./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/dll-queue-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-queue-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39996758d4a4793ed5619e696b4574ccdffaa666 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-queue-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39996758d4a4793ed5619e696b4574ccdffaa666 ................................................................................................................................................................................................................................................................................................................................................... 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 09:02:50,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:50,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:50,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:50,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:50,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:50,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:50,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:50,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:50,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:50,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:50,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:50,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:50,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:50,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:50,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:50,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:50,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:50,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:50,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:50,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:50,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:50,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:50,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:50,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:50,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:50,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:50,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:50,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:50,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:50,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:50,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:50,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:50,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:50,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:50,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:50,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:50,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:50,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:50,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:50,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:50,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-10-22 09:02:50,740 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:50,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:50,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:50,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:50,741 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:50,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:50,742 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:50,742 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:02:50,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:50,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:50,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:50,742 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 09:02:50,743 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 09:02:50,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:50,743 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:50,743 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:50,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:50,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:50,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:50,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:50,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:50,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:50,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:50,744 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:50,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:02:50,745 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_25262103-360a-437e-b40a-2e9431e767c2/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-memcleanup) ) 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 -> 39996758d4a4793ed5619e696b4574ccdffaa666 [2019-10-22 09:02:50,777 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:50,786 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:50,789 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:50,791 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:50,791 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:50,792 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer/../../sv-benchmarks/c/forester-heap/dll-queue-2.i [2019-10-22 09:02:50,837 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer/data/54f2d5f31/2cb21d90ba6647d798d3e88b0c734db2/FLAG9cb6dc892 [2019-10-22 09:02:51,245 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:51,249 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/sv-benchmarks/c/forester-heap/dll-queue-2.i [2019-10-22 09:02:51,257 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer/data/54f2d5f31/2cb21d90ba6647d798d3e88b0c734db2/FLAG9cb6dc892 [2019-10-22 09:02:51,266 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer/data/54f2d5f31/2cb21d90ba6647d798d3e88b0c734db2 [2019-10-22 09:02:51,269 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:51,269 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 09:02:51,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:51,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:51,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:51,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:51" (1/1) ... [2019-10-22 09:02:51,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d423bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51, skipping insertion in model container [2019-10-22 09:02:51,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:51" (1/1) ... [2019-10-22 09:02:51,284 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:51,325 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:51,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:51,632 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:51,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:51,726 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:51,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51 WrapperNode [2019-10-22 09:02:51,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:51,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:51,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:51,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:51,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51" (1/1) ... [2019-10-22 09:02:51,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51" (1/1) ... [2019-10-22 09:02:51,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51" (1/1) ... [2019-10-22 09:02:51,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51" (1/1) ... [2019-10-22 09:02:51,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51" (1/1) ... [2019-10-22 09:02:51,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51" (1/1) ... [2019-10-22 09:02:51,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51" (1/1) ... [2019-10-22 09:02:51,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:51,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:51,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:51,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:51,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/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 09:02:51,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 09:02:51,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:51,874 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 09:02:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 09:02:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 09:02:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 09:02:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 09:02:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 09:02:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 09:02:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 09:02:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 09:02:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 09:02:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 09:02:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 09:02:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 09:02:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 09:02:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 09:02:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 09:02:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 09:02:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 09:02:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 09:02:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 09:02:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 09:02:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 09:02:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 09:02:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 09:02:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 09:02:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 09:02:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 09:02:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 09:02:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 09:02:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 09:02:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 09:02:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 09:02:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 09:02:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 09:02:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 09:02:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 09:02:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 09:02:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 09:02:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 09:02:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 09:02:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 09:02:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 09:02:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 09:02:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 09:02:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 09:02:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 09:02:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 09:02:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 09:02:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 09:02:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 09:02:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 09:02:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 09:02:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 09:02:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 09:02:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 09:02:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-22 09:02:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 09:02:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 09:02:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 09:02:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 09:02:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 09:02:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 09:02:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 09:02:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 09:02:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 09:02:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 09:02:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 09:02:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 09:02:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 09:02:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 09:02:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 