), 1004 states have internal predecessors, (1405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:07,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1405 transitions. [2021-11-07 01:11:07,069 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1405 transitions. Word has length 30 [2021-11-07 01:11:07,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:07,070 INFO L470 AbstractCegarLoop]: Abstraction has 1005 states and 1405 transitions. [2021-11-07 01:11:07,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:07,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1405 transitions. [2021-11-07 01:11:07,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 01:11:07,072 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:07,073 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:07,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:07,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:07,285 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:07,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:07,286 INFO L85 PathProgramCache]: Analyzing trace with hash 126548072, now seen corresponding path program 1 times [2021-11-07 01:11:07,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:07,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849170994] [2021-11-07 01:11:07,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:07,287 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:07,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:07,293 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:07,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-07 01:11:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:07,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:11:07,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:07,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:07,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:07,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:07,946 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:07,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849170994] [2021-11-07 01:11:07,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1849170994] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:07,947 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:07,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:11:07,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731545423] [2021-11-07 01:11:07,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:11:07,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:07,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:11:07,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:11:07,950 INFO L87 Difference]: Start difference. First operand 1005 states and 1405 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:08,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:08,307 INFO L93 Difference]: Finished difference Result 1017 states and 1415 transitions. [2021-11-07 01:11:08,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:11:08,308 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-07 01:11:08,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:08,316 INFO L225 Difference]: With dead ends: 1017 [2021-11-07 01:11:08,317 INFO L226 Difference]: Without dead ends: 1017 [2021-11-07 01:11:08,317 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:11:08,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2021-11-07 01:11:08,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 1005. [2021-11-07 01:11:08,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 996 states have (on average 1.4096385542168675) internal successors, (1404), 1004 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:08,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1404 transitions. [2021-11-07 01:11:08,341 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1404 transitions. Word has length 31 [2021-11-07 01:11:08,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:08,342 INFO L470 AbstractCegarLoop]: Abstraction has 1005 states and 1404 transitions. [2021-11-07 01:11:08,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:08,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1404 transitions. [2021-11-07 01:11:08,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 01:11:08,345 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:08,345 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:08,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:08,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:08,557 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:08,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:08,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1557214583, now seen corresponding path program 1 times [2021-11-07 01:11:08,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:08,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1529209408] [2021-11-07 01:11:08,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:08,558 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:08,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:08,560 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:08,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-07 01:11:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:08,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:11:08,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:08,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:08,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:09,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:09,053 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:09,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1529209408] [2021-11-07 01:11:09,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1529209408] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:09,054 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:09,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:11:09,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237818236] [2021-11-07 01:11:09,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:11:09,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:09,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:11:09,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:11:09,055 INFO L87 Difference]: Start difference. First operand 1005 states and 1404 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:09,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:09,164 INFO L93 Difference]: Finished difference Result 1081 states and 1490 transitions. [2021-11-07 01:11:09,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:11:09,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-07 01:11:09,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:09,170 INFO L225 Difference]: With dead ends: 1081 [2021-11-07 01:11:09,171 INFO L226 Difference]: Without dead ends: 1081 [2021-11-07 01:11:09,171 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:11:09,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2021-11-07 01:11:09,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 993. [2021-11-07 01:11:09,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 984 states have (on average 1.4065040650406504) internal successors, (1384), 992 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:09,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1384 transitions. [2021-11-07 01:11:09,192 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1384 transitions. Word has length 31 [2021-11-07 01:11:09,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:09,192 INFO L470 AbstractCegarLoop]: Abstraction has 993 states and 1384 transitions. [2021-11-07 01:11:09,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:09,193 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1384 transitions. [2021-11-07 01:11:09,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 01:11:09,195 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:09,195 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:09,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:09,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:09,409 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:09,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:09,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1095917288, now seen corresponding path program 1 times [2021-11-07 01:11:09,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:09,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [152155730] [2021-11-07 01:11:09,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:09,411 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:09,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:09,412 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:09,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-07 01:11:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:09,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:11:09,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:09,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:09,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:09,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:09,856 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:09,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [152155730] [2021-11-07 01:11:09,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [152155730] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:09,857 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:09,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:11:09,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311022956] [2021-11-07 01:11:09,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:11:09,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:09,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:11:09,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:11:09,860 INFO L87 Difference]: Start difference. First operand 993 states and 1384 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:10,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:10,143 INFO L93 Difference]: Finished difference Result 1045 states and 1436 transitions. [2021-11-07 01:11:10,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:11:10,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-07 01:11:10,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:10,149 INFO L225 Difference]: With dead ends: 1045 [2021-11-07 01:11:10,149 INFO L226 Difference]: Without dead ends: 1045 [2021-11-07 01:11:10,149 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:11:10,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2021-11-07 01:11:10,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1033. [2021-11-07 01:11:10,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 1024 states have (on average 1.3916015625) internal successors, (1425), 1032 states have internal predecessors, (1425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:10,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1425 transitions. [2021-11-07 01:11:10,170 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1425 transitions. Word has length 31 [2021-11-07 01:11:10,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:10,171 INFO L470 AbstractCegarLoop]: Abstraction has 1033 states and 1425 transitions. [2021-11-07 01:11:10,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:10,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1425 transitions. [2021-11-07 01:11:10,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 01:11:10,175 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:10,175 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:10,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:10,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:10,387 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:10,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:10,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1102324248, now seen corresponding path program 1 times [2021-11-07 01:11:10,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:10,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [528096041] [2021-11-07 01:11:10,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:10,388 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:10,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:10,389 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:10,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-07 01:11:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:10,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:11:10,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:10,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:10,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:10,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:10,938 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:10,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [528096041] [2021-11-07 01:11:10,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [528096041] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:10,938 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:10,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:11:10,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695007565] [2021-11-07 01:11:10,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:11:10,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:10,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:11:10,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:11:10,942 INFO L87 Difference]: Start difference. First operand 1033 states and 1425 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:11,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:11,208 INFO L93 Difference]: Finished difference Result 993 states and 1367 transitions. [2021-11-07 01:11:11,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:11:11,213 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-07 01:11:11,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:11,218 INFO L225 Difference]: With dead ends: 993 [2021-11-07 01:11:11,218 INFO L226 Difference]: Without dead ends: 993 [2021-11-07 01:11:11,219 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:11:11,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2021-11-07 01:11:11,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 993. [2021-11-07 01:11:11,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 984 states have (on average 1.3892276422764227) internal successors, (1367), 992 states have internal predecessors, (1367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:11,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1367 transitions. [2021-11-07 01:11:11,237 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1367 transitions. Word has length 31 [2021-11-07 01:11:11,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:11,237 INFO L470 AbstractCegarLoop]: Abstraction has 993 states and 1367 transitions. [2021-11-07 01:11:11,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:11,238 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1367 transitions. [2021-11-07 01:11:11,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 01:11:11,240 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:11,240 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:11,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:11,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:11,452 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:11,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:11,452 INFO L85 PathProgramCache]: Analyzing trace with hash -893854285, now seen corresponding path program 1 times [2021-11-07 01:11:11,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:11,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1132845933] [2021-11-07 01:11:11,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:11,453 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:11,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:11,454 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:11,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-07 01:11:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:11,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:11:11,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:11,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:11,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:12,134 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:12,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1132845933] [2021-11-07 01:11:12,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1132845933] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:12,134 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:12,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:11:12,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701016147] [2021-11-07 01:11:12,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:11:12,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:12,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:11:12,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:11:12,136 INFO L87 Difference]: Start difference. First operand 993 states and 1367 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:12,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:12,493 INFO L93 Difference]: Finished difference Result 1129 states and 1549 transitions. [2021-11-07 01:11:12,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:11:12,497 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-07 01:11:12,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:12,503 INFO L225 Difference]: With dead ends: 1129 [2021-11-07 01:11:12,503 INFO L226 Difference]: Without dead ends: 1127 [2021-11-07 01:11:12,504 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:11:12,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2021-11-07 01:11:12,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1022. [2021-11-07 01:11:12,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 1013 states have (on average 1.3840078973346495) internal successors, (1402), 1021 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:12,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1402 transitions. [2021-11-07 01:11:12,526 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1402 transitions. Word has length 32 [2021-11-07 01:11:12,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:12,526 INFO L470 AbstractCegarLoop]: Abstraction has 1022 states and 1402 transitions. [2021-11-07 01:11:12,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:12,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1402 transitions. [2021-11-07 01:11:12,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 01:11:12,529 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:12,529 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:12,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:12,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:12,742 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:12,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:12,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1174449588, now seen corresponding path program 1 times [2021-11-07 01:11:12,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:12,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1487384579] [2021-11-07 01:11:12,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:12,743 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:12,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:12,744 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:12,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-07 01:11:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:13,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:11:13,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:13,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:13,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:13,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:13,430 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:13,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1487384579] [2021-11-07 01:11:13,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1487384579] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:13,430 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:13,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:11:13,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359307144] [2021-11-07 01:11:13,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:11:13,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:13,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:11:13,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:11:13,432 INFO L87 Difference]: Start difference. First operand 1022 states and 1402 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:13,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:13,775 INFO L93 Difference]: Finished difference Result 1045 states and 1423 transitions. [2021-11-07 01:11:13,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:11:13,775 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-07 01:11:13,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:13,780 INFO L225 Difference]: With dead ends: 1045 [2021-11-07 01:11:13,781 INFO L226 Difference]: Without dead ends: 1045 [2021-11-07 01:11:13,781 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:11:13,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2021-11-07 01:11:13,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1022. [2021-11-07 01:11:13,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 1013 states have (on average 1.3800592300098717) internal successors, (1398), 1021 states have internal predecessors, (1398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:13,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1398 transitions. [2021-11-07 01:11:13,801 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1398 transitions. Word has length 32 [2021-11-07 01:11:13,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:13,801 INFO L470 AbstractCegarLoop]: Abstraction has 1022 states and 1398 transitions. [2021-11-07 01:11:13,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:13,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1398 transitions. [2021-11-07 01:11:13,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 01:11:13,804 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:13,804 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:13,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:14,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:14,018 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:14,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:14,018 INFO L85 PathProgramCache]: Analyzing trace with hash -369077776, now seen corresponding path program 1 times [2021-11-07 01:11:14,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:14,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1013711792] [2021-11-07 01:11:14,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:14,019 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:14,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:14,020 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:14,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-07 01:11:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:14,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:11:14,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:14,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:14,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:14,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:14,631 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:14,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1013711792] [2021-11-07 01:11:14,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1013711792] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:14,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:14,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2021-11-07 01:11:14,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268071084] [2021-11-07 01:11:14,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 01:11:14,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:14,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 01:11:14,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:11:14,633 INFO L87 Difference]: Start difference. First operand 1022 states and 1398 transitions. Second operand has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:14,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:14,905 INFO L93 Difference]: Finished difference Result 1050 states and 1426 transitions. [2021-11-07 01:11:14,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 01:11:14,905 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-07 01:11:14,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:14,910 INFO L225 Difference]: With dead ends: 1050 [2021-11-07 01:11:14,910 INFO L226 Difference]: Without dead ends: 1032 [2021-11-07 01:11:14,911 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:11:14,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2021-11-07 01:11:14,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1027. [2021-11-07 01:11:14,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1018 states have (on average 1.3781925343811394) internal successors, (1403), 1026 states have internal predecessors, (1403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:14,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1403 transitions. [2021-11-07 01:11:14,929 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1403 transitions. Word has length 32 [2021-11-07 01:11:14,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:14,930 INFO L470 AbstractCegarLoop]: Abstraction has 1027 states and 1403 transitions. [2021-11-07 01:11:14,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:14,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1403 transitions. [2021-11-07 01:11:14,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 01:11:14,932 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:14,932 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:14,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:15,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:15,144 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:15,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:15,145 INFO L85 PathProgramCache]: Analyzing trace with hash 2002415359, now seen corresponding path program 1 times [2021-11-07 01:11:15,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:15,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [66683633] [2021-11-07 01:11:15,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:15,145 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:15,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:15,146 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:15,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-07 01:11:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:15,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:11:15,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:15,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:15,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:15,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:15,757 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:15,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [66683633] [2021-11-07 01:11:15,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [66683633] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:15,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:15,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-07 01:11:15,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194379555] [2021-11-07 01:11:15,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-07 01:11:15,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:15,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-07 01:11:15,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:11:15,759 INFO L87 Difference]: Start difference. First operand 1027 states and 1403 transitions. Second operand has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:16,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:16,097 INFO L93 Difference]: Finished difference Result 1087 states and 1472 transitions. [2021-11-07 01:11:16,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:11:16,099 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-07 01:11:16,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:16,104 INFO L225 Difference]: With dead ends: 1087 [2021-11-07 01:11:16,104 INFO L226 Difference]: Without dead ends: 958 [2021-11-07 01:11:16,108 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2021-11-07 01:11:16,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2021-11-07 01:11:16,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 944. [2021-11-07 01:11:16,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 935 states have (on average 1.3529411764705883) internal successors, (1265), 943 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:16,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1265 transitions. [2021-11-07 01:11:16,123 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1265 transitions. Word has length 33 [2021-11-07 01:11:16,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:16,123 INFO L470 AbstractCegarLoop]: Abstraction has 944 states and 1265 transitions. [2021-11-07 01:11:16,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:16,124 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1265 transitions. [2021-11-07 01:11:16,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 01:11:16,126 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:16,126 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:16,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:16,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:16,338 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:16,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:16,339 INFO L85 PathProgramCache]: Analyzing trace with hash -691762275, now seen corresponding path program 1 times [2021-11-07 01:11:16,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:16,339 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112289045] [2021-11-07 01:11:16,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:16,339 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:16,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:16,340 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:16,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-07 01:11:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:16,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:11:16,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:16,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:16,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:17,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:17,020 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:17,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2112289045] [2021-11-07 01:11:17,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2112289045] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:17,021 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:17,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 13 [2021-11-07 01:11:17,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769554631] [2021-11-07 01:11:17,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 01:11:17,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:17,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 01:11:17,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:11:17,022 INFO L87 Difference]: Start difference. First operand 944 states and 1265 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:17,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:17,764 INFO L93 Difference]: Finished difference Result 1191 states and 1542 transitions. [2021-11-07 01:11:17,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 01:11:17,765 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-07 01:11:17,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:17,770 INFO L225 Difference]: With dead ends: 1191 [2021-11-07 01:11:17,770 INFO L226 Difference]: Without dead ends: 1189 [2021-11-07 01:11:17,771 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2021-11-07 01:11:17,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2021-11-07 01:11:17,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 956. [2021-11-07 01:11:17,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 947 states have (on average 1.3484688489968322) internal successors, (1277), 955 states have internal predecessors, (1277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:17,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1277 transitions. [2021-11-07 01:11:17,785 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1277 transitions. Word has length 33 [2021-11-07 01:11:17,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:17,786 INFO L470 AbstractCegarLoop]: Abstraction has 956 states and 1277 transitions. [2021-11-07 01:11:17,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:17,786 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1277 transitions. [2021-11-07 01:11:17,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 01:11:17,787 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:17,788 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:17,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:18,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:18,000 