./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix023_pso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dd742b-05ec-4180-8399-2fe9c5e68c88/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dd742b-05ec-4180-8399-2fe9c5e68c88/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dd742b-05ec-4180-8399-2fe9c5e68c88/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dd742b-05ec-4180-8399-2fe9c5e68c88/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix023_pso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dd742b-05ec-4180-8399-2fe9c5e68c88/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dd742b-05ec-4180-8399-2fe9c5e68c88/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32d264e0717d122c76f27abcecc1542641c3812c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:44:21,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:44:21,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:44:21,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:44:21,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:44:21,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:44:21,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:44:21,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:44:21,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:44:21,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:44:21,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:44:21,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:44:21,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:44:21,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:44:21,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:44:21,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:44:21,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:44:21,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:44:21,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:44:21,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:44:21,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:44:21,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:44:21,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:44:21,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:44:21,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:44:21,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:44:21,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:44:21,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:44:21,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:44:21,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:44:21,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:44:21,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:44:21,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:44:21,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:44:21,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:44:21,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:44:21,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:44:21,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:44:21,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:44:21,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:44:21,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:44:21,816 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dd742b-05ec-4180-8399-2fe9c5e68c88/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 06:44:21,845 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:44:21,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:44:21,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:44:21,847 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:44:21,848 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:44:21,848 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:44:21,848 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:44:21,849 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:44:21,849 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:44:21,849 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:44:21,849 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:44:21,849 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:44:21,850 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:44:21,854 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:44:21,854 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:44:21,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:44:21,855 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:44:21,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:44:21,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:44:21,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:44:21,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:44:21,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:44:21,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:44:21,857 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:44:21,858 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:44:21,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:44:21,858 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:44:21,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:44:21,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:44:21,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:44:21,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:44:21,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:44:21,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:44:21,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:44:21,860 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:44:21,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:44:21,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:44:21,861 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:44:21,861 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:44:21,862 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_59dd742b-05ec-4180-8399-2fe9c5e68c88/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dd742b-05ec-4180-8399-2fe9c5e68c88/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32d264e0717d122c76f27abcecc1542641c3812c [2021-10-13 06:44:22,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:44:22,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:44:22,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:44:22,191 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:44:22,192 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:44:22,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dd742b-05ec-4180-8399-2fe9c5e68c88/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/pthread-wmm/mix023_pso.opt.i [2021-10-13 06:44:22,260 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dd742b-05ec-4180-8399-2fe9c5e68c88/bin/utaipan-q2qaUkNPG8/data/958d27f19/1f98eab8d7de472da66f44bf61d50ec7/FLAG0f2616bd3 [2021-10-13 06:44:22,887 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:44:22,888 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dd742b-05ec-4180-8399-2fe9c5e68c88/sv-benchmarks/c/pthread-wmm/mix023_pso.opt.i [2021-10-13 06:44:22,912 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dd742b-05ec-4180-8399-2fe9c5e68c88/bin/utaipan-q2qaUkNPG8/data/958d27f19/1f98eab8d7de472da66f44bf61d50ec7/FLAG0f2616bd3 [2021-10-13 06:44:23,177 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dd742b-05ec-4180-8399-2fe9c5e68c88/bin/utaipan-q2qaUkNPG8/data/958d27f19/1f98eab8d7de472da66f44bf61d50ec7 [2021-10-13 06:44:23,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:44:23,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:44:23,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:44:23,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:44:23,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:44:23,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:23" (1/1) ... [2021-10-13 06:44:23,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b435050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:23, skipping insertion in model container [2021-10-13 06:44:23,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:23" (1/1) ... [2021-10-13 06:44:23,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:44:23,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:44:23,452 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_59dd742b-05ec-4180-8399-2fe9c5e68c88/sv-benchmarks/c/pthread-wmm/mix023_pso.opt.i[948,961] [2021-10-13 06:44:23,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:44:23,670 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:44:23,683 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_59dd742b-05ec-4180-8399-2fe9c5e68c88/sv-benchmarks/c/pthread-wmm/mix023_pso.opt.i[948,961] [2021-10-13 06:44:23,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:44:23,782 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:44:23,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:23 WrapperNode [2021-10-13 06:44:23,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:44:23,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:44:23,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:44:23,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:44:23,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:23" (1/1) ... [2021-10-13 06:44:23,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:23" (1/1) ... [2021-10-13 06:44:23,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:44:23,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:44:23,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:44:23,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:44:23,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:23" (1/1) ... [2021-10-13 06:44:23,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:23" (1/1) ... [2021-10-13 06:44:23,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:23" (1/1) ... [2021-10-13 06:44:23,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:23" (1/1) ... [2021-10-13 06:44:23,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:23" (1/1) ... [2021-10-13 06:44:23,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:23" (1/1) ... [2021-10-13 06:44:23,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:23" (1/1) ... [2021-10-13 06:44:23,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:44:23,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:44:23,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:44:23,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:44:23,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:23" (1/1) ... [2021-10-13 06:44:23,977 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:44:23,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dd742b-05ec-4180-8399-2fe9c5e68c88/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:44:24,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dd742b-05ec-4180-8399-2fe9c5e68c88/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:44:24,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dd742b-05ec-4180-8399-2fe9c5e68c88/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:44:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 06:44:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-13 06:44:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:44:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 06:44:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-13 06:44:24,063 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-13 06:44:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-13 06:44:24,064 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-13 06:44:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-13 06:44:24,064 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-13 06:44:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-10-13 06:44:24,064 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-10-13 06:44:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 06:44:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-13 06:44:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:44:24,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:44:24,067 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-13 06:44:25,984 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:44:25,984 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-13 06:44:25,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:25 BoogieIcfgContainer [2021-10-13 06:44:25,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:44:25,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:44:25,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:44:25,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:44:25,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:44:23" (1/3) ... [2021-10-13 06:44:25,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1152c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:44:25, skipping insertion in model container [2021-10-13 06:44:25,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:23" (2/3) ... [2021-10-13 06:44:25,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1152c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:44:25, skipping insertion in model container [2021-10-13 06:44:25,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:25" (3/3) ... [2021-10-13 06:44:26,000 INFO L111 eAbstractionObserver]: Analyzing ICFG mix023_pso.opt.i [2021-10-13 06:44:26,005 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-13 06:44:26,006 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:44:26,006 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-13 06:44:26,006 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-13 06:44:26,061 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,061 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,062 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,062 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,062 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,062 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,063 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,063 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,064 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,065 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,065 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,065 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,067 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,067 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,068 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,069 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,096 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,096 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,097 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,097 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,097 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,097 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,098 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,098 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,099 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,099 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,099 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,103 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,103 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,103 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,104 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,104 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,104 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,104 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,104 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,104 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,104 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,108 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,108 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,108 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,108 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,108 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,109 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,109 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,109 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,109 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,116 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,117 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,117 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,117 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,121 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,121 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,124 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,127 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,127 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,127 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,127 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,127 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,130 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,135 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,135 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,135 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,135 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,136 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,136 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,136 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,136 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:26,137 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-13 06:44:26,194 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:44:26,202 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=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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 [2021-10-13 06:44:26,202 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-13 06:44:26,231 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-13 06:44:26,246 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 129 transitions, 278 flow [2021-10-13 06:44:26,249 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 129 transitions, 278 flow [2021-10-13 06:44:26,281 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 129 transitions, 278 flow [2021-10-13 06:44:26,338 INFO L129 PetriNetUnfolder]: 2/125 cut-off events. [2021-10-13 06:44:26,338 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-13 06:44:26,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 125 events. 2/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 70 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2021-10-13 06:44:26,347 INFO L116 LiptonReduction]: Number of co-enabled transitions 2928 [2021-10-13 06:44:33,496 INFO L131 LiptonReduction]: Checked pairs total: 8890 [2021-10-13 06:44:33,497 INFO L133 LiptonReduction]: Total number of compositions: 107 [2021-10-13 06:44:33,506 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 34 transitions, 88 flow [2021-10-13 06:44:33,730 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3410 states, 3407 states have (on average 3.97006163780452) internal successors, (13526), 3409 states have internal predecessors, (13526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:33,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 3410 states, 3407 states have (on average 3.97006163780452) internal successors, (13526), 3409 states have internal predecessors, (13526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:33,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 06:44:33,754 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:33,755 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:33,755 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:33,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:33,762 INFO L82 PathProgramCache]: Analyzing trace with hash -22277838, now seen corresponding path program 1 times [2021-10-13 06:44:33,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:33,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127450332] [2021-10-13 06:44:33,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:33,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:34,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:34,140 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:34,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127450332] [2021-10-13 06:44:34,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127450332] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:34,141 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:34,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 06:44:34,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750065058] [2021-10-13 06:44:34,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:34,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:34,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:34,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:34,187 INFO L87 Difference]: Start difference. First operand has 3410 states, 3407 states have (on average 3.97006163780452) internal successors, (13526), 3409 states have internal predecessors, (13526), 0 states have call successors, (0), 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, 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) [2021-10-13 06:44:34,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:34,310 INFO L93 Difference]: Finished difference Result 2770 states and 10634 transitions. [2021-10-13 06:44:34,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:34,312 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 [2021-10-13 06:44:34,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:34,367 INFO L225 Difference]: With dead ends: 2770 [2021-10-13 06:44:34,367 INFO L226 Difference]: Without dead ends: 2650 [2021-10-13 06:44:34,368 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:34,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2021-10-13 06:44:34,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 2650. [2021-10-13 06:44:34,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2650 states, 2649 states have (on average 3.861079652699132) internal successors, (10228), 2649 states have internal predecessors, (10228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:34,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2650 states and 10228 transitions. [2021-10-13 06:44:34,630 INFO L78 Accepts]: Start accepts. Automaton has 2650 states and 10228 transitions. Word has length 7 [2021-10-13 06:44:34,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:34,631 INFO L470 AbstractCegarLoop]: Abstraction has 2650 states and 10228 transitions. [2021-10-13 06:44:34,631 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) [2021-10-13 06:44:34,631 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 10228 transitions. [2021-10-13 06:44:34,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 06:44:34,635 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:34,635 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:34,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 06:44:34,636 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:34,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:34,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1078218366, now seen corresponding path program 1 times [2021-10-13 06:44:34,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:34,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342553999] [2021-10-13 06:44:34,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:34,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:34,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:34,775 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:34,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342553999] [2021-10-13 06:44:34,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342553999] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:34,776 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:34,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 06:44:34,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786740350] [2021-10-13 06:44:34,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:34,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:34,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:34,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:34,778 INFO L87 Difference]: Start difference. First operand 2650 states and 10228 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2021-10-13 06:44:34,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:34,831 INFO L93 Difference]: Finished difference Result 2410 states and 9176 transitions. [2021-10-13 06:44:34,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:34,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 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 [2021-10-13 06:44:34,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:34,865 INFO L225 Difference]: With dead ends: 2410 [2021-10-13 06:44:34,865 INFO L226 Difference]: Without dead ends: 2410 [2021-10-13 06:44:34,866 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:34,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2410 states. [2021-10-13 06:44:34,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2410 to 2410. [2021-10-13 06:44:34,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2410 states, 2409 states have (on average 3.809049398090494) internal successors, (9176), 2409 states have internal predecessors, (9176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:35,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2410 states and 9176 transitions. [2021-10-13 06:44:35,084 INFO L78 Accepts]: Start accepts. Automaton has 2410 states and 9176 transitions. Word has length 11 [2021-10-13 06:44:35,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:35,084 INFO L470 AbstractCegarLoop]: Abstraction has 2410 states and 9176 transitions. [2021-10-13 06:44:35,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2021-10-13 06:44:35,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 9176 transitions. [2021-10-13 06:44:35,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 06:44:35,094 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:35,094 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:35,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 06:44:35,095 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:35,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:35,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1520181767, now seen corresponding path program 1 times [2021-10-13 06:44:35,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:35,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720848766] [2021-10-13 06:44:35,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:35,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:35,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:35,256 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:35,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720848766] [2021-10-13 06:44:35,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720848766] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:35,257 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:35,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 06:44:35,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955858592] [2021-10-13 06:44:35,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:35,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:35,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:35,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:35,263 INFO L87 Difference]: Start difference. First operand 2410 states and 9176 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) 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) [2021-10-13 06:44:35,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:35,359 INFO L93 Difference]: Finished difference Result 3442 states and 12726 transitions. [2021-10-13 06:44:35,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:44:35,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) 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 [2021-10-13 06:44:35,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:35,395 INFO L225 Difference]: With dead ends: 3442 [2021-10-13 06:44:35,395 INFO L226 Difference]: Without dead ends: 3154 [2021-10-13 06:44:35,395 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:35,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3154 states. [2021-10-13 06:44:35,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3154 to 2578. [2021-10-13 06:44:35,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2578 states, 2577 states have (on average 3.7229336437718277) internal successors, (9594), 2577 states have internal predecessors, (9594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:35,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2578 states and 9594 transitions. [2021-10-13 06:44:35,594 INFO L78 Accepts]: Start accepts. Automaton has 2578 states and 9594 transitions. Word has length 13 [2021-10-13 06:44:35,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:35,595 INFO L470 AbstractCegarLoop]: Abstraction has 2578 states and 9594 transitions. [2021-10-13 06:44:35,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) 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) [2021-10-13 06:44:35,595 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states and 9594 transitions. [2021-10-13 06:44:35,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 06:44:35,606 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:35,606 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:35,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 06:44:35,606 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:35,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:35,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1612687636, now seen corresponding path program 1 times [2021-10-13 06:44:35,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:35,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733102969] [2021-10-13 06:44:35,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:35,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:35,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:35,719 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:35,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733102969] [2021-10-13 06:44:35,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733102969] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:35,719 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:35,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:35,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121533164] [2021-10-13 06:44:35,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:35,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:35,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:35,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:35,721 INFO L87 Difference]: Start difference. First operand 2578 states and 9594 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:35,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:35,781 INFO L93 Difference]: Finished difference Result 2658 states and 8968 transitions. [2021-10-13 06:44:35,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:44:35,782 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2021-10-13 06:44:35,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:35,800 INFO L225 Difference]: With dead ends: 2658 [2021-10-13 06:44:35,800 INFO L226 Difference]: Without dead ends: 1962 [2021-10-13 06:44:35,800 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:35,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2021-10-13 06:44:35,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1962. [2021-10-13 06:44:35,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1962 states, 1961 states have (on average 3.3360530341662415) internal successors, (6542), 1961 states have internal predecessors, (6542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:35,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 6542 transitions. [2021-10-13 06:44:35,877 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 6542 transitions. Word has length 15 [2021-10-13 06:44:35,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:35,877 INFO L470 AbstractCegarLoop]: Abstraction has 1962 states and 6542 transitions. [2021-10-13 06:44:35,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:35,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 6542 transitions. [2021-10-13 06:44:35,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 06:44:35,881 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:35,882 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:35,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 06:44:35,882 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:35,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:35,882 INFO L82 PathProgramCache]: Analyzing trace with hash -223734425, now seen corresponding path program 1 times [2021-10-13 06:44:35,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:35,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478819606] [2021-10-13 06:44:35,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:35,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:36,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:36,036 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:36,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478819606] [2021-10-13 06:44:36,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478819606] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:36,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:36,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 06:44:36,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668227959] [2021-10-13 06:44:36,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:44:36,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:36,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:44:36,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:36,038 INFO L87 Difference]: Start difference. First operand 1962 states and 6542 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:36,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:36,097 INFO L93 Difference]: Finished difference Result 1700 states and 5220 transitions. [2021-10-13 06:44:36,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:44:36,098 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-10-13 06:44:36,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:36,109 INFO L225 Difference]: With dead ends: 1700 [2021-10-13 06:44:36,109 INFO L226 Difference]: Without dead ends: 1276 [2021-10-13 06:44:36,110 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 16.0ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:36,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2021-10-13 06:44:36,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1266. [2021-10-13 06:44:36,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 3.0134387351778655) internal successors, (3812), 1265 states have internal predecessors, (3812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:36,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 3812 transitions. [2021-10-13 06:44:36,155 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 3812 transitions. Word has length 17 [2021-10-13 06:44:36,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:36,156 INFO L470 AbstractCegarLoop]: Abstraction has 1266 states and 3812 transitions. [2021-10-13 06:44:36,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:36,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 3812 transitions. [2021-10-13 06:44:36,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 06:44:36,159 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:36,160 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:36,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 06:44:36,160 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:36,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:36,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1862008305, now seen corresponding path program 1 times [2021-10-13 06:44:36,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:36,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755664723] [2021-10-13 06:44:36,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:36,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:36,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:36,257 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:36,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755664723] [2021-10-13 06:44:36,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755664723] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:36,257 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:36,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:36,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837262880] [2021-10-13 06:44:36,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:36,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:36,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:36,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:36,259 INFO L87 Difference]: Start difference. First operand 1266 states and 3812 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 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) [2021-10-13 06:44:36,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:36,315 INFO L93 Difference]: Finished difference Result 2189 states and 6464 transitions. [2021-10-13 06:44:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:44:36,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 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 [2021-10-13 06:44:36,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:36,328 INFO L225 Difference]: With dead ends: 2189 [2021-10-13 06:44:36,328 INFO L226 Difference]: Without dead ends: 1619 [2021-10-13 06:44:36,329 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:36,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2021-10-13 06:44:36,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1238. [2021-10-13 06:44:36,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1238 states, 1237 states have (on average 2.8771220695230397) internal successors, (3559), 1237 states have internal predecessors, (3559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:36,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1238 states and 3559 transitions. [2021-10-13 06:44:36,402 INFO L78 Accepts]: Start accepts. Automaton has 1238 states and 3559 transitions. Word has length 20 [2021-10-13 06:44:36,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:36,402 INFO L470 AbstractCegarLoop]: Abstraction has 1238 states and 3559 transitions. [2021-10-13 06:44:36,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 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) [2021-10-13 06:44:36,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 3559 transitions. [2021-10-13 06:44:36,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 06:44:36,406 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:36,407 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:36,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 06:44:36,407 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:36,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:36,408 INFO L82 PathProgramCache]: Analyzing trace with hash -623168518, now seen corresponding path program 1 times [2021-10-13 06:44:36,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:36,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946794553] [2021-10-13 06:44:36,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:36,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:36,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:36,613 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:36,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946794553] [2021-10-13 06:44:36,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946794553] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:36,614 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:36,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 06:44:36,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551892706] [2021-10-13 06:44:36,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:44:36,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:36,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:44:36,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:36,616 INFO L87 Difference]: Start difference. First operand 1238 states and 3559 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 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) [2021-10-13 06:44:36,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:36,677 INFO L93 Difference]: Finished difference Result 1095 states and 3109 transitions. [2021-10-13 06:44:36,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 06:44:36,678 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 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 [2021-10-13 06:44:36,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:36,686 INFO L225 Difference]: With dead ends: 1095 [2021-10-13 06:44:36,686 INFO L226 Difference]: Without dead ends: 943 [2021-10-13 06:44:36,686 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.3ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:44:36,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2021-10-13 06:44:36,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 907. [2021-10-13 06:44:36,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 906 states have (on average 2.883002207505519) internal successors, (2612), 906 states have internal predecessors, (2612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:36,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 2612 transitions. [2021-10-13 06:44:36,726 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 2612 transitions. Word has length 20 [2021-10-13 06:44:36,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:36,726 INFO L470 AbstractCegarLoop]: Abstraction has 907 states and 2612 transitions. [2021-10-13 06:44:36,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 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) [2021-10-13 06:44:36,726 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 2612 transitions. [2021-10-13 06:44:36,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 06:44:36,730 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:36,730 INFO L512 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] [2021-10-13 06:44:36,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 06:44:36,731 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:36,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:36,731 INFO L82 PathProgramCache]: Analyzing trace with hash -510012882, now seen corresponding path program 1 times [2021-10-13 06:44:36,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:36,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777374209] [2021-10-13 06:44:36,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:36,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:36,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:36,848 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:36,848 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777374209] [2021-10-13 06:44:36,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777374209] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:36,849 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:36,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 06:44:36,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614478421] [2021-10-13 06:44:36,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:44:36,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:36,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:44:36,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:36,851 INFO L87 Difference]: Start difference. First operand 907 states and 2612 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 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) [2021-10-13 06:44:36,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:36,948 INFO L93 Difference]: Finished difference Result 1511 states and 4277 transitions. [2021-10-13 06:44:36,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:44:36,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 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 [2021-10-13 06:44:36,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:36,954 INFO L225 Difference]: With dead ends: 1511 [2021-10-13 06:44:36,954 INFO L226 Difference]: Without dead ends: 1062 [2021-10-13 06:44:36,954 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.4ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:44:36,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2021-10-13 06:44:36,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 777. [2021-10-13 06:44:36,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 776 states have (on average 2.6945876288659796) internal successors, (2091), 776 states have internal predecessors, (2091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:36,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 2091 transitions. [2021-10-13 06:44:36,989 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 2091 transitions. Word has length 23 [2021-10-13 06:44:36,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:36,989 INFO L470 AbstractCegarLoop]: Abstraction has 777 states and 2091 transitions. [2021-10-13 06:44:36,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 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) [2021-10-13 06:44:36,990 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 2091 transitions. [2021-10-13 06:44:36,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 06:44:36,992 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:36,993 INFO L512 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] [2021-10-13 06:44:36,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 06:44:36,993 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:36,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:36,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1572065966, now seen corresponding path program 2 times [2021-10-13 06:44:36,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:36,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842792376] [2021-10-13 06:44:36,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:36,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:37,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:37,154 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:37,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842792376] [2021-10-13 06:44:37,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842792376] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:37,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:37,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 06:44:37,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973994949] [2021-10-13 06:44:37,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 06:44:37,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:37,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 06:44:37,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:44:37,159 INFO L87 Difference]: Start difference. First operand 777 states and 2091 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 6 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) [2021-10-13 06:44:37,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:37,243 INFO L93 Difference]: Finished difference Result 749 states and 2036 transitions. [2021-10-13 06:44:37,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 06:44:37,243 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 6 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 [2021-10-13 06:44:37,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:37,246 INFO L225 Difference]: With dead ends: 749 [2021-10-13 06:44:37,246 INFO L226 Difference]: Without dead ends: 208 [2021-10-13 06:44:37,247 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 25.8ms TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:44:37,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-10-13 06:44:37,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 190. [2021-10-13 06:44:37,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 2.4708994708994707) internal successors, (467), 189 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) [2021-10-13 06:44:37,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 467 transitions. [2021-10-13 06:44:37,252 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 467 transitions. Word has length 23 [2021-10-13 06:44:37,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:37,252 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 467 transitions. [2021-10-13 06:44:37,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 6 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) [2021-10-13 06:44:37,253 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 467 transitions. [2021-10-13 06:44:37,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 06:44:37,254 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:37,254 INFO L512 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] [2021-10-13 06:44:37,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 06:44:37,255 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:37,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:37,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1762307343, now seen corresponding path program 1 times [2021-10-13 06:44:37,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:37,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467050954] [2021-10-13 06:44:37,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:37,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:37,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:37,533 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:37,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467050954] [2021-10-13 06:44:37,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467050954] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:37,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:37,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 06:44:37,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681572330] [2021-10-13 06:44:37,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 06:44:37,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:37,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 06:44:37,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:44:37,535 INFO L87 Difference]: Start difference. First operand 190 states and 467 transitions. Second operand has 7 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) [2021-10-13 06:44:37,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:37,637 INFO L93 Difference]: Finished difference Result 216 states and 521 transitions. [2021-10-13 06:44:37,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 06:44:37,638 INFO L78 Accepts]: Start accepts. Automaton has has 7 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 [2021-10-13 06:44:37,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:37,639 INFO L225 Difference]: With dead ends: 216 [2021-10-13 06:44:37,639 INFO L226 Difference]: Without dead ends: 132 [2021-10-13 06:44:37,639 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 68.8ms TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:44:37,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-13 06:44:37,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2021-10-13 06:44:37,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 2.2977099236641223) internal successors, (301), 131 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:37,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 301 transitions. [2021-10-13 06:44:37,643 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 301 transitions. Word has length 27 [2021-10-13 06:44:37,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:37,644 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 301 transitions. [2021-10-13 06:44:37,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 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) [2021-10-13 06:44:37,644 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 301 transitions. [2021-10-13 06:44:37,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 06:44:37,645 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:37,645 INFO L512 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] [2021-10-13 06:44:37,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 06:44:37,645 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:37,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:37,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1804025295, now seen corresponding path program 2 times [2021-10-13 06:44:37,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:37,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028696913] [2021-10-13 06:44:37,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:37,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 06:44:37,708 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 06:44:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 06:44:37,805 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 06:44:37,805 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 06:44:37,806 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:44:37,808 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:44:37,808 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-13 06:44:37,809 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-13 06:44:37,809 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-13 06:44:37,809 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-13 06:44:37,809 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:44:37,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 06:44:37,815 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-13 06:44:37,816 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 06:44:37,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:44:37 BasicIcfg [2021-10-13 06:44:37,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 06:44:37,951 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 06:44:37,952 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 06:44:37,952 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 06:44:37,952 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:25" (3/4) ... [2021-10-13 06:44:37,954 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 06:44:38,138 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dd742b-05ec-4180-8399-2fe9c5e68c88/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 06:44:38,138 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 06:44:38,140 INFO L168 Benchmark]: Toolchain (without parser) took 14958.05 ms. Allocated memory was 111.1 MB in the beginning and 343.9 MB in the end (delta: 232.8 MB). Free memory was 78.3 MB in the beginning and 226.2 MB in the end (delta: -147.9 MB). Peak memory consumption was 184.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:38,140 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 111.1 MB. Free memory is still 64.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:44:38,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.41 ms. Allocated memory was 111.1 MB in the beginning and 151.0 MB in the end (delta: 39.8 MB). Free memory was 77.9 MB in the beginning and 111.1 MB in the end (delta: -33.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:38,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.86 ms. Allocated memory is still 151.0 MB. Free memory was 111.1 MB in the beginning and 108.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:38,142 INFO L168 Benchmark]: Boogie Preprocessor took 70.32 ms. Allocated memory is still 151.0 MB. Free memory was 108.4 MB in the beginning and 106.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:38,142 INFO L168 Benchmark]: RCFGBuilder took 2021.28 ms. Allocated memory is still 151.0 MB. Free memory was 106.3 MB in the beginning and 75.5 MB in the end (delta: 30.8 MB). Peak memory consumption was 54.5 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:38,142 INFO L168 Benchmark]: TraceAbstraction took 11959.92 ms. Allocated memory was 151.0 MB in the beginning and 343.9 MB in the end (delta: 192.9 MB). Free memory was 74.6 MB in the beginning and 134.1 MB in the end (delta: -59.5 MB). Peak memory consumption was 133.0 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:38,143 INFO L168 Benchmark]: Witness Printer took 186.94 ms. Allocated memory is still 343.9 MB. Free memory was 134.1 MB in the beginning and 226.2 MB in the end (delta: -92.1 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:38,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 111.1 MB. Free memory is still 64.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 600.41 ms. Allocated memory was 111.1 MB in the beginning and 151.0 MB in the end (delta: 39.8 MB). Free memory was 77.9 MB in the beginning and 111.1 MB in the end (delta: -33.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.86 ms. Allocated memory is still 151.0 MB. Free memory was 111.1 MB in the beginning and 108.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.32 ms. Allocated memory is still 151.0 MB. Free memory was 108.4 MB in the beginning and 106.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2021.28 ms. Allocated memory is still 151.0 MB. Free memory was 106.3 MB in the beginning and 75.5 MB in the end (delta: 30.8 MB). Peak memory consumption was 54.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11959.92 ms. Allocated memory was 151.0 MB in the beginning and 343.9 MB in the end (delta: 192.9 MB). Free memory was 74.6 MB in the beginning and 134.1 MB in the end (delta: -59.5 MB). Peak memory consumption was 133.0 MB. Max. memory is 16.1 GB. * Witness Printer took 186.94 ms. Allocated memory is still 343.9 MB. Free memory was 134.1 MB in the beginning and 226.2 MB in the end (delta: -92.1 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7247.9ms, 140 PlacesBefore, 46 PlacesAfterwards, 129 TransitionsBefore, 34 TransitionsAfterwards, 2928 CoEnabledTransitionPairs, 8 FixpointIterations, 43 TrivialSequentialCompositions, 57 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 107 TotalNumberOfCompositions, 8890 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4083, positive: 3826, positive conditional: 0, positive unconditional: 3826, negative: 257, negative conditional: 0, negative unconditional: 257, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2103, positive: 2033, positive conditional: 0, positive unconditional: 2033, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2103, positive: 1998, positive conditional: 0, positive unconditional: 1998, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 105, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 605, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 520, negative conditional: 0, negative unconditional: 520, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4083, positive: 1793, positive conditional: 0, positive unconditional: 1793, negative: 187, negative conditional: 0, negative unconditional: 187, unknown: 2103, unknown conditional: 0, unknown unconditional: 2103] , Statistics on independence cache: Total cache size (in pairs): 244, Positive cache size: 210, Positive conditional cache size: 0, Positive unconditional cache size: 210, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L714] 0 int __unbuffered_p1_EBX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L726] 0 int y = 0; [L727] 0 _Bool y$flush_delayed; [L728] 0 int y$mem_tmp; [L729] 0 _Bool y$r_buff0_thd0; [L730] 0 _Bool y$r_buff0_thd1; [L731] 0 _Bool y$r_buff0_thd2; [L732] 0 _Bool y$r_buff0_thd3; [L733] 0 _Bool y$r_buff0_thd4; [L734] 0 _Bool y$r_buff1_thd0; [L735] 0 _Bool y$r_buff1_thd1; [L736] 0 _Bool y$r_buff1_thd2; [L737] 0 _Bool y$r_buff1_thd3; [L738] 0 _Bool y$r_buff1_thd4; [L739] 0 _Bool y$read_delayed; [L740] 0 int *y$read_delayed_var; [L741] 0 int y$w_buff0; [L742] 0 _Bool y$w_buff0_used; [L743] 0 int y$w_buff1; [L744] 0 _Bool y$w_buff1_used; [L746] 0 int z = 0; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L859] 0 pthread_t t613; [L860] FCALL, FORK 0 pthread_create(&t613, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L861] 0 pthread_t t614; [L862] FCALL, FORK 0 pthread_create(&t614, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L863] 0 pthread_t t615; [L864] FCALL, FORK 0 pthread_create(&t615, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L798] 3 y$w_buff1 = y$w_buff0 [L799] 3 y$w_buff0 = 1 [L800] 3 y$w_buff1_used = y$w_buff0_used [L801] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L803] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L804] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L805] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L806] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L807] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L808] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L811] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L865] 0 pthread_t t616; [L866] FCALL, FORK 0 pthread_create(&t616, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L828] 4 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L831] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L834] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L837] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L837] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L837] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L837] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L838] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L838] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L839] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L839] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L840] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L840] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L841] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L841] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L844] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L846] 4 return 0; [L752] 1 a = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L755] 1 x = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L762] 1 return 0; [L767] 2 x = 2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L770] 2 __unbuffered_p1_EAX = x VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L773] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L774] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L775] 2 y$flush_delayed = weak$$choice2 [L776] 2 y$mem_tmp = y [L777] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L777] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L778] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L778] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L779] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L779] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L780] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L780] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L781] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L782] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L783] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L784] 2 __unbuffered_p1_EBX = y [L785] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L785] 2 y = y$flush_delayed ? y$mem_tmp : y [L786] 2 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L791] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L793] 2 return 0; [L814] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L814] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L815] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L815] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L816] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L816] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L817] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L817] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L818] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L818] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L821] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L823] 3 return 0; [L868] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L872] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L872] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L872] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L872] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L873] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L873] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L874] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L874] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L875] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L875] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L876] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L876] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L879] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 860]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 862]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 866]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 864]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 165 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 11620.1ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 65.6ms, AutomataDifference: 1035.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7528.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 374 SDtfs, 580 SDslu, 680 SDs, 0 SdLazy, 247 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 331.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 214.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=3410occurred in iteration=0, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 940.5ms AutomataMinimizationTime, 10 MinimizatonAttempts, 1306 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 61.1ms SsaConstructionTime, 636.6ms SatisfiabilityAnalysisTime, 975.8ms InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 1065 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 proved your program to be incorrect! [2021-10-13 06:44:38,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dd742b-05ec-4180-8399-2fe9c5e68c88/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...