09:02:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 09:02:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 09:02:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 09:02:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 09:02:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 09:02:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 09:02:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 09:02:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 09:02:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 09:02:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 09:02:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 09:02:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 09:02:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 09:02:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 09:02:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 09:02:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 09:02:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 09:02:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 09:02:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 09:02:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 09:02:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 09:02:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 09:02:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 09:02:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 09:02:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 09:02:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 09:02:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 09:02:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 09:02:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 09:02:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 09:02:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 09:02:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 09:02:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 09:02:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 09:02:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-22 09:02:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 09:02:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 09:02:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 09:02:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 09:02:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 09:02:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 09:02:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:02:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 09:02:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:52,751 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:52,751 INFO L284 CfgBuilder]: Removed 31 assume(true) statements. [2019-10-22 09:02:52,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:52 BoogieIcfgContainer [2019-10-22 09:02:52,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:52,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:52,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:52,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:52,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:51" (1/3) ... [2019-10-22 09:02:52,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66697091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:52, skipping insertion in model container [2019-10-22 09:02:52,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51" (2/3) ... [2019-10-22 09:02:52,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66697091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:52, skipping insertion in model container [2019-10-22 09:02:52,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:52" (3/3) ... [2019-10-22 09:02:52,760 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-queue-2.i [2019-10-22 09:02:52,769 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:52,776 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 62 error locations. [2019-10-22 09:02:52,789 INFO L249 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2019-10-22 09:02:52,811 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:52,812 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 09:02:52,812 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:52,812 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:52,814 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:52,814 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:52,814 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:52,815 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:52,839 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2019-10-22 09:02:52,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 09:02:52,849 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:52,852 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:52,854 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION]=== [2019-10-22 09:02:52,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:52,862 INFO L82 PathProgramCache]: Analyzing trace with hash 560663005, now seen corresponding path program 1 times [2019-10-22 09:02:52,871 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:52,871 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503030893] [2019-10-22 09:02:52,871 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:52,872 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:52,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:53,025 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 09:02:53,025 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503030893] [2019-10-22 09:02:53,026 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:53,027 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:53,027 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53378441] [2019-10-22 09:02:53,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:02:53,031 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:53,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:02:53,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:53,045 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 4 states. [2019-10-22 09:02:53,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:53,374 INFO L93 Difference]: Finished difference Result 153 states and 164 transitions. [2019-10-22 09:02:53,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:02:53,376 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 09:02:53,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:53,385 INFO L225 Difference]: With dead ends: 153 [2019-10-22 09:02:53,386 INFO L226 Difference]: Without dead ends: 149 [2019-10-22 09:02:53,387 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 09:02:53,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-10-22 09:02:53,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 145. [2019-10-22 09:02:53,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-10-22 09:02:53,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 157 transitions. [2019-10-22 09:02:53,424 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 157 transitions. Word has length 7 [2019-10-22 09:02:53,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:53,424 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 157 transitions. [2019-10-22 09:02:53,424 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:02:53,424 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 157 transitions. [2019-10-22 09:02:53,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 09:02:53,425 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:53,425 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:53,425 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION]=== [2019-10-22 09:02:53,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:53,425 INFO L82 PathProgramCache]: Analyzing trace with hash 560663006, now seen corresponding path program 1 times [2019-10-22 09:02:53,425 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:53,425 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158725888] [2019-10-22 09:02:53,426 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:53,426 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:53,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:53,475 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 09:02:53,476 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158725888] [2019-10-22 09:02:53,476 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:53,476 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:53,476 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423891774] [2019-10-22 09:02:53,478 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:02:53,478 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:53,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:02:53,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:53,479 INFO L87 Difference]: Start difference. First operand 145 states and 157 transitions. Second operand 4 states. [2019-10-22 09:02:53,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:53,810 INFO L93 Difference]: Finished difference Result 138 states and 148 transitions. [2019-10-22 09:02:53,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:02:53,811 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 09:02:53,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:53,812 INFO L225 Difference]: With dead ends: 138 [2019-10-22 09:02:53,812 INFO L226 Difference]: Without dead ends: 138 [2019-10-22 09:02:53,813 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 09:02:53,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-22 09:02:53,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 134. [2019-10-22 09:02:53,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-10-22 09:02:53,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 145 transitions. [2019-10-22 09:02:53,828 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 145 transitions. Word has length 7 [2019-10-22 09:02:53,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:53,829 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 145 transitions. [2019-10-22 09:02:53,829 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:02:53,829 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2019-10-22 09:02:53,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 09:02:53,830 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:53,830 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:53,830 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION]=== [2019-10-22 09:02:53,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:53,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1109601498, now seen corresponding path program 1 times [2019-10-22 09:02:53,831 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:53,831 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277027030] [2019-10-22 09:02:53,831 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:53,831 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:53,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:53,939 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 09:02:53,939 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277027030] [2019-10-22 09:02:53,939 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:53,940 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:53,940 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843726299] [2019-10-22 09:02:53,940 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:53,940 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:53,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:53,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:53,941 INFO L87 Difference]: Start difference. First operand 134 states and 145 transitions. Second operand 5 states. [2019-10-22 09:02:54,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:54,242 INFO L93 Difference]: Finished difference Result 141 states and 151 transitions. [2019-10-22 09:02:54,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:02:54,242 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-10-22 09:02:54,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:54,244 INFO L225 Difference]: With dead ends: 141 [2019-10-22 09:02:54,244 INFO L226 Difference]: Without dead ends: 141 [2019-10-22 09:02:54,244 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 09:02:54,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-22 09:02:54,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 135. [2019-10-22 09:02:54,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-10-22 09:02:54,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 149 