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:18,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:18,001 INFO L85 PathProgramCache]: Analyzing trace with hash -691774191, now seen corresponding path program 1 times [2021-11-07 01:11:18,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:18,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1346860531] [2021-11-07 01:11:18,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:18,002 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:18,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:18,003 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:18,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-07 01:11:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:18,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:11:18,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:18,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:18,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:18,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:18,700 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:18,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1346860531] [2021-11-07 01:11:18,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1346860531] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:18,701 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:18,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:11:18,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695392764] [2021-11-07 01:11:18,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:11:18,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:18,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:11:18,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:11:18,702 INFO L87 Difference]: Start difference. First operand 956 states and 1277 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:18,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:18,924 INFO L93 Difference]: Finished difference Result 967 states and 1285 transitions. [2021-11-07 01:11:18,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:11:18,925 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-07 01:11:18,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:18,927 INFO L225 Difference]: With dead ends: 967 [2021-11-07 01:11:18,927 INFO L226 Difference]: Without dead ends: 911 [2021-11-07 01:11:18,928 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:11:18,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2021-11-07 01:11:18,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 899. [2021-11-07 01:11:18,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 890 states have (on average 1.3561797752808988) internal successors, (1207), 898 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:18,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1207 transitions. [2021-11-07 01:11:18,942 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1207 transitions. Word has length 33 [2021-11-07 01:11:18,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:18,943 INFO L470 AbstractCegarLoop]: Abstraction has 899 states and 1207 transitions. [2021-11-07 01:11:18,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:18,943 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1207 transitions. [2021-11-07 01:11:18,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:11:18,944 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:18,945 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:18,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (25)] Ended with exit code 0 [2021-11-07 01:11:19,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:19,153 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:19,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:19,153 INFO L85 PathProgramCache]: Analyzing trace with hash -2061346662, now seen corresponding path program 1 times [2021-11-07 01:11:19,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:19,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [7244064] [2021-11-07 01:11:19,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:19,154 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:19,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:19,155 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:19,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-07 01:11:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:19,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:11:19,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:19,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:19,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:19,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:19,770 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:19,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [7244064] [2021-11-07 01:11:19,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [7244064] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:19,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:19,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:11:19,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486526915] [2021-11-07 01:11:19,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:11:19,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:19,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:11:19,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:11:19,772 INFO L87 Difference]: Start difference. First operand 899 states and 1207 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:19,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:19,896 INFO L93 Difference]: Finished difference Result 981 states and 1288 transitions. [2021-11-07 01:11:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:11:19,897 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-07 01:11:19,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:19,899 INFO L225 Difference]: With dead ends: 981 [2021-11-07 01:11:19,899 INFO L226 Difference]: Without dead ends: 981 [2021-11-07 01:11:19,899 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:11:19,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2021-11-07 01:11:19,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 907. [2021-11-07 01:11:19,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 898 states have (on average 1.3518930957683741) internal successors, (1214), 906 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:19,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1214 transitions. [2021-11-07 01:11:19,914 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1214 transitions. Word has length 34 [2021-11-07 01:11:19,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:19,914 INFO L470 AbstractCegarLoop]: Abstraction has 907 states and 1214 transitions. [2021-11-07 01:11:19,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:19,914 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1214 transitions. [2021-11-07 01:11:19,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:11:19,915 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:19,915 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:19,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:20,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:20,116 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:20,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:20,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1415972184, now seen corresponding path program 1 times [2021-11-07 01:11:20,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:20,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1254657340] [2021-11-07 01:11:20,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:20,117 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:20,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:20,118 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:20,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-07 01:11:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:20,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 01:11:20,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:20,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:20,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:20,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:20,817 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:20,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1254657340] [2021-11-07 01:11:20,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1254657340] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:20,817 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:20,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 16 [2021-11-07 01:11:20,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712888811] [2021-11-07 01:11:20,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-07 01:11:20,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:20,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-07 01:11:20,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:11:20,819 INFO L87 Difference]: Start difference. First operand 907 states and 1214 transitions. Second operand has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:21,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:21,273 INFO L93 Difference]: Finished difference Result 956 states and 1266 transitions. [2021-11-07 01:11:21,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-07 01:11:21,273 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-07 01:11:21,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:21,274 INFO L225 Difference]: With dead ends: 956 [2021-11-07 01:11:21,275 INFO L226 Difference]: Without dead ends: 840 [2021-11-07 01:11:21,275 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=192, Invalid=564, Unknown=0, NotChecked=0, Total=756 [2021-11-07 01:11:21,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2021-11-07 01:11:21,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 840. [2021-11-07 01:11:21,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 831 states have (on average 1.332129963898917) internal successors, (1107), 839 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:21,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1107 transitions. [2021-11-07 01:11:21,289 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1107 transitions. Word has length 34 [2021-11-07 01:11:21,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:21,289 INFO L470 AbstractCegarLoop]: Abstraction has 840 states and 1107 transitions. [2021-11-07 01:11:21,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:21,289 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1107 transitions. [2021-11-07 01:11:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:11:21,290 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:21,290 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:21,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:21,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:21,491 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:21,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:21,491 INFO L85 PathProgramCache]: Analyzing trace with hash -842658898, now seen corresponding path program 1 times [2021-11-07 01:11:21,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:21,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122367737] [2021-11-07 01:11:21,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:21,492 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:21,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:21,492 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:21,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-07 01:11:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:21,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:11:21,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:21,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:21,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:22,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:22,057 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:22,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [122367737] [2021-11-07 01:11:22,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [122367737] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:22,058 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:22,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:11:22,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002769051] [2021-11-07 01:11:22,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:11:22,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:22,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:11:22,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:11:22,059 INFO L87 Difference]: Start difference. First operand 840 states and 1107 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:22,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:22,127 INFO L93 Difference]: Finished difference Result 1005 states and 1309 transitions. [2021-11-07 01:11:22,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:11:22,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-07 01:11:22,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:22,129 INFO L225 Difference]: With dead ends: 1005 [2021-11-07 01:11:22,130 INFO L226 Difference]: Without dead ends: 1005 [2021-11-07 01:11:22,130 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:11:22,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2021-11-07 01:11:22,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 840. [2021-11-07 01:11:22,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 831 states have (on average 1.3200962695547533) internal successors, (1097), 839 states have internal predecessors, (1097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:22,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1097 transitions. [2021-11-07 01:11:22,146 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1097 transitions. Word has length 34 [2021-11-07 01:11:22,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:22,146 INFO L470 AbstractCegarLoop]: Abstraction has 840 states and 1097 transitions. [2021-11-07 01:11:22,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:22,147 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1097 transitions. [2021-11-07 01:11:22,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:11:22,148 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:22,148 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:22,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:22,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:22,361 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:22,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:22,362 INFO L85 PathProgramCache]: Analyzing trace with hash -419957072, now seen corresponding path program 1 times [2021-11-07 01:11:22,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:22,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [929519922] [2021-11-07 01:11:22,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:22,362 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:22,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:22,375 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:22,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-07 01:11:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:22,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:11:22,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:22,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:22,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:23,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:23,046 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:23,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [929519922] [2021-11-07 01:11:23,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [929519922] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:23,047 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:23,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-11-07 01:11:23,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957611772] [2021-11-07 01:11:23,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 01:11:23,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:23,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 01:11:23,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-07 01:11:23,048 INFO L87 Difference]: Start difference. First operand 840 states and 1097 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:23,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:23,404 INFO L93 Difference]: Finished difference Result 992 states and 1273 transitions. [2021-11-07 01:11:23,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 01:11:23,405 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-07 01:11:23,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:23,406 INFO L225 Difference]: With dead ends: 992 [2021-11-07 01:11:23,406 INFO L226 Difference]: Without dead ends: 958 [2021-11-07 01:11:23,406 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2021-11-07 01:11:23,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2021-11-07 01:11:23,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 838. [2021-11-07 01:11:23,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 829 states have (on average 1.3184559710494572) internal successors, (1093), 837 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:23,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1093 transitions. [2021-11-07 01:11:23,420 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1093 transitions. Word has length 34 [2021-11-07 01:11:23,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:23,420 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1093 transitions. [2021-11-07 01:11:23,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:23,420 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1093 transitions. [2021-11-07 01:11:23,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:11:23,422 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:23,422 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:23,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:23,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:23,635 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:23,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:23,635 INFO L85 PathProgramCache]: Analyzing trace with hash 282533081, now seen corresponding path program 1 times [2021-11-07 01:11:23,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:23,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641787254] [2021-11-07 01:11:23,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:23,636 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:23,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:23,637 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:23,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-07 01:11:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:24,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:11:24,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:24,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:24,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:24,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:24,272 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:24,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [641787254] [2021-11-07 01:11:24,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [641787254] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:24,273 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:24,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:11:24,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677340776] [2021-11-07 01:11:24,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:11:24,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:24,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:11:24,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:11:24,275 INFO L87 Difference]: Start difference. First operand 838 states and 1093 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:24,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:24,306 INFO L93 Difference]: Finished difference Result 925 states and 1201 transitions. [2021-11-07 01:11:24,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:11:24,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-07 01:11:24,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:24,308 INFO L225 Difference]: With dead ends: 925 [2021-11-07 01:11:24,308 INFO L226 Difference]: Without dead ends: 925 [2021-11-07 01:11:24,310 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:11:24,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2021-11-07 01:11:24,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 826. [2021-11-07 01:11:24,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 820 states have (on average 1.3109756097560976) internal successors, (1075), 825 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:24,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1075 transitions. [2021-11-07 01:11:24,322 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1075 transitions. Word has length 34 [2021-11-07 01:11:24,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:24,322 INFO L470 AbstractCegarLoop]: Abstraction has 826 states and 1075 transitions. [2021-11-07 01:11:24,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:24,323 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1075 transitions. [2021-11-07 01:11:24,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 01:11:24,324 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:24,324 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:24,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:24,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:24,529 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:24,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:24,529 INFO L85 PathProgramCache]: Analyzing trace with hash 479003308, now seen corresponding path program 1 times [2021-11-07 01:11:24,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:24,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145125633] [2021-11-07 01:11:24,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:24,530 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:24,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:24,531 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:24,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-07 01:11:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:24,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:11:24,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:25,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:25,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:25,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:25,285 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:25,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1145125633] [2021-11-07 01:11:25,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1145125633] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:25,285 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:25,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 15 [2021-11-07 01:11:25,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323295301] [2021-11-07 01:11:25,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-07 01:11:25,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:25,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-07 01:11:25,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:11:25,286 INFO L87 Difference]: Start difference. First operand 826 states and 1075 transitions. Second operand has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:25,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:25,843 INFO L93 Difference]: Finished difference Result 1040 states and 1317 transitions. [2021-11-07 01:11:25,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 01:11:25,844 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-07 01:11:25,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:25,845 INFO L225 Difference]: With dead ends: 1040 [2021-11-07 01:11:25,845 INFO L226 Difference]: Without dead ends: 996 [2021-11-07 01:11:25,846 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2021-11-07 01:11:25,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2021-11-07 01:11:25,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 810. [2021-11-07 01:11:25,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 804 states have (on average 1.3121890547263682) internal successors, (1055), 809 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:25,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1055 transitions. [2021-11-07 01:11:25,856 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1055 transitions. Word has length 35 [2021-11-07 01:11:25,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:25,856 INFO L470 AbstractCegarLoop]: Abstraction has 810 states and 1055 transitions. [2021-11-07 01:11:25,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:25,856 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1055 transitions. [2021-11-07 01:11:25,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 01:11:25,858 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:25,858 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:25,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (31)] Ended with exit code 0 [2021-11-07 01:11:26,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:26,069 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:26,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:26,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1833221872, now seen corresponding path program 1 times [2021-11-07 01:11:26,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:26,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1892800462] [2021-11-07 01:11:26,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:26,070 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:26,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:26,071 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:26,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-07 01:11:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:26,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:11:26,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:26,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:26,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:26,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:26,674 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:26,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1892800462] [2021-11-07 01:11:26,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1892800462] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:26,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:26,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:11:26,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610657818] [2021-11-07 01:11:26,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:11:26,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:26,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:11:26,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:11:26,676 INFO L87 Difference]: Start difference. First operand 810 states and 1055 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:26,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:26,693 INFO L93 Difference]: Finished difference Result 794 states and 1026 transitions. [2021-11-07 01:11:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:11:26,693 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-07 01:11:26,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:26,695 INFO L225 Difference]: With dead ends: 794 [2021-11-07 01:11:26,695 INFO L226 Difference]: Without dead ends: 794 [2021-11-07 01:11:26,695 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:11:26,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2021-11-07 01:11:26,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 794. [2021-11-07 01:11:26,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 788 states have (on average 1.3020304568527918) internal successors, (1026), 793 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:26,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1026 transitions. [2021-11-07 01:11:26,706 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1026 transitions. Word has length 35 [2021-11-07 01:11:26,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:26,706 INFO L470 AbstractCegarLoop]: Abstraction has 794 states and 1026 transitions. [2021-11-07 01:11:26,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:26,707 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1026 transitions. [2021-11-07 01:11:26,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 01:11:26,708 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:26,708 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:26,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:26,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:26,922 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:26,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:26,922 INFO L85 PathProgramCache]: Analyzing trace with hash -700544509, now seen corresponding path program 1 times [2021-11-07 01:11:26,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:26,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2109903725] [2021-11-07 01:11:26,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:26,923 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:26,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:26,923 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:26,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-07 01:11:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:27,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-07 01:11:27,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:27,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:27,601 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:27,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:27,753 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:27,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2109903725] [2021-11-07 01:11:27,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2109903725] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:27,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:27,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 17 [2021-11-07 01:11:27,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912892934] [2021-11-07 01:11:27,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 01:11:27,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:27,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 01:11:27,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:11:27,755 INFO L87 Difference]: Start difference. First operand 794 states and 1026 transitions. Second operand has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:28,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:28,430 INFO L93 Difference]: Finished difference Result 1002 states and 1262 transitions. [2021-11-07 01:11:28,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 01:11:28,431 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-07 01:11:28,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:28,432 INFO L225 Difference]: With dead ends: 1002 [2021-11-07 01:11:28,432 INFO L226 Difference]: Without dead ends: 957 [2021-11-07 01:11:28,433 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2021-11-07 01:11:28,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2021-11-07 01:11:28,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 778. [2021-11-07 01:11:28,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 772 states have (on average 1.3031088082901554) internal successors, (1006), 777 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:28,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 1006 transitions. [2021-11-07 01:11:28,444 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 1006 transitions. Word has length 36 [2021-11-07 01:11:28,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:28,444 INFO L470 AbstractCegarLoop]: Abstraction has 778 states and 1006 transitions. [2021-11-07 01:11:28,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:28,445 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1006 transitions. [2021-11-07 01:11:28,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 01:11:28,446 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:28,446 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:28,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:28,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:28,659 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:28,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:28,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1075516100, now seen corresponding path program 1 times [2021-11-07 01:11:28,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:28,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1131429170] [2021-11-07 01:11:28,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:28,660 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:28,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:28,660 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:28,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-11-07 