./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-queue-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-queue-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 549337a323b926b9a8625736d036f89842644e76 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-queue-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 549337a323b926b9a8625736d036f89842644e76 ..................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:56:58,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:58,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:58,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:58,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:58,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:58,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:58,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:58,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:58,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:58,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:58,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:58,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:58,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:58,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:58,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:58,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:58,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:58,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:58,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:58,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:58,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:58,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:58,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:58,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:58,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:58,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:58,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:58,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:58,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:58,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:58,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:58,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:58,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:58,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:58,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:58,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:58,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:58,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:58,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:58,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:58,715 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-10-22 08:56:58,731 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:58,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:58,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:58,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:58,733 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:58,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:58,733 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:58,733 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:56:58,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:58,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:58,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:58,734 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 08:56:58,734 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 08:56:58,746 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 08:56:58,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:56:58,746 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:58,746 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:58,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:58,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:58,747 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:56:58,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:56:58,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:58,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:58,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:56:58,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:58,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:56:58,749 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> 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 -> 549337a323b926b9a8625736d036f89842644e76 [2019-10-22 08:56:58,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:58,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:58,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:58,815 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:58,815 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:58,816 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/../../sv-benchmarks/c/forester-heap/dll-queue-1.i [2019-10-22 08:56:58,879 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/data/0814bba75/52a4081ed7fc4209b5c76b2674902dce/FLAG884a0f2c3 [2019-10-22 08:56:59,317 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:59,317 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/sv-benchmarks/c/forester-heap/dll-queue-1.i [2019-10-22 08:56:59,331 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/data/0814bba75/52a4081ed7fc4209b5c76b2674902dce/FLAG884a0f2c3 [2019-10-22 08:56:59,837 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/data/0814bba75/52a4081ed7fc4209b5c76b2674902dce [2019-10-22 08:56:59,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:59,840 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 08:56:59,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:59,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:59,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:59,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:59" (1/1) ... [2019-10-22 08:56:59,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9d236b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:59, skipping insertion in model container [2019-10-22 08:56:59,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:59" (1/1) ... [2019-10-22 08:56:59,861 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:59,916 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:00,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:00,261 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:00,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:00,352 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:00,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:00 WrapperNode [2019-10-22 08:57:00,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:00,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:00,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:00,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:00,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:00" (1/1) ... [2019-10-22 08:57:00,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:00" (1/1) ... [2019-10-22 08:57:00,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:00" (1/1) ... [2019-10-22 08:57:00,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:00" (1/1) ... [2019-10-22 08:57:00,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:00" (1/1) ... [2019-10-22 08:57:00,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:00" (1/1) ... [2019-10-22 08:57:00,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:00" (1/1) ... [2019-10-22 08:57:00,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:00,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:00,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:00,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:00,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:00,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 08:57:00,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:00,479 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 08:57:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 08:57:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 08:57:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 08:57:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 08:57:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 08:57:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 08:57:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 08:57:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 08:57:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 08:57:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 08:57:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 08:57:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 08:57:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 08:57:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 08:57:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 08:57:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 08:57:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 08:57:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 08:57:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 08:57:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 08:57:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 08:57:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 08:57:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 08:57:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 08:57:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 08:57:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 08:57:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 08:57:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 08:57:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 08:57:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 08:57:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 08:57:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 08:57:00,484 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 08:57:00,484 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 08:57:00,484 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 08:57:00,484 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 08:57:00,484 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 08:57:00,484 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 08:57:00,484 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 08:57:00,484 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 08:57:00,485 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 08:57:00,485 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 08:57:00,485 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 08:57:00,485 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 08:57:00,485 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 08:57:00,485 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 08:57:00,485 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 08:57:00,486 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 08:57:00,486 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 08:57:00,486 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 08:57:00,486 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 08:57:00,486 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 08:57:00,486 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 08:57:00,487 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 08:57:00,487 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-22 08:57:00,487 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 08:57:00,487 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 08:57:00,488 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 08:57:00,488 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 08:57:00,488 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 08:57:00,488 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 08:57:00,488 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 08:57:00,488 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 08:57:00,488 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 08:57:00,488 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 08:57:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 08:57:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 08:57:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 08:57:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 08:57:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 08:57:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 08:57:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 