transitions. [2019-10-22 09:02:54,252 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 149 transitions. Word has length 13 [2019-10-22 09:02:54,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:54,252 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 149 transitions. [2019-10-22 09:02:54,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:54,253 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 149 transitions. [2019-10-22 09:02:54,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 09:02:54,253 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:54,253 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:54,254 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION]=== [2019-10-22 09:02:54,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:54,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1109601497, now seen corresponding path program 1 times [2019-10-22 09:02:54,255 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:54,255 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497989848] [2019-10-22 09:02:54,255 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:54,255 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:54,255 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:54,358 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 09:02:54,359 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497989848] [2019-10-22 09:02:54,359 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:54,359 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:54,359 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511356363] [2019-10-22 09:02:54,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:54,360 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:54,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:54,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:54,361 INFO L87 Difference]: Start difference. First operand 135 states and 149 transitions. Second operand 5 states. [2019-10-22 09:02:54,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:54,718 INFO L93 Difference]: Finished difference Result 208 states and 223 transitions. [2019-10-22 09:02:54,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:02:54,719 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-10-22 09:02:54,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:54,720 INFO L225 Difference]: With dead ends: 208 [2019-10-22 09:02:54,720 INFO L226 Difference]: Without dead ends: 208 [2019-10-22 09:02:54,720 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 09:02:54,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2019-10-22 09:02:54,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 142. [2019-10-22 09:02:54,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-10-22 09:02:54,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 158 transitions. [2019-10-22 09:02:54,736 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 158 transitions. Word has length 13 [2019-10-22 09:02:54,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:54,737 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 158 transitions. [2019-10-22 09:02:54,737 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:54,737 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 158 transitions. [2019-10-22 09:02:54,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 09:02:54,737 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:54,737 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:54,738 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION]=== [2019-10-22 09:02:54,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:54,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1175150295, now seen corresponding path program 1 times [2019-10-22 09:02:54,742 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:54,742 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433740236] [2019-10-22 09:02:54,742 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:54,742 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:54,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:54,835 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 09:02:54,836 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433740236] [2019-10-22 09:02:54,836 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:54,836 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:02:54,836 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490558934] [2019-10-22 09:02:54,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:02:54,837 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:54,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:02:54,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:02:54,842 INFO L87 Difference]: Start difference. First operand 142 states and 158 transitions. Second operand 6 states. [2019-10-22 09:02:55,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:55,246 INFO L93 Difference]: Finished difference Result 224 states and 246 transitions. [2019-10-22 09:02:55,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:02:55,247 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-10-22 09:02:55,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:55,248 INFO L225 Difference]: With dead ends: 224 [2019-10-22 09:02:55,248 INFO L226 Difference]: Without dead ends: 224 [2019-10-22 09:02:55,248 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 09:02:55,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-10-22 09:02:55,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 141. [2019-10-22 09:02:55,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-22 09:02:55,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 156 transitions. [2019-10-22 09:02:55,255 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 156 transitions. Word has length 15 [2019-10-22 09:02:55,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:55,255 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 156 transitions. [2019-10-22 09:02:55,255 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:02:55,256 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 156 transitions. [2019-10-22 09:02:55,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 09:02:55,256 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:55,256 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:55,256 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION]=== [2019-10-22 09:02:55,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:55,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1175150294, now seen corresponding path program 1 times [2019-10-22 09:02:55,257 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:55,257 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69124399] [2019-10-22 09:02:55,257 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:55,257 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:55,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:55,331 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 09:02:55,331 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69124399] [2019-10-22 09:02:55,331 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:55,331 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:02:55,332 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096454867] [2019-10-22 09:02:55,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:02:55,332 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:55,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:02:55,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:02:55,333 INFO L87 Difference]: Start difference. First operand 141 states and 156 transitions. Second operand 6 states. [2019-10-22 09:02:55,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:55,749 INFO L93 Difference]: Finished difference Result 233 states and 256 transitions. [2019-10-22 09:02:55,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 09:02:55,749 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-10-22 09:02:55,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:55,750 INFO L225 Difference]: With dead ends: 233 [2019-10-22 09:02:55,751 INFO L226 Difference]: Without dead ends: 233 [2019-10-22 09:02:55,751 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 09:02:55,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2019-10-22 09:02:55,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 140. [2019-10-22 09:02:55,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-22 09:02:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 154 transitions. [2019-10-22 09:02:55,757 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 154 transitions. Word has length 15 [2019-10-22 09:02:55,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:55,757 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 154 transitions. [2019-10-22 09:02:55,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:02:55,758 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 154 transitions. [2019-10-22 09:02:55,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 09:02:55,758 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:55,758 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:55,759 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION]=== [2019-10-22 09:02:55,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:55,759 INFO L82 PathProgramCache]: Analyzing trace with hash 2130631019, now seen corresponding path program 1 times [2019-10-22 09:02:55,759 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:55,759 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951037347] [2019-10-22 09:02:55,760 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:55,760 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:55,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:55,872 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 09:02:55,873 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951037347] [2019-10-22 09:02:55,873 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:55,873 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-22 09:02:55,873 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874807833] [2019-10-22 09:02:55,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 09:02:55,874 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:55,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 09:02:55,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-22 09:02:55,874 INFO L87 Difference]: Start difference. First operand 140 states and 154 transitions. Second operand 10 states. [2019-10-22 09:02:56,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:56,407 INFO L93 Difference]: Finished difference Result 144 states and 155 transitions. [2019-10-22 09:02:56,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 09:02:56,408 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2019-10-22 09:02:56,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:56,409 INFO L225 Difference]: With dead ends: 144 [2019-10-22 09:02:56,409 INFO L226 Difference]: Without dead ends: 144 [2019-10-22 09:02:56,409 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 09:02:56,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-10-22 09:02:56,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 139. [2019-10-22 09:02:56,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-10-22 09:02:56,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 153 transitions. [2019-10-22 09:02:56,423 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 153 transitions. Word has length 19 [2019-10-22 09:02:56,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:56,424 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 153 transitions. [2019-10-22 09:02:56,424 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 09:02:56,424 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 153 transitions. [2019-10-22 09:02:56,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 09:02:56,425 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:56,425 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 09:02:56,425 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION]=== [2019-10-22 09:02:56,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:56,425 INFO L82 PathProgramCache]: Analyzing trace with hash 2130631020, now seen corresponding path program 1 times [2019-10-22 09:02:56,426 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:56,426 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476594647] [2019-10-22 09:02:56,428 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:56,428 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:56,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:56,588 