01:11:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:29,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:11:29,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:29,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:29,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:29,312 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:29,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1131429170] [2021-11-07 01:11:29,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1131429170] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:29,312 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:29,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:11:29,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507535031] [2021-11-07 01:11:29,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:11:29,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:29,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:11:29,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:11:29,313 INFO L87 Difference]: Start difference. First operand 778 states and 1006 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:29,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:29,352 INFO L93 Difference]: Finished difference Result 659 states and 835 transitions. [2021-11-07 01:11:29,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:11:29,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-07 01:11:29,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:29,354 INFO L225 Difference]: With dead ends: 659 [2021-11-07 01:11:29,354 INFO L226 Difference]: Without dead ends: 655 [2021-11-07 01:11:29,354 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:11:29,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2021-11-07 01:11:29,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 608. [2021-11-07 01:11:29,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 602 states have (on average 1.282392026578073) internal successors, (772), 607 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:29,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 772 transitions. [2021-11-07 01:11:29,360 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 772 transitions. Word has length 37 [2021-11-07 01:11:29,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:29,360 INFO L470 AbstractCegarLoop]: Abstraction has 608 states and 772 transitions. [2021-11-07 01:11:29,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:29,360 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 772 transitions. [2021-11-07 01:11:29,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 01:11:29,361 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:29,361 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:29,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (34)] Ended with exit code 0 [2021-11-07 01:11:29,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:29,562 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:29,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:29,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1405976500, now seen corresponding path program 1 times [2021-11-07 01:11:29,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:29,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200440589] [2021-11-07 01:11:29,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:29,563 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:29,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:29,563 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:29,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-11-07 01:11:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:30,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-07 01:11:30,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:30,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:30,299 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:30,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:30,479 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:30,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [200440589] [2021-11-07 01:11:30,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [200440589] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:30,479 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:30,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 17 [2021-11-07 01:11:30,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625110958] [2021-11-07 01:11:30,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 01:11:30,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:30,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 01:11:30,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:11:30,480 INFO L87 Difference]: Start difference. First operand 608 states and 772 transitions. Second operand has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:31,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:31,268 INFO L93 Difference]: Finished difference Result 801 states and 988 transitions. [2021-11-07 01:11:31,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-07 01:11:31,269 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-07 01:11:31,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:31,270 INFO L225 Difference]: With dead ends: 801 [2021-11-07 01:11:31,270 INFO L226 Difference]: Without dead ends: 700 [2021-11-07 01:11:31,271 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=352, Invalid=1054, Unknown=0, NotChecked=0, Total=1406 [2021-11-07 01:11:31,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2021-11-07 01:11:31,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 564. [2021-11-07 01:11:31,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 558 states have (on average 1.2670250896057347) internal successors, (707), 563 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:31,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 707 transitions. [2021-11-07 01:11:31,279 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 707 transitions. Word has length 37 [2021-11-07 01:11:31,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:31,279 INFO L470 AbstractCegarLoop]: Abstraction has 564 states and 707 transitions. [2021-11-07 01:11:31,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:31,279 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 707 transitions. [2021-11-07 01:11:31,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 01:11:31,280 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:31,280 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:31,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:31,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:31,481 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:31,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:31,482 INFO L85 PathProgramCache]: Analyzing trace with hash -2131208369, now seen corresponding path program 1 times [2021-11-07 01:11:31,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:31,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710056399] [2021-11-07 01:11:31,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:31,482 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:31,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:31,483 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:31,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-11-07 01:11:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:32,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:11:32,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:32,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:32,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:32,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:32,195 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:32,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710056399] [2021-11-07 01:11:32,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [710056399] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:32,195 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:32,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:11:32,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70110045] [2021-11-07 01:11:32,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:11:32,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:32,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:11:32,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:11:32,197 INFO L87 Difference]: Start difference. First operand 564 states and 707 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:32,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:32,273 INFO L93 Difference]: Finished difference Result 612 states and 758 transitions. [2021-11-07 01:11:32,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:11:32,273 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-07 01:11:32,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:32,274 INFO L225 Difference]: With dead ends: 612 [2021-11-07 01:11:32,274 INFO L226 Difference]: Without dead ends: 574 [2021-11-07 01:11:32,274 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:11:32,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2021-11-07 01:11:32,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 512. [2021-11-07 01:11:32,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 506 states have (on average 1.2707509881422925) internal successors, (643), 511 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:32,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 643 transitions. [2021-11-07 01:11:32,279 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 643 transitions. Word has length 39 [2021-11-07 01:11:32,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:32,279 INFO L470 AbstractCegarLoop]: Abstraction has 512 states and 643 transitions. [2021-11-07 01:11:32,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:32,279 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 643 transitions. [2021-11-07 01:11:32,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 01:11:32,280 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:32,280 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:32,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (36)] Ended with exit code 0 [2021-11-07 01:11:32,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:32,481 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:32,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:32,481 INFO L85 PathProgramCache]: Analyzing trace with hash 289296501, now seen corresponding path program 1 times [2021-11-07 01:11:32,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:32,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [302657315] [2021-11-07 01:11:32,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:32,482 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:32,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:32,483 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:32,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-11-07 01:11:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:33,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:11:33,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:33,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:33,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:33,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:33,234 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:33,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [302657315] [2021-11-07 01:11:33,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [302657315] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:33,235 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:33,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:11:33,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676744244] [2021-11-07 01:11:33,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:11:33,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:33,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:11:33,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:11:33,237 INFO L87 Difference]: Start difference. First operand 512 states and 643 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:33,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:33,292 INFO L93 Difference]: Finished difference Result 560 states and 694 transitions. [2021-11-07 01:11:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:11:33,293 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-07 01:11:33,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:33,293 INFO L225 Difference]: With dead ends: 560 [2021-11-07 01:11:33,294 INFO L226 Difference]: Without dead ends: 513 [2021-11-07 01:11:33,294 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:11:33,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2021-11-07 01:11:33,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 451. [2021-11-07 01:11:33,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 445 states have (on average 1.2584269662921348) internal successors, (560), 450 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:33,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 560 transitions. [2021-11-07 01:11:33,299 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 560 transitions. Word has length 41 [2021-11-07 01:11:33,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:33,299 INFO L470 AbstractCegarLoop]: Abstraction has 451 states and 560 transitions. [2021-11-07 01:11:33,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:33,299 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 560 transitions. [2021-11-07 01:11:33,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 01:11:33,300 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:33,301 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:33,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:33,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:33,509 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:33,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:33,509 INFO L85 PathProgramCache]: Analyzing trace with hash -528351949, now seen corresponding path program 1 times [2021-11-07 01:11:33,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:33,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327791129] [2021-11-07 01:11:33,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:33,510 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:33,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:33,511 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:33,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2021-11-07 01:11:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:34,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-07 01:11:34,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:34,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:34,260 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:34,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:34,426 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:34,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [327791129] [2021-11-07 01:11:34,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [327791129] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:34,426 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:34,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 18 [2021-11-07 01:11:34,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531908076] [2021-11-07 01:11:34,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-07 01:11:34,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:34,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-07 01:11:34,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:11:34,428 INFO L87 Difference]: Start difference. First operand 451 states and 560 transitions. Second operand has 18 states, 18 states have (on average 3.5) internal successors, (63), 18 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:34,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:34,617 INFO L93 Difference]: Finished difference Result 511 states and 632 transitions. [2021-11-07 01:11:34,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 01:11:34,618 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.5) internal successors, (63), 18 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-07 01:11:34,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:34,619 INFO L225 Difference]: With dead ends: 511 [2021-11-07 01:11:34,619 INFO L226 Difference]: Without dead ends: 487 [2021-11-07 01:11:34,619 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=454, Unknown=0, NotChecked=0, Total=600 [2021-11-07 01:11:34,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2021-11-07 01:11:34,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 440. [2021-11-07 