08:57:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 08:57:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 08:57:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 08:57:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 08:57:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 08:57:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 08:57:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 08:57:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 08:57:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 08:57:00,491 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 08:57:00,491 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 08:57:00,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 08:57:00,491 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 08:57:00,491 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 08:57:00,491 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 08:57:00,491 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 08:57:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 08:57:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 08:57:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 08:57:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 08:57:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 08:57:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 08:57:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 08:57:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 08:57:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 08:57:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 08:57:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 08:57:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 08:57:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 08:57:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 08:57:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 08:57:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 08:57:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-22 08:57:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 08:57:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 08:57:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 08:57:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:57:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 08:57:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:57:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:57:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 08:57:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:01,174 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:01,175 INFO L284 CfgBuilder]: Removed 31 assume(true) statements. [2019-10-22 08:57:01,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:01 BoogieIcfgContainer [2019-10-22 08:57:01,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:01,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:57:01,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:57:01,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:57:01,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:56:59" (1/3) ... [2019-10-22 08:57:01,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d8b1682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:01, skipping insertion in model container [2019-10-22 08:57:01,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:00" (2/3) ... [2019-10-22 08:57:01,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d8b1682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:01, skipping insertion in model container [2019-10-22 08:57:01,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:01" (3/3) ... [2019-10-22 08:57:01,184 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-queue-1.i [2019-10-22 08:57:01,194 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:57:01,201 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 62 error locations. [2019-10-22 08:57:01,213 INFO L249 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2019-10-22 08:57:01,232 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:57:01,232 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 08:57:01,232 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:57:01,232 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:01,232 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:01,232 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:57:01,232 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:01,233 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:57:01,252 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2019-10-22 08:57:01,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 08:57:01,261 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:01,262 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:01,264 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION]=== [2019-10-22 08:57:01,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:01,269 INFO L82 PathProgramCache]: Analyzing trace with hash 560663005, now seen corresponding path program 1 times [2019-10-22 08:57:01,277 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:01,277 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689621669] [2019-10-22 08:57:01,278 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:01,278 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:01,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:01,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:01,444 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689621669] [2019-10-22 08:57:01,445 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:01,445 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:57:01,445 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522402328] [2019-10-22 08:57:01,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:57:01,449 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:01,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:57:01,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:57:01,464 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 4 states. [2019-10-22 08:57:01,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:01,808 INFO L93 Difference]: Finished difference Result 153 states and 164 transitions. [2019-10-22 08:57:01,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:57:01,810 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 08:57:01,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:01,820 INFO L225 Difference]: With dead ends: 153 [2019-10-22 08:57:01,821 INFO L226 Difference]: Without dead ends: 149 [2019-10-22 08:57:01,822 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:57:01,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-10-22 08:57:01,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 145. [2019-10-22 08:57:01,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-10-22 08:57:01,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 157 transitions. [2019-10-22 08:57:01,863 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 157 transitions. Word has length 7 [2019-10-22 08:57:01,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:01,863 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 157 transitions. [2019-10-22 08:57:01,863 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:57:01,863 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 157 transitions. [2019-10-22 08:57:01,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 08:57:01,864 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:01,864 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:01,864 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION]=== [2019-10-22 08:57:01,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:01,865 INFO L82 PathProgramCache]: Analyzing trace with hash 560663006, now seen corresponding path program 1 times [2019-10-22 08:57:01,865 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:01,865 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691047236] [2019-10-22 08:57:01,865 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:01,865 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:01,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:01,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:01,965 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691047236] [2019-10-22 08:57:01,965 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:01,965 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:57:01,965 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79278743] [2019-10-22 08:57:01,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:57:01,967 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:01,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:57:01,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:57:01,967 INFO L87 Difference]: Start difference. First operand 145 states and 157 transitions. Second operand 4 states. [2019-10-22 08:57:02,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:02,274 INFO L93 Difference]: Finished difference Result 138 states and 148 transitions. [2019-10-22 08:57:02,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:57:02,275 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 08:57:02,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:02,276 INFO L225 Difference]: With dead ends: 138 [2019-10-22 08:57:02,276 INFO L226 Difference]: Without dead ends: 138 [2019-10-22 08:57:02,277 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:57:02,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-22 08:57:02,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 134. [2019-10-22 08:57:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-10-22 08:57:02,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 145 transitions. [2019-10-22 08:57:02,288 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 145 transitions. Word has length 7 [2019-10-22 08:57:02,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:02,288 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 145 transitions. [2019-10-22 08:57:02,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:57:02,289 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2019-10-22 08:57:02,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 08:57:02,289 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:02,289 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:02,290 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION]=== [2019-10-22 08:57:02,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:02,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1109601498, now seen corresponding path program 1 times [2019-10-22 08:57:02,292 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:02,292 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888686091] [2019-10-22 08:57:02,293 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:02,293 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:02,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:02,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:02,392 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888686091] [2019-10-22 08:57:02,392 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:02,392 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:57:02,392 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364388565] [2019-10-22 08:57:02,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:57:02,393 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:02,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:57:02,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:57:02,394 INFO L87 Difference]: Start difference. First operand 134 states and 145 transitions. Second operand 5 states. [2019-10-22 08:57:02,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:02,663 INFO L93 Difference]: Finished difference Result 141 states and 151 transitions. [2019-10-22 08:57:02,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:57:02,664 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-10-22 08:57:02,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:02,665 INFO L225 Difference]: With dead ends: 141 [2019-10-22 08:57:02,665 INFO L226 Difference]: Without dead ends: 141 [2019-10-22 08:57:02,666 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:57:02,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-22 08:57:02,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 135. [2019-10-22 08:57:02,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-10-22 08:57:02,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 149 transitions. [2019-10-22 08:57:02,673 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 149 transitions. Word has length 13 [2019-10-22 08:57:02,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:02,673 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 149 transitions. [2019-10-22 08:57:02,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:57:02,673 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 149 transitions. [2019-10-22 08:57:02,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 08:57:02,674 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:02,674 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:02,674 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION]=== [2019-10-22 08:57:02,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:02,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1109601497, now seen corresponding path program 1 times [2019-10-22 08:57:02,675 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:02,675 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475704248] [2019-10-22 08:57:02,675 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:02,676 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:02,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:02,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:02,764 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475704248] [2019-10-22 08:57:02,765 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:02,765 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:57:02,765 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227190571] [2019-10-22 08:57:02,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:57:02,765 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:02,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:57:02,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:57:02,766 INFO L87 Difference]: Start difference. First operand 135 states and 149 transitions. Second operand 5 states. [2019-10-22 08:57:03,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:03,076 INFO L93 Difference]: Finished difference Result 208 states and 223 transitions. [2019-10-22 08:57:03,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:57:03,077 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-10-22 08:57:03,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:03,078 INFO L225 Difference]: With dead ends: 208 [2019-10-22 08:57:03,079 INFO L226 Difference]: Without dead ends: 208 [2019-10-22 08:57:03,079 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:57:03,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2019-10-22 08:57:03,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 142. [2019-10-22 08:57:03,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-10-22 08:57:03,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 158 transitions. [2019-10-22 08:57:03,092 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 158 transitions. Word has length 13 [2019-10-22 08:57:03,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:03,093 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 158 transitions. [2019-10-22 08:57:03,093 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:57:03,093 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 158 transitions. [2019-10-22 08:57:03,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 08:57:03,093 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:03,094 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:03,094 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION]=== [2019-10-22 08:57:03,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:03,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1175150295, now seen corresponding path program 1 times [2019-10-22 08:57:03,095 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:03,095 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595127171] [2019-10-22 08:57:03,095 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:03,095 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:03,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:03,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:03,192 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595127171] [2019-10-22 08:57:03,193 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:03,193 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:57:03,193 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078486916] [2019-10-22 08:57:03,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:57:03,194 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:03,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:57:03,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:57:03,194 INFO L87 Difference]: Start difference. First operand 142 states and 158 transitions. Second operand 6 states. [2019-10-22 08:57:03,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:03,626 INFO L93 Difference]: Finished difference Result 224 states and 246 transitions. [2019-10-22 08:57:03,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:57:03,626 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-10-22 08:57:03,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:03,627 INFO L225 Difference]: With dead ends: 224 [2019-10-22 08:57:03,627 INFO L226 Difference]: Without dead ends: 224 [2019-10-22 08:57:03,627 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:57:03,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-10-22 08:57:03,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 141. [2019-10-22 08:57:03,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-22 08:57:03,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 156 transitions. [2019-10-22 08:57:03,634 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 156 transitions. Word has length 15 [2019-10-22 08:57:03,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:03,634 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 156 transitions. [2019-10-22 08:57:03,634 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:57:03,634 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 156 transitions. [2019-10-22 08:57:03,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 08:57:03,635 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:03,635 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:03,635 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION]=== [2019-10-22 08:57:03,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:03,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1175150294, now seen corresponding path program 1 times [2019-10-22 08:57:03,636 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:03,636 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518773207] [2019-10-22 08:57:03,636 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:03,636 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:03,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:03,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:03,711 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518773207] [2019-10-22 08:57:03,711 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:03,711 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:57:03,711 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783196158] [2019-10-22 08:57:03,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:57:03,712 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:03,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:57:03,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:57:03,712 INFO L87 Difference]: Start difference. First operand 141 states and 156 transitions. Second operand 6 states. [2019-10-22 08:57:04,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:04,061 INFO L93 Difference]: Finished difference Result 233 states and 256 transitions. [2019-10-22 08:57:04,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:57:04,062 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-10-22 08:57:04,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:04,063 INFO L225 Difference]: With dead ends: 233 [2019-10-22 08:57:04,063 INFO L226 Difference]: Without dead ends: 233 [2019-10-22 08:57:04,064 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:57:04,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2019-10-22 08:57:04,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 140. [2019-10-22 08:57:04,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-22 08:57:04,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 154 transitions. [2019-10-22 08:57:04,069 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 154 transitions. Word has length 15 [2019-10-22 08:57:04,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:04,069 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 154 transitions. [2019-10-22 08:57:04,069 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:57:04,069 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 154 transitions. [2019-10-22 08:57:04,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:57:04,070 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:04,070 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:04,070 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION]=== [2019-10-22 08:57:04,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:04,071 INFO L82 PathProgramCache]: Analyzing trace with hash 2130631019, now seen corresponding path program 1 times [2019-10-22 08:57:04,071 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:04,071 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505938544] [2019-10-22 08:57:04,071 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:04,071 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:04,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:04,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:04,176 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505938544] [2019-10-22 08:57:04,176 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:04,176 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-22 08:57:04,176 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187130874] [2019-10-22 08:57:04,176 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 08:57:04,177 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:04,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 08:57:04,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:57:04,177 INFO L87 Difference]: Start difference. First operand 140 states and 154 transitions. Second operand 10 states. [2019-10-22 08:57:04,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:04,686 INFO L93 Difference]: Finished difference Result 144 states and 155 transitions. [2019-10-22 08:57:04,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 08:57:04,687 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2019-10-22 08:57:04,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:04,688 INFO L225 Difference]: With dead ends: 144 [2019-10-22 08:57:04,688 INFO L226 Difference]: Without dead ends: 144 [2019-10-22 08:57:04,688 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2019-10-22 08:57:04,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-10-22 08:57:04,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 139. [2019-10-22 08:57:04,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-10-22 08:57:04,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 153 transitions. [2019-10-22 08:57:04,693 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 153 transitions. Word has length 19 [2019-10-22 08:57:04,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:04,694 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 153 transitions. [2019-10-22 08:57:04,694 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 08:57:04,694 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 153 transitions. [2019-10-22 08:57:04,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:57:04,694 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:04,695 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:04,695 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION]=== [2019-10-22 08:57:04,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:04,695 INFO L82 PathProgramCache]: Analyzing trace with hash 2130631020, now seen corresponding path program 1 times [2019-10-22 08:57:04,695 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:04,696 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558068781] [2019-10-22 08:57:04,696 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:04,696 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:04,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:04,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:04,833 