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 09:02:56,588 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476594647] [2019-10-22 09:02:56,588 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:56,588 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-22 09:02:56,588 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511756997] [2019-10-22 09:02:56,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-22 09:02:56,589 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:56,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-22 09:02:56,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-10-22 09:02:56,589 INFO L87 Difference]: Start difference. First operand 139 states and 153 transitions. Second operand 11 states. [2019-10-22 09:02:57,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:57,614 INFO L93 Difference]: Finished difference Result 193 states and 207 transitions. [2019-10-22 09:02:57,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-22 09:02:57,615 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2019-10-22 09:02:57,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:57,616 INFO L225 Difference]: With dead ends: 193 [2019-10-22 09:02:57,616 INFO L226 Difference]: Without dead ends: 193 [2019-10-22 09:02:57,616 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 09:02:57,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2019-10-22 09:02:57,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 125. [2019-10-22 09:02:57,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-10-22 09:02:57,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 138 transitions. [2019-10-22 09:02:57,631 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 138 transitions. Word has length 19 [2019-10-22 09:02:57,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:57,631 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 138 transitions. [2019-10-22 09:02:57,631 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-22 09:02:57,631 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 138 transitions. [2019-10-22 09:02:57,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 09:02:57,632 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:57,632 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 09:02:57,633 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION]=== [2019-10-22 09:02:57,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:57,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1638281603, now seen corresponding path program 1 times [2019-10-22 09:02:57,633 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:57,633 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559735458] [2019-10-22 09:02:57,633 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:57,634 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:57,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:57,673 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 09:02:57,673 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559735458] [2019-10-22 09:02:57,673 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:57,673 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:57,674 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212185260] [2019-10-22 09:02:57,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:02:57,676 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:57,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:02:57,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:57,677 INFO L87 Difference]: Start difference. First operand 125 states and 138 transitions. Second operand 4 states. [2019-10-22 09:02:57,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:57,836 INFO L93 Difference]: Finished difference Result 180 states and 200 transitions. [2019-10-22 09:02:57,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:02:57,837 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2019-10-22 09:02:57,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:57,838 INFO L225 Difference]: With dead ends: 180 [2019-10-22 09:02:57,838 INFO L226 Difference]: Without dead ends: 180 [2019-10-22 09:02:57,838 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 09:02:57,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2019-10-22 09:02:57,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 140. [2019-10-22 09:02:57,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-22 09:02:57,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 154 transitions. [2019-10-22 09:02:57,844 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 154 transitions. Word has length 23 [2019-10-22 09:02:57,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:57,844 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 154 transitions. [2019-10-22 09:02:57,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:02:57,844 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 154 transitions. [2019-10-22 09:02:57,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 09:02:57,846 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:57,846 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 09:02:57,846 INFO L410 AbstractCegarLoop]: === Iteration 10 === [mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION]=== [2019-10-22 09:02:57,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:57,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1400903352, now seen corresponding path program 1 times [2019-10-22 09:02:57,847 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:57,847 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950458615] [2019-10-22 09:02:57,847 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:57,847 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:57,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:57,898 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 09:02:57,898 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950458615] [2019-10-22 09:02:57,898 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:57,899 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:57,903 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945306430] [2019-10-22 09:02:57,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:02:57,904 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:57,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:02:57,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:57,904 INFO L87 Difference]: Start difference. First operand 140 states and 154 transitions. Second operand 4 states. [2019-10-22 09:02:58,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:58,028 INFO L93 Difference]: Finished difference Result 140 states and 153 transitions. [2019-10-22 09:02:58,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:02:58,028 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-10-22 09:02:58,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:58,029 INFO L225 Difference]: With dead ends: 140 [2019-10-22 09:02:58,029 INFO L226 Difference]: Without dead ends: 140 [2019-10-22 09:02:58,029 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 09:02:58,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-10-22 09:02:58,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-10-22 09:02:58,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-22 09:02:58,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 153 transitions. [2019-10-22 09:02:58,034 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 153 transitions. Word has length 25 [2019-10-22 09:02:58,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:58,034 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 153 transitions. [2019-10-22 09:02:58,034 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:02:58,034 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 153 transitions. [2019-10-22 09:02:58,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 09:02:58,035 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:58,035 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 09:02:58,035 INFO L410 AbstractCegarLoop]: === Iteration 11 === [mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION]=== [2019-10-22 09:02:58,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:58,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1400879870, now seen corresponding path program 1 times [2019-10-22 09:02:58,036 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:58,036 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267533009] [2019-10-22 09:02:58,036 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,036 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:58,088 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 09:02:58,090 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267533009] [2019-10-22 09:02:58,091 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:58,091 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:02:58,091 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631643127] [2019-10-22 09:02:58,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:58,091 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:58,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:58,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:58,092 INFO L87 Difference]: Start difference. First operand 140 states and 153 transitions. Second operand 5 states. [2019-10-22 09:02:58,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:58,264 INFO L93 Difference]: Finished difference Result 173 states and 189 transitions. [2019-10-22 09:02:58,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:02:58,265 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 09:02:58,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:58,265 INFO L225 Difference]: With dead ends: 173 [2019-10-22 09:02:58,266 INFO L226 Difference]: Without dead ends: 173 [2019-10-22 09:02:58,266 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 09:02:58,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-10-22 09:02:58,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 151. [2019-10-22 09:02:58,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-10-22 09:02:58,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 168 transitions. [2019-10-22 09:02:58,270 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 168 transitions. Word has length 25 [2019-10-22 09:02:58,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:58,270 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 168 transitions. [2019-10-22 09:02:58,270 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:58,270 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2019-10-22 09:02:58,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 09:02:58,271 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:58,271 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 09:02:58,271 INFO L410 AbstractCegarLoop]: === Iteration 12 === [mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION]=== [2019-10-22 09:02:58,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:58,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1941896724, now seen corresponding path program 1 times [2019-10-22 09:02:58,272 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:58,272 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74870588] [2019-10-22 09:02:58,272 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,272 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:58,354 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 09:02:58,354 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74870588] [2019-10-22 09:02:58,354 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:58,355 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 09:02:58,355 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077249414] [2019-10-22 09:02:58,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 09:02:58,355 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:58,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 09:02:58,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:02:58,356 INFO L87 Difference]: Start difference. First operand 151 states and 168 transitions. Second operand 7 states. [2019-10-22 09:02:58,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:58,601 INFO L93 Difference]: Finished difference Result 149 states and 162 transitions. [2019-10-22 09:02:58,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 09:02:58,602 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2019-10-22 09:02:58,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:58,602 INFO L225 Difference]: With dead ends: 149 [2019-10-22 09:02:58,602 INFO L226 Difference]: Without dead