01:11:34,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 434 states have (on average 1.262672811059908) internal successors, (548), 439 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:34,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 548 transitions. [2021-11-07 01:11:34,625 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 548 transitions. Word has length 41 [2021-11-07 01:11:34,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:34,625 INFO L470 AbstractCegarLoop]: Abstraction has 440 states and 548 transitions. [2021-11-07 01:11:34,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.5) internal successors, (63), 18 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:34,625 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 548 transitions. [2021-11-07 01:11:34,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 01:11:34,626 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:34,626 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:34,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:34,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:34,833 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:34,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:34,833 INFO L85 PathProgramCache]: Analyzing trace with hash 961058282, now seen corresponding path program 1 times [2021-11-07 01:11:34,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:34,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1661219286] [2021-11-07 01:11:34,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:34,834 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:34,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:34,835 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:34,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-11-07 01:11:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:35,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:11:35,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:35,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:35,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:35,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:35,565 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:35,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1661219286] [2021-11-07 01:11:35,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1661219286] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:35,565 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:35,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:11:35,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17584334] [2021-11-07 01:11:35,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:11:35,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:35,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:11:35,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:11:35,567 INFO L87 Difference]: Start difference. First operand 440 states and 548 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:35,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:35,589 INFO L93 Difference]: Finished difference Result 450 states and 556 transitions. [2021-11-07 01:11:35,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:11:35,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-07 01:11:35,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:35,591 INFO L225 Difference]: With dead ends: 450 [2021-11-07 01:11:35,591 INFO L226 Difference]: Without dead ends: 450 [2021-11-07 01:11:35,591 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:11:35,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2021-11-07 01:11:35,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 437. [2021-11-07 01:11:35,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 431 states have (on average 1.259860788863109) internal successors, (543), 436 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:35,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 543 transitions. [2021-11-07 01:11:35,595 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 543 transitions. Word has length 41 [2021-11-07 01:11:35,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:35,595 INFO L470 AbstractCegarLoop]: Abstraction has 437 states and 543 transitions. [2021-11-07 01:11:35,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:35,595 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 543 transitions. [2021-11-07 01:11:35,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-07 01:11:35,596 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:35,597 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:35,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (39)] Ended with exit code 0 [2021-11-07 01:11:35,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:35,810 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:35,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:35,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1198792050, now seen corresponding path program 1 times [2021-11-07 01:11:35,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:35,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305575982] [2021-11-07 01:11:35,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:35,818 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:35,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:35,818 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:35,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-11-07 01:11:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:36,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:11:36,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:36,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:36,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:36,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:36,629 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:36,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305575982] [2021-11-07 01:11:36,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [305575982] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:36,630 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:36,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:11:36,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117168957] [2021-11-07 01:11:36,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:11:36,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:36,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:11:36,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:11:36,631 INFO L87 Difference]: Start difference. First operand 437 states and 543 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:36,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:36,712 INFO L93 Difference]: Finished difference Result 406 states and 490 transitions. [2021-11-07 01:11:36,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:11:36,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-11-07 01:11:36,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:36,713 INFO L225 Difference]: With dead ends: 406 [2021-11-07 01:11:36,713 INFO L226 Difference]: Without dead ends: 405 [2021-11-07 01:11:36,713 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:11:36,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2021-11-07 01:11:36,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 384. [2021-11-07 01:11:36,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 380 states have (on average 1.231578947368421) internal successors, (468), 383 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:36,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 468 transitions. [2021-11-07 01:11:36,717 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 468 transitions. Word has length 42 [2021-11-07 01:11:36,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:36,717 INFO L470 AbstractCegarLoop]: Abstraction has 384 states and 468 transitions. [2021-11-07 01:11:36,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:36,717 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 468 transitions. [2021-11-07 01:11:36,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-07 01:11:36,718 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:36,718 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:36,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (40)] Ended with exit code 0 [2021-11-07 01:11:36,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:36,925 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:36,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:36,925 INFO L85 PathProgramCache]: Analyzing trace with hash 888562187, now seen corresponding path program 1 times [2021-11-07 01:11:36,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:36,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1403477252] [2021-11-07 01:11:36,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:36,926 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:36,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:36,928 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:36,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2021-11-07 01:11:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:37,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:11:37,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:37,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:37,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:37,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:37,759 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:37,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1403477252] [2021-11-07 01:11:37,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1403477252] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:37,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:37,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:11:37,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603699838] [2021-11-07 01:11:37,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:11:37,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:37,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:11:37,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:11:37,761 INFO L87 Difference]: Start difference. First operand 384 states and 468 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:37,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:37,797 INFO L93 Difference]: Finished difference Result 427 states and 516 transitions. [2021-11-07 01:11:37,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:11:37,797 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-07 01:11:37,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:37,798 INFO L225 Difference]: With dead ends: 427 [2021-11-07 01:11:37,798 INFO L226 Difference]: Without dead ends: 427 [2021-11-07 01:11:37,798 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:11:37,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2021-11-07 01:11:37,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 384. [2021-11-07 01:11:37,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 380 states have (on average 1.2289473684210526) internal successors, (467), 383 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:37,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 467 transitions. [2021-11-07 01:11:37,801 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 467 transitions. Word has length 43 [2021-11-07 01:11:37,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:37,802 INFO L470 AbstractCegarLoop]: Abstraction has 384 states and 467 transitions. [2021-11-07 01:11:37,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:37,802 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 467 transitions. [2021-11-07 01:11:37,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-07 01:11:37,802 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:37,802 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:37,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (41)] Ended with exit code 0 [2021-11-07 01:11:38,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:38,003 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:38,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:38,004 INFO L85 PathProgramCache]: Analyzing trace with hash -800381555, now seen corresponding path program 1 times [2021-11-07 01:11:38,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:38,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442819419] [2021-11-07 01:11:38,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:38,005 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:38,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:38,006 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:38,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2021-11-07 01:11:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:38,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:11:38,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:38,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:38,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:38,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:38,974 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:38,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1442819419] [2021-11-07 01:11:38,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1442819419] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:38,974 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:38,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-11-07 01:11:38,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950296784] [2021-11-07 01:11:38,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 01:11:38,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:38,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 01:11:38,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-07 01:11:38,975 INFO L87 Difference]: Start difference. First operand 384 states and 467 transitions. Second operand has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 14 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:39,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:39,087 INFO L93 Difference]: Finished difference Result 425 states and 514 transitions. [2021-11-07 01:11:39,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:11:39,087 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 14 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-07 01:11:39,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:39,088 INFO L225 Difference]: With dead ends: 425 [2021-11-07 01:11:39,088 INFO L226 Difference]: Without dead ends: 402 [2021-11-07 01:11:39,088 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2021-11-07 01:11:39,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2021-11-07 01:11:39,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 372. [2021-11-07 01:11:39,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 368 states have (on average 1.233695652173913) internal successors, (454), 371 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:39,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 454 transitions. [2021-11-07 01:11:39,091 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 454 transitions. Word has length 43 [2021-11-07 01:11:39,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:39,092 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 454 transitions. [2021-11-07 01:11:39,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 14 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:39,092 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 454 transitions. [2021-11-07 01:11:39,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 01:11:39,092 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:39,092 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:39,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:39,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:39,293 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:39,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:39,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1424724662, now seen corresponding path program 1 times [2021-11-07 01:11:39,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:39,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819665925] [2021-11-07 01:11:39,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:39,294 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:39,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:39,295 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:39,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2021-11-07 01:11:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:39,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-07 01:11:39,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:40,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:40,190 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:40,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:40,393 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:40,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1819665925] [2021-11-07 01:11:40,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1819665925] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:40,394 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:40,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 17 [2021-11-07 01:11:40,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824049281] [2021-11-07 01:11:40,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 01:11:40,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:40,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 01:11:40,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:11:40,395 INFO L87 Difference]: Start difference. First operand 372 states and 454 transitions. Second operand has 17 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:40,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:40,978 INFO L93 Difference]: Finished difference Result 501 states and 601 transitions. [2021-11-07 01:11:40,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 01:11:40,979 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-07 01:11:40,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:40,980 INFO L225 Difference]: With dead ends: 501 [2021-11-07 01:11:40,980 INFO L226 Difference]: Without dead ends: 427 [2021-11-07 01:11:40,980 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2021-11-07 01:11:40,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2021-11-07 01:11:40,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 327. [2021-11-07 01:11:40,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 323 states have (on average 1.2260061919504643) internal successors, (396), 326 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:40,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 396 transitions. [2021-11-07 01:11:40,983 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 396 transitions. Word has length 44 [2021-11-07 01:11:40,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:40,983 INFO L470 AbstractCegarLoop]: Abstraction has 327 states and 396 transitions. [2021-11-07 01:11:40,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:40,983 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 396 transitions. [2021-11-07 01:11:40,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 01:11:40,984 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:40,984 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:40,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (43)] Ended with exit code 0 [2021-11-07 01:11:41,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:41,184 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:41,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:41,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1904668637, now seen corresponding path program 1 times [2021-11-07 01:11:41,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:41,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1812803367] [2021-11-07 01:11:41,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:41,185 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:41,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:41,186 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:41,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2021-11-07 01:11:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:41,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:11:41,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:41,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:41,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:42,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:42,110 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:42,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1812803367] [2021-11-07 01:11:42,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1812803367] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:42,111 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:42,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-07 01:11:42,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775799386] [2021-11-07 01:11:42,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:11:42,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:42,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:11:42,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:11:42,112 INFO L87 Difference]: Start difference. First operand 327 states and 396 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:42,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:42,310 INFO L93 Difference]: Finished difference Result 562 states and 669 transitions. [2021-11-07 01:11:42,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:11:42,310 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-07 01:11:42,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:42,311 INFO L225 Difference]: With dead ends: 562 [2021-11-07 01:11:42,311 INFO L226 Difference]: Without dead ends: 551 [2021-11-07 01:11:42,312 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:11:42,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2021-11-07 01:11:42,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 290. [2021-11-07 01:11:42,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 287 states have (on average 1.2055749128919862) internal successors, (346), 289 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:42,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 346 transitions. [2021-11-07 01:11:42,316 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 346 transitions. Word has length 44 [2021-11-07 01:11:42,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:42,316 INFO L470 AbstractCegarLoop]: Abstraction has 290 states and 346 transitions. [2021-11-07 01:11:42,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:42,316 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 346 transitions. [2021-11-07 01:11:42,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-07 01:11:42,317 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:42,318 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:42,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (44)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:42,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:42,530 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:42,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:42,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1156621680, now seen corresponding path program 1 times [2021-11-07 01:11:42,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:42,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1992700825] [2021-11-07 01:11:42,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:42,531 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:42,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:42,531 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:42,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2021-11-07 01:11:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:43,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:11:43,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:43,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:43,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:43,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:43,604 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:43,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1992700825] [2021-11-07 01:11:43,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1992700825] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:43,604 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:43,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:11:43,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707971869] [2021-11-07 01:11:43,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:11:43,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:43,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:11:43,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:11:43,605 INFO L87 Difference]: Start difference. First operand 290 states and 346 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:43,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:43,709 INFO L93 Difference]: Finished difference Result 290 states and 345 transitions. [2021-11-07 01:11:43,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:11:43,709 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-11-07 01:11:43,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:43,710 INFO L225 Difference]: With dead ends: 290 [2021-11-07 01:11:43,710 INFO L226 Difference]: Without dead ends: 290 [2021-11-07 01:11:43,710 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:11:43,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-11-07 01:11:43,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2021-11-07 01:11:43,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 287 states have (on average 1.2020905923344947) internal successors, (345), 289 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:43,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 345 transitions. [2021-11-07 01:11:43,712 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 345 transitions. Word has length 46 [2021-11-07 01:11:43,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:43,712 INFO L470 AbstractCegarLoop]: Abstraction has 290 states and 345 transitions. [2021-11-07 01:11:43,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:43,713 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 345 transitions. [2021-11-07 01:11:43,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 01:11:43,713 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:43,713 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:43,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (45)] Ended with exit code 0 [2021-11-07 01:11:43,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:43,914 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:43,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:43,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1018198740, now seen corresponding path program 1 times [2021-11-07 01:11:43,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:43,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1373264070] [2021-11-07 01:11:43,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:43,915 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:43,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:43,915 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:43,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2021-11-07 01:11:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:44,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-07 01:11:44,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:44,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:44,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:45,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:45,076 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:11:45,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1373264070] [2021-11-07 01:11:45,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1373264070] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:11:45,077 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:11:45,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 17 [2021-11-07 01:11:45,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846443921] [2021-11-07 01:11:45,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 01:11:45,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:11:45,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 01:11:45,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:11:45,078 INFO L87 Difference]: Start difference. First operand 290 states and 345 transitions. Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:45,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:45,600 INFO L93 Difference]: Finished difference Result 371 states and 443 transitions. [2021-11-07 01:11:45,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 01:11:45,601 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-07 01:11:45,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:45,601 INFO L225 Difference]: With dead ends: 371 [2021-11-07 01:11:45,602 INFO L226 Difference]: Without dead ends: 273 [2021-11-07 01:11:45,602 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2021-11-07 01:11:45,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2021-11-07 01:11:45,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 214. [2021-11-07 01:11:45,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 212 states have (on average 1.1886792452830188) internal successors, (252), 213 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 252 transitions. [2021-11-07 01:11:45,604 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 252 transitions. Word has length 47 [2021-11-07 01:11:45,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:45,604 INFO L470 AbstractCegarLoop]: Abstraction has 214 states and 252 transitions. [2021-11-07 01:11:45,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:11:45,604 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 252 transitions. [2021-11-07 01:11:45,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 01:11:45,605 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:45,605 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:45,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (46)] Ended with exit code 0 [2021-11-07 01:11:45,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:45,805 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-11-07 01:11:45,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:45,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1477898981, now seen corresponding path program 1 times [2021-11-07 01:11:45,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:11:45,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [775599953] [2021-11-07 01:11:45,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:45,806 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:11:45,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:11:45,807 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:11:45,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2021-11-07 01:11:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:11:46,603 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:11:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:11:46,790 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-07 01:11:46,791 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:11:46,792 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,793 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,793 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,794 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,794 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,794 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,794 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,794 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,795 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,795 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,795 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,795 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,795 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,795 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,796 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,796 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,796 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,796 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,796 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,797 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,797 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,797 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,797 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,797 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,798 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,798 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,798 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,798 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,798 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,798 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,799 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,799 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,799 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,799 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,799 