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558068781] [2019-10-22 08:57:04,833 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:04,833 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-22 08:57:04,833 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479322931] [2019-10-22 08:57:04,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-22 08:57:04,834 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:04,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-22 08:57:04,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:57:04,834 INFO L87 Difference]: Start difference. First operand 139 states and 153 transitions. Second operand 11 states. [2019-10-22 08:57:05,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:05,750 INFO L93 Difference]: Finished difference Result 193 states and 207 transitions. [2019-10-22 08:57:05,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-22 08:57:05,751 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2019-10-22 08:57:05,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:05,751 INFO L225 Difference]: With dead ends: 193 [2019-10-22 08:57:05,752 INFO L226 Difference]: Without dead ends: 193 [2019-10-22 08:57:05,752 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2019-10-22 08:57:05,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2019-10-22 08:57:05,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 125. [2019-10-22 08:57:05,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-10-22 08:57:05,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 138 transitions. [2019-10-22 08:57:05,756 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 138 transitions. Word has length 19 [2019-10-22 08:57:05,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:05,756 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 138 transitions. [2019-10-22 08:57:05,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-22 08:57:05,757 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 138 transitions. [2019-10-22 08:57:05,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 08:57:05,757 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:05,758 INFO L380 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] [2019-10-22 08:57:05,758 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION]=== [2019-10-22 08:57:05,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:05,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1638281603, now seen corresponding path program 1 times [2019-10-22 08:57:05,758 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:05,759 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281434101] [2019-10-22 08:57:05,759 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:05,759 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:05,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:05,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:05,800 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281434101] [2019-10-22 08:57:05,800 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:05,800 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:57:05,800 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539721283] [2019-10-22 08:57:05,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:57:05,801 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:05,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:57:05,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:57:05,801 INFO L87 Difference]: Start difference. First operand 125 states and 138 transitions. Second operand 4 states. [2019-10-22 08:57:05,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:05,954 INFO L93 Difference]: Finished difference Result 180 states and 200 transitions. [2019-10-22 08:57:05,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:57:05,954 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2019-10-22 08:57:05,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:05,955 INFO L225 Difference]: With dead ends: 180 [2019-10-22 08:57:05,955 INFO L226 Difference]: Without dead ends: 180 [2019-10-22 08:57:05,956 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:57:05,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2019-10-22 08:57:05,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 140. [2019-10-22 08:57:05,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-22 08:57:05,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 154 transitions. [2019-10-22 08:57:05,959 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 154 transitions. Word has length 23 [2019-10-22 08:57:05,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:05,960 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 154 transitions. [2019-10-22 08:57:05,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:57:05,960 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 154 transitions. [2019-10-22 08:57:05,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 08:57:05,960 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:05,960 INFO L380 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] [2019-10-22 08:57:05,961 INFO L410 AbstractCegarLoop]: === Iteration 10 === [mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION]=== [2019-10-22 08:57:05,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:05,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1400903352, now seen corresponding path program 1 times [2019-10-22 08:57:05,963 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:05,963 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950458615] [2019-10-22 08:57:05,963 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:05,963 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:05,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:06,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:06,002 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950458615] [2019-10-22 08:57:06,002 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:06,002 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:57:06,003 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945306430] [2019-10-22 08:57:06,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:57:06,003 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:06,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:57:06,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:57:06,003 INFO L87 Difference]: Start difference. First operand 140 states and 154 transitions. Second operand 4 states. [2019-10-22 08:57:06,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:06,153 INFO L93 Difference]: Finished difference Result 140 states and 153 transitions. [2019-10-22 08:57:06,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:57:06,153 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-10-22 08:57:06,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:06,154 INFO L225 Difference]: With dead ends: 140 [2019-10-22 08:57:06,154 INFO L226 Difference]: Without dead ends: 140 [2019-10-22 08:57:06,154 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:57:06,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-10-22 08:57:06,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-10-22 08:57:06,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-22 08:57:06,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 153 transitions. [2019-10-22 08:57:06,158 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 153 transitions. Word has length 25 [2019-10-22 08:57:06,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:06,158 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 153 transitions. [2019-10-22 08:57:06,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:57:06,159 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 153 transitions. [2019-10-22 08:57:06,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 08:57:06,159 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:06,159 INFO L380 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] [2019-10-22 08:57:06,160 INFO L410 AbstractCegarLoop]: === Iteration 11 === [mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION]=== [2019-10-22 08:57:06,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:06,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1400879870, now seen corresponding path program 1 times [2019-10-22 08:57:06,160 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:06,160 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267533009] [2019-10-22 08:57:06,160 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:06,160 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:06,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:06,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:06,212 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267533009] [2019-10-22 08:57:06,212 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:06,212 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:57:06,212 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631643127] [2019-10-22 08:57:06,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:57:06,213 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:06,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:57:06,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:57:06,213 INFO L87 Difference]: Start difference. First operand 140 states and 153 transitions. Second operand 5 states. [2019-10-22 08:57:06,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:06,353 INFO L93 Difference]: Finished difference Result 173 states and 189 transitions. [2019-10-22 08:57:06,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:57:06,353 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 08:57:06,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:06,354 INFO L225 Difference]: With dead ends: 173 [2019-10-22 08:57:06,354 INFO L226 Difference]: Without dead ends: 173 [2019-10-22 08:57:06,354 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:57:06,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-10-22 08:57:06,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 151. [2019-10-22 08:57:06,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-10-22 08:57:06,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 168 transitions. [2019-10-22 08:57:06,358 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 168 transitions. Word has length 25 [2019-10-22 08:57:06,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:06,358 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 168 transitions. [2019-10-22 08:57:06,358 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:57:06,358 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2019-10-22 08:57:06,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 08:57:06,359 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:06,359 INFO L380 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] [2019-10-22 08:57:06,359 INFO L410 AbstractCegarLoop]: === Iteration 12 === [mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION]=== [2019-10-22 08:57:06,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:06,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1941896724, now seen corresponding path program 1 times [2019-10-22 08:57:06,360 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:06,360 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74870588] [2019-10-22 08:57:06,360 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:06,360 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:06,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:06,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:06,448 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74870588] [2019-10-22 08:57:06,448 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:06,448 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:57:06,448 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077249414] [2019-10-22 08:57:06,448 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:57:06,449 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:06,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:57:06,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:57:06,449 INFO L87 Difference]: Start difference. First operand 151 states and 168 transitions. Second operand 7 states. [2019-10-22 08:57:06,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:06,682 INFO L93 Difference]: Finished difference Result 149 states and 162 transitions. [2019-10-22 08:57:06,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:57:06,682 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2019-10-22 08:57:06,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:06,683 INFO L225 Difference]: With dead ends: 149 [2019-10-22 08:57:06,683 INFO L226 Difference]: Without dead ends: 149 [2019-10-22 08:57:06,683 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:57:06,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-10-22 08:57:06,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 145. [2019-10-22 08:57:06,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-10-22 08:57:06,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 158 transitions. [2019-10-22 08:57:06,687 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 158 transitions. Word has length 27 [2019-10-22 08:57:06,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:06,688 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 158 transitions. [2019-10-22 08:57:06,688 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:57:06,688 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 158 transitions. [2019-10-22 08:57:06,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 08:57:06,693 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:06,693 INFO L380 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] [2019-10-22 08:57:06,693 INFO L410 AbstractCegarLoop]: === Iteration 13 === [mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION]=== [2019-10-22 08:57:06,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:06,694 INFO L82 PathProgramCache]: Analyzing trace with hash -166889362, now seen corresponding path program 1 times [2019-10-22 08:57:06,694 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:06,694 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785494595] [2019-10-22 08:57:06,694 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:06,694 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:06,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:06,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:06,741 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785494595] [2019-10-22 08:57:06,741 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:06,741 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:57:06,741 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233566340] [2019-10-22 08:57:06,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:57:06,741 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:06,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:57:06,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:57:06,742 INFO L87 Difference]: Start difference. First operand 145 states and 158 transitions. Second operand 5 states. [2019-10-22 08:57:06,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:06,928 INFO L93 Difference]: Finished difference Result 145 states and 157 transitions. [2019-10-22 08:57:06,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:57:06,928 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-10-22 08:57:06,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:06,929 INFO L225 Difference]: With dead ends: 145 [2019-10-22 08:57:06,929 INFO L226 Difference]: Without dead ends: 145 [2019-10-22 08:57:06,929 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:57:06,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-10-22 08:57:06,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2019-10-22 08:57:06,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-10-22 08:57:06,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 157 transitions. [2019-10-22 08:57:06,932 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 157 transitions. Word has length 27 [2019-10-22 08:57:06,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:06,932 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 157 transitions. [2019-10-22 08:57:06,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:57:06,933 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 157 transitions. [2019-10-22 08:57:06,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 08:57:06,933 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:06,933 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 08:57:06,934 INFO L410 AbstractCegarLoop]: === Iteration 14 === [mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION]=== [2019-10-22 08:57:06,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:06,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1771572099, now seen corresponding path program 1 times [2019-10-22 08:57:06,934 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:06,934 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227712747] [2019-10-22 08:57:06,934 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:06,934 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:06,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:07,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:07,028 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227712747] [2019-10-22 08:57:07,028 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565872435] [2019-10-22 08:57:07,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:07,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-22 08:57:07,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:07,238 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-10-22 08:57:07,238 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:07,244 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:07,246 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-10-22 08:57:07,246 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:07,250 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:07,250 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:57:07,250 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2019-10-22 08:57:07,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:07,252 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:57:07,252 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 10 [2019-10-22 08:57:07,253 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095500471] [2019-10-22 08:57:07,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 08:57:07,253 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:07,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 08:57:07,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:57:07,253 INFO L87 Difference]: Start difference. First operand 145 states and 157 transitions. Second operand 10 states. [2019-10-22 08:57:07,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:07,655 INFO L93 Difference]: Finished difference Result 172 states and 188 transitions. [2019-10-22 08:57:07,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-22 08:57:07,656 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2019-10-22 08:57:07,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:07,657 INFO L225 Difference]: With dead ends: 172 [2019-10-22 08:57:07,657 INFO L226 Difference]: Without dead ends: 172 [2019-10-22 08:57:07,657 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2019-10-22 08:57:07,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-10-22 08:57:07,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 155. [2019-10-22 08:57:07,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-10-22 08:57:07,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 168 transitions. [2019-10-22 08:57:07,661 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 168 transitions. Word has length 30 [2019-10-22 08:57:07,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:07,661 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 168 transitions. [2019-10-22 08:57:07,662 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 08:57:07,662 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 168 transitions. [2019-10-22 08:57:07,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 08:57:07,662 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:07,662 INFO L380 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] [2019-10-22 08:57:07,863 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:07,864 INFO L410 AbstractCegarLoop]: === Iteration 15 === [mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION]=== [2019-10-22 08:57:07,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:07,864 INFO L82 PathProgramCache]: Analyzing trace with hash -915840923, now seen corresponding path program 1 times [2019-10-22 08:57:07,864 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:07,864 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465651787] [2019-10-22 08:57:07,864 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:07,864 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:07,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:07,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:07,933 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465651787] [2019-10-22 08:57:07,933 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146040355] [2019-10-22 08:57:07,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:08,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-22 08:57:08,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:08,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:08,083 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:57:08,084 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-10-22 08:57:08,084 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999087713] [2019-10-22 08:57:08,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 08:57:08,084 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:08,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 08:57:08,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:57:08,085 INFO L87 Difference]: Start difference. First operand 155 states and 168 transitions. Second operand 9 states. [2019-10-22 08:57:08,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:08,264 INFO L93 Difference]: Finished difference Result 165 states and 177 transitions. [2019-10-22 08:57:08,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:57:08,264 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2019-10-22 08:57:08,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:08,265 INFO L225 Difference]: With dead ends: 165 [2019-10-22 08:57:08,265 INFO L226 Difference]: Without dead ends: 146 [2019-10-22 08:57:08,266 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:57:08,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-10-22 08:57:08,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-10-22 08:57:08,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-22 08:57:08,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 158 transitions. [2019-10-22 08:57:08,270 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 158 transitions. Word has length 31 [2019-10-22 08:57:08,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:08,271 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 158 transitions. [2019-10-22 08:57:08,271 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 08:57:08,271 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 158 transitions. [2019-10-22 08:57:08,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 08:57:08,272 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:08,272 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 08:57:08,472 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:08,473 INFO L410 AbstractCegarLoop]: === Iteration 16 === [mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION]=== [2019-10-22 08:57:08,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:08,473 INFO L82 PathProgramCache]: Analyzing trace with hash -2016098241, now seen corresponding path program 1 times [2019-10-22 08:57:08,473 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:08,473 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242520071] [2019-10-22 08:57:08,473 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:08,474 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:08,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:08,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:08,517 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242520071] [2019-10-22 08:57:08,517 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:08,517 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:57:08,517 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511821278] [2019-10-22 08:57:08,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:57:08,518 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:08,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:57:08,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:57:08,518 INFO L87 Difference]: Start difference. First operand 146 states and 158 transitions. Second operand 4 states. [2019-10-22 08:57:08,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:08,688 INFO L93 Difference]: Finished difference Result 217 states and 235 transitions. [2019-10-22 08:57:08,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:57:08,689 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2019-10-22 08:57:08,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:08,690 INFO L225 Difference]: With dead ends: 217 [2019-10-22 08:57:08,690 INFO L226 Difference]: Without dead ends: 217 [2019-10-22 08:57:08,690 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:57:08,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2019-10-22 08:57:08,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 166. [2019-10-22 08:57:08,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-10-22 08:57:08,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 179 transitions. [2019-10-22 08:57:08,707 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 179 transitions. Word has length 39 [2019-10-22 08:57:08,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:08,708 INFO L462 AbstractCegarLoop]: Abstraction has 166 states and 179 transitions. [2019-10-22 08:57:08,708 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:57:08,708 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 179 transitions. [2019-10-22 08:57:08,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 08:57:08,709 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:08,709 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 08:57:08,709 INFO L410 AbstractCegarLoop]: === Iteration 17 === [mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION]=== [2019-10-22 08:57:08,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:08,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1116613087, now seen corresponding path program 1 times [2019-10-22 08:57:08,709 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:08,710 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955226764] [2019-10-22 08:57:08,710 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:08,710 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:08,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:08,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:08,976 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955226764] [2019-10-22 08:57:08,976 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109150328] [2019-10-22 08:57:08,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:09,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 24 conjunts are in the unsatisfiable core [2019-10-22 08:57:09,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:09,101 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:09,102 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-10-22 08:57:09,102 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:09,129 INFO L567 ElimStorePlain]: treesize reduction 14, result has 60.0 percent of original size [2019-10-22 08:57:09,129 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:57:09,130 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2019-10-22 08:57:09,151 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-10-22 08:57:09,151 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:09,158 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:09,158 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:57:09,159 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2019-10-22 08:57:09,236 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:09,237 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 57 [2019-10-22 08:57:09,238 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 08:57:09,239 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:57:09,241 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:57:09,242 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2019-10-22 08:57:09,283 INFO L567 ElimStorePlain]: treesize reduction 136, result has 24.0 percent of original size [2019-10-22 08:57:09,283 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 08:57:09,284 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:42 [2019-10-22 08:57:09,405 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:09,405 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 110 [2019-10-22 08:57:09,406 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:09,430 INFO L567 ElimStorePlain]: treesize reduction 54, result has 44.9 percent of original size [2019-10-22 08:57:09,430 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:57:09,430 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:54, output treesize:29 [2019-10-22 08:57:09,501 INFO L341 Elim1Store]: treesize reduction 38, result has 56.3 percent of original size [2019-10-22 08:57:09,502 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 79 [2019-10-22 08:57:09,502 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:57:09,503 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:09,516 INFO L567 ElimStorePlain]: treesize reduction 32, result has 51.5 percent of original size [2019-10-22 08:57:09,517 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 08:57:09,517 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:34 [2019-10-22 08:57:09,565 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:09,565 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2019-10-22 08:57:09,566 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:09,577 INFO L567 ElimStorePlain]: treesize reduction 12, result has 55.6 percent of original size [2019-10-22 08:57:09,578 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 08:57:09,578 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:41, output treesize:15 [2019-10-22 08:57:09,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:09,645 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:57:09,645 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 25 [2019-10-22 08:57:09,645 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463923630] [2019-10-22 08:57:09,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-10-22 08:57:09,645 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:09,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-10-22 08:57:09,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=520, Unknown=0, NotChecked=0, Total=650 [2019-10-22 08:57:09,646 INFO L87 Difference]: Start difference. First operand 166 states and 179 transitions. Second operand 26 states. [2019-10-22 08:57:10,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:10,703 INFO L93 Difference]: Finished difference Result 238 states and 258 transitions. [2019-10-22 08:57:10,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-10-22 08:57:10,704 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 46 [2019-10-22 08:57:10,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:10,705 INFO L225 Difference]: With dead ends: 238 [2019-10-22 08:57:10,705 INFO L226 Difference]: Without dead ends: 238 [2019-10-22 08:57:10,705 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 584 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=501, Invalid=1653, Unknown=8, NotChecked=0, Total=2162 [2019-10-22 08:57:10,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2019-10-22 08:57:10,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 192. [2019-10-22 08:57:10,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-10-22 08:57:10,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 210 transitions. [2019-10-22 08:57:10,709 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 210 transitions. Word has length 46 [2019-10-22 08:57:10,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:10,710 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 210 transitions. [2019-10-22 08:57:10,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-10-22 08:57:10,710 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 210 transitions. [2019-10-22 08:57:10,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 08:57:10,711 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:10,711 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 08:57:10,911 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:10,912 INFO L410 AbstractCegarLoop]: === Iteration 18 === [mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION]=== [2019-10-22 08:57:10,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:10,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1116613086, now seen corresponding path program 1 times [2019-10-22 08:57:10,912 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:10,912 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165794660] [2019-10-22 08:57:10,912 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:10,912 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:10,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:11,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:11,147 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165794660] [2019-10-22 08:57:11,148 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086957236] [2019-10-22 08:57:11,148 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:11,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 38 conjunts are in the unsatisfiable core [2019-10-22 08:57:11,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:11,247 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_65|], 1=[|v_#valid_77|]} [2019-10-22 08:57:11,250 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-10-22 08:57:11,250 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:11,263 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:11,272 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:11,272 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-10-22 08:57:11,273 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:11,285 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:11,285 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:57:11,285 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2019-10-22 08:57:11,292 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-10-22 08:57:11,292 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:11,304 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:11,308 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-10-22 08:57:11,308 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:11,322 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:11,323 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:57:11,323 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:31 [2019-10-22 08:57:11,393 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 24 [2019-10-22 08:57:11,393 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:11,402 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:11,415 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:11,415 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 66 [2019-10-22 08:57:11,416 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:57:11,417 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2019-10-22 08:57:11,441 INFO L567 ElimStorePlain]: treesize reduction 48, result has 54.7 percent of original size [2019-10-22 08:57:11,441 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 08:57:11,442 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:73, output treesize:57 [2019-10-22 08:57:11,560 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:11,560 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 119 [2019-10-22 08:57:11,561 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:11,594 INFO L567 ElimStorePlain]: treesize reduction 54, result has 55.0 percent of original size [2019-10-22 08:57:11,605 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:11,605 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 52 [2019-10-22 08:57:11,605 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:11,635 INFO L567 ElimStorePlain]: treesize reduction 16, result has 81.0 percent of original size [2019-10-22 08:57:11,635 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:57:11,636 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:57:11,637 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:57:11,637 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:80, output treesize:38 [2019-10-22 08:57:11,698 INFO L341 Elim1Store]: treesize reduction 38, result has 56.3 percent of original size [2019-10-22 08:57:11,698 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 102 treesize of output 105 [2019-10-22 08:57:11,699 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 08:57:11,700 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:57:11,701 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:57:11,702 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:57:11,703 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2019-10-22 08:57:11,735 INFO L567 ElimStorePlain]: treesize reduction 166, result has 32.2 percent of original size [2019-10-22 08:57:11,738 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:57:11,739 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 53 [2019-10-22 08:57:11,739 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:11,746 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:11,746 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 08:57:11,747 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:109, output treesize:47 [2019-10-22 08:57:11,814 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:11,814 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 38 [2019-10-22 08:57:11,815 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:11,834 INFO L567 ElimStorePlain]: treesize reduction 12, result has 72.1 percent of original size [2019-10-22 08:57:11,836 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2019-10-22 08:57:11,837 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:11,840 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:11,841 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:57:11,841 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:61, output treesize:9 [2019-10-22 08:57:11,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:11,892 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:57:11,892 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 23 [2019-10-22 08:57:11,892 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109887032] [2019-10-22 08:57:11,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-10-22 08:57:11,893 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:11,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-10-22 08:57:11,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2019-10-22 08:57:11,893 INFO L87 Difference]: Start difference. First operand 192 states and 210 transitions. Second operand 24 states. [2019-10-22 08:57:13,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:13,388 INFO L93 Difference]: Finished difference Result 227 states and 248 transitions. [2019-10-22 08:57:13,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-22 08:57:13,389 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 46 [2019-10-22 08:57:13,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:13,389 INFO L225 Difference]: With dead ends: 227 [2019-10-22 08:57:13,389 INFO L226 Difference]: Without dead ends: 227 [2019-10-22 08:57:13,390 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=327, Invalid=1650, Unknown=3, NotChecked=0, Total=1980 [2019-10-22 08:57:13,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-10-22 08:57:13,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 196. [2019-10-22 08:57:13,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2019-10-22 08:57:13,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 213 transitions. [2019-10-22 08:57:13,394 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 213 transitions. Word has length 46 [2019-10-22 08:57:13,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:13,394 INFO L462 AbstractCegarLoop]: Abstraction has 196 states and 213 transitions. [2019-10-22 08:57:13,394 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-10-22 08:57:13,394 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 213 transitions. [2019-10-22 08:57:13,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-22 08:57:13,395 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:13,395 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 08:57:13,596 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:13,596 INFO L410 AbstractCegarLoop]: === Iteration 19 === [mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION]=== [2019-10-22 08:57:13,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:13,596 INFO L82 PathProgramCache]: Analyzing trace with hash 38564742, now seen corresponding path program 1 times [2019-10-22 08:57:13,596 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:13,596 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419131475] [2019-10-22 08:57:13,597 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:13,597 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:13,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:13,623 ERROR L253 erpolLogProxyWrapper]: Interpolant 13 not inductive [2019-10-22 08:57:13,632 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:221) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:863) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:193) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 08:57:13,638 INFO L168 Benchmark]: Toolchain (without parser) took 13797.47 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 373.3 MB). Free memory was 939.1 MB in the beginning and 910.7 MB in the end (delta: 28.5 MB). Peak memory consumption was 401.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:13,638 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:13,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 511.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -155.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:13,639 INFO L168 Benchmark]: Boogie Preprocessor took 70.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:13,639 INFO L168 Benchmark]: RCFGBuilder took 751.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.7 MB). Peak memory consumption was 75.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:13,640 INFO L168 Benchmark]: TraceAbstraction took 12459.77 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 254.3 MB). Free memory was 1.0 GB in the beginning and 910.7 MB in the end (delta: 108.4 MB). Peak memory consumption was 362.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:13,641 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 511.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -155.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 751.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.7 MB). Peak memory consumption was 75.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12459.77 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 254.3 MB). Free memory was 1.0 GB in the beginning and 910.7 MB in the end (delta: 108.4 MB). Peak memory consumption was 362.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:221) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 08:57:15,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:15,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:15,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:15,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:15,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:15,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:15,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:15,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:15,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:15,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:15,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:15,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:15,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:15,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:15,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:15,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:15,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:15,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:15,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:15,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:15,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:15,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:15,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:15,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:15,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:15,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:15,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:15,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:15,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:15,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:15,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:15,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:15,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:15,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:15,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:15,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:15,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:15,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:15,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:15,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:15,722 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-10-22 08:57:15,734 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:15,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:15,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:15,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:15,736 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:15,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:15,736 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:57:15,736 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:57:15,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:15,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:57:15,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:15,737 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 08:57:15,737 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 08:57:15,737 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 08:57:15,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:57:15,738 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:57:15,738 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:57:15,738 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:57:15,738 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:15,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:15,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:15,747 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:57:15,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:57:15,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:15,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:15,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:57:15,748 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:57:15,748 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:57:15,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:57:15,748 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> 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 -> 549337a323b926b9a8625736d036f89842644e76 [2019-10-22 08:57:15,787 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:15,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:15,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:15,806 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:15,807 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:15,807 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/../../sv-benchmarks/c/forester-heap/dll-queue-1.i [2019-10-22 08:57:15,860 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/data/feab68fb2/f7c0ed3a2a0344bf9761244d3ef59302/FLAGed43bf078 [2019-10-22 08:57:16,257 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:16,258 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/sv-benchmarks/c/forester-heap/dll-queue-1.i [2019-10-22 08:57:16,268 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/data/feab68fb2/f7c0ed3a2a0344bf9761244d3ef59302/FLAGed43bf078 [2019-10-22 08:57:16,611 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/data/feab68fb2/f7c0ed3a2a0344bf9761244d3ef59302 [2019-10-22 08:57:16,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:16,615 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 08:57:16,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:16,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:16,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:16,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:16" (1/1) ... [2019-10-22 08:57:16,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bf4350f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:16, skipping insertion in model container [2019-10-22 08:57:16,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:16" (1/1) ... [2019-10-22 08:57:16,629 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:16,673 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:16,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:16,985 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:17,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:17,163 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:17,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17 WrapperNode [2019-10-22 08:57:17,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:17,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:17,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:17,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:17,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:17,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:17,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:17,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:17,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:17,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 08:57:17,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:17,289 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 08:57:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 08:57:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 08:57:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 08:57:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 08:57:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 08:57:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 08:57:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 08:57:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 08:57:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 08:57:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 08:57:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 08:57:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 08:57:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 08:57:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 08:57:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 08:57:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 08:57:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 08:57:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 08:57:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 08:57:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 08:57:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 08:57:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 08:57:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 08:57:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 08:57:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 08:57:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 08:57:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 08:57:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 08:57:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 08:57:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 08:57:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 08:57:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 08:57:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 08:57:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 08:57:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 08:57:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 08:57:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 08:57:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 08:57:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 08:57:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 08:57:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 08:57:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 08:57:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 08:57:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 08:57:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 08:57:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 08:57:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 08:57:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 08:57:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 08:57:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 08:57:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 08:57:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 08:57:17,297 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 08:57:17,297 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 08:57:17,297 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-22 08:57:17,297 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 08:57:17,297 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 08:57:17,297 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 08:57:17,297 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 08:57:17,297 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 08:57:17,298 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 08:57:17,298 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 08:57:17,298 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 08:57:17,298 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 08:57:17,298 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 08:57:17,298 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 08:57:17,298 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 08:57:17,299 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 08:57:17,299 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 08:57:17,299 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 08:57:17,299 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 08:57:17,299 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 08:57:17,299 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 08:57:17,300 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 08:57:17,300 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 08:57:17,300 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 08:57:17,300 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 08:57:17,300 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 08:57:17,300 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 08:57:17,300 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 08:57:17,300 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 08:57:17,300 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 08:57:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 08:57:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 08:57:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 08:57:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 08:57:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 08:57:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 08:57:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 08:57:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 08:57:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 08:57:17,302 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 08:57:17,302 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 08:57:17,302 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 08:57:17,302 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 08:57:17,302 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 08:57:17,302 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 08:57:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 08:57:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 08:57:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 08:57:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 08:57:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 08:57:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 08:57:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 08:57:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-22 08:57:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 08:57:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 08:57:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 08:57:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 08:57:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 08:57:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 08:57:17,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:57:17,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 08:57:17,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:18,194 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:18,195 INFO L284 CfgBuilder]: Removed 31 assume(true) statements. [2019-10-22 08:57:18,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:18 BoogieIcfgContainer [2019-10-22 08:57:18,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:18,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:57:18,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:57:18,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:57:18,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:57:16" (1/3) ... [2019-10-22 08:57:18,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a7ccde5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:18, skipping insertion in model container [2019-10-22 08:57:18,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (2/3) ... [2019-10-22 08:57:18,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a7ccde5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:18, skipping insertion in model container [2019-10-22 08:57:18,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:18" (3/3) ... [2019-10-22 08:57:18,206 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-queue-1.i [2019-10-22 08:57:18,216 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:57:18,226 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 62 error locations. [2019-10-22 08:57:18,237 INFO L249 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2019-10-22 08:57:18,256 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:57:18,256 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 08:57:18,257 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:57:18,257 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:18,257 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:18,257 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:57:18,257 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:18,258 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:57:18,282 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2019-10-22 08:57:18,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 08:57:18,294 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:18,295 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:18,297 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr20REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr39REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION]=== [2019-10-22 08:57:18,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:18,303 INFO L82 PathProgramCache]: Analyzing trace with hash 2050322133, now seen corresponding path program 1 times [2019-10-22 08:57:18,310 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:57:18,310 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1257333099] [2019-10-22 08:57:18,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea128b86-6b4e-403e-aa66-0a828a58f4c4/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 08:57:18,527 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 08:57:18,528 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort C_DOUBLE not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.createExternalManagedScript(IpTcStrategyModuleTraceCheck.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 08:57:18,532 INFO L168 Benchmark]: Toolchain (without parser) took 1916.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -91.4 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:18,533 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:18,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:18,534 INFO L168 Benchmark]: Boogie Preprocessor took 73.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:18,536 INFO L168 Benchmark]: RCFGBuilder took 958.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:18,536 INFO L168 Benchmark]: TraceAbstraction took 332.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:18,539 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 548.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 958.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 332.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Sort C_DOUBLE not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...