ends: 149 [2019-10-22 09:02:58,603 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 09:02:58,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-10-22 09:02:58,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 145. [2019-10-22 09:02:58,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-10-22 09:02:58,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 158 transitions. [2019-10-22 09:02:58,607 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 158 transitions. Word has length 27 [2019-10-22 09:02:58,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:58,607 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 158 transitions. [2019-10-22 09:02:58,607 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 09:02:58,607 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 158 transitions. [2019-10-22 09:02:58,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 09:02:58,608 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:58,608 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 09:02:58,608 INFO L410 AbstractCegarLoop]: === Iteration 13 === [mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION]=== [2019-10-22 09:02:58,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:58,609 INFO L82 PathProgramCache]: Analyzing trace with hash -166889362, now seen corresponding path program 1 times [2019-10-22 09:02:58,609 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:58,609 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785494595] [2019-10-22 09:02:58,609 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,609 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:58,667 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 09:02:58,667 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785494595] [2019-10-22 09:02:58,667 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:58,667 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:58,667 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233566340] [2019-10-22 09:02:58,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:58,668 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:58,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:58,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:58,669 INFO L87 Difference]: Start difference. First operand 145 states and 158 transitions. Second operand 5 states. [2019-10-22 09:02:58,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:58,865 INFO L93 Difference]: Finished difference Result 145 states and 157 transitions. [2019-10-22 09:02:58,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:02:58,865 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-10-22 09:02:58,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:58,866 INFO L225 Difference]: With dead ends: 145 [2019-10-22 09:02:58,866 INFO L226 Difference]: Without dead ends: 145 [2019-10-22 09:02:58,866 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 09:02:58,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-10-22 09:02:58,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2019-10-22 09:02:58,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-10-22 09:02:58,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 157 transitions. [2019-10-22 09:02:58,870 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 157 transitions. Word has length 27 [2019-10-22 09:02:58,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:58,872 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 157 transitions. [2019-10-22 09:02:58,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:58,872 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 157 transitions. [2019-10-22 09:02:58,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 09:02:58,873 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:58,873 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 09:02:58,873 INFO L410 AbstractCegarLoop]: === Iteration 14 === [mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION]=== [2019-10-22 09:02:58,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:58,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1771572099, now seen corresponding path program 1 times [2019-10-22 09:02:58,873 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:58,874 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227712747] [2019-10-22 09:02:58,874 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,874 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:58,953 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 09:02:58,953 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227712747] [2019-10-22 09:02:58,953 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565872435] [2019-10-22 09:02:58,954 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/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 09:02:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:59,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-22 09:02:59,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:59,156 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 09:02:59,158 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:59,165 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:59,168 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 09:02:59,168 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:59,173 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:59,174 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 09:02:59,174 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2019-10-22 09:02:59,177 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 09:02:59,178 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:02:59,179 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 10 [2019-10-22 09:02:59,179 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095500471] [2019-10-22 09:02:59,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 09:02:59,181 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:59,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 09:02:59,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-22 09:02:59,182 INFO L87 Difference]: Start difference. First operand 145 states and 157 transitions. Second operand 10 states. [2019-10-22 09:02:59,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:59,655 INFO L93 Difference]: Finished difference Result 172 states and 188 transitions. [2019-10-22 09:02:59,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-22 09:02:59,656 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2019-10-22 09:02:59,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:59,656 INFO L225 Difference]: With dead ends: 172 [2019-10-22 09:02:59,657 INFO L226 Difference]: Without dead ends: 172 [2019-10-22 09:02:59,657 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 09:02:59,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-10-22 09:02:59,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 155. [2019-10-22 09:02:59,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-10-22 09:02:59,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 168 transitions. [2019-10-22 09:02:59,661 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 168 transitions. Word has length 30 [2019-10-22 09:02:59,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:59,661 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 168 transitions. [2019-10-22 09:02:59,661 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 09:02:59,661 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 168 transitions. [2019-10-22 09:02:59,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 09:02:59,662 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:59,662 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 09:02:59,863 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:59,863 INFO L410 AbstractCegarLoop]: === Iteration 15 === [mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION]=== [2019-10-22 09:02:59,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:59,863 INFO L82 PathProgramCache]: Analyzing trace with hash -915840923, now seen corresponding path program 1 times [2019-10-22 09:02:59,864 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:59,864 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466851566] [2019-10-22 09:02:59,864 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:59,864 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:59,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:59,949 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 09:02:59,949 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466851566] [2019-10-22 09:02:59,949 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056652717] [2019-10-22 09:02:59,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/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 09:03:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:00,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-22 09:03:00,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:03:00,126 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 09:03:00,126 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:03:00,127 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-10-22 09:03:00,127 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322649514] [2019-10-22 09:03:00,127 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 09:03:00,127 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:00,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 09:03:00,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:03:00,128 INFO L87 Difference]: Start difference. First operand 155 states and 168 transitions. Second operand 9 states. [2019-10-22 09:03:00,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:00,343 INFO L93 Difference]: Finished difference Result 165 states and 177 transitions. [2019-10-22 09:03:00,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 09:03:00,344 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2019-10-22 09:03:00,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:00,344 INFO L225 Difference]: With dead ends: 165 [2019-10-22 09:03:00,344 INFO L226 Difference]: Without dead ends: 146 [2019-10-22 09:03:00,345 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 09:03:00,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-10-22 09:03:00,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-10-22 09:03:00,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-22 09:03:00,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 158 transitions. [2019-10-22 09:03:00,348 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 158 transitions. Word has length 31 [2019-10-22 09:03:00,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:00,349 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 158 transitions. [2019-10-22 09:03:00,349 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 09:03:00,349 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 158 transitions. [2019-10-22 09:03:00,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 09:03:00,349 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:00,350 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 09:03:00,554 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:03:00,555 INFO L410 AbstractCegarLoop]: === Iteration 16 === [mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION]=== [2019-10-22 09:03:00,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:00,555 INFO L82 PathProgramCache]: Analyzing trace with hash -2016098241, now seen corresponding path program 1 times [2019-10-22 09:03:00,555 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:00,555 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528674531] [2019-10-22 09:03:00,556 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:00,556 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:00,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:00,602 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 09:03:00,603 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528674531] [2019-10-22 09:03:00,603 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:00,603 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:03:00,603 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335268077] [2019-10-22 09:03:00,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:03:00,604 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:00,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:03:00,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:03:00,604 INFO L87 Difference]: Start difference. First operand 146 states and 158 transitions. Second operand 4 states. [2019-10-22 09:03:00,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:00,776 INFO L93 Difference]: Finished difference Result 217 states and 235 transitions. [2019-10-22 09:03:00,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:03:00,777 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2019-10-22 09:03:00,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:00,778 INFO L225 Difference]: With dead ends: 217 [2019-10-22 09:03:00,778 INFO L226 Difference]: Without dead ends: 217 [2019-10-22 09:03:00,778 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 09:03:00,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2019-10-22 09:03:00,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 166. [2019-10-22 09:03:00,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-10-22 09:03:00,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 179 transitions. [2019-10-22 09:03:00,784 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 179 transitions. Word has length 39 [2019-10-22 09:03:00,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:00,785 INFO L462 AbstractCegarLoop]: Abstraction has 166 states and 179 transitions. [2019-10-22 09:03:00,785 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:03:00,785 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 179 transitions. [2019-10-22 09:03:00,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 09:03:00,785 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:00,786 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 09:03:00,786 INFO L410 AbstractCegarLoop]: === Iteration 17 === [mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION]=== [2019-10-22 09:03:00,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:00,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1116613087, now seen corresponding path program 1 times [2019-10-22 09:03:00,787 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:00,787 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71556100] [2019-10-22 09:03:00,787 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:00,787 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:00,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:01,045 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 09:03:01,045 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71556100] [2019-10-22 09:03:01,045 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729325210] [2019-10-22 09:03:01,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/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 09:03:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:01,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 24 conjunts are in the unsatisfiable core [2019-10-22 09:03:01,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:03:01,173 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:03:01,174 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 09:03:01,174 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:03:01,195 INFO L567 ElimStorePlain]: treesize reduction 14, result has 60.0 percent of original size [2019-10-22 09:03:01,195 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:03:01,195 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2019-10-22 09:03:01,223 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 09:03:01,224 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:03:01,234 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:03:01,235 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 09:03:01,235 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2019-10-22 09:03:01,318 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:03:01,318 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 09:03:01,319 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 09:03:01,320 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:01,323 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:01,324 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2019-10-22 09:03:01,371 INFO L567 ElimStorePlain]: treesize reduction 136, result has 24.0 percent of original size [2019-10-22 09:03:01,372 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 09:03:01,372 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:42 [2019-10-22 09:03:01,528 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:03:01,528 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 09:03:01,530 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:03:01,571 INFO L567 ElimStorePlain]: treesize reduction 54, result has 44.9 percent of original size [2019-10-22 09:03:01,572 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 09:03:01,572 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:54, output treesize:29 [2019-10-22 09:03:01,631 INFO L341 Elim1Store]: treesize reduction 38, result has 56.3 percent of original size [2019-10-22 09:03:01,632 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 09:03:01,633 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:01,634 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:03:01,646 INFO L567 ElimStorePlain]: treesize reduction 32, result has 51.5 percent of original size [2019-10-22 09:03:01,646 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 09:03:01,646 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:34 [2019-10-22 09:03:01,703 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:03:01,703 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 09:03:01,704 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:03:01,711 INFO L567 ElimStorePlain]: treesize reduction 12, result has 55.6 percent of original size [2019-10-22 09:03:01,712 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 09:03:01,712 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:41, output treesize:15 [2019-10-22 09:03:01,777 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 09:03:01,777 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:03:01,777 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 25 [2019-10-22 09:03:01,778 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399978459] [2019-10-22 09:03:01,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-10-22 09:03:01,778 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:01,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-10-22 09:03:01,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=520, Unknown=0, NotChecked=0, Total=650 [2019-10-22 09:03:01,779 INFO L87 Difference]: Start difference. First operand 166 states and 179 transitions. Second operand 26 states. [2019-10-22 09:03:02,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:02,945 INFO L93 Difference]: Finished difference Result 238 states and 258 transitions. [2019-10-22 09:03:02,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-10-22 09:03:02,945 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 46 [2019-10-22 09:03:02,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:02,946 INFO L225 Difference]: With dead ends: 238 [2019-10-22 09:03:02,946 INFO L226 Difference]: Without dead ends: 238 [2019-10-22 09:03:02,947 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 584 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=501, Invalid=1653, Unknown=8, NotChecked=0, Total=2162 [2019-10-22 09:03:02,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2019-10-22 09:03:02,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 192. [2019-10-22 09:03:02,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-10-22 09:03:02,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 210 transitions. [2019-10-22 09:03:02,951 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 210 transitions. Word has length 46 [2019-10-22 09:03:02,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:02,953 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 210 transitions. [2019-10-22 09:03:02,953 INFO L463 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-10-22 09:03:02,953 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 210 transitions. [2019-10-22 09:03:02,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 09:03:02,953 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:02,953 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 09:03:03,154 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:03:03,154 INFO L410 AbstractCegarLoop]: === Iteration 18 === [mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION]=== [2019-10-22 09:03:03,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:03,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1116613086, now seen corresponding path program 1 times [2019-10-22 09:03:03,154 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:03,154 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760088660] [2019-10-22 09:03:03,155 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:03,155 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:03,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:03,416 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 09:03:03,416 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760088660] [2019-10-22 09:03:03,416 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432227875] [2019-10-22 09:03:03,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/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 09:03:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:03,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 38 conjunts are in the unsatisfiable core [2019-10-22 09:03:03,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:03:03,506 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_65|], 1=[|v_#valid_77|]} [2019-10-22 09:03:03,510 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 09:03:03,510 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:03:03,521 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:03:03,529 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:03:03,529 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 09:03:03,530 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 09:03:03,542 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:03:03,543 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:03:03,543 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2019-10-22 09:03:03,549 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 09:03:03,550 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:03:03,561 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:03:03,565 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 09:03:03,565 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 09:03:03,575 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:03:03,576 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 09:03:03,576 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:31 [2019-10-22 09:03:03,635 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 09:03:03,636 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:03:03,645 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:03:03,658 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:03:03,659 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 09:03:03,659 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:03,660 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2019-10-22 09:03:03,685 INFO L567 ElimStorePlain]: treesize reduction 48, result has 54.7 percent of original size [2019-10-22 09:03:03,686 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 09:03:03,686 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:73, output treesize:57 [2019-10-22 09:03:03,849 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:03:03,849 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 09:03:03,850 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:03:03,884 INFO L567 ElimStorePlain]: treesize reduction 54, result has 55.0 percent of original size [2019-10-22 09:03:03,897 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:03:03,898 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 09:03:03,898 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 09:03:03,928 INFO L567 ElimStorePlain]: treesize reduction 16, result has 81.0 percent of original size [2019-10-22 09:03:03,928 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:03,929 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:03,930 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 09:03:03,934 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:80, output treesize:38 [2019-10-22 09:03:03,997 INFO L341 Elim1Store]: treesize reduction 38, result has 56.3 percent of original size [2019-10-22 09:03:03,997 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 09:03:03,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 09:03:03,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:04,000 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:04,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:04,001 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2019-10-22 09:03:04,046 INFO L567 ElimStorePlain]: treesize reduction 166, result has 32.2 percent of original size [2019-10-22 09:03:04,050 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 09:03:04,051 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 09:03:04,051 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 09:03:04,058 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:03:04,059 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 09:03:04,059 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:109, output treesize:47 [2019-10-22 09:03:04,136 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:03:04,137 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 09:03:04,137 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:03:04,158 INFO L567 ElimStorePlain]: treesize reduction 12, result has 72.1 percent of original size [2019-10-22 09:03:04,160 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 09:03:04,160 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 09:03:04,164 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:03:04,164 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 09:03:04,164 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:61, output treesize:9 [2019-10-22 09:03:04,216 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 09:03:04,216 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:03:04,216 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 23 [2019-10-22 09:03:04,216 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66037218] [2019-10-22 09:03:04,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-10-22 09:03:04,217 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:04,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-10-22 09:03:04,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2019-10-22 09:03:04,217 INFO L87 Difference]: Start difference. First operand 192 states and 210 transitions. Second operand 24 states. [2019-10-22 09:03:05,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:05,773 INFO L93 Difference]: Finished difference Result 227 states and 248 transitions. [2019-10-22 09:03:05,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-22 09:03:05,773 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 46 [2019-10-22 09:03:05,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:05,774 INFO L225 Difference]: With dead ends: 227 [2019-10-22 09:03:05,774 INFO L226 Difference]: Without dead ends: 227 [2019-10-22 09:03:05,775 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=327, Invalid=1650, Unknown=3, NotChecked=0, Total=1980 [2019-10-22 09:03:05,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-10-22 09:03:05,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 196. [2019-10-22 09:03:05,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2019-10-22 09:03:05,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 213 transitions. [2019-10-22 09:03:05,780 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 213 transitions. Word has length 46 [2019-10-22 09:03:05,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:05,780 INFO L462 AbstractCegarLoop]: Abstraction has 196 states and 213 transitions. [2019-10-22 09:03:05,780 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-10-22 09:03:05,780 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 213 transitions. [2019-10-22 09:03:05,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-22 09:03:05,781 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:05,781 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 09:03:05,981 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:03:05,982 INFO L410 AbstractCegarLoop]: === Iteration 19 === [mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION]=== [2019-10-22 09:03:05,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:05,982 INFO L82 PathProgramCache]: Analyzing trace with hash 38564742, now seen corresponding path program 1 times [2019-10-22 09:03:05,982 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:05,982 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788874575] [2019-10-22 09:03:05,982 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:05,982 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:05,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:06,015 ERROR L253 erpolLogProxyWrapper]: Interpolant 13 not inductive [2019-10-22 09:03:06,028 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 09:03:06,036 INFO L168 Benchmark]: Toolchain (without parser) took 14767.16 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 286.8 MB). Free memory was 939.1 MB in the beginning and 997.9 MB in the end (delta: -58.8 MB). Peak memory consumption was 228.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:06,037 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:03:06,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:06,038 INFO L168 Benchmark]: Boogie Preprocessor took 95.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:06,039 INFO L168 Benchmark]: RCFGBuilder took 929.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:06,039 INFO L168 Benchmark]: TraceAbstraction took 13282.53 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 135.8 MB). Free memory was 1.1 GB in the beginning and 997.9 MB in the end (delta: 59.4 MB). Peak memory consumption was 195.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:06,040 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 456.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 95.18 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 929.72 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13282.53 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 135.8 MB). Free memory was 1.1 GB in the beginning and 997.9 MB in the end (delta: 59.4 MB). Peak memory consumption was 195.2 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 09:03:08,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:03:08,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:03:08,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:03:08,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:03:08,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:03:08,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:03:08,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:03:08,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:03:08,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:03:08,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:03:08,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:03:08,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:03:08,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:03:08,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:03:08,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:03:08,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:03:08,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:03:08,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:03:08,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:03:08,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:03:08,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:03:08,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:03:08,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:03:08,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:03:08,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:03:08,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:03:08,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:03:08,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:03:08,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:03:08,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:03:08,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:03:08,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:03:08,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:03:08,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:03:08,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:03:08,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:03:08,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:03:08,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:03:08,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:03:08,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:03:08,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-10-22 09:03:08,096 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:03:08,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:03:08,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:03:08,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:03:08,098 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:03:08,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:03:08,098 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:03:08,098 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:03:08,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:03:08,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:03:08,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:03:08,099 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 09:03:08,099 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 09:03:08,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:03:08,099 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 09:03:08,099 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 09:03:08,099 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:03:08,100 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:03:08,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:03:08,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:03:08,100 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:03:08,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:03:08,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:03:08,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:03:08,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:03:08,101 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 09:03:08,101 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 09:03:08,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 09:03:08,102 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_25262103-360a-437e-b40a-2e9431e767c2/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-memcleanup) ) 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 -> 39996758d4a4793ed5619e696b4574ccdffaa666 [2019-10-22 09:03:08,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:03:08,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:03:08,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:03:08,151 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:03:08,152 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:03:08,152 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer/../../sv-benchmarks/c/forester-heap/dll-queue-2.i [2019-10-22 09:03:08,203 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer/data/682aef20f/23aebd4470774751a38fc274616638e4/FLAG9fd3c81a6 [2019-10-22 09:03:08,627 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:03:08,628 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/sv-benchmarks/c/forester-heap/dll-queue-2.i [2019-10-22 09:03:08,637 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer/data/682aef20f/23aebd4470774751a38fc274616638e4/FLAG9fd3c81a6 [2019-10-22 09:03:08,965 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/bin/uautomizer/data/682aef20f/23aebd4470774751a38fc274616638e4 [2019-10-22 09:03:08,967 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:03:08,969 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 09:03:08,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:03:08,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:03:08,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:03:08,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:03:08" (1/1) ... [2019-10-22 09:03:08,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da37244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:08, skipping insertion in model container [2019-10-22 09:03:08,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:03:08" (1/1) ... [2019-10-22 09:03:08,983 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:03:09,031 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:03:09,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:03:09,456 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:03:09,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:03:09,545 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:03:09,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:09 WrapperNode [2019-10-22 09:03:09,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:03:09,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:03:09,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:03:09,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:03:09,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:09" (1/1) ... [2019-10-22 09:03:09,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:09" (1/1) ... [2019-10-22 09:03:09,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:09" (1/1) ... [2019-10-22 09:03:09,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:09" (1/1) ... [2019-10-22 09:03:09,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:09" (1/1) ... [2019-10-22 09:03:09,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:09" (1/1) ... [2019-10-22 09:03:09,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:09" (1/1) ... [2019-10-22 09:03:09,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:03:09,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:03:09,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:03:09,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:03:09,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/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 09:03:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 09:03:09,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:03:09,693 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 09:03:09,693 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 09:03:09,693 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 09:03:09,693 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 09:03:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 09:03:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 09:03:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 09:03:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 09:03:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 09:03:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 09:03:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 09:03:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 09:03:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 09:03:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 09:03:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 09:03:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 09:03:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 09:03:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 09:03:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 09:03:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 09:03:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 09:03:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 09:03:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 09:03:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 09:03:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 09:03:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 09:03:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 09:03:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 09:03:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 09:03:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 09:03:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 09:03:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 09:03:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 09:03:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 09:03:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 09:03:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 09:03:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 09:03:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 09:03:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 09:03:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 09:03:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 09:03:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 09:03:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 09:03:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 09:03:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 09:03:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 09:03:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 09:03:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 09:03:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 09:03:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 09:03:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 09:03:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 09:03:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 09:03:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 09:03:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 09:03:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-22 09:03:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 09:03:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 09:03:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 09:03:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 09:03:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 09:03:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 09:03:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 09:03:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 09:03:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 09:03:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 09:03:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 09:03:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 09:03:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 09:03:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 09:03:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 09:03:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 09:03:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 09:03:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 09:03:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 09:03:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 09:03:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 09:03:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 09:03:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 09:03:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 09:03:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 09:03:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 09:03:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 09:03:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 09:03:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 09:03:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 09:03:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 09:03:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 09:03:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 09:03:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 09:03:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 09:03:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 09:03:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 09:03:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 09:03:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 09:03:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 09:03:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 09:03:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 09:03:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 09:03:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 09:03:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 09:03:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 09:03:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 09:03:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 09:03:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 09:03:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-22 09:03:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 09:03:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 09:03:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 09:03:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 09:03:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 09:03:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 09:03:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:03:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 09:03:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:03:10,567 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:03:10,567 INFO L284 CfgBuilder]: Removed 31 assume(true) statements. [2019-10-22 09:03:10,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:03:10 BoogieIcfgContainer [2019-10-22 09:03:10,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:03:10,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:03:10,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:03:10,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:03:10,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:03:08" (1/3) ... [2019-10-22 09:03:10,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32872a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:03:10, skipping insertion in model container [2019-10-22 09:03:10,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:09" (2/3) ... [2019-10-22 09:03:10,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32872a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:03:10, skipping insertion in model container [2019-10-22 09:03:10,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:03:10" (3/3) ... [2019-10-22 09:03:10,576 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-queue-2.i [2019-10-22 09:03:10,584 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:03:10,591 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 62 error locations. [2019-10-22 09:03:10,598 INFO L249 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2019-10-22 09:03:10,618 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:03:10,618 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 09:03:10,618 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:03:10,619 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:03:10,619 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:03:10,619 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:03:10,619 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:03:10,619 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:03:10,638 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2019-10-22 09:03:10,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 09:03:10,646 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:10,647 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:10,649 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr61ENSURES_VIOLATIONMEMORY_LEAK, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION]=== [2019-10-22 09:03:10,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:10,654 INFO L82 PathProgramCache]: Analyzing trace with hash 2050322133, now seen corresponding path program 1 times [2019-10-22 09:03:10,664 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:03:10,664 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1336245332] [2019-10-22 09:03:10,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25262103-360a-437e-b40a-2e9431e767c2/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 09:03:10,895 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 09:03:10,895 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 09:03:10,900 INFO L168 Benchmark]: Toolchain (without parser) took 1930.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 945.6 MB in the beginning and 1.0 GB in the end (delta: -73.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:10,900 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:03:10,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:10,901 INFO L168 Benchmark]: Boogie Preprocessor took 88.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:10,903 INFO L168 Benchmark]: RCFGBuilder took 933.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:10,903 INFO L168 Benchmark]: TraceAbstraction took 328.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:10,905 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 576.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.40 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 933.62 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: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 328.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 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...