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,800 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,800 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,800 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,800 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,800 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,800 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,801 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,801 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,801 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,801 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,801 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,801 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,802 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,802 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,802 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,802 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,802 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,803 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,803 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,803 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,803 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,803 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,803 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,804 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,804 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,804 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,804 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,804 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,805 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,805 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,805 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,805 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,805 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,805 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,806 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,806 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,806 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,806 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,806 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,806 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,807 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,807 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,807 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,807 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,807 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,808 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,808 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,808 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,808 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,808 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,808 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,809 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,809 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,809 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,809 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,809 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,810 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,810 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,810 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,810 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,810 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,811 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,811 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,811 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,811 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,811 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,812 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,812 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,812 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:11:46,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (47)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:47,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:11:47,028 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:47,032 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:11:47,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:11:47 BoogieIcfgContainer [2021-11-07 01:11:47,182 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:11:47,183 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:11:47,183 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:11:47,183 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:11:47,184 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:10:55" (3/4) ... [2021-11-07 01:11:47,187 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 01:11:47,187 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:11:47,188 INFO L168 Benchmark]: Toolchain (without parser) took 56236.35 ms. Allocated memory was 58.7 MB in the beginning and 249.6 MB in the end (delta: 190.8 MB). Free memory was 36.2 MB in the beginning and 97.2 MB in the end (delta: -61.0 MB). Peak memory consumption was 128.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:11:47,188 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory is still 39.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:11:47,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.39 ms. Allocated memory is still 58.7 MB. Free memory was 35.9 MB in the beginning and 23.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:11:47,189 INFO L168 Benchmark]: Boogie Procedure Inliner took 257.18 ms. Allocated memory is still 58.7 MB. Free memory was 23.4 MB in the beginning and 24.1 MB in the end (delta: -681.1 kB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:11:47,189 INFO L168 Benchmark]: Boogie Preprocessor took 217.47 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 24.1 MB in the beginning and 37.3 MB in the end (delta: -13.2 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:11:47,190 INFO L168 Benchmark]: RCFGBuilder took 2930.31 ms. Allocated memory was 71.3 MB in the beginning and 119.5 MB in the end (delta: 48.2 MB). Free memory was 37.3 MB in the beginning and 55.9 MB in the end (delta: -18.6 MB). Peak memory consumption was 39.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:11:47,190 INFO L168 Benchmark]: TraceAbstraction took 52037.48 ms. Allocated memory was 119.5 MB in the beginning and 249.6 MB in the end (delta: 130.0 MB). Free memory was 55.1 MB in the beginning and 98.2 MB in the end (delta: -43.1 MB). Peak memory consumption was 87.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:11:47,191 INFO L168 Benchmark]: Witness Printer took 3.64 ms. Allocated memory is still 249.6 MB. Free memory was 98.2 MB in the beginning and 97.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:11:47,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory is still 39.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 783.39 ms. Allocated memory is still 58.7 MB. Free memory was 35.9 MB in the beginning and 23.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 257.18 ms. Allocated memory is still 58.7 MB. Free memory was 23.4 MB in the beginning and 24.1 MB in the end (delta: -681.1 kB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 217.47 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 24.1 MB in the beginning and 37.3 MB in the end (delta: -13.2 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2930.31 ms. Allocated memory was 71.3 MB in the beginning and 119.5 MB in the end (delta: 48.2 MB). Free memory was 37.3 MB in the beginning and 55.9 MB in the end (delta: -18.6 MB). Peak memory consumption was 39.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 52037.48 ms. Allocated memory was 119.5 MB in the beginning and 249.6 MB in the end (delta: 130.0 MB). Free memory was 55.1 MB in the beginning and 98.2 MB in the end (delta: -43.1 MB). Peak memory consumption was 87.4 MB. Max. memory is 16.1 GB. * Witness Printer took 3.64 ms. Allocated memory is still 249.6 MB. Free memory was 98.2 MB in the beginning and 97.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 59. Possible FailurePath: [L32] int s ; [L33] int UNLOADED ; [L34] int NP ; [L35] int DC ; [L36] int SKIP1 ; [L37] int SKIP2 ; [L38] int MPR1 ; [L39] int MPR3 ; [L40] int IPC ; [L41] int pended ; [L42] int compFptr ; [L43] int compRegistered ; [L44] int lowerDriverReturn ; [L45] int setEventCalled ; [L46] int customIrp ; [L47] int routine ; [L48] int myStatus ; [L49] int pirp ; [L50] int Executive ; [L51] int Suspended ; [L52] int KernelMode ; [L53] int DeviceUsageTypePaging ; VAL [compFptr=0, compRegistered=0, customIrp=0, DC=0, DeviceUsageTypePaging=0, Executive=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MPR1=0, MPR3=0, myStatus=0, NP=0, pended=0, pirp=0, routine=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L1718] int pirp__IoStatus__Status ; [L1719] int d = __VERIFIER_nondet_int() ; [L1720] int status = __VERIFIER_nondet_int() ; [L1721] int irp = __VERIFIER_nondet_int() ; [L1722] int we_should_unload = __VERIFIER_nondet_int() ; [L1723] int irp_choice = __VERIFIER_nondet_int() ; [L1724] int devobj = __VERIFIER_nondet_int() ; [L1725] int __cil_tmp9 ; [L1730] s = 0 [L1731] UNLOADED = 0 [L1732] NP = 0 [L1733] DC = 0 [L1734] SKIP1 = 0 [L1735] SKIP2 = 0 [L1736] MPR1 = 0 [L1737] MPR3 = 0 [L1738] IPC = 0 [L1739] pended = 0 [L1740] compFptr = 0 [L1741] compRegistered = 0 [L1742] lowerDriverReturn = 0 [L1743] setEventCalled = 0 [L1744] customIrp = 0 [L1745] routine = 0 [L1746] myStatus = 0 [L1747] pirp = 0 [L1748] Executive = 0 [L1749] Suspended = 5 [L1750] KernelMode = 0 [L1751] DeviceUsageTypePaging = 1 [L1754] pirp = irp [L67] UNLOADED = 0 [L68] NP = 1 [L69] DC = 2 [L70] SKIP1 = 3 [L71] SKIP2 = 4 [L72] MPR1 = 5 [L73] MPR3 = 6 [L74] IPC = 7 [L75] s = UNLOADED [L76] pended = 0 [L77] compFptr = 0 [L78] compRegistered = 0 [L79] lowerDriverReturn = 0 [L80] setEventCalled = 0 [L81] customIrp = 0 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=8, routine=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1757] COND TRUE status >= 0 [L1758] s = NP [L1759] customIrp = 0 [L1760] setEventCalled = customIrp [L1761] lowerDriverReturn = setEventCalled [L1762] compRegistered = lowerDriverReturn [L1763] compFptr = compRegistered [L1764] pended = compFptr [L1765] pirp__IoStatus__Status = 0 [L1766] myStatus = 0 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1767] COND TRUE irp_choice == 0 [L1768] pirp__IoStatus__Status = -1073741637 [L1769] myStatus = -1073741637 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1707] s = NP [L1708] customIrp = 0 [L1709] setEventCalled = customIrp [L1710] lowerDriverReturn = setEventCalled [L1711] compRegistered = lowerDriverReturn [L1712] compFptr = compRegistered [L1713] pended = compFptr VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1775] COND FALSE !(status < 0) [L1779] int tmp_ndt_1; [L1780] tmp_ndt_1 = __VERIFIER_nondet_int() [L1781] COND TRUE tmp_ndt_1 == 2 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L313] int deviceExtension__Active = __VERIFIER_nondet_int() ; [L314] int status ; VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L317] COND FALSE !(deviceExtension__Active == 2) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L320] COND FALSE !(deviceExtension__Active == 3) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L323] COND FALSE !(deviceExtension__Active == 1) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L326] COND TRUE deviceExtension__Active == 7 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1591] int currentIrpStack__Parameters__DeviceIoControl__IoControlCode = __VERIFIER_nondet_int() ; [L1592] int deviceExtension__TargetDeviceObject = __VERIFIER_nondet_int() ; [L1593] int irpSp__Control ; [L1594] int tmp ; [L1595] int tmp___0 ; [L1596] int __cil_tmp8 ; [L1597] int __cil_tmp9 ; [L1598] int __cil_tmp10 ; [L1599] int __cil_tmp11 ; [L1600] int __cil_tmp12 ; [L1604] __cil_tmp8 = 56 [L1605] __cil_tmp9 = 16384 [L1606] __cil_tmp10 = 131072 [L1607] __cil_tmp11 = 147456 [L1608] __cil_tmp12 = 147512 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1609] COND TRUE currentIrpStack__Parameters__DeviceIoControl__IoControlCode == __cil_tmp12 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1610] COND FALSE !(s != NP) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1615] COND FALSE !(compRegistered != 0) [L1620] compRegistered = 1 [L1621] routine = 0 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1625] irpSp__Control = 224 [L1900] int Irp__PendingReturned = __VERIFIER_nondet_int() ; [L1901] int returnVal2 ; [L1902] int compRetStatus ; [L1903] int lcontext = __VERIFIER_nondet_int() ; [L1904] unsigned long __cil_tmp8 ; VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1907] COND TRUE \read(compRegistered) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1908] COND TRUE routine == 0 [L1569] int Irp__PendingReturned = __VERIFIER_nondet_int() ; [L1570] int Irp__AssociatedIrp__SystemBuffer = __VERIFIER_nondet_int() ; [L1573] COND TRUE \read(Irp__PendingReturned) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1574] COND TRUE pended == 0 [L1575] pended = 1 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1582] COND FALSE !(myStatus >= 0) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1587] return (myStatus); VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1910] compRetStatus = HPCdrCompletion(DeviceObject, Irp, lcontext) [L1920] __cil_tmp8 = (unsigned long )compRetStatus VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1921] COND FALSE !(__cil_tmp8 == -1073741802) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1928] COND FALSE !(\read(Irp__PendingReturned)) [L1931] int tmp_ndt_4; [L1932] tmp_ndt_4 = __VERIFIER_nondet_int() [L1933] COND TRUE tmp_ndt_4 == 0 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1944] returnVal2 = 0 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1958] COND TRUE s == NP [L1959] s = IPC [L1960] lowerDriverReturn = returnVal2 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1981] return (returnVal2); VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1626] tmp = IofCallDriver(deviceExtension__TargetDeviceObject, Irp) [L1628] return (tmp); VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L348] status = CdAudioHPCdrDeviceControl(DeviceObject, Irp) [L363] return (status); VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1798] status = CdAudioDeviceControl(devobj, pirp) [L1819] COND TRUE \read(we_should_unload) [L1825] COND TRUE pended == 1 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1826] COND FALSE !(s == NP) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1833] COND TRUE pended == 1 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1834] COND FALSE !(s == MPR3) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1841] COND TRUE s != UNLOADED VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1842] COND TRUE status != -1 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1843] COND TRUE s != SKIP2 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1844] COND FALSE !(s != IPC) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1857] COND FALSE !(pended != 1) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1869] COND TRUE status != 259 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L59] reach_error() VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1717]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1186 locations, 104 error locations. Started 1 CEGAR loops. OverallTime: 51.8s, OverallIterations: 46, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 42062 SDtfs, 32970 SDslu, 117840 SDs, 0 SdLazy, 9037 SolverSat, 1365 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2873 GetRequests, 2466 SyntacticMatches, 1 SemanticMatches, 406 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 876 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1581occurred in iteration=5, InterpolantAutomatonStates: 326, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 45 MinimizatonAttempts, 2880 StatesRemovedByMinimization, 37 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 1448 NumberOfCodeBlocks, 1448 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 2712 ConstructedInterpolants, 0 QuantifiedInterpolants, 6615 SizeOfPredicates, 136 NumberOfNonLiveVariables, 6433 ConjunctsInSsa, 212 ConjunctsInUnsatCore, 90 InterpolantComputations, 90 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-07 01:11:47,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5fe2d5-3f37-4464-b974-e986e3740c09/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample