./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label13.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a19424d0456c6718774c0e7f98c7314f15d1f859d3e4c4b58b43cec62bc198b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:19:51,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:19:51,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:19:51,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:19:51,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:19:51,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:19:51,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:19:51,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:19:51,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:19:51,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:19:51,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:19:51,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:19:51,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:19:51,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:19:51,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:19:51,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:19:51,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:19:51,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:19:51,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:19:51,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:19:51,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:19:51,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:19:51,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:19:51,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:19:51,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:19:51,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:19:51,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:19:51,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:19:51,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:19:51,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:19:51,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:19:51,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:19:51,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:19:51,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:19:51,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:19:51,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:19:51,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:19:51,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:19:51,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:19:51,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:19:51,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:19:51,859 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 12:19:51,904 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:19:51,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:19:51,905 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:19:51,906 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:19:51,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:19:51,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:19:51,916 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:19:51,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:19:51,916 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 12:19:51,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:19:51,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 12:19:51,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:19:51,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 12:19:51,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 12:19:51,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 12:19:51,919 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 12:19:51,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 12:19:51,919 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:19:51,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 12:19:51,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:19:51,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:19:51,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 12:19:51,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:19:51,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:19:51,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 12:19:51,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 12:19:51,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 12:19:51,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 12:19:51,922 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 12:19:51,924 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 12:19:51,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 12:19:51,925 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:19:51,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a19424d0456c6718774c0e7f98c7314f15d1f859d3e4c4b58b43cec62bc198b [2021-11-23 12:19:52,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:19:52,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:19:52,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:19:52,276 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:19:52,277 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:19:52,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/eca-rers2012/Problem15_label13.c [2021-11-23 12:19:52,361 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/data/f0fd11abb/a1c39893be20404caa73b5a8184b27fc/FLAG9d72a06a9 [2021-11-23 12:19:53,175 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:19:53,175 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/sv-benchmarks/c/eca-rers2012/Problem15_label13.c [2021-11-23 12:19:53,200 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/data/f0fd11abb/a1c39893be20404caa73b5a8184b27fc/FLAG9d72a06a9 [2021-11-23 12:19:53,236 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/data/f0fd11abb/a1c39893be20404caa73b5a8184b27fc [2021-11-23 12:19:53,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:19:53,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:19:53,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:19:53,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:19:53,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:19:53,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:19:53" (1/1) ... [2021-11-23 12:19:53,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a1ecd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:53, skipping insertion in model container [2021-11-23 12:19:53,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:19:53" (1/1) ... [2021-11-23 12:19:53,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:19:53,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:19:53,700 WARN L230 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_ebc76850-2246-44f8-82f4-c4300b532a4f/sv-benchmarks/c/eca-rers2012/Problem15_label13.c[5940,5953] [2021-11-23 12:19:54,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:19:54,366 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 12:19:54,416 WARN L230 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_ebc76850-2246-44f8-82f4-c4300b532a4f/sv-benchmarks/c/eca-rers2012/Problem15_label13.c[5940,5953] [2021-11-23 12:19:54,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:19:54,699 INFO L208 MainTranslator]: Completed translation [2021-11-23 12:19:54,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:54 WrapperNode [2021-11-23 12:19:54,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:19:54,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 12:19:54,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 12:19:54,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 12:19:54,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:54" (1/1) ... [2021-11-23 12:19:54,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:54" (1/1) ... [2021-11-23 12:19:54,984 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2021-11-23 12:19:54,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 12:19:54,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 12:19:54,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 12:19:54,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 12:19:54,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:54" (1/1) ... [2021-11-23 12:19:54,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:54" (1/1) ... [2021-11-23 12:19:55,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:54" (1/1) ... [2021-11-23 12:19:55,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:54" (1/1) ... [2021-11-23 12:19:55,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:54" (1/1) ... [2021-11-23 12:19:55,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:54" (1/1) ... [2021-11-23 12:19:55,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:54" (1/1) ... [2021-11-23 12:19:55,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 12:19:55,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 12:19:55,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 12:19:55,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 12:19:55,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:54" (1/1) ... [2021-11-23 12:19:55,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:19:55,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:19:55,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 12:19:55,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 12:19:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 12:19:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 12:19:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 12:19:55,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 12:19:55,375 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 12:19:55,377 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 12:19:58,823 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 12:19:58,847 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 12:19:58,847 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 12:19:58,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:19:58 BoogieIcfgContainer [2021-11-23 12:19:58,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 12:19:58,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 12:19:58,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 12:19:58,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 12:19:58,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:19:53" (1/3) ... [2021-11-23 12:19:58,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@adc72c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:19:58, skipping insertion in model container [2021-11-23 12:19:58,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:54" (2/3) ... [2021-11-23 12:19:58,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@adc72c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:19:58, skipping insertion in model container [2021-11-23 12:19:58,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:19:58" (3/3) ... [2021-11-23 12:19:58,866 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label13.c [2021-11-23 12:19:58,877 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 12:19:58,877 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 12:19:58,960 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 12:19:58,971 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-11-23 12:19:58,971 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 12:19:59,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:19:59,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 12:19:59,037 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:19:59,037 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:19:59,038 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:19:59,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:19:59,045 INFO L85 PathProgramCache]: Analyzing trace with hash 563919826, now seen corresponding path program 1 times [2021-11-23 12:19:59,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:19:59,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761357453] [2021-11-23 12:19:59,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:19:59,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:19:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:19:59,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:19:59,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:19:59,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761357453] [2021-11-23 12:19:59,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761357453] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:19:59,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:19:59,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 12:19:59,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67232989] [2021-11-23 12:19:59,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:19:59,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:19:59,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:19:59,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:19:59,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:19:59,482 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:02,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:20:02,181 INFO L93 Difference]: Finished difference Result 1155 states and 2106 transitions. [2021-11-23 12:20:02,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:20:02,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-11-23 12:20:02,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:20:02,203 INFO L225 Difference]: With dead ends: 1155 [2021-11-23 12:20:02,204 INFO L226 Difference]: Without dead ends: 667 [2021-11-23 12:20:02,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:02,214 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 296 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-23 12:20:02,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [296 Valid, 371 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-23 12:20:02,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2021-11-23 12:20:02,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 665. [2021-11-23 12:20:02,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 664 states have (on average 1.4789156626506024) internal successors, (982), 664 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:02,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 982 transitions. [2021-11-23 12:20:02,314 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 982 transitions. Word has length 48 [2021-11-23 12:20:02,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:20:02,315 INFO L470 AbstractCegarLoop]: Abstraction has 665 states and 982 transitions. [2021-11-23 12:20:02,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:02,315 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 982 transitions. [2021-11-23 12:20:02,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-23 12:20:02,323 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:20:02,323 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:20:02,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 12:20:02,325 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:20:02,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:20:02,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1552038125, now seen corresponding path program 1 times [2021-11-23 12:20:02,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:20:02,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521900054] [2021-11-23 12:20:02,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:02,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:20:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:02,646 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:20:02,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:20:02,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521900054] [2021-11-23 12:20:02,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521900054] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:20:02,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:20:02,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 12:20:02,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632087716] [2021-11-23 12:20:02,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:20:02,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:20:02,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:20:02,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:20:02,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:02,652 INFO L87 Difference]: Start difference. First operand 665 states and 982 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:05,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:20:05,588 INFO L93 Difference]: Finished difference Result 1953 states and 2893 transitions. [2021-11-23 12:20:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:20:05,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2021-11-23 12:20:05,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:20:05,598 INFO L225 Difference]: With dead ends: 1953 [2021-11-23 12:20:05,598 INFO L226 Difference]: Without dead ends: 1290 [2021-11-23 12:20:05,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:05,605 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 256 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-23 12:20:05,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 326 Invalid, 1249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-23 12:20:05,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2021-11-23 12:20:05,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1282. [2021-11-23 12:20:05,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1281 states have (on average 1.3981264637002342) internal successors, (1791), 1281 states have internal predecessors, (1791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:05,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1791 transitions. [2021-11-23 12:20:05,662 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1791 transitions. Word has length 123 [2021-11-23 12:20:05,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:20:05,663 INFO L470 AbstractCegarLoop]: Abstraction has 1282 states and 1791 transitions. [2021-11-23 12:20:05,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:05,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1791 transitions. [2021-11-23 12:20:05,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-23 12:20:05,670 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:20:05,671 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:20:05,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 12:20:05,671 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:20:05,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:20:05,672 INFO L85 PathProgramCache]: Analyzing trace with hash 2128009123, now seen corresponding path program 1 times [2021-11-23 12:20:05,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:20:05,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946560] [2021-11-23 12:20:05,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:05,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:20:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:05,772 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:20:05,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:20:05,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946560] [2021-11-23 12:20:05,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946560] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:20:05,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:20:05,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 12:20:05,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585059923] [2021-11-23 12:20:05,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:20:05,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:20:05,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:20:05,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:20:05,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:05,776 INFO L87 Difference]: Start difference. First operand 1282 states and 1791 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:08,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:20:08,305 INFO L93 Difference]: Finished difference Result 3764 states and 5260 transitions. [2021-11-23 12:20:08,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:20:08,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2021-11-23 12:20:08,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:20:08,326 INFO L225 Difference]: With dead ends: 3764 [2021-11-23 12:20:08,326 INFO L226 Difference]: Without dead ends: 2484 [2021-11-23 12:20:08,329 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:08,331 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 236 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-23 12:20:08,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 366 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-23 12:20:08,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2021-11-23 12:20:08,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2182. [2021-11-23 12:20:08,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2181 states have (on average 1.2810637322329206) internal successors, (2794), 2181 states have internal predecessors, (2794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:08,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2794 transitions. [2021-11-23 12:20:08,420 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2794 transitions. Word has length 127 [2021-11-23 12:20:08,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:20:08,421 INFO L470 AbstractCegarLoop]: Abstraction has 2182 states and 2794 transitions. [2021-11-23 12:20:08,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:08,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2794 transitions. [2021-11-23 12:20:08,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-23 12:20:08,427 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:20:08,427 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:20:08,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 12:20:08,428 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:20:08,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:20:08,429 INFO L85 PathProgramCache]: Analyzing trace with hash -556771401, now seen corresponding path program 1 times [2021-11-23 12:20:08,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:20:08,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445843404] [2021-11-23 12:20:08,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:08,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:20:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:08,724 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-23 12:20:08,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:20:08,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445843404] [2021-11-23 12:20:08,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445843404] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:20:08,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:20:08,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 12:20:08,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984495890] [2021-11-23 12:20:08,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:20:08,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:20:08,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:20:08,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:20:08,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:08,740 INFO L87 Difference]: Start difference. First operand 2182 states and 2794 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:10,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:20:10,749 INFO L93 Difference]: Finished difference Result 6166 states and 7958 transitions. [2021-11-23 12:20:10,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:20:10,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 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 218 [2021-11-23 12:20:10,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:20:10,776 INFO L225 Difference]: With dead ends: 6166 [2021-11-23 12:20:10,776 INFO L226 Difference]: Without dead ends: 3986 [2021-11-23 12:20:10,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:10,793 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 12:20:10,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 12:20:10,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3986 states. [2021-11-23 12:20:10,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3986 to 3682. [2021-11-23 12:20:10,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3682 states, 3681 states have (on average 1.219505569138821) internal successors, (4489), 3681 states have internal predecessors, (4489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:10,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3682 states to 3682 states and 4489 transitions. [2021-11-23 12:20:10,922 INFO L78 Accepts]: Start accepts. Automaton has 3682 states and 4489 transitions. Word has length 218 [2021-11-23 12:20:10,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:20:10,924 INFO L470 AbstractCegarLoop]: Abstraction has 3682 states and 4489 transitions. [2021-11-23 12:20:10,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:10,924 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 4489 transitions. [2021-11-23 12:20:10,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-23 12:20:10,933 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:20:10,935 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:20:10,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 12:20:10,936 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:20:10,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:20:10,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1996023235, now seen corresponding path program 1 times [2021-11-23 12:20:10,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:20:10,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133848825] [2021-11-23 12:20:10,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:10,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:20:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:11,252 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 12:20:11,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:20:11,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133848825] [2021-11-23 12:20:11,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133848825] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:20:11,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:20:11,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 12:20:11,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917958955] [2021-11-23 12:20:11,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:20:11,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:20:11,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:20:11,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:20:11,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:11,256 INFO L87 Difference]: Start difference. First operand 3682 states and 4489 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:13,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:20:13,038 INFO L93 Difference]: Finished difference Result 7661 states and 9287 transitions. [2021-11-23 12:20:13,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:20:13,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 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 320 [2021-11-23 12:20:13,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:20:13,059 INFO L225 Difference]: With dead ends: 7661 [2021-11-23 12:20:13,060 INFO L226 Difference]: Without dead ends: 3981 [2021-11-23 12:20:13,064 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:13,066 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 12:20:13,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 12:20:13,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3981 states. [2021-11-23 12:20:13,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3981 to 3981. [2021-11-23 12:20:13,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3981 states, 3980 states have (on average 1.2045226130653266) internal successors, (4794), 3980 states have internal predecessors, (4794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:13,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 3981 states and 4794 transitions. [2021-11-23 12:20:13,202 INFO L78 Accepts]: Start accepts. Automaton has 3981 states and 4794 transitions. Word has length 320 [2021-11-23 12:20:13,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:20:13,203 INFO L470 AbstractCegarLoop]: Abstraction has 3981 states and 4794 transitions. [2021-11-23 12:20:13,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:13,205 INFO L276 IsEmpty]: Start isEmpty. Operand 3981 states and 4794 transitions. [2021-11-23 12:20:13,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-23 12:20:13,216 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:20:13,217 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:20:13,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 12:20:13,218 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:20:13,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:20:13,220 INFO L85 PathProgramCache]: Analyzing trace with hash -2113612274, now seen corresponding path program 1 times [2021-11-23 12:20:13,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:20:13,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305317904] [2021-11-23 12:20:13,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:13,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:20:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-23 12:20:13,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:20:13,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305317904] [2021-11-23 12:20:13,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305317904] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:20:13,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:20:13,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:20:13,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476054262] [2021-11-23 12:20:13,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:20:13,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:20:13,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:20:13,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:20:13,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:13,471 INFO L87 Difference]: Start difference. First operand 3981 states and 4794 transitions. Second operand has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:15,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:20:15,756 INFO L93 Difference]: Finished difference Result 9465 states and 11668 transitions. [2021-11-23 12:20:15,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:20:15,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 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 335 [2021-11-23 12:20:15,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:20:15,786 INFO L225 Difference]: With dead ends: 9465 [2021-11-23 12:20:15,786 INFO L226 Difference]: Without dead ends: 5785 [2021-11-23 12:20:15,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:15,793 INFO L933 BasicCegarLoop]: 632 mSDtfsCounter, 268 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 12:20:15,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 671 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 12:20:15,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5785 states. [2021-11-23 12:20:15,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5785 to 5783. [2021-11-23 12:20:15,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5783 states, 5782 states have (on average 1.1672431684538223) internal successors, (6749), 5782 states have internal predecessors, (6749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:15,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5783 states to 5783 states and 6749 transitions. [2021-11-23 12:20:15,931 INFO L78 Accepts]: Start accepts. Automaton has 5783 states and 6749 transitions. Word has length 335 [2021-11-23 12:20:15,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:20:15,932 INFO L470 AbstractCegarLoop]: Abstraction has 5783 states and 6749 transitions. [2021-11-23 12:20:15,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:15,933 INFO L276 IsEmpty]: Start isEmpty. Operand 5783 states and 6749 transitions. [2021-11-23 12:20:15,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2021-11-23 12:20:15,942 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:20:15,943 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:20:15,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 12:20:15,944 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:20:15,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:20:15,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1950480271, now seen corresponding path program 1 times [2021-11-23 12:20:15,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:20:15,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078754751] [2021-11-23 12:20:15,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:15,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:20:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:16,477 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 91 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:20:16,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:20:16,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078754751] [2021-11-23 12:20:16,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078754751] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 12:20:16,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421706842] [2021-11-23 12:20:16,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:16,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:20:16,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:20:16,484 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:20:16,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 12:20:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:16,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 12:20:16,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:20:17,725 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:20:17,725 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 12:20:17,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421706842] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:20:17,726 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 12:20:17,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-11-23 12:20:17,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176089692] [2021-11-23 12:20:17,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:20:17,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:20:17,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:20:17,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:20:17,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 12:20:17,731 INFO L87 Difference]: Start difference. First operand 5783 states and 6749 transitions. Second operand has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:20,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:20:20,024 INFO L93 Difference]: Finished difference Result 13366 states and 15911 transitions. [2021-11-23 12:20:20,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:20:20,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 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 394 [2021-11-23 12:20:20,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:20:20,065 INFO L225 Difference]: With dead ends: 13366 [2021-11-23 12:20:20,065 INFO L226 Difference]: Without dead ends: 7884 [2021-11-23 12:20:20,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 12:20:20,072 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 274 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 12:20:20,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [274 Valid, 263 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 12:20:20,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7884 states. [2021-11-23 12:20:20,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7884 to 7281. [2021-11-23 12:20:20,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7281 states, 7280 states have (on average 1.161401098901099) internal successors, (8455), 7280 states have internal predecessors, (8455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:20,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7281 states to 7281 states and 8455 transitions. [2021-11-23 12:20:20,238 INFO L78 Accepts]: Start accepts. Automaton has 7281 states and 8455 transitions. Word has length 394 [2021-11-23 12:20:20,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:20:20,239 INFO L470 AbstractCegarLoop]: Abstraction has 7281 states and 8455 transitions. [2021-11-23 12:20:20,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:20,240 INFO L276 IsEmpty]: Start isEmpty. Operand 7281 states and 8455 transitions. [2021-11-23 12:20:20,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2021-11-23 12:20:20,252 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:20:20,253 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:20:20,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 12:20:20,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-23 12:20:20,473 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:20:20,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:20:20,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1301001739, now seen corresponding path program 1 times [2021-11-23 12:20:20,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:20:20,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894519870] [2021-11-23 12:20:20,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:20,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:20:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:20,748 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2021-11-23 12:20:20,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:20:20,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894519870] [2021-11-23 12:20:20,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894519870] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:20:20,749 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:20:20,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:20:20,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546675513] [2021-11-23 12:20:20,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:20:20,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:20:20,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:20:20,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:20:20,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:20,751 INFO L87 Difference]: Start difference. First operand 7281 states and 8455 transitions. Second operand has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:22,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:20:22,729 INFO L93 Difference]: Finished difference Result 16059 states and 18979 transitions. [2021-11-23 12:20:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:20:22,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 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 499 [2021-11-23 12:20:22,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:20:22,770 INFO L225 Difference]: With dead ends: 16059 [2021-11-23 12:20:22,771 INFO L226 Difference]: Without dead ends: 9079 [2021-11-23 12:20:22,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:22,780 INFO L933 BasicCegarLoop]: 571 mSDtfsCounter, 283 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 12:20:22,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 611 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 12:20:22,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9079 states. [2021-11-23 12:20:22,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9079 to 9078. [2021-11-23 12:20:22,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9078 states, 9077 states have (on average 1.1450919907458412) internal successors, (10394), 9077 states have internal predecessors, (10394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:22,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9078 states to 9078 states and 10394 transitions. [2021-11-23 12:20:22,948 INFO L78 Accepts]: Start accepts. Automaton has 9078 states and 10394 transitions. Word has length 499 [2021-11-23 12:20:22,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:20:22,949 INFO L470 AbstractCegarLoop]: Abstraction has 9078 states and 10394 transitions. [2021-11-23 12:20:22,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:22,950 INFO L276 IsEmpty]: Start isEmpty. Operand 9078 states and 10394 transitions. [2021-11-23 12:20:22,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2021-11-23 12:20:22,965 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:20:22,966 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:20:22,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 12:20:22,967 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:20:22,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:20:22,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1580672086, now seen corresponding path program 1 times [2021-11-23 12:20:22,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:20:22,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193935367] [2021-11-23 12:20:22,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:22,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:20:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:23,228 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 421 proven. 39 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 12:20:23,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:20:23,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193935367] [2021-11-23 12:20:23,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193935367] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 12:20:23,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470890988] [2021-11-23 12:20:23,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:23,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:20:23,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:20:23,232 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:20:23,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 12:20:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:23,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 12:20:23,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:20:24,484 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-23 12:20:24,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 12:20:24,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470890988] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:20:24,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 12:20:24,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-23 12:20:24,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038708075] [2021-11-23 12:20:24,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:20:24,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:20:24,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:20:24,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:20:24,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:20:24,493 INFO L87 Difference]: Start difference. First operand 9078 states and 10394 transitions. Second operand has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:26,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:20:26,506 INFO L93 Difference]: Finished difference Result 20546 states and 23798 transitions. [2021-11-23 12:20:26,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:20:26,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 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 524 [2021-11-23 12:20:26,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:20:26,540 INFO L225 Difference]: With dead ends: 20546 [2021-11-23 12:20:26,541 INFO L226 Difference]: Without dead ends: 11769 [2021-11-23 12:20:26,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 523 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:20:26,554 INFO L933 BasicCegarLoop]: 273 mSDtfsCounter, 123 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 12:20:26,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 315 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 12:20:26,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11769 states. [2021-11-23 12:20:26,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11769 to 7577. [2021-11-23 12:20:26,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7577 states, 7576 states have (on average 1.1601108764519534) internal successors, (8789), 7576 states have internal predecessors, (8789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:26,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7577 states to 7577 states and 8789 transitions. [2021-11-23 12:20:26,771 INFO L78 Accepts]: Start accepts. Automaton has 7577 states and 8789 transitions. Word has length 524 [2021-11-23 12:20:26,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:20:26,772 INFO L470 AbstractCegarLoop]: Abstraction has 7577 states and 8789 transitions. [2021-11-23 12:20:26,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:26,772 INFO L276 IsEmpty]: Start isEmpty. Operand 7577 states and 8789 transitions. [2021-11-23 12:20:26,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2021-11-23 12:20:26,780 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:20:26,781 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:20:26,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 12:20:26,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:20:26,996 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:20:26,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:20:26,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1485269488, now seen corresponding path program 1 times [2021-11-23 12:20:26,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:20:26,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876313017] [2021-11-23 12:20:26,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:26,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:20:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:27,293 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 547 proven. 39 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-11-23 12:20:27,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:20:27,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876313017] [2021-11-23 12:20:27,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876313017] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 12:20:27,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405100273] [2021-11-23 12:20:27,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:27,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:20:27,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:20:27,295 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:20:27,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 12:20:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:27,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 12:20:27,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:20:29,326 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 547 proven. 39 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-11-23 12:20:29,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:20:30,947 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 547 proven. 39 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-11-23 12:20:30,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405100273] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 12:20:30,947 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 12:20:30,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-11-23 12:20:30,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630272478] [2021-11-23 12:20:30,948 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 12:20:30,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-23 12:20:30,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:20:30,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-23 12:20:30,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-23 12:20:30,950 INFO L87 Difference]: Start difference. First operand 7577 states and 8789 transitions. Second operand has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:37,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:20:37,586 INFO L93 Difference]: Finished difference Result 21393 states and 24692 transitions. [2021-11-23 12:20:37,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-23 12:20:37,587 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 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 575 [2021-11-23 12:20:37,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:20:37,607 INFO L225 Difference]: With dead ends: 21393 [2021-11-23 12:20:37,607 INFO L226 Difference]: Without dead ends: 9671 [2021-11-23 12:20:37,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1159 GetRequests, 1145 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-11-23 12:20:37,618 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 3100 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 5255 mSolverCounterSat, 721 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3100 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 5976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 721 IncrementalHoareTripleChecker+Valid, 5255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-11-23 12:20:37,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3100 Valid, 243 Invalid, 5976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [721 Valid, 5255 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2021-11-23 12:20:37,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9671 states. [2021-11-23 12:20:37,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9671 to 9369. [2021-11-23 12:20:37,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9369 states, 9368 states have (on average 1.0763236549957302) internal successors, (10083), 9368 states have internal predecessors, (10083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:37,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9369 states to 9369 states and 10083 transitions. [2021-11-23 12:20:37,785 INFO L78 Accepts]: Start accepts. Automaton has 9369 states and 10083 transitions. Word has length 575 [2021-11-23 12:20:37,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:20:37,786 INFO L470 AbstractCegarLoop]: Abstraction has 9369 states and 10083 transitions. [2021-11-23 12:20:37,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:37,787 INFO L276 IsEmpty]: Start isEmpty. Operand 9369 states and 10083 transitions. [2021-11-23 12:20:37,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2021-11-23 12:20:37,793 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:20:37,794 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:20:37,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 12:20:38,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-23 12:20:38,014 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:20:38,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:20:38,015 INFO L85 PathProgramCache]: Analyzing trace with hash 2131564190, now seen corresponding path program 1 times [2021-11-23 12:20:38,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:20:38,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30800146] [2021-11-23 12:20:38,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:38,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:20:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:38,361 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2021-11-23 12:20:38,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:20:38,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30800146] [2021-11-23 12:20:38,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30800146] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:20:38,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:20:38,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:20:38,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594799185] [2021-11-23 12:20:38,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:20:38,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:20:38,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:20:38,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:20:38,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:38,365 INFO L87 Difference]: Start difference. First operand 9369 states and 10083 transitions. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:39,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:20:39,718 INFO L93 Difference]: Finished difference Result 21153 states and 22828 transitions. [2021-11-23 12:20:39,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:20:39,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 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 575 [2021-11-23 12:20:39,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:20:39,752 INFO L225 Difference]: With dead ends: 21153 [2021-11-23 12:20:39,752 INFO L226 Difference]: Without dead ends: 12085 [2021-11-23 12:20:39,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:39,761 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 289 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-23 12:20:39,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 219 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-23 12:20:39,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12085 states. [2021-11-23 12:20:39,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12085 to 9371. [2021-11-23 12:20:39,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9371 states, 9370 states have (on average 1.075453575240128) internal successors, (10077), 9370 states have internal predecessors, (10077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:39,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9371 states to 9371 states and 10077 transitions. [2021-11-23 12:20:39,907 INFO L78 Accepts]: Start accepts. Automaton has 9371 states and 10077 transitions. Word has length 575 [2021-11-23 12:20:39,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:20:39,908 INFO L470 AbstractCegarLoop]: Abstraction has 9371 states and 10077 transitions. [2021-11-23 12:20:39,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:39,908 INFO L276 IsEmpty]: Start isEmpty. Operand 9371 states and 10077 transitions. [2021-11-23 12:20:39,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 584 [2021-11-23 12:20:39,914 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:20:39,916 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:20:39,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 12:20:39,917 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:20:39,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:20:39,918 INFO L85 PathProgramCache]: Analyzing trace with hash 194348831, now seen corresponding path program 1 times [2021-11-23 12:20:39,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:20:39,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623976972] [2021-11-23 12:20:39,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:39,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:20:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:40,358 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 242 proven. 188 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 12:20:40,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:20:40,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623976972] [2021-11-23 12:20:40,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623976972] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 12:20:40,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938338673] [2021-11-23 12:20:40,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:40,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:20:40,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:20:40,360 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:20:40,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 12:20:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:40,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:20:40,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:20:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2021-11-23 12:20:42,098 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 12:20:42,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938338673] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:20:42,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 12:20:42,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-23 12:20:42,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333577448] [2021-11-23 12:20:42,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:20:42,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:20:42,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:20:42,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:20:42,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-23 12:20:42,105 INFO L87 Difference]: Start difference. First operand 9371 states and 10077 transitions. Second operand has 4 states, 4 states have (on average 80.25) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:44,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:20:44,049 INFO L93 Difference]: Finished difference Result 28684 states and 30918 transitions. [2021-11-23 12:20:44,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:20:44,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 80.25) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 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 583 [2021-11-23 12:20:44,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:20:44,078 INFO L225 Difference]: With dead ends: 28684 [2021-11-23 12:20:44,078 INFO L226 Difference]: Without dead ends: 19614 [2021-11-23 12:20:44,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 581 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-23 12:20:44,091 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 519 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 1633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 12:20:44,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [519 Valid, 171 Invalid, 1633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1534 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 12:20:44,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19614 states. [2021-11-23 12:20:44,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19614 to 16316. [2021-11-23 12:20:44,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16316 states, 16315 states have (on average 1.0734906527735213) internal successors, (17514), 16315 states have internal predecessors, (17514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:44,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16316 states to 16316 states and 17514 transitions. [2021-11-23 12:20:44,505 INFO L78 Accepts]: Start accepts. Automaton has 16316 states and 17514 transitions. Word has length 583 [2021-11-23 12:20:44,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:20:44,507 INFO L470 AbstractCegarLoop]: Abstraction has 16316 states and 17514 transitions. [2021-11-23 12:20:44,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 80.25) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:44,508 INFO L276 IsEmpty]: Start isEmpty. Operand 16316 states and 17514 transitions. [2021-11-23 12:20:44,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2021-11-23 12:20:44,524 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:20:44,525 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:20:44,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-23 12:20:44,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:20:44,749 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:20:44,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:20:44,749 INFO L85 PathProgramCache]: Analyzing trace with hash -964489000, now seen corresponding path program 1 times [2021-11-23 12:20:44,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:20:44,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994355127] [2021-11-23 12:20:44,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:44,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:20:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2021-11-23 12:20:45,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:20:45,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994355127] [2021-11-23 12:20:45,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994355127] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:20:45,013 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:20:45,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:20:45,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003958618] [2021-11-23 12:20:45,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:20:45,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:20:45,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:20:45,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:20:45,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:45,015 INFO L87 Difference]: Start difference. First operand 16316 states and 17514 transitions. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:46,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:20:46,642 INFO L93 Difference]: Finished difference Result 39203 states and 42226 transitions. [2021-11-23 12:20:46,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:20:46,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 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 586 [2021-11-23 12:20:46,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:20:46,675 INFO L225 Difference]: With dead ends: 39203 [2021-11-23 12:20:46,676 INFO L226 Difference]: Without dead ends: 24088 [2021-11-23 12:20:46,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:46,689 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 303 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 12:20:46,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [303 Valid, 160 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 12:20:46,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24088 states. [2021-11-23 12:20:47,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24088 to 22892. [2021-11-23 12:20:47,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22892 states, 22891 states have (on average 1.067275348390197) internal successors, (24431), 22891 states have internal predecessors, (24431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:47,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22892 states to 22892 states and 24431 transitions. [2021-11-23 12:20:47,140 INFO L78 Accepts]: Start accepts. Automaton has 22892 states and 24431 transitions. Word has length 586 [2021-11-23 12:20:47,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:20:47,141 INFO L470 AbstractCegarLoop]: Abstraction has 22892 states and 24431 transitions. [2021-11-23 12:20:47,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:47,142 INFO L276 IsEmpty]: Start isEmpty. Operand 22892 states and 24431 transitions. [2021-11-23 12:20:47,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2021-11-23 12:20:47,162 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:20:47,163 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:20:47,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 12:20:47,163 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:20:47,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:20:47,164 INFO L85 PathProgramCache]: Analyzing trace with hash -223845267, now seen corresponding path program 1 times [2021-11-23 12:20:47,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:20:47,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994073496] [2021-11-23 12:20:47,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:47,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:20:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:47,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 657 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2021-11-23 12:20:47,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:20:47,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994073496] [2021-11-23 12:20:47,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994073496] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:20:47,434 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:20:47,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:20:47,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904939444] [2021-11-23 12:20:47,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:20:47,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:20:47,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:20:47,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:20:47,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:47,437 INFO L87 Difference]: Start difference. First operand 22892 states and 24431 transitions. Second operand has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:48,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:20:48,617 INFO L93 Difference]: Finished difference Result 44581 states and 47652 transitions. [2021-11-23 12:20:48,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:20:48,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 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 723 [2021-11-23 12:20:48,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:20:48,659 INFO L225 Difference]: With dead ends: 44581 [2021-11-23 12:20:48,659 INFO L226 Difference]: Without dead ends: 23189 [2021-11-23 12:20:48,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:48,671 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 438 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-23 12:20:48,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [438 Valid, 70 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-23 12:20:48,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23189 states. [2021-11-23 12:20:48,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23189 to 22890. [2021-11-23 12:20:48,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22890 states, 22889 states have (on average 1.06710647035694) internal successors, (24425), 22889 states have internal predecessors, (24425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:48,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22890 states to 22890 states and 24425 transitions. [2021-11-23 12:20:48,986 INFO L78 Accepts]: Start accepts. Automaton has 22890 states and 24425 transitions. Word has length 723 [2021-11-23 12:20:48,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:20:48,988 INFO L470 AbstractCegarLoop]: Abstraction has 22890 states and 24425 transitions. [2021-11-23 12:20:48,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:48,988 INFO L276 IsEmpty]: Start isEmpty. Operand 22890 states and 24425 transitions. [2021-11-23 12:20:49,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2021-11-23 12:20:49,010 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:20:49,014 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:20:49,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-23 12:20:49,014 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:20:49,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:20:49,015 INFO L85 PathProgramCache]: Analyzing trace with hash -539156564, now seen corresponding path program 1 times [2021-11-23 12:20:49,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:20:49,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789967350] [2021-11-23 12:20:49,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:49,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:20:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:49,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 816 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-23 12:20:49,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:20:49,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789967350] [2021-11-23 12:20:49,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789967350] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:20:49,497 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:20:49,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 12:20:49,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881436919] [2021-11-23 12:20:49,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:20:49,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:20:49,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:20:49,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:20:49,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:20:49,501 INFO L87 Difference]: Start difference. First operand 22890 states and 24425 transitions. Second operand has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:51,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:20:51,481 INFO L93 Difference]: Finished difference Result 50571 states and 54008 transitions. [2021-11-23 12:20:51,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:20:51,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 0 states have call successors, (0), 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 737 [2021-11-23 12:20:51,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:20:51,516 INFO L225 Difference]: With dead ends: 50571 [2021-11-23 12:20:51,517 INFO L226 Difference]: Without dead ends: 29181 [2021-11-23 12:20:51,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:20:51,534 INFO L933 BasicCegarLoop]: 390 mSDtfsCounter, 633 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 1645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 12:20:51,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [633 Valid, 422 Invalid, 1645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 1392 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 12:20:51,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29181 states. [2021-11-23 12:20:51,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29181 to 27983. [2021-11-23 12:20:51,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27983 states, 27982 states have (on average 1.0520691873347152) internal successors, (29439), 27982 states have internal predecessors, (29439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:52,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27983 states to 27983 states and 29439 transitions. [2021-11-23 12:20:52,009 INFO L78 Accepts]: Start accepts. Automaton has 27983 states and 29439 transitions. Word has length 737 [2021-11-23 12:20:52,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:20:52,010 INFO L470 AbstractCegarLoop]: Abstraction has 27983 states and 29439 transitions. [2021-11-23 12:20:52,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:52,010 INFO L276 IsEmpty]: Start isEmpty. Operand 27983 states and 29439 transitions. [2021-11-23 12:20:52,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 758 [2021-11-23 12:20:52,032 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:20:52,032 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:20:52,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-23 12:20:52,033 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:20:52,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:20:52,034 INFO L85 PathProgramCache]: Analyzing trace with hash -575651241, now seen corresponding path program 1 times [2021-11-23 12:20:52,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:20:52,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867854827] [2021-11-23 12:20:52,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:52,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:20:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:52,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 757 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2021-11-23 12:20:52,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:20:52,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867854827] [2021-11-23 12:20:52,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867854827] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:20:52,350 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:20:52,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:20:52,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656707477] [2021-11-23 12:20:52,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:20:52,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:20:52,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:20:52,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:20:52,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:52,353 INFO L87 Difference]: Start difference. First operand 27983 states and 29439 transitions. Second operand has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:53,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:20:53,509 INFO L93 Difference]: Finished difference Result 55665 states and 58575 transitions. [2021-11-23 12:20:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:20:53,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 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 757 [2021-11-23 12:20:53,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:20:53,542 INFO L225 Difference]: With dead ends: 55665 [2021-11-23 12:20:53,543 INFO L226 Difference]: Without dead ends: 27983 [2021-11-23 12:20:53,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:53,557 INFO L933 BasicCegarLoop]: 477 mSDtfsCounter, 226 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-23 12:20:53,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 511 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-23 12:20:53,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27983 states. [2021-11-23 12:20:53,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27983 to 27983. [2021-11-23 12:20:53,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27983 states, 27982 states have (on average 1.0344864555785862) internal successors, (28947), 27982 states have internal predecessors, (28947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:54,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27983 states to 27983 states and 28947 transitions. [2021-11-23 12:20:54,061 INFO L78 Accepts]: Start accepts. Automaton has 27983 states and 28947 transitions. Word has length 757 [2021-11-23 12:20:54,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:20:54,062 INFO L470 AbstractCegarLoop]: Abstraction has 27983 states and 28947 transitions. [2021-11-23 12:20:54,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:54,062 INFO L276 IsEmpty]: Start isEmpty. Operand 27983 states and 28947 transitions. [2021-11-23 12:20:54,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2021-11-23 12:20:54,079 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:20:54,080 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:20:54,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-23 12:20:54,081 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:20:54,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:20:54,082 INFO L85 PathProgramCache]: Analyzing trace with hash 775079435, now seen corresponding path program 1 times [2021-11-23 12:20:54,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:20:54,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289498250] [2021-11-23 12:20:54,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:54,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:20:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:54,370 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2021-11-23 12:20:54,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:20:54,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289498250] [2021-11-23 12:20:54,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289498250] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:20:54,371 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:20:54,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:20:54,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154579918] [2021-11-23 12:20:54,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:20:54,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:20:54,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:20:54,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:20:54,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:54,374 INFO L87 Difference]: Start difference. First operand 27983 states and 28947 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:55,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:20:55,803 INFO L93 Difference]: Finished difference Result 56256 states and 58223 transitions. [2021-11-23 12:20:55,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:20:55,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 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 759 [2021-11-23 12:20:55,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:20:55,832 INFO L225 Difference]: With dead ends: 56256 [2021-11-23 12:20:55,832 INFO L226 Difference]: Without dead ends: 29773 [2021-11-23 12:20:55,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:20:55,846 INFO L933 BasicCegarLoop]: 412 mSDtfsCounter, 358 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-23 12:20:55,847 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [358 Valid, 431 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-23 12:20:55,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29773 states. [2021-11-23 12:20:56,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29773 to 15949. [2021-11-23 12:20:56,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15949 states, 15948 states have (on average 1.0338600451467268) internal successors, (16488), 15948 states have internal predecessors, (16488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:56,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15949 states to 15949 states and 16488 transitions. [2021-11-23 12:20:56,128 INFO L78 Accepts]: Start accepts. Automaton has 15949 states and 16488 transitions. Word has length 759 [2021-11-23 12:20:56,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:20:56,129 INFO L470 AbstractCegarLoop]: Abstraction has 15949 states and 16488 transitions. [2021-11-23 12:20:56,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:20:56,129 INFO L276 IsEmpty]: Start isEmpty. Operand 15949 states and 16488 transitions. [2021-11-23 12:20:56,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2021-11-23 12:20:56,145 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:20:56,146 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:20:56,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-23 12:20:56,146 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:20:56,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:20:56,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1217431788, now seen corresponding path program 1 times [2021-11-23 12:20:56,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:20:56,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954046627] [2021-11-23 12:20:56,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:56,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:20:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:56,719 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 621 proven. 188 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-11-23 12:20:56,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:20:56,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954046627] [2021-11-23 12:20:56,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954046627] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 12:20:56,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421969336] [2021-11-23 12:20:56,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:20:56,720 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:20:56,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:20:56,724 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:20:56,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 12:20:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:20:56,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 12:20:56,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:20:58,661 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 713 proven. 76 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-11-23 12:20:58,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:21:01,532 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 638 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2021-11-23 12:21:01,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421969336] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-23 12:21:01,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 12:21:01,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 8 [2021-11-23 12:21:01,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840340515] [2021-11-23 12:21:01,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:21:01,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:21:01,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:21:01,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:21:01,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-23 12:21:01,535 INFO L87 Difference]: Start difference. First operand 15949 states and 16488 transitions. Second operand has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:21:02,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:21:02,722 INFO L93 Difference]: Finished difference Result 34592 states and 35751 transitions. [2021-11-23 12:21:02,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:21:02,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 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 774 [2021-11-23 12:21:02,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:21:02,745 INFO L225 Difference]: With dead ends: 34592 [2021-11-23 12:21:02,746 INFO L226 Difference]: Without dead ends: 18944 [2021-11-23 12:21:02,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1550 GetRequests, 1544 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-23 12:21:02,759 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 160 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-23 12:21:02,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 91 Invalid, 897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-23 12:21:02,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18944 states. [2021-11-23 12:21:02,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18944 to 17743. [2021-11-23 12:21:02,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17743 states, 17742 states have (on average 1.0322398827640626) internal successors, (18314), 17742 states have internal predecessors, (18314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:21:03,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17743 states to 17743 states and 18314 transitions. [2021-11-23 12:21:03,024 INFO L78 Accepts]: Start accepts. Automaton has 17743 states and 18314 transitions. Word has length 774 [2021-11-23 12:21:03,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:21:03,025 INFO L470 AbstractCegarLoop]: Abstraction has 17743 states and 18314 transitions. [2021-11-23 12:21:03,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:21:03,026 INFO L276 IsEmpty]: Start isEmpty. Operand 17743 states and 18314 transitions. [2021-11-23 12:21:03,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2021-11-23 12:21:03,044 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:21:03,045 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:21:03,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 12:21:03,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-23 12:21:03,264 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:21:03,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:21:03,265 INFO L85 PathProgramCache]: Analyzing trace with hash 121556206, now seen corresponding path program 1 times [2021-11-23 12:21:03,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:21:03,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739199101] [2021-11-23 12:21:03,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:21:03,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:21:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:21:03,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 650 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-11-23 12:21:03,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:21:03,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739199101] [2021-11-23 12:21:03,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739199101] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:21:03,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:21:03,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 12:21:03,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591071210] [2021-11-23 12:21:03,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:21:03,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:21:03,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:21:03,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:21:03,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:21:03,643 INFO L87 Difference]: Start difference. First operand 17743 states and 18314 transitions. Second operand has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:21:06,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:21:06,007 INFO L93 Difference]: Finished difference Result 40592 states and 41899 transitions. [2021-11-23 12:21:06,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:21:06,008 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 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 786 [2021-11-23 12:21:06,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:21:06,028 INFO L225 Difference]: With dead ends: 40592 [2021-11-23 12:21:06,029 INFO L226 Difference]: Without dead ends: 22851 [2021-11-23 12:21:06,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:21:06,038 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 431 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1623 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 1796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 1623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 12:21:06,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [431 Valid, 145 Invalid, 1796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 1623 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 12:21:06,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22851 states. [2021-11-23 12:21:06,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22851 to 21336. [2021-11-23 12:21:06,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21336 states, 21335 states have (on average 1.0300913991094445) internal successors, (21977), 21335 states have internal predecessors, (21977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:21:06,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21336 states to 21336 states and 21977 transitions. [2021-11-23 12:21:06,332 INFO L78 Accepts]: Start accepts. Automaton has 21336 states and 21977 transitions. Word has length 786 [2021-11-23 12:21:06,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:21:06,333 INFO L470 AbstractCegarLoop]: Abstraction has 21336 states and 21977 transitions. [2021-11-23 12:21:06,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:21:06,333 INFO L276 IsEmpty]: Start isEmpty. Operand 21336 states and 21977 transitions. [2021-11-23 12:21:06,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2021-11-23 12:21:06,365 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:21:06,365 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:21:06,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-23 12:21:06,366 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:21:06,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:21:06,366 INFO L85 PathProgramCache]: Analyzing trace with hash 480283110, now seen corresponding path program 1 times [2021-11-23 12:21:06,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:21:06,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883507528] [2021-11-23 12:21:06,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:21:06,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:21:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:21:06,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1618 backedges. 1022 proven. 443 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-11-23 12:21:06,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:21:06,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883507528] [2021-11-23 12:21:06,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883507528] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 12:21:06,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347882010] [2021-11-23 12:21:06,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:21:06,898 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:21:06,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:21:06,899 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:21:06,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 12:21:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:21:07,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 12:21:07,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:21:08,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1618 backedges. 1238 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-23 12:21:08,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 12:21:08,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347882010] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:21:08,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 12:21:08,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-23 12:21:08,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483499433] [2021-11-23 12:21:08,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:21:08,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:21:08,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:21:08,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:21:08,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:21:08,458 INFO L87 Difference]: Start difference. First operand 21336 states and 21977 transitions. Second operand has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:21:09,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:21:09,506 INFO L93 Difference]: Finished difference Result 42074 states and 43352 transitions. [2021-11-23 12:21:09,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:21:09,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 957 [2021-11-23 12:21:09,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:21:09,526 INFO L225 Difference]: With dead ends: 42074 [2021-11-23 12:21:09,526 INFO L226 Difference]: Without dead ends: 21039 [2021-11-23 12:21:09,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 961 GetRequests, 957 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:21:09,536 INFO L933 BasicCegarLoop]: 386 mSDtfsCounter, 161 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-23 12:21:09,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 397 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-23 12:21:09,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21039 states. [2021-11-23 12:21:09,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21039 to 20735. [2021-11-23 12:21:09,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20735 states, 20734 states have (on average 1.0282145268640879) internal successors, (21319), 20734 states have internal predecessors, (21319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:21:09,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20735 states to 20735 states and 21319 transitions. [2021-11-23 12:21:09,848 INFO L78 Accepts]: Start accepts. Automaton has 20735 states and 21319 transitions. Word has length 957 [2021-11-23 12:21:09,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:21:09,849 INFO L470 AbstractCegarLoop]: Abstraction has 20735 states and 21319 transitions. [2021-11-23 12:21:09,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:21:09,849 INFO L276 IsEmpty]: Start isEmpty. Operand 20735 states and 21319 transitions. [2021-11-23 12:21:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1033 [2021-11-23 12:21:09,870 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:21:09,871 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:21:09,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-23 12:21:10,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:21:10,072 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:21:10,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:21:10,072 INFO L85 PathProgramCache]: Analyzing trace with hash 812749798, now seen corresponding path program 1 times [2021-11-23 12:21:10,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:21:10,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560643971] [2021-11-23 12:21:10,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:21:10,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:21:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:21:10,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1671 backedges. 1150 proven. 187 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2021-11-23 12:21:10,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:21:10,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560643971] [2021-11-23 12:21:10,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560643971] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 12:21:10,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404444487] [2021-11-23 12:21:10,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:21:10,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:21:10,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:21:10,668 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:21:10,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-23 12:21:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:21:11,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 1216 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 12:21:11,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:21:12,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1671 backedges. 793 proven. 46 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2021-11-23 12:21:12,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:21:13,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1671 backedges. 793 proven. 46 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2021-11-23 12:21:13,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404444487] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 12:21:13,869 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 12:21:13,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2021-11-23 12:21:13,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908408515] [2021-11-23 12:21:13,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 12:21:13,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 12:21:13,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:21:13,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 12:21:13,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-11-23 12:21:13,873 INFO L87 Difference]: Start difference. First operand 20735 states and 21319 transitions. Second operand has 12 states, 12 states have (on average 109.08333333333333) internal successors, (1309), 12 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:21:31,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:21:31,788 INFO L93 Difference]: Finished difference Result 68571 states and 70445 transitions. [2021-11-23 12:21:31,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-23 12:21:31,789 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 109.08333333333333) internal successors, (1309), 12 states have internal predecessors, (1309), 0 states have call successors, (0), 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 1032 [2021-11-23 12:21:31,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:21:31,837 INFO L225 Difference]: With dead ends: 68571 [2021-11-23 12:21:31,837 INFO L226 Difference]: Without dead ends: 48137 [2021-11-23 12:21:31,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2155 GetRequests, 2095 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1297 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=818, Invalid=2964, Unknown=0, NotChecked=0, Total=3782 [2021-11-23 12:21:31,851 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 8170 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 22195 mSolverCounterSat, 1240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8170 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 23435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1240 IncrementalHoareTripleChecker+Valid, 22195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2021-11-23 12:21:31,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8170 Valid, 451 Invalid, 23435 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1240 Valid, 22195 Invalid, 0 Unknown, 0 Unchecked, 16.0s Time] [2021-11-23 12:21:31,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48137 states. [2021-11-23 12:21:32,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48137 to 22818. [2021-11-23 12:21:32,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22818 states, 22817 states have (on average 1.0247622386816848) internal successors, (23382), 22817 states have internal predecessors, (23382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:21:32,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22818 states to 22818 states and 23382 transitions. [2021-11-23 12:21:32,323 INFO L78 Accepts]: Start accepts. Automaton has 22818 states and 23382 transitions. Word has length 1032 [2021-11-23 12:21:32,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:21:32,324 INFO L470 AbstractCegarLoop]: Abstraction has 22818 states and 23382 transitions. [2021-11-23 12:21:32,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 109.08333333333333) internal successors, (1309), 12 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:21:32,324 INFO L276 IsEmpty]: Start isEmpty. Operand 22818 states and 23382 transitions. [2021-11-23 12:21:32,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1068 [2021-11-23 12:21:32,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:21:32,354 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:21:32,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-23 12:21:32,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:21:32,572 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:21:32,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:21:32,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1094124581, now seen corresponding path program 1 times [2021-11-23 12:21:32,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:21:32,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924903753] [2021-11-23 12:21:32,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:21:32,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:21:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:21:33,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2210 backedges. 1484 proven. 336 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2021-11-23 12:21:33,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:21:33,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924903753] [2021-11-23 12:21:33,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924903753] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 12:21:33,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880737796] [2021-11-23 12:21:33,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:21:33,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:21:33,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:21:33,082 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:21:33,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-23 12:21:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:21:33,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:21:33,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:21:36,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2210 backedges. 995 proven. 0 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2021-11-23 12:21:36,831 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 12:21:36,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880737796] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:21:36,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 12:21:36,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-11-23 12:21:36,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650552200] [2021-11-23 12:21:36,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:21:36,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:21:36,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:21:36,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:21:36,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-23 12:21:36,834 INFO L87 Difference]: Start difference. First operand 22818 states and 23382 transitions. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:21:37,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:21:37,282 INFO L93 Difference]: Finished difference Result 23202 states and 23769 transitions. [2021-11-23 12:21:37,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:21:37,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 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 1067 [2021-11-23 12:21:37,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:21:37,312 INFO L225 Difference]: With dead ends: 23202 [2021-11-23 12:21:37,312 INFO L226 Difference]: Without dead ends: 23200 [2021-11-23 12:21:37,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1071 GetRequests, 1066 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-23 12:21:37,320 INFO L933 BasicCegarLoop]: 492 mSDtfsCounter, 0 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 492 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 12:21:37,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 571 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 191 Invalid, 0 Unknown, 492 Unchecked, 0.3s Time] [2021-11-23 12:21:37,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23200 states. [2021-11-23 12:21:37,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23200 to 23055. [2021-11-23 12:21:37,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23055 states, 23054 states have (on average 1.0246378068881756) internal successors, (23622), 23054 states have internal predecessors, (23622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:21:37,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23055 states to 23055 states and 23622 transitions. [2021-11-23 12:21:37,655 INFO L78 Accepts]: Start accepts. Automaton has 23055 states and 23622 transitions. Word has length 1067 [2021-11-23 12:21:37,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:21:37,656 INFO L470 AbstractCegarLoop]: Abstraction has 23055 states and 23622 transitions. [2021-11-23 12:21:37,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:21:37,658 INFO L276 IsEmpty]: Start isEmpty. Operand 23055 states and 23622 transitions. [2021-11-23 12:21:37,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1367 [2021-11-23 12:21:37,696 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:21:37,697 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:21:37,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-23 12:21:37,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-11-23 12:21:37,914 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:21:37,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:21:37,915 INFO L85 PathProgramCache]: Analyzing trace with hash 500944219, now seen corresponding path program 1 times [2021-11-23 12:21:37,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:21:37,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362047254] [2021-11-23 12:21:37,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:21:37,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:21:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:21:38,442 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 1291 proven. 46 refuted. 0 times theorem prover too weak. 1935 trivial. 0 not checked. [2021-11-23 12:21:38,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:21:38,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362047254] [2021-11-23 12:21:38,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362047254] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 12:21:38,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110130350] [2021-11-23 12:21:38,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:21:38,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:21:38,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:21:38,445 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:21:38,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-23 12:21:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:21:38,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 12:21:38,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:21:42,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 1291 proven. 46 refuted. 0 times theorem prover too weak. 1935 trivial. 0 not checked. [2021-11-23 12:21:42,446 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:21:46,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 1291 proven. 46 refuted. 0 times theorem prover too weak. 1935 trivial. 0 not checked. [2021-11-23 12:21:46,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110130350] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 12:21:46,695 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 12:21:46,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2021-11-23 12:21:46,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658503248] [2021-11-23 12:21:46,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 12:21:46,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:21:46,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:21:46,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:21:46,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:21:46,700 INFO L87 Difference]: Start difference. First operand 23055 states and 23622 transitions. Second operand has 4 states, 4 states have (on average 156.25) internal successors, (625), 4 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:21:48,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:21:48,712 INFO L93 Difference]: Finished difference Result 49144 states and 50369 transitions. [2021-11-23 12:21:48,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 12:21:48,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 156.25) internal successors, (625), 4 states have internal predecessors, (625), 0 states have call successors, (0), 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 1366 [2021-11-23 12:21:48,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:21:48,739 INFO L225 Difference]: With dead ends: 49144 [2021-11-23 12:21:48,740 INFO L226 Difference]: Without dead ends: 26045 [2021-11-23 12:21:48,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2736 GetRequests, 2733 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 12:21:48,753 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 299 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 1743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 12:21:48,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [299 Valid, 159 Invalid, 1743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1600 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 12:21:48,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26045 states. [2021-11-23 12:21:48,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26045 to 22156. [2021-11-23 12:21:48,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22156 states, 22155 states have (on average 1.0242383209207855) internal successors, (22692), 22155 states have internal predecessors, (22692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:21:49,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22156 states to 22156 states and 22692 transitions. [2021-11-23 12:21:49,009 INFO L78 Accepts]: Start accepts. Automaton has 22156 states and 22692 transitions. Word has length 1366 [2021-11-23 12:21:49,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:21:49,009 INFO L470 AbstractCegarLoop]: Abstraction has 22156 states and 22692 transitions. [2021-11-23 12:21:49,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 156.25) internal successors, (625), 4 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:21:49,010 INFO L276 IsEmpty]: Start isEmpty. Operand 22156 states and 22692 transitions. [2021-11-23 12:21:49,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1367 [2021-11-23 12:21:49,038 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:21:49,040 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:21:49,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-23 12:21:49,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-11-23 12:21:49,243 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:21:49,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:21:49,244 INFO L85 PathProgramCache]: Analyzing trace with hash 587662881, now seen corresponding path program 2 times [2021-11-23 12:21:49,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:21:49,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030177575] [2021-11-23 12:21:49,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:21:49,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:21:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:21:49,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 2092 proven. 336 refuted. 0 times theorem prover too weak. 844 trivial. 0 not checked. [2021-11-23 12:21:49,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:21:49,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030177575] [2021-11-23 12:21:49,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030177575] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 12:21:49,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789033344] [2021-11-23 12:21:49,854 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 12:21:49,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:21:49,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:21:49,856 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:21:49,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-23 12:21:50,257 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 12:21:50,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 12:21:50,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 12:21:50,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:22:26,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 2152 proven. 676 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2021-11-23 12:22:26,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:22:55,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 1990 proven. 838 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2021-11-23 12:22:55,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789033344] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 12:22:55,349 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 12:22:55,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 13] total 25 [2021-11-23 12:22:55,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402570180] [2021-11-23 12:22:55,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 12:22:55,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-23 12:22:55,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:22:55,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-23 12:22:55,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2021-11-23 12:22:55,354 INFO L87 Difference]: Start difference. First operand 22156 states and 22692 transitions. Second operand has 25 states, 25 states have (on average 88.32) internal successors, (2208), 25 states have internal predecessors, (2208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:23:17,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:23:17,215 INFO L93 Difference]: Finished difference Result 57220 states and 58569 transitions. [2021-11-23 12:23:17,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-11-23 12:23:17,216 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 88.32) internal successors, (2208), 25 states have internal predecessors, (2208), 0 states have call successors, (0), 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 1366 [2021-11-23 12:23:17,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:23:17,216 INFO L225 Difference]: With dead ends: 57220 [2021-11-23 12:23:17,217 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 12:23:17,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2870 GetRequests, 2773 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3229 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=2161, Invalid=7541, Unknown=0, NotChecked=0, Total=9702 [2021-11-23 12:23:17,227 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 18033 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 19217 mSolverCounterSat, 1585 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18033 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 20802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1585 IncrementalHoareTripleChecker+Valid, 19217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2021-11-23 12:23:17,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18033 Valid, 570 Invalid, 20802 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1585 Valid, 19217 Invalid, 0 Unknown, 0 Unchecked, 15.4s Time] [2021-11-23 12:23:17,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 12:23:17,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 12:23:17,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:23:17,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 12:23:17,229 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1366 [2021-11-23 12:23:17,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:23:17,230 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 12:23:17,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 88.32) internal successors, (2208), 25 states have internal predecessors, (2208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:23:17,231 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 12:23:17,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 12:23:17,234 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 12:23:17,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-11-23 12:23:17,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:23:17,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 12:23:26,411 WARN L227 SmtUtils]: Spent 8.96s on a formula simplification. DAG size of input: 613 DAG size of output: 599 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-23 12:23:58,341 WARN L227 SmtUtils]: Spent 31.92s on a formula simplification. DAG size of input: 867 DAG size of output: 863 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-23 12:24:29,346 WARN L227 SmtUtils]: Spent 31.00s on a formula simplification. DAG size of input: 863 DAG size of output: 862 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-23 12:24:34,593 WARN L227 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 599 DAG size of output: 151 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-23 12:24:45,831 WARN L227 SmtUtils]: Spent 11.23s on a formula simplification. DAG size of input: 863 DAG size of output: 189 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-23 12:24:57,135 WARN L227 SmtUtils]: Spent 11.30s on a formula simplification. DAG size of input: 862 DAG size of output: 189 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-23 12:24:57,139 INFO L858 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,139 INFO L858 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,139 INFO L858 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,139 INFO L858 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-11-23 12:24:57,139 INFO L858 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,140 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,140 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-11-23 12:24:57,140 INFO L858 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-11-23 12:24:57,140 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,140 INFO L858 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,140 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,141 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-11-23 12:24:57,141 INFO L858 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,141 INFO L858 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,141 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,141 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,141 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,142 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-11-23 12:24:57,142 INFO L858 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,142 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,142 INFO L858 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-11-23 12:24:57,142 INFO L858 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-11-23 12:24:57,143 INFO L858 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,143 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,143 INFO L858 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-11-23 12:24:57,143 INFO L858 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,143 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-11-23 12:24:57,143 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,144 INFO L858 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-11-23 12:24:57,144 INFO L858 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-11-23 12:24:57,144 INFO L858 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,144 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,144 INFO L858 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-11-23 12:24:57,144 INFO L858 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-11-23 12:24:57,145 INFO L858 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,145 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,145 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,145 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,145 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,145 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-23 12:24:57,145 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,146 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,146 INFO L858 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,146 INFO L858 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,146 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,146 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,146 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-11-23 12:24:57,147 INFO L858 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,147 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,147 INFO L858 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,147 INFO L858 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-11-23 12:24:57,147 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,147 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,148 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-11-23 12:24:57,148 INFO L858 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,148 INFO L858 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,148 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,148 INFO L858 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,148 INFO L858 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,148 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,149 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-11-23 12:24:57,149 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,149 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,149 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,149 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,149 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-11-23 12:24:57,150 INFO L858 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-11-23 12:24:57,150 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,150 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,150 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,150 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,150 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-11-23 12:24:57,151 INFO L858 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-11-23 12:24:57,151 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,151 INFO L858 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,151 INFO L858 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,151 INFO L858 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,151 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,152 INFO L858 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-11-23 12:24:57,152 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,152 INFO L858 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-11-23 12:24:57,152 INFO L858 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-11-23 12:24:57,152 INFO L858 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-11-23 12:24:57,152 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-11-23 12:24:57,153 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,153 INFO L858 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,153 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,153 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,153 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,153 INFO L858 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-11-23 12:24:57,153 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,154 INFO L858 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,154 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-11-23 12:24:57,154 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 12:24:57,154 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 161) no Hoare annotation was computed. [2021-11-23 12:24:57,154 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,155 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-11-23 12:24:57,155 INFO L858 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,155 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,155 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,155 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-11-23 12:24:57,155 INFO L858 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,155 INFO L858 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-11-23 12:24:57,156 INFO L858 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-11-23 12:24:57,156 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-11-23 12:24:57,156 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-11-23 12:24:57,156 INFO L858 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-11-23 12:24:57,156 INFO L858 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-11-23 12:24:57,156 INFO L858 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,157 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,157 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,157 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,157 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-11-23 12:24:57,157 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-11-23 12:24:57,157 INFO L858 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,157 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-11-23 12:24:57,158 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,158 INFO L858 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,158 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,158 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,158 INFO L858 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,158 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,159 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-11-23 12:24:57,159 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,159 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,159 INFO L858 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,159 INFO L858 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,159 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,160 INFO L858 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-11-23 12:24:57,160 INFO L858 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-11-23 12:24:57,160 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,160 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-11-23 12:24:57,160 INFO L858 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-11-23 12:24:57,160 INFO L858 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-11-23 12:24:57,160 INFO L858 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,161 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-11-23 12:24:57,161 INFO L858 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-11-23 12:24:57,161 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,161 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,161 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,161 INFO L858 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,162 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-11-23 12:24:57,162 INFO L858 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-11-23 12:24:57,162 INFO L858 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,162 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,162 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,162 INFO L858 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-11-23 12:24:57,163 INFO L858 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-11-23 12:24:57,163 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,163 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-23 12:24:57,163 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,163 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,163 INFO L858 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,163 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,164 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,164 INFO L858 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,164 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-11-23 12:24:57,164 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,164 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,164 INFO L858 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-11-23 12:24:57,165 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,165 INFO L858 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,165 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,165 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,165 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-23 12:24:57,165 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,165 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,166 INFO L858 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,166 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,166 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,166 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-11-23 12:24:57,166 INFO L858 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,166 INFO L858 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,167 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,167 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,167 INFO L858 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-11-23 12:24:57,167 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,167 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,167 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 12:24:57,167 INFO L858 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,168 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-11-23 12:24:57,168 INFO L858 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-11-23 12:24:57,168 INFO L858 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,168 INFO L858 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,168 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-11-23 12:24:57,168 INFO L858 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,169 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,169 INFO L858 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,169 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,169 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,169 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-23 12:24:57,169 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,169 INFO L858 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,170 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,170 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,170 INFO L858 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,170 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-11-23 12:24:57,170 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,170 INFO L858 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,171 INFO L858 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-11-23 12:24:57,171 INFO L858 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,171 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-11-23 12:24:57,171 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-11-23 12:24:57,171 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,171 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,171 INFO L858 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,172 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,172 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,172 INFO L858 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-11-23 12:24:57,172 INFO L858 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-11-23 12:24:57,172 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,172 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-11-23 12:24:57,172 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-11-23 12:24:57,173 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,173 INFO L858 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,173 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,173 INFO L858 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,173 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,173 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-11-23 12:24:57,174 INFO L858 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-11-23 12:24:57,174 INFO L858 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-11-23 12:24:57,174 INFO L858 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-11-23 12:24:57,174 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,174 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,174 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,174 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-23 12:24:57,175 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-11-23 12:24:57,175 INFO L858 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,175 INFO L858 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-11-23 12:24:57,175 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,175 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,175 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,175 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,176 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-11-23 12:24:57,176 INFO L858 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-11-23 12:24:57,176 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-11-23 12:24:57,176 INFO L858 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,176 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-11-23 12:24:57,176 INFO L858 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,177 INFO L858 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,177 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,177 INFO L858 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,177 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,177 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,177 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,177 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,178 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-11-23 12:24:57,178 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-11-23 12:24:57,178 INFO L858 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-11-23 12:24:57,178 INFO L858 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-11-23 12:24:57,178 INFO L858 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,178 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,179 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,179 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,179 INFO L854 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse25 (+ ~a0~0 147)) (.cse26 (+ ~a4~0 86)) (.cse29 (+ ~a0~0 61)) (.cse30 (+ ~a29~0 16)) (.cse20 (= |ULTIMATE.start_calculate_output_~input#1| 4)) (.cse17 (= |ULTIMATE.start_calculate_output2_~input#1| 4))) (let ((.cse16 (= 2 ~a2~0)) (.cse19 (<= (+ ~a29~0 144) 0)) (.cse6 (<= (+ ~a29~0 18) 0)) (.cse22 (or (= |ULTIMATE.start_calculate_output2_~input#1| 1) (= 3 |ULTIMATE.start_calculate_output2_~input#1|) (= 5 |ULTIMATE.start_calculate_output2_~input#1|) (= 2 |ULTIMATE.start_calculate_output2_~input#1|) (= 6 |ULTIMATE.start_calculate_output2_~input#1|) .cse17)) (.cse23 (or (= |ULTIMATE.start_calculate_output_~input#1| 6) (= |ULTIMATE.start_calculate_output_~input#1| 2) (= |ULTIMATE.start_calculate_output_~input#1| 1) (= |ULTIMATE.start_calculate_output_~input#1| 3) .cse20 (= |ULTIMATE.start_calculate_output_~input#1| 5))) (.cse13 (= ~a2~0 1)) (.cse24 (< 0 .cse30)) (.cse14 (<= (+ ~a29~0 127) 0)) (.cse3 (= 3 ~a2~0)) (.cse10 (<= 2 ~a2~0)) (.cse12 (<= ~a2~0 2)) (.cse11 (<= (+ 89 ~a4~0) 0)) (.cse0 (< 0 .cse29)) (.cse2 (<= 0 (+ ~a29~0 31))) (.cse5 (<= (+ 104 ~a0~0) 0)) (.cse21 (= 5 ~a2~0)) (.cse28 (<= .cse30 0)) (.cse8 (<= 0 (+ 142 ~a29~0))) (.cse15 (< 0 .cse26)) (.cse4 (< 0 .cse25)) (.cse27 (< 43 ~a29~0)) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse7 (= ~a2~0 4)) (.cse9 (<= .cse29 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11 .cse12) (and .cse11 .cse6 .cse13 .cse8) (and .cse0 .cse1 .cse10 .cse14 .cse12) (let ((.cse18 (< 0 (+ 98 ~a0~0)))) (and .cse15 .cse1 .cse16 (or (not .cse17) .cse18 .cse19) (or (not .cse20) .cse18 .cse19) .cse9)) (and .cse1 .cse6 .cse3 .cse9) (and .cse21 .cse11 .cse2) (and .cse15 .cse1 .cse13 .cse8 (<= ~a29~0 401234)) (and .cse15 .cse22 .cse1 .cse7 .cse23 .cse24) (and .cse15 .cse1 .cse13 .cse14 .cse9) (and .cse5 .cse1 .cse13) (and .cse15 .cse1 .cse16 (<= .cse25 0)) (and .cse15 .cse4 .cse1 .cse3 .cse9) (and .cse13 (<= .cse26 0) .cse9 .cse19) (and .cse11 .cse7 (or .cse27 .cse28)) (and .cse21 .cse27 .cse1) (and .cse15 .cse4 .cse22 .cse1 .cse6 .cse7 .cse23 .cse8 .cse9) (and .cse15 .cse21 .cse22 .cse1 .cse23 .cse8 .cse9) (and .cse4 (<= 340333 ~a29~0) .cse1 .cse7 .cse9) (and .cse15 .cse1 .cse10 .cse2 .cse9 .cse12) (and .cse15 .cse4 .cse5 .cse21 .cse22 .cse1 .cse23 .cse9) (and .cse1 .cse13 .cse28 .cse8 .cse9) (and .cse0 .cse1 .cse7 .cse24) (and .cse11 .cse3) (and .cse11 .cse14 .cse9) (and .cse5 .cse1 .cse3 (<= ~a29~0 43) .cse9) (and .cse5 .cse27 .cse10 .cse9 .cse12) (and .cse11 .cse9 .cse12) (and .cse4 .cse11 .cse9) (and .cse0 .cse21 .cse1 .cse2) (and .cse5 .cse21 .cse1 .cse28 .cse8 .cse9) (and .cse15 .cse4 .cse27 .cse1 .cse7 .cse9)))) [2021-11-23 12:24:57,180 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-11-23 12:24:57,180 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-11-23 12:24:57,180 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,180 INFO L858 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,180 INFO L858 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,180 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,181 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,181 INFO L858 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,181 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,181 INFO L858 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-11-23 12:24:57,181 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,181 INFO L858 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-11-23 12:24:57,182 INFO L861 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-11-23 12:24:57,182 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,182 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-11-23 12:24:57,182 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-11-23 12:24:57,182 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-11-23 12:24:57,182 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-11-23 12:24:57,183 INFO L858 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,183 INFO L858 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,183 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,183 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,183 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,183 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-23 12:24:57,183 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-11-23 12:24:57,184 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,184 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-11-23 12:24:57,184 INFO L858 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-11-23 12:24:57,184 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,184 INFO L858 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,184 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 12:24:57,184 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,185 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,185 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,185 INFO L858 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,185 INFO L854 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse38 (+ ~a29~0 16))) (let ((.cse7 (+ ~a0~0 147)) (.cse34 (+ ~a4~0 86)) (.cse37 (+ ~a0~0 61)) (.cse36 (= |ULTIMATE.start_calculate_output_~input#1| 1)) (.cse24 (= |ULTIMATE.start_calculate_output2_~input#1| 4)) (.cse6 (= |ULTIMATE.start_calculate_output_~input#1| 6)) (.cse9 (= |ULTIMATE.start_calculate_output_~input#1| 2)) (.cse33 (= |ULTIMATE.start_calculate_output_~input#1| 3)) (.cse5 (= |ULTIMATE.start_calculate_output_~input#1| 5)) (.cse11 (= ~a2~0 4)) (.cse35 (< 0 .cse38)) (.cse31 (= |ULTIMATE.start_calculate_output_~input#1| 4))) (let ((.cse10 (not .cse31)) (.cse22 (or (not .cse11) .cse35)) (.cse8 (or .cse6 .cse9 .cse33 .cse31 .cse5)) (.cse26 (<= (+ ~a29~0 144) 0)) (.cse20 (= ~a2~0 1)) (.cse21 (<= (+ ~a29~0 127) 0)) (.cse29 (or (= |ULTIMATE.start_calculate_output2_~input#1| 1) (= 3 |ULTIMATE.start_calculate_output2_~input#1|) (= 5 |ULTIMATE.start_calculate_output2_~input#1|) (= 2 |ULTIMATE.start_calculate_output2_~input#1|) (= 6 |ULTIMATE.start_calculate_output2_~input#1|) .cse24)) (.cse3 (= 3 ~a2~0)) (.cse23 (= 2 ~a2~0)) (.cse17 (<= 2 ~a2~0)) (.cse14 (<= (+ ~a29~0 18) 0)) (.cse28 (or .cse6 .cse9 .cse36 .cse33 .cse31 .cse5)) (.cse19 (<= ~a2~0 2)) (.cse18 (<= (+ 89 ~a4~0) 0)) (.cse0 (< 0 .cse37)) (.cse2 (<= 0 (+ ~a29~0 31))) (.cse13 (<= (+ 104 ~a0~0) 0)) (.cse27 (= 5 ~a2~0)) (.cse30 (<= .cse38 0)) (.cse15 (<= 0 (+ 142 ~a29~0))) (.cse4 (< 0 .cse34)) (.cse12 (< 0 .cse7)) (.cse32 (< 43 ~a29~0)) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse16 (<= .cse37 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (not .cse5) (not .cse6) .cse1 (<= .cse7 0) .cse8 (not .cse9) .cse10 .cse11 (< 0 (+ (div (+ 599998 ~a29~0) 299928) 1))) (and .cse12 .cse13 .cse1 .cse14 .cse11 .cse15 .cse16) (and .cse17 .cse18 .cse19) (and .cse18 .cse14 .cse20 .cse15) (and .cse0 .cse1 .cse17 .cse21 .cse19) (and .cse4 .cse13 .cse1 .cse22 .cse11) (let ((.cse25 (< 0 (+ 98 ~a0~0)))) (and .cse4 .cse1 .cse23 (or (not .cse24) .cse25 .cse26) (or .cse10 .cse25 .cse26) .cse16)) (and .cse1 .cse14 .cse3 .cse16) (and .cse27 .cse18 .cse2) (and .cse4 .cse1 .cse20 .cse15 (<= ~a29~0 401234)) (and .cse4 .cse27 .cse1 .cse14 .cse28 .cse15 .cse16) (and .cse4 .cse1 .cse20 .cse21 .cse16) (and .cse13 .cse1 .cse20) (and .cse4 .cse12 .cse13 .cse27 .cse29 .cse1 .cse30 .cse16) (and .cse13 (or (and .cse4 .cse31) (and .cse4 .cse6) (and .cse4 .cse5)) .cse1 .cse3 .cse16) (and .cse4 .cse12 .cse1 .cse3 .cse16) (and .cse18 .cse11 (or .cse32 .cse30)) (and .cse4 .cse13 .cse1 .cse33 .cse3 .cse16) (and .cse27 .cse32 .cse1) (and .cse4 .cse12 .cse1 .cse22 .cse11 .cse28 .cse16) (and .cse12 (<= 340333 ~a29~0) .cse1 .cse11 .cse16) (and .cse4 .cse13 .cse27 .cse1 .cse8 .cse15 .cse16) (and .cse4 .cse1 .cse17 .cse2 .cse16 .cse19) (and .cse20 (<= .cse34 0) .cse26) (and .cse1 .cse20 .cse30 .cse15 .cse16) (and .cse0 .cse1 .cse11 .cse35) (and .cse18 .cse3) (and .cse18 .cse21 .cse16) (and .cse4 .cse13 .cse27 .cse29 .cse1 .cse28 .cse15 .cse16) (and .cse13 .cse1 .cse3 (<= ~a29~0 43) .cse16) (and .cse4 .cse13 .cse1 .cse23) (and .cse13 .cse32 .cse17 .cse16 .cse19) (and .cse4 .cse12 .cse1 .cse14 .cse11 .cse28 .cse15 .cse16) (and .cse4 .cse12 .cse27 .cse1 .cse2 .cse16) (and .cse18 .cse16 .cse19) (and .cse12 .cse18 .cse16) (and .cse4 .cse12 .cse13 .cse27 (not .cse36) .cse1 .cse30 .cse16) (and .cse0 .cse27 .cse1 .cse2) (and .cse13 .cse27 .cse1 .cse30 .cse15 .cse16) (and .cse4 .cse12 .cse32 .cse1 .cse11 .cse16))))) [2021-11-23 12:24:57,186 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,186 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-11-23 12:24:57,186 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-11-23 12:24:57,186 INFO L858 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,186 INFO L858 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,186 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,187 INFO L858 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,187 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,187 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,187 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-23 12:24:57,187 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-11-23 12:24:57,187 INFO L858 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,188 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,188 INFO L858 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-11-23 12:24:57,188 INFO L858 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,188 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,188 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,188 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,188 INFO L858 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,189 INFO L858 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,189 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-11-23 12:24:57,189 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-11-23 12:24:57,189 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,189 INFO L858 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,189 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,189 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,189 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,189 INFO L858 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,189 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-11-23 12:24:57,189 INFO L858 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,189 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-11-23 12:24:57,189 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,189 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,189 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,190 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,190 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,190 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,190 INFO L858 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,190 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-11-23 12:24:57,190 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-11-23 12:24:57,190 INFO L858 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,190 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,190 INFO L858 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,190 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,190 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,190 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,190 INFO L858 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,190 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-11-23 12:24:57,190 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-11-23 12:24:57,191 INFO L858 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,191 INFO L858 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,191 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,191 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,191 INFO L858 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,191 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,191 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,191 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-11-23 12:24:57,191 INFO L858 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-11-23 12:24:57,191 INFO L858 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,191 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-11-23 12:24:57,191 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-11-23 12:24:57,191 INFO L858 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,191 INFO L858 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,191 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,192 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,192 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,192 INFO L858 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,192 INFO L854 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse38 (+ ~a29~0 16))) (let ((.cse7 (+ ~a0~0 147)) (.cse34 (+ ~a4~0 86)) (.cse37 (+ ~a0~0 61)) (.cse36 (= |ULTIMATE.start_calculate_output_~input#1| 1)) (.cse24 (= |ULTIMATE.start_calculate_output2_~input#1| 4)) (.cse6 (= |ULTIMATE.start_calculate_output_~input#1| 6)) (.cse9 (= |ULTIMATE.start_calculate_output_~input#1| 2)) (.cse33 (= |ULTIMATE.start_calculate_output_~input#1| 3)) (.cse5 (= |ULTIMATE.start_calculate_output_~input#1| 5)) (.cse11 (= ~a2~0 4)) (.cse35 (< 0 .cse38)) (.cse31 (= |ULTIMATE.start_calculate_output_~input#1| 4))) (let ((.cse10 (not .cse31)) (.cse22 (or (not .cse11) .cse35)) (.cse8 (or .cse6 .cse9 .cse33 .cse31 .cse5)) (.cse26 (<= (+ ~a29~0 144) 0)) (.cse20 (= ~a2~0 1)) (.cse21 (<= (+ ~a29~0 127) 0)) (.cse29 (or (= |ULTIMATE.start_calculate_output2_~input#1| 1) (= 3 |ULTIMATE.start_calculate_output2_~input#1|) (= 5 |ULTIMATE.start_calculate_output2_~input#1|) (= 2 |ULTIMATE.start_calculate_output2_~input#1|) (= 6 |ULTIMATE.start_calculate_output2_~input#1|) .cse24)) (.cse3 (= 3 ~a2~0)) (.cse23 (= 2 ~a2~0)) (.cse17 (<= 2 ~a2~0)) (.cse14 (<= (+ ~a29~0 18) 0)) (.cse28 (or .cse6 .cse9 .cse36 .cse33 .cse31 .cse5)) (.cse19 (<= ~a2~0 2)) (.cse18 (<= (+ 89 ~a4~0) 0)) (.cse0 (< 0 .cse37)) (.cse2 (<= 0 (+ ~a29~0 31))) (.cse13 (<= (+ 104 ~a0~0) 0)) (.cse27 (= 5 ~a2~0)) (.cse30 (<= .cse38 0)) (.cse15 (<= 0 (+ 142 ~a29~0))) (.cse4 (< 0 .cse34)) (.cse12 (< 0 .cse7)) (.cse32 (< 43 ~a29~0)) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse16 (<= .cse37 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (not .cse5) (not .cse6) .cse1 (<= .cse7 0) .cse8 (not .cse9) .cse10 .cse11 (< 0 (+ (div (+ 599998 ~a29~0) 299928) 1))) (and .cse12 .cse13 .cse1 .cse14 .cse11 .cse15 .cse16) (and .cse17 .cse18 .cse19) (and .cse18 .cse14 .cse20 .cse15) (and .cse0 .cse1 .cse17 .cse21 .cse19) (and .cse4 .cse13 .cse1 .cse22 .cse11) (let ((.cse25 (< 0 (+ 98 ~a0~0)))) (and .cse4 .cse1 .cse23 (or (not .cse24) .cse25 .cse26) (or .cse10 .cse25 .cse26) .cse16)) (and .cse1 .cse14 .cse3 .cse16) (and .cse27 .cse18 .cse2) (and .cse4 .cse1 .cse20 .cse15 (<= ~a29~0 401234)) (and .cse4 .cse27 .cse1 .cse14 .cse28 .cse15 .cse16) (and .cse4 .cse1 .cse20 .cse21 .cse16) (and .cse13 .cse1 .cse20) (and .cse4 .cse12 .cse13 .cse27 .cse29 .cse1 .cse30 .cse16) (and .cse13 (or (and .cse4 .cse31) (and .cse4 .cse6) (and .cse4 .cse5)) .cse1 .cse3 .cse16) (and .cse4 .cse12 .cse1 .cse3 .cse16) (and .cse18 .cse11 (or .cse32 .cse30)) (and .cse4 .cse13 .cse1 .cse33 .cse3 .cse16) (and .cse27 .cse32 .cse1) (and .cse4 .cse12 .cse1 .cse22 .cse11 .cse28 .cse16) (and .cse12 (<= 340333 ~a29~0) .cse1 .cse11 .cse16) (and .cse4 .cse13 .cse27 .cse1 .cse8 .cse15 .cse16) (and .cse4 .cse1 .cse17 .cse2 .cse16 .cse19) (and .cse20 (<= .cse34 0) .cse26) (and .cse1 .cse20 .cse30 .cse15 .cse16) (and .cse0 .cse1 .cse11 .cse35) (and .cse18 .cse3) (and .cse18 .cse21 .cse16) (and .cse4 .cse13 .cse27 .cse29 .cse1 .cse28 .cse15 .cse16) (and .cse13 .cse1 .cse3 (<= ~a29~0 43) .cse16) (and .cse4 .cse13 .cse1 .cse23) (and .cse13 .cse32 .cse17 .cse16 .cse19) (and .cse4 .cse12 .cse1 .cse14 .cse11 .cse28 .cse15 .cse16) (and .cse4 .cse12 .cse27 .cse1 .cse2 .cse16) (and .cse18 .cse16 .cse19) (and .cse12 .cse18 .cse16) (and .cse4 .cse12 .cse13 .cse27 (not .cse36) .cse1 .cse30 .cse16) (and .cse0 .cse27 .cse1 .cse2) (and .cse13 .cse27 .cse1 .cse30 .cse15 .cse16) (and .cse4 .cse12 .cse32 .cse1 .cse11 .cse16))))) [2021-11-23 12:24:57,192 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-23 12:24:57,192 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-11-23 12:24:57,192 INFO L858 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,192 INFO L858 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,192 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,192 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,193 INFO L858 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,193 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,193 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,193 INFO L858 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,193 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-11-23 12:24:57,193 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-11-23 12:24:57,193 INFO L858 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,193 INFO L858 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-11-23 12:24:57,193 INFO L858 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-11-23 12:24:57,193 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,193 INFO L858 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,193 INFO L858 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,193 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,193 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,193 INFO L858 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-11-23 12:24:57,193 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 12:24:57,194 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-11-23 12:24:57,194 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,194 INFO L858 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,194 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,194 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,194 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-11-23 12:24:57,194 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-11-23 12:24:57,194 INFO L858 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-11-23 12:24:57,194 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,194 INFO L858 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-11-23 12:24:57,194 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-11-23 12:24:57,194 INFO L858 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,194 INFO L858 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,194 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,194 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,195 INFO L858 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,195 INFO L858 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,195 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,195 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-23 12:24:57,195 INFO L858 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-11-23 12:24:57,195 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,195 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,196 INFO L858 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,196 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-11-23 12:24:57,196 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,196 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,196 INFO L858 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-11-23 12:24:57,196 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,196 INFO L858 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,197 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,197 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,197 INFO L858 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,197 INFO L858 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,197 INFO L858 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,197 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-11-23 12:24:57,197 INFO L858 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-11-23 12:24:57,198 INFO L858 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,198 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-11-23 12:24:57,198 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,198 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-11-23 12:24:57,198 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,198 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-11-23 12:24:57,198 INFO L858 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-11-23 12:24:57,202 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:24:57,204 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 12:24:57,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:24:57 BoogieIcfgContainer [2021-11-23 12:24:57,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 12:24:57,263 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 12:24:57,263 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 12:24:57,263 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 12:24:57,264 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:19:58" (3/4) ... [2021-11-23 12:24:57,267 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 12:24:57,306 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-23 12:24:57,310 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 12:24:57,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 12:24:57,318 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 12:24:57,547 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 12:24:57,547 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 12:24:57,548 INFO L158 Benchmark]: Toolchain (without parser) took 304303.63ms. Allocated memory was 119.5MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 71.2MB in the beginning and 980.7MB in the end (delta: -909.5MB). Peak memory consumption was 887.0MB. Max. memory is 16.1GB. [2021-11-23 12:24:57,548 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:24:57,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1455.31ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 71.0MB in the beginning and 83.7MB in the end (delta: -12.7MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2021-11-23 12:24:57,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 282.24ms. Allocated memory is still 146.8MB. Free memory was 83.2MB in the beginning and 85.7MB in the end (delta: -2.5MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2021-11-23 12:24:57,549 INFO L158 Benchmark]: Boogie Preprocessor took 238.96ms. Allocated memory is still 146.8MB. Free memory was 85.7MB in the beginning and 67.2MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 12:24:57,550 INFO L158 Benchmark]: RCFGBuilder took 3625.36ms. Allocated memory was 146.8MB in the beginning and 234.9MB in the end (delta: 88.1MB). Free memory was 67.2MB in the beginning and 153.1MB in the end (delta: -85.9MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2021-11-23 12:24:57,550 INFO L158 Benchmark]: TraceAbstraction took 298409.55ms. Allocated memory was 234.9MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 153.1MB in the beginning and 1.0GB in the end (delta: -870.6MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2021-11-23 12:24:57,550 INFO L158 Benchmark]: Witness Printer took 284.32ms. Allocated memory is still 1.9GB. Free memory was 1.0GB in the beginning and 980.7MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-11-23 12:24:57,552 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1455.31ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 71.0MB in the beginning and 83.7MB in the end (delta: -12.7MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 282.24ms. Allocated memory is still 146.8MB. Free memory was 83.2MB in the beginning and 85.7MB in the end (delta: -2.5MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 238.96ms. Allocated memory is still 146.8MB. Free memory was 85.7MB in the beginning and 67.2MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 3625.36ms. Allocated memory was 146.8MB in the beginning and 234.9MB in the end (delta: 88.1MB). Free memory was 67.2MB in the beginning and 153.1MB in the end (delta: -85.9MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * TraceAbstraction took 298409.55ms. Allocated memory was 234.9MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 153.1MB in the beginning and 1.0GB in the end (delta: -870.6MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Witness Printer took 284.32ms. Allocated memory is still 1.9GB. Free memory was 1.0GB in the beginning and 980.7MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 161]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 298.2s, OverallIterations: 24, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.4s, AutomataDifference: 85.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 99.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35218 SdHoareTripleChecker+Valid, 73.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35218 mSDsluCounter, 8232 SdHoareTripleChecker+Invalid, 61.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 492 IncrementalHoareTripleChecker+Unchecked, 1817 mSDsCounter, 6951 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66459 IncrementalHoareTripleChecker+Invalid, 73902 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6951 mSolverCounterUnsat, 6415 mSDtfsCounter, 66459 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14054 GetRequests, 13835 SyntacticMatches, 0 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4571 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27983occurred in iteration=15, InterpolantAutomatonStates: 228, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.8s AutomataMinimizationTime, 24 MinimizatonAttempts, 60618 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 573 NumberOfFragments, 3162 HoareAnnotationTreeSize, 4 FomulaSimplifications, 106195 FormulaSimplificationTreeSizeReduction, 71.9s HoareSimplificationTime, 4 FomulaSimplificationsInter, 781771 FormulaSimplificationTreeSizeReductionInter, 27.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 98.4s InterpolantComputationTime, 23869 NumberOfCodeBlocks, 23869 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 28943 ConstructedInterpolants, 46 QuantifiedInterpolants, 166971 SizeOfPredicates, 21 NumberOfNonLiveVariables, 10270 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 39 InterpolantComputations, 20 PerfectInterpolantSequences, 43635/47364 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((0 < a0 + 61 && 42 + a4 <= 0) && 0 <= a29 + 31) && 3 == a2) || ((((((0 < a0 + 147 && 104 + a0 <= 0) && 42 + a4 <= 0) && a29 + 18 <= 0) && a2 == 4) && 0 <= 142 + a29) && a0 + 61 <= 0)) || ((2 <= a2 && 89 + a4 <= 0) && a2 <= 2)) || (((89 + a4 <= 0 && a29 + 18 <= 0) && a2 == 1) && 0 <= 142 + a29)) || ((((0 < a0 + 61 && 42 + a4 <= 0) && 2 <= a2) && a29 + 127 <= 0) && a2 <= 2)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && ((!(input == 4) || 0 < 98 + a0) || a29 + 144 <= 0)) && ((!(input == 4) || 0 < 98 + a0) || a29 + 144 <= 0)) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && a29 + 18 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((5 == a2 && 89 + a4 <= 0) && 0 <= a29 + 31)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && 0 <= 142 + a29) && a29 <= 401234)) || (((((0 < a4 + 86 && (((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4)) && 42 + a4 <= 0) && a2 == 4) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 < a29 + 16)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && a29 + 127 <= 0) && a0 + 61 <= 0)) || ((104 + a0 <= 0 && 42 + a4 <= 0) && a2 == 1)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0)) || ((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((a2 == 1 && a4 + 86 <= 0) && a0 + 61 <= 0) && a29 + 144 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && (43 < a29 || a29 + 16 <= 0))) || ((5 == a2 && 43 < a29) && 42 + a4 <= 0)) || ((((((((0 < a4 + 86 && 0 < a0 + 147) && (((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4)) && 42 + a4 <= 0) && a29 + 18 <= 0) && a2 == 4) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 && 5 == a2) && (((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4)) && 42 + a4 <= 0) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && a0 + 61 <= 0)) || ((((0 < a0 + 147 && 340333 <= a29) && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 <= a2) && 0 <= a29 + 31) && a0 + 61 <= 0) && a2 <= 2)) || (((((((0 < a4 + 86 && 0 < a0 + 147) && 104 + a0 <= 0) && 5 == a2) && (((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4)) && 42 + a4 <= 0) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && a2 == 1) && a29 + 16 <= 0) && 0 <= 142 + a29) && a0 + 61 <= 0)) || (((0 < a0 + 61 && 42 + a4 <= 0) && a2 == 4) && 0 < a29 + 16)) || (89 + a4 <= 0 && 3 == a2)) || ((89 + a4 <= 0 && a29 + 127 <= 0) && a0 + 61 <= 0)) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || ((((104 + a0 <= 0 && 43 < a29) && 2 <= a2) && a0 + 61 <= 0) && a2 <= 2)) || ((89 + a4 <= 0 && a0 + 61 <= 0) && a2 <= 2)) || ((0 < a0 + 147 && 89 + a4 <= 0) && a0 + 61 <= 0)) || (((0 < a0 + 61 && 5 == a2) && 42 + a4 <= 0) && 0 <= a29 + 31)) || (((((104 + a0 <= 0 && 5 == a2) && 42 + a4 <= 0) && a29 + 16 <= 0) && 0 <= 142 + a29) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 43 < a29) && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((0 < a0 + 61 && 42 + a4 <= 0) && 0 <= a29 + 31) && 3 == a2) || (((((((((0 < a4 + 86 && !(input == 5)) && !(input == 6)) && 42 + a4 <= 0) && a0 + 147 <= 0) && ((((input == 6 || input == 2) || input == 3) || input == 4) || input == 5)) && !(input == 2)) && !(input == 4)) && a2 == 4) && 0 < (599998 + a29) / 299928 + 1)) || ((((((0 < a0 + 147 && 104 + a0 <= 0) && 42 + a4 <= 0) && a29 + 18 <= 0) && a2 == 4) && 0 <= 142 + a29) && a0 + 61 <= 0)) || ((2 <= a2 && 89 + a4 <= 0) && a2 <= 2)) || (((89 + a4 <= 0 && a29 + 18 <= 0) && a2 == 1) && 0 <= 142 + a29)) || ((((0 < a0 + 61 && 42 + a4 <= 0) && 2 <= a2) && a29 + 127 <= 0) && a2 <= 2)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && (!(a2 == 4) || 0 < a29 + 16)) && a2 == 4)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && ((!(input == 4) || 0 < 98 + a0) || a29 + 144 <= 0)) && ((!(input == 4) || 0 < 98 + a0) || a29 + 144 <= 0)) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && a29 + 18 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((5 == a2 && 89 + a4 <= 0) && 0 <= a29 + 31)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && 0 <= 142 + a29) && a29 <= 401234)) || ((((((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && a29 + 18 <= 0) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && a29 + 127 <= 0) && a0 + 61 <= 0)) || ((104 + a0 <= 0 && 42 + a4 <= 0) && a2 == 1)) || (((((((0 < a4 + 86 && 0 < a0 + 147) && 104 + a0 <= 0) && 5 == a2) && (((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4)) && 42 + a4 <= 0) && a29 + 16 <= 0) && a0 + 61 <= 0)) || ((((104 + a0 <= 0 && (((0 < a4 + 86 && input == 4) || (0 < a4 + 86 && input == 6)) || (0 < a4 + 86 && input == 5))) && 42 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && (43 < a29 || a29 + 16 <= 0))) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && input == 3) && 3 == a2) && a0 + 61 <= 0)) || ((5 == a2 && 43 < a29) && 42 + a4 <= 0)) || ((((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && (!(a2 == 4) || 0 < a29 + 16)) && a2 == 4) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && a0 + 61 <= 0)) || ((((0 < a0 + 147 && 340333 <= a29) && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 && 104 + a0 <= 0) && 5 == a2) && 42 + a4 <= 0) && ((((input == 6 || input == 2) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 <= a2) && 0 <= a29 + 31) && a0 + 61 <= 0) && a2 <= 2)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || ((((42 + a4 <= 0 && a2 == 1) && a29 + 16 <= 0) && 0 <= 142 + a29) && a0 + 61 <= 0)) || (((0 < a0 + 61 && 42 + a4 <= 0) && a2 == 4) && 0 < a29 + 16)) || (89 + a4 <= 0 && 3 == a2)) || ((89 + a4 <= 0 && a29 + 127 <= 0) && a0 + 61 <= 0)) || (((((((0 < a4 + 86 && 104 + a0 <= 0) && 5 == a2) && (((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4)) && 42 + a4 <= 0) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && a0 + 61 <= 0)) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2)) || ((((104 + a0 <= 0 && 43 < a29) && 2 <= a2) && a0 + 61 <= 0) && a2 <= 2)) || (((((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && a29 + 18 <= 0) && a2 == 4) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 5 == a2) && 42 + a4 <= 0) && 0 <= a29 + 31) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a0 + 61 <= 0) && a2 <= 2)) || ((0 < a0 + 147 && 89 + a4 <= 0) && a0 + 61 <= 0)) || (((((((0 < a4 + 86 && 0 < a0 + 147) && 104 + a0 <= 0) && 5 == a2) && !(input == 1)) && 42 + a4 <= 0) && a29 + 16 <= 0) && a0 + 61 <= 0)) || (((0 < a0 + 61 && 5 == a2) && 42 + a4 <= 0) && 0 <= a29 + 31)) || (((((104 + a0 <= 0 && 5 == a2) && 42 + a4 <= 0) && a29 + 16 <= 0) && 0 <= 142 + a29) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 43 < a29) && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((0 < a0 + 61 && 42 + a4 <= 0) && 0 <= a29 + 31) && 3 == a2) || (((((((((0 < a4 + 86 && !(input == 5)) && !(input == 6)) && 42 + a4 <= 0) && a0 + 147 <= 0) && ((((input == 6 || input == 2) || input == 3) || input == 4) || input == 5)) && !(input == 2)) && !(input == 4)) && a2 == 4) && 0 < (599998 + a29) / 299928 + 1)) || ((((((0 < a0 + 147 && 104 + a0 <= 0) && 42 + a4 <= 0) && a29 + 18 <= 0) && a2 == 4) && 0 <= 142 + a29) && a0 + 61 <= 0)) || ((2 <= a2 && 89 + a4 <= 0) && a2 <= 2)) || (((89 + a4 <= 0 && a29 + 18 <= 0) && a2 == 1) && 0 <= 142 + a29)) || ((((0 < a0 + 61 && 42 + a4 <= 0) && 2 <= a2) && a29 + 127 <= 0) && a2 <= 2)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && (!(a2 == 4) || 0 < a29 + 16)) && a2 == 4)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && ((!(input == 4) || 0 < 98 + a0) || a29 + 144 <= 0)) && ((!(input == 4) || 0 < 98 + a0) || a29 + 144 <= 0)) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && a29 + 18 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((5 == a2 && 89 + a4 <= 0) && 0 <= a29 + 31)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && 0 <= 142 + a29) && a29 <= 401234)) || ((((((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && a29 + 18 <= 0) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && a29 + 127 <= 0) && a0 + 61 <= 0)) || ((104 + a0 <= 0 && 42 + a4 <= 0) && a2 == 1)) || (((((((0 < a4 + 86 && 0 < a0 + 147) && 104 + a0 <= 0) && 5 == a2) && (((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4)) && 42 + a4 <= 0) && a29 + 16 <= 0) && a0 + 61 <= 0)) || ((((104 + a0 <= 0 && (((0 < a4 + 86 && input == 4) || (0 < a4 + 86 && input == 6)) || (0 < a4 + 86 && input == 5))) && 42 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && (43 < a29 || a29 + 16 <= 0))) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && input == 3) && 3 == a2) && a0 + 61 <= 0)) || ((5 == a2 && 43 < a29) && 42 + a4 <= 0)) || ((((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && (!(a2 == 4) || 0 < a29 + 16)) && a2 == 4) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && a0 + 61 <= 0)) || ((((0 < a0 + 147 && 340333 <= a29) && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 && 104 + a0 <= 0) && 5 == a2) && 42 + a4 <= 0) && ((((input == 6 || input == 2) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 <= a2) && 0 <= a29 + 31) && a0 + 61 <= 0) && a2 <= 2)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || ((((42 + a4 <= 0 && a2 == 1) && a29 + 16 <= 0) && 0 <= 142 + a29) && a0 + 61 <= 0)) || (((0 < a0 + 61 && 42 + a4 <= 0) && a2 == 4) && 0 < a29 + 16)) || (89 + a4 <= 0 && 3 == a2)) || ((89 + a4 <= 0 && a29 + 127 <= 0) && a0 + 61 <= 0)) || (((((((0 < a4 + 86 && 104 + a0 <= 0) && 5 == a2) && (((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4)) && 42 + a4 <= 0) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && a0 + 61 <= 0)) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2)) || ((((104 + a0 <= 0 && 43 < a29) && 2 <= a2) && a0 + 61 <= 0) && a2 <= 2)) || (((((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && a29 + 18 <= 0) && a2 == 4) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 5 == a2) && 42 + a4 <= 0) && 0 <= a29 + 31) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a0 + 61 <= 0) && a2 <= 2)) || ((0 < a0 + 147 && 89 + a4 <= 0) && a0 + 61 <= 0)) || (((((((0 < a4 + 86 && 0 < a0 + 147) && 104 + a0 <= 0) && 5 == a2) && !(input == 1)) && 42 + a4 <= 0) && a29 + 16 <= 0) && a0 + 61 <= 0)) || (((0 < a0 + 61 && 5 == a2) && 42 + a4 <= 0) && 0 <= a29 + 31)) || (((((104 + a0 <= 0 && 5 == a2) && 42 + a4 <= 0) && a29 + 16 <= 0) && 0 <= 142 + a29) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 43 < a29) && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0) RESULT: Ultimate proved your program to be correct! [2021-11-23 12:24:57,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc76850-2246-44f8-82f4-c4300b532a4f/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE