./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-queue-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-queue-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7a8c56772773bb41a30a4208cc9fc6fce3f9d2e2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-queue-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7a8c56772773bb41a30a4208cc9fc6fce3f9d2e2 ..................................................................................................................................................................................................................................................................................................................................................... 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 [2019-11-15 20:53:30,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:53:30,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:53:30,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:53:30,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:53:30,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:53:30,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:53:30,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:53:30,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:53:30,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:53:30,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:53:30,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:53:30,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:53:30,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:53:30,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:53:30,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:53:30,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:53:30,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:53:30,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:53:30,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:53:30,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:53:30,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:53:30,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:53:30,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:53:30,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:53:30,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:53:30,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:53:30,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:53:30,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:53:30,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:53:30,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:53:30,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:53:30,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:53:30,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:53:30,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:53:30,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:53:30,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:53:30,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:53:30,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:53:30,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:53:30,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:53:30,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-15 20:53:30,366 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:53:30,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:53:30,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:53:30,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:53:30,368 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:53:30,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:53:30,368 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:53:30,368 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 20:53:30,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:53:30,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:53:30,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:53:30,369 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 20:53:30,369 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 20:53:30,370 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 20:53:30,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:53:30,370 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:53:30,370 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:53:30,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:53:30,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:53:30,371 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:53:30,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:53:30,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:53:30,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:53:30,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:53:30,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:53:30,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 20:53:30,372 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/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a8c56772773bb41a30a4208cc9fc6fce3f9d2e2 [2019-11-15 20:53:30,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:53:30,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:53:30,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:53:30,410 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:53:30,410 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:53:30,411 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer/../../sv-benchmarks/c/forester-heap/sll-queue-1.i [2019-11-15 20:53:30,459 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer/data/64d209dcb/79faf0c985314a5599be9e43476e3c05/FLAG1e828d726 [2019-11-15 20:53:30,901 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:53:30,902 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/sv-benchmarks/c/forester-heap/sll-queue-1.i [2019-11-15 20:53:30,913 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer/data/64d209dcb/79faf0c985314a5599be9e43476e3c05/FLAG1e828d726 [2019-11-15 20:53:31,247 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer/data/64d209dcb/79faf0c985314a5599be9e43476e3c05 [2019-11-15 20:53:31,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:53:31,251 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 20:53:31,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:53:31,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:53:31,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:53:31,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:53:31" (1/1) ... [2019-11-15 20:53:31,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aeaf85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:31, skipping insertion in model container [2019-11-15 20:53:31,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:53:31" (1/1) ... [2019-11-15 20:53:31,265 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:53:31,319 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:53:31,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:53:31,725 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:53:31,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:53:31,828 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:53:31,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:31 WrapperNode [2019-11-15 20:53:31,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:53:31,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:53:31,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:53:31,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:53:31,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:31" (1/1) ... [2019-11-15 20:53:31,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:31" (1/1) ... [2019-11-15 20:53:31,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:31" (1/1) ... [2019-11-15 20:53:31,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:31" (1/1) ... [2019-11-15 20:53:31,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:31" (1/1) ... [2019-11-15 20:53:31,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:31" (1/1) ... [2019-11-15 20:53:31,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:31" (1/1) ... [2019-11-15 20:53:31,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:53:31,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:53:31,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:53:31,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:53:31,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/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 [2019-11-15 20:53:31,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 20:53:31,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:53:31,953 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 20:53:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 20:53:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 20:53:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 20:53:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 20:53:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 20:53:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 20:53:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 20:53:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 20:53:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 20:53:31,956 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 20:53:31,956 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 20:53:31,956 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 20:53:31,956 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 20:53:31,956 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 20:53:31,957 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 20:53:31,957 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 20:53:31,957 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 20:53:31,957 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 20:53:31,958 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 20:53:31,958 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 20:53:31,958 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 20:53:31,958 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 20:53:31,958 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 20:53:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 20:53:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 20:53:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 20:53:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 20:53:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 20:53:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 20:53:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 20:53:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 20:53:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 20:53:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 20:53:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 20:53:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 20:53:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 20:53:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 20:53:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 20:53:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 20:53:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 20:53:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 20:53:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 20:53:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 20:53:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 20:53:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 20:53:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 20:53:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 20:53:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 20:53:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 20:53:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 20:53:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 20:53:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 20:53:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 20:53:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 20:53:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-15 20:53:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 20:53:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 20:53:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 20:53:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 20:53:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 20:53:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 20:53:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 20:53:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 20:53:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 20:53:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 20:53:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 20:53:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 20:53:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 20:53:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 20:53:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 20:53:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 20:53:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 20:53:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 20:53:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 20:53:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 20:53:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 20:53:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 20:53:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 20:53:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 20:53:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 20:53:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 20:53:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 20:53:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 20:53:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 20:53:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 20:53:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 20:53:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 20:53:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 20:53:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 20:53:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 20:53:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 20:53:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 20:53:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 20:53:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 20:53:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 20:53:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 20:53:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 20:53:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 20:53:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 20:53:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 20:53:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 20:53:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 20:53:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 20:53:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 20:53:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-15 20:53:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 20:53:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 20:53:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 20:53:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 20:53:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 20:53:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 20:53:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:53:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 20:53:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:53:32,659 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:53:32,659 INFO L284 CfgBuilder]: Removed 31 assume(true) statements. [2019-11-15 20:53:32,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:53:32 BoogieIcfgContainer [2019-11-15 20:53:32,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:53:32,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:53:32,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:53:32,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:53:32,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:53:31" (1/3) ... [2019-11-15 20:53:32,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e062f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:53:32, skipping insertion in model container [2019-11-15 20:53:32,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:31" (2/3) ... [2019-11-15 20:53:32,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e062f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:53:32, skipping insertion in model container [2019-11-15 20:53:32,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:53:32" (3/3) ... [2019-11-15 20:53:32,665 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-queue-1.i [2019-11-15 20:53:32,674 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:53:32,680 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 56 error locations. [2019-11-15 20:53:32,690 INFO L249 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2019-11-15 20:53:32,708 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:53:32,708 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 20:53:32,708 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:53:32,708 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:53:32,708 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:53:32,708 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:53:32,708 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:53:32,708 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:53:32,726 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2019-11-15 20:53:32,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-15 20:53:32,738 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:53:32,739 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:53:32,743 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr27REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2019-11-15 20:53:32,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:53:32,756 INFO L82 PathProgramCache]: Analyzing trace with hash 275253267, now seen corresponding path program 1 times [2019-11-15 20:53:32,764 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:53:32,764 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302916694] [2019-11-15 20:53:32,765 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:32,765 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:32,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:53:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:32,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:53:32,950 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302916694] [2019-11-15 20:53:32,951 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:53:32,951 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 20:53:32,952 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126494853] [2019-11-15 20:53:32,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 20:53:32,958 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:53:32,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 20:53:32,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 20:53:32,974 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 4 states. [2019-11-15 20:53:33,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:53:33,380 INFO L93 Difference]: Finished difference Result 144 states and 155 transitions. [2019-11-15 20:53:33,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 20:53:33,382 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-15 20:53:33,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:53:33,393 INFO L225 Difference]: With dead ends: 144 [2019-11-15 20:53:33,396 INFO L226 Difference]: Without dead ends: 140 [2019-11-15 20:53:33,402 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 [2019-11-15 20:53:33,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-11-15 20:53:33,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2019-11-15 20:53:33,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-15 20:53:33,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 148 transitions. [2019-11-15 20:53:33,471 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 148 transitions. Word has length 7 [2019-11-15 20:53:33,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:53:33,472 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 148 transitions. [2019-11-15 20:53:33,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 20:53:33,472 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 148 transitions. [2019-11-15 20:53:33,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-15 20:53:33,473 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:53:33,473 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:53:33,473 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr27REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2019-11-15 20:53:33,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:53:33,474 INFO L82 PathProgramCache]: Analyzing trace with hash 275253268, now seen corresponding path program 1 times [2019-11-15 20:53:33,474 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:53:33,474 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610417293] [2019-11-15 20:53:33,475 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:33,475 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:33,475 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:53:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:33,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:53:33,555 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610417293] [2019-11-15 20:53:33,555 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:53:33,555 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 20:53:33,555 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852595970] [2019-11-15 20:53:33,556 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 20:53:33,556 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:53:33,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 20:53:33,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 20:53:33,557 INFO L87 Difference]: Start difference. First operand 136 states and 148 transitions. Second operand 4 states. [2019-11-15 20:53:33,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:53:33,855 INFO L93 Difference]: Finished difference Result 130 states and 140 transitions. [2019-11-15 20:53:33,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 20:53:33,856 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-15 20:53:33,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:53:33,857 INFO L225 Difference]: With dead ends: 130 [2019-11-15 20:53:33,857 INFO L226 Difference]: Without dead ends: 130 [2019-11-15 20:53:33,858 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 [2019-11-15 20:53:33,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-11-15 20:53:33,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 126. [2019-11-15 20:53:33,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-11-15 20:53:33,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 137 transitions. [2019-11-15 20:53:33,869 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 137 transitions. Word has length 7 [2019-11-15 20:53:33,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:53:33,870 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 137 transitions. [2019-11-15 20:53:33,870 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 20:53:33,870 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 137 transitions. [2019-11-15 20:53:33,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-15 20:53:33,871 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:53:33,871 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:53:33,871 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr27REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2019-11-15 20:53:33,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:53:33,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1234366853, now seen corresponding path program 1 times [2019-11-15 20:53:33,872 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:53:33,872 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255254977] [2019-11-15 20:53:33,872 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:33,873 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:33,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:53:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:33,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:53:33,964 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255254977] [2019-11-15 20:53:33,964 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:53:33,964 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 20:53:33,965 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665354748] [2019-11-15 20:53:33,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 20:53:33,965 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:53:33,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 20:53:33,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 20:53:33,966 INFO L87 Difference]: Start difference. First operand 126 states and 137 transitions. Second operand 5 states. [2019-11-15 20:53:34,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:53:34,266 INFO L93 Difference]: Finished difference Result 134 states and 144 transitions. [2019-11-15 20:53:34,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 20:53:34,267 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-11-15 20:53:34,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:53:34,268 INFO L225 Difference]: With dead ends: 134 [2019-11-15 20:53:34,269 INFO L226 Difference]: Without dead ends: 134 [2019-11-15 20:53:34,269 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 [2019-11-15 20:53:34,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-11-15 20:53:34,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 128. [2019-11-15 20:53:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-15 20:53:34,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 142 transitions. [2019-11-15 20:53:34,277 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 142 transitions. Word has length 12 [2019-11-15 20:53:34,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:53:34,281 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 142 transitions. [2019-11-15 20:53:34,281 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 20:53:34,281 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 142 transitions. [2019-11-15 20:53:34,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-15 20:53:34,284 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:53:34,285 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:53:34,285 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr27REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2019-11-15 20:53:34,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:53:34,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1234366852, now seen corresponding path program 1 times [2019-11-15 20:53:34,286 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:53:34,286 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566096523] [2019-11-15 20:53:34,286 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:34,287 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:34,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:53:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:34,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:53:34,392 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566096523] [2019-11-15 20:53:34,392 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:53:34,392 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 20:53:34,392 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730191380] [2019-11-15 20:53:34,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 20:53:34,393 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:53:34,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 20:53:34,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 20:53:34,393 INFO L87 Difference]: Start difference. First operand 128 states and 142 transitions. Second operand 5 states. [2019-11-15 20:53:34,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:53:34,705 INFO L93 Difference]: Finished difference Result 196 states and 211 transitions. [2019-11-15 20:53:34,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 20:53:34,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-11-15 20:53:34,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:53:34,707 INFO L225 Difference]: With dead ends: 196 [2019-11-15 20:53:34,707 INFO L226 Difference]: Without dead ends: 196 [2019-11-15 20:53:34,708 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 [2019-11-15 20:53:34,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2019-11-15 20:53:34,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 132. [2019-11-15 20:53:34,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-11-15 20:53:34,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 146 transitions. [2019-11-15 20:53:34,718 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 146 transitions. Word has length 12 [2019-11-15 20:53:34,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:53:34,718 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 146 transitions. [2019-11-15 20:53:34,718 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 20:53:34,718 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 146 transitions. [2019-11-15 20:53:34,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-15 20:53:34,719 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:53:34,719 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:53:34,720 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr27REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2019-11-15 20:53:34,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:53:34,720 INFO L82 PathProgramCache]: Analyzing trace with hash 487063775, now seen corresponding path program 1 times [2019-11-15 20:53:34,720 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:53:34,721 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854083871] [2019-11-15 20:53:34,721 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:34,721 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:34,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:53:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:34,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:53:34,823 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854083871] [2019-11-15 20:53:34,823 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:53:34,823 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 20:53:34,823 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752165134] [2019-11-15 20:53:34,824 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 20:53:34,824 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:53:34,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 20:53:34,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 20:53:34,829 INFO L87 Difference]: Start difference. First operand 132 states and 146 transitions. Second operand 7 states. [2019-11-15 20:53:35,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:53:35,353 INFO L93 Difference]: Finished difference Result 216 states and 235 transitions. [2019-11-15 20:53:35,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 20:53:35,353 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2019-11-15 20:53:35,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:53:35,355 INFO L225 Difference]: With dead ends: 216 [2019-11-15 20:53:35,355 INFO L226 Difference]: Without dead ends: 216 [2019-11-15 20:53:35,355 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-11-15 20:53:35,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-11-15 20:53:35,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 131. [2019-11-15 20:53:35,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-11-15 20:53:35,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 145 transitions. [2019-11-15 20:53:35,369 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 145 transitions. Word has length 15 [2019-11-15 20:53:35,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:53:35,369 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 145 transitions. [2019-11-15 20:53:35,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 20:53:35,369 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 145 transitions. [2019-11-15 20:53:35,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-15 20:53:35,370 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:53:35,370 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:53:35,370 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr27REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2019-11-15 20:53:35,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:53:35,371 INFO L82 PathProgramCache]: Analyzing trace with hash 487063776, now seen corresponding path program 1 times [2019-11-15 20:53:35,371 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:53:35,371 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519420036] [2019-11-15 20:53:35,371 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:35,371 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:35,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:53:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:35,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:53:35,479 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519420036] [2019-11-15 20:53:35,479 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:53:35,480 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 20:53:35,480 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422309233] [2019-11-15 20:53:35,480 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 20:53:35,480 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:53:35,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 20:53:35,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 20:53:35,481 INFO L87 Difference]: Start difference. First operand 131 states and 145 transitions. Second operand 7 states. [2019-11-15 20:53:36,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:53:36,051 INFO L93 Difference]: Finished difference Result 219 states and 242 transitions. [2019-11-15 20:53:36,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 20:53:36,051 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2019-11-15 20:53:36,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:53:36,053 INFO L225 Difference]: With dead ends: 219 [2019-11-15 20:53:36,053 INFO L226 Difference]: Without dead ends: 219 [2019-11-15 20:53:36,053 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-11-15 20:53:36,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2019-11-15 20:53:36,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 121. [2019-11-15 20:53:36,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-15 20:53:36,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 134 transitions. [2019-11-15 20:53:36,060 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 134 transitions. Word has length 15 [2019-11-15 20:53:36,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:53:36,060 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 134 transitions. [2019-11-15 20:53:36,060 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 20:53:36,060 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 134 transitions. [2019-11-15 20:53:36,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 20:53:36,061 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:53:36,061 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] [2019-11-15 20:53:36,062 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr27REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2019-11-15 20:53:36,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:53:36,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1361847797, now seen corresponding path program 1 times [2019-11-15 20:53:36,062 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:53:36,063 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991930811] [2019-11-15 20:53:36,063 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:36,063 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:36,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:53:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:36,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:53:36,111 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991930811] [2019-11-15 20:53:36,111 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:53:36,111 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 20:53:36,111 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844250733] [2019-11-15 20:53:36,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 20:53:36,112 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:53:36,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 20:53:36,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 20:53:36,112 INFO L87 Difference]: Start difference. First operand 121 states and 134 transitions. Second operand 4 states. [2019-11-15 20:53:36,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:53:36,283 INFO L93 Difference]: Finished difference Result 173 states and 193 transitions. [2019-11-15 20:53:36,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 20:53:36,283 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-11-15 20:53:36,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:53:36,284 INFO L225 Difference]: With dead ends: 173 [2019-11-15 20:53:36,285 INFO L226 Difference]: Without dead ends: 173 [2019-11-15 20:53:36,285 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 [2019-11-15 20:53:36,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-11-15 20:53:36,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 133. [2019-11-15 20:53:36,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-11-15 20:53:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 147 transitions. [2019-11-15 20:53:36,290 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 147 transitions. Word has length 22 [2019-11-15 20:53:36,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:53:36,290 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 147 transitions. [2019-11-15 20:53:36,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 20:53:36,290 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 147 transitions. [2019-11-15 20:53:36,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-15 20:53:36,291 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:53:36,291 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] [2019-11-15 20:53:36,291 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr27REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2019-11-15 20:53:36,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:53:36,292 INFO L82 PathProgramCache]: Analyzing trace with hash -2035988458, now seen corresponding path program 1 times [2019-11-15 20:53:36,292 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:53:36,292 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367187992] [2019-11-15 20:53:36,292 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:36,292 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:36,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:53:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:36,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:53:36,359 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367187992] [2019-11-15 20:53:36,359 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:53:36,359 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 20:53:36,359 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248544711] [2019-11-15 20:53:36,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 20:53:36,360 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:53:36,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 20:53:36,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 20:53:36,360 INFO L87 Difference]: Start difference. First operand 133 states and 147 transitions. Second operand 4 states. [2019-11-15 20:53:36,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:53:36,545 INFO L93 Difference]: Finished difference Result 133 states and 146 transitions. [2019-11-15 20:53:36,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 20:53:36,545 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-11-15 20:53:36,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:53:36,546 INFO L225 Difference]: With dead ends: 133 [2019-11-15 20:53:36,546 INFO L226 Difference]: Without dead ends: 133 [2019-11-15 20:53:36,547 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 [2019-11-15 20:53:36,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-11-15 20:53:36,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-11-15 20:53:36,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-11-15 20:53:36,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 146 transitions. [2019-11-15 20:53:36,551 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 146 transitions. Word has length 24 [2019-11-15 20:53:36,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:53:36,551 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 146 transitions. [2019-11-15 20:53:36,551 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 20:53:36,551 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 146 transitions. [2019-11-15 20:53:36,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-15 20:53:36,552 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:53:36,552 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] [2019-11-15 20:53:36,553 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr27REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2019-11-15 20:53:36,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:53:36,553 INFO L82 PathProgramCache]: Analyzing trace with hash -2035964976, now seen corresponding path program 1 times [2019-11-15 20:53:36,553 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:53:36,553 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055126763] [2019-11-15 20:53:36,553 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:36,553 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:36,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:53:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:36,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:53:36,605 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055126763] [2019-11-15 20:53:36,605 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:53:36,605 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 20:53:36,605 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940750734] [2019-11-15 20:53:36,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 20:53:36,606 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:53:36,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 20:53:36,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 20:53:36,606 INFO L87 Difference]: Start difference. First operand 133 states and 146 transitions. Second operand 5 states. [2019-11-15 20:53:36,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:53:36,788 INFO L93 Difference]: Finished difference Result 166 states and 182 transitions. [2019-11-15 20:53:36,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 20:53:36,788 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-15 20:53:36,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:53:36,789 INFO L225 Difference]: With dead ends: 166 [2019-11-15 20:53:36,790 INFO L226 Difference]: Without dead ends: 166 [2019-11-15 20:53:36,790 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 [2019-11-15 20:53:36,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2019-11-15 20:53:36,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 144. [2019-11-15 20:53:36,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-11-15 20:53:36,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 161 transitions. [2019-11-15 20:53:36,794 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 161 transitions. Word has length 24 [2019-11-15 20:53:36,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:53:36,795 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 161 transitions. [2019-11-15 20:53:36,795 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 20:53:36,795 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 161 transitions. [2019-11-15 20:53:36,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 20:53:36,796 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:53:36,796 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] [2019-11-15 20:53:36,796 INFO L410 AbstractCegarLoop]: === Iteration 10 === [mainErr27REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2019-11-15 20:53:36,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:53:36,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1921639418, now seen corresponding path program 1 times [2019-11-15 20:53:36,797 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:53:36,797 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792532008] [2019-11-15 20:53:36,797 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:36,797 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:36,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:53:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:36,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:53:36,872 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792532008] [2019-11-15 20:53:36,872 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:53:36,872 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 20:53:36,872 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653918158] [2019-11-15 20:53:36,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 20:53:36,873 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:53:36,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 20:53:36,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 20:53:36,874 INFO L87 Difference]: Start difference. First operand 144 states and 161 transitions. Second operand 7 states. [2019-11-15 20:53:37,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:53:37,135 INFO L93 Difference]: Finished difference Result 142 states and 155 transitions. [2019-11-15 20:53:37,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 20:53:37,136 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2019-11-15 20:53:37,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:53:37,137 INFO L225 Difference]: With dead ends: 142 [2019-11-15 20:53:37,137 INFO L226 Difference]: Without dead ends: 142 [2019-11-15 20:53:37,138 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-11-15 20:53:37,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-15 20:53:37,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 138. [2019-11-15 20:53:37,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-15 20:53:37,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 151 transitions. [2019-11-15 20:53:37,142 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 151 transitions. Word has length 26 [2019-11-15 20:53:37,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:53:37,142 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 151 transitions. [2019-11-15 20:53:37,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 20:53:37,142 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 151 transitions. [2019-11-15 20:53:37,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 20:53:37,143 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:53:37,143 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] [2019-11-15 20:53:37,144 INFO L410 AbstractCegarLoop]: === Iteration 11 === [mainErr27REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2019-11-15 20:53:37,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:53:37,144 INFO L82 PathProgramCache]: Analyzing trace with hash -598320516, now seen corresponding path program 1 times [2019-11-15 20:53:37,144 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:53:37,144 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673462128] [2019-11-15 20:53:37,144 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:37,144 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:37,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:53:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:37,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:53:37,193 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673462128] [2019-11-15 20:53:37,193 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:53:37,194 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 20:53:37,194 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29217004] [2019-11-15 20:53:37,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 20:53:37,194 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:53:37,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 20:53:37,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 20:53:37,195 INFO L87 Difference]: Start difference. First operand 138 states and 151 transitions. Second operand 5 states. [2019-11-15 20:53:37,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:53:37,402 INFO L93 Difference]: Finished difference Result 138 states and 150 transitions. [2019-11-15 20:53:37,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 20:53:37,403 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-15 20:53:37,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:53:37,403 INFO L225 Difference]: With dead ends: 138 [2019-11-15 20:53:37,404 INFO L226 Difference]: Without dead ends: 138 [2019-11-15 20:53:37,404 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 [2019-11-15 20:53:37,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-11-15 20:53:37,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-11-15 20:53:37,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-15 20:53:37,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 150 transitions. [2019-11-15 20:53:37,408 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 150 transitions. Word has length 26 [2019-11-15 20:53:37,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:53:37,409 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 150 transitions. [2019-11-15 20:53:37,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 20:53:37,409 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 150 transitions. [2019-11-15 20:53:37,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-15 20:53:37,410 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:53:37,410 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] [2019-11-15 20:53:37,411 INFO L410 AbstractCegarLoop]: === Iteration 12 === [mainErr27REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2019-11-15 20:53:37,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:53:37,411 INFO L82 PathProgramCache]: Analyzing trace with hash -451797013, now seen corresponding path program 1 times [2019-11-15 20:53:37,411 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:53:37,411 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546139800] [2019-11-15 20:53:37,411 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:37,412 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:37,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:53:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:37,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:53:37,533 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546139800] [2019-11-15 20:53:37,535 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833949575] [2019-11-15 20:53:37,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/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 [2019-11-15 20:53:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:37,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-15 20:53:37,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:53:37,794 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 [2019-11-15 20:53:37,795 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:53:37,801 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:53:37,805 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 [2019-11-15 20:53:37,805 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 20:53:37,809 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:53:37,809 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:53:37,809 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2019-11-15 20:53:37,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:53:37,814 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 20:53:37,814 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 10 [2019-11-15 20:53:37,814 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953638987] [2019-11-15 20:53:37,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 20:53:37,815 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:53:37,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 20:53:37,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-15 20:53:37,816 INFO L87 Difference]: Start difference. First operand 138 states and 150 transitions. Second operand 10 states. [2019-11-15 20:53:38,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:53:38,249 INFO L93 Difference]: Finished difference Result 165 states and 181 transitions. [2019-11-15 20:53:38,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 20:53:38,262 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 29 [2019-11-15 20:53:38,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:53:38,263 INFO L225 Difference]: With dead ends: 165 [2019-11-15 20:53:38,263 INFO L226 Difference]: Without dead ends: 165 [2019-11-15 20:53:38,263 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2019-11-15 20:53:38,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-11-15 20:53:38,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 148. [2019-11-15 20:53:38,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-15 20:53:38,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 161 transitions. [2019-11-15 20:53:38,268 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 161 transitions. Word has length 29 [2019-11-15 20:53:38,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:53:38,268 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 161 transitions. [2019-11-15 20:53:38,268 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 20:53:38,268 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 161 transitions. [2019-11-15 20:53:38,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-15 20:53:38,269 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:53:38,269 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] [2019-11-15 20:53:38,469 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:53:38,470 INFO L410 AbstractCegarLoop]: === Iteration 13 === [mainErr27REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2019-11-15 20:53:38,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:53:38,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1120806669, now seen corresponding path program 1 times [2019-11-15 20:53:38,470 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:53:38,470 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784460177] [2019-11-15 20:53:38,470 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:38,471 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:38,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:53:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:38,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:53:38,547 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784460177] [2019-11-15 20:53:38,548 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853937155] [2019-11-15 20:53:38,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/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 [2019-11-15 20:53:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:38,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-15 20:53:38,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:53:38,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:53:38,765 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 20:53:38,765 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-15 20:53:38,765 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691544839] [2019-11-15 20:53:38,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 20:53:38,767 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:53:38,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 20:53:38,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-15 20:53:38,768 INFO L87 Difference]: Start difference. First operand 148 states and 161 transitions. Second operand 9 states. [2019-11-15 20:53:39,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:53:39,157 INFO L93 Difference]: Finished difference Result 158 states and 170 transitions. [2019-11-15 20:53:39,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 20:53:39,157 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2019-11-15 20:53:39,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:53:39,158 INFO L225 Difference]: With dead ends: 158 [2019-11-15 20:53:39,158 INFO L226 Difference]: Without dead ends: 139 [2019-11-15 20:53:39,158 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2019-11-15 20:53:39,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-11-15 20:53:39,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2019-11-15 20:53:39,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-11-15 20:53:39,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 151 transitions. [2019-11-15 20:53:39,162 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 151 transitions. Word has length 30 [2019-11-15 20:53:39,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:53:39,163 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 151 transitions. [2019-11-15 20:53:39,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 20:53:39,163 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 151 transitions. [2019-11-15 20:53:39,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-15 20:53:39,164 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:53:39,164 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] [2019-11-15 20:53:39,364 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:53:39,365 INFO L410 AbstractCegarLoop]: === Iteration 14 === [mainErr27REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2019-11-15 20:53:39,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:53:39,365 INFO L82 PathProgramCache]: Analyzing trace with hash -2125372333, now seen corresponding path program 1 times [2019-11-15 20:53:39,365 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:53:39,366 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771703982] [2019-11-15 20:53:39,366 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:39,366 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:39,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:53:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:39,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:53:39,406 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771703982] [2019-11-15 20:53:39,406 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:53:39,406 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 20:53:39,406 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874000089] [2019-11-15 20:53:39,407 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 20:53:39,407 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:53:39,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 20:53:39,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 20:53:39,407 INFO L87 Difference]: Start difference. First operand 139 states and 151 transitions. Second operand 4 states. [2019-11-15 20:53:39,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:53:39,566 INFO L93 Difference]: Finished difference Result 207 states and 225 transitions. [2019-11-15 20:53:39,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 20:53:39,567 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2019-11-15 20:53:39,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:53:39,568 INFO L225 Difference]: With dead ends: 207 [2019-11-15 20:53:39,568 INFO L226 Difference]: Without dead ends: 207 [2019-11-15 20:53:39,569 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 [2019-11-15 20:53:39,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2019-11-15 20:53:39,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 156. [2019-11-15 20:53:39,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-11-15 20:53:39,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 169 transitions. [2019-11-15 20:53:39,573 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 169 transitions. Word has length 35 [2019-11-15 20:53:39,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:53:39,573 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 169 transitions. [2019-11-15 20:53:39,573 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 20:53:39,574 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 169 transitions. [2019-11-15 20:53:39,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-15 20:53:39,575 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:53:39,575 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] [2019-11-15 20:53:39,575 INFO L410 AbstractCegarLoop]: === Iteration 15 === [mainErr27REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2019-11-15 20:53:39,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:53:39,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1832593597, now seen corresponding path program 1 times [2019-11-15 20:53:39,576 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:53:39,576 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171822817] [2019-11-15 20:53:39,576 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:39,576 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:39,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:53:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:39,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:53:39,808 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171822817] [2019-11-15 20:53:39,809 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141066236] [2019-11-15 20:53:39,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/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 [2019-11-15 20:53:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:39,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-15 20:53:39,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:53:39,956 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:53:39,957 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 [2019-11-15 20:53:39,957 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:53:39,990 INFO L567 ElimStorePlain]: treesize reduction 14, result has 60.0 percent of original size [2019-11-15 20:53:39,991 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:53:39,991 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2019-11-15 20:53:40,017 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 [2019-11-15 20:53:40,017 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:53:40,026 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:53:40,027 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:53:40,027 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2019-11-15 20:53:40,104 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:53:40,104 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 51 [2019-11-15 20:53:40,105 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:53:40,124 INFO L567 ElimStorePlain]: treesize reduction 24, result has 54.7 percent of original size [2019-11-15 20:53:40,124 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:53:40,124 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:29 [2019-11-15 20:53:40,189 INFO L341 Elim1Store]: treesize reduction 38, result has 56.3 percent of original size [2019-11-15 20:53:40,190 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 [2019-11-15 20:53:40,190 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:53:40,192 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:53:40,209 INFO L567 ElimStorePlain]: treesize reduction 32, result has 51.5 percent of original size [2019-11-15 20:53:40,210 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. [2019-11-15 20:53:40,210 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:34 [2019-11-15 20:53:40,270 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:53:40,271 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 [2019-11-15 20:53:40,271 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:53:40,283 INFO L567 ElimStorePlain]: treesize reduction 12, result has 55.6 percent of original size [2019-11-15 20:53:40,284 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. [2019-11-15 20:53:40,284 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:41, output treesize:15 [2019-11-15 20:53:40,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:53:40,352 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 20:53:40,352 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11] total 24 [2019-11-15 20:53:40,352 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855870644] [2019-11-15 20:53:40,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-11-15 20:53:40,353 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:53:40,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-11-15 20:53:40,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2019-11-15 20:53:40,354 INFO L87 Difference]: Start difference. First operand 156 states and 169 transitions. Second operand 25 states. [2019-11-15 20:53:41,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:53:41,691 INFO L93 Difference]: Finished difference Result 225 states and 245 transitions. [2019-11-15 20:53:41,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-11-15 20:53:41,691 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 42 [2019-11-15 20:53:41,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:53:41,692 INFO L225 Difference]: With dead ends: 225 [2019-11-15 20:53:41,692 INFO L226 Difference]: Without dead ends: 225 [2019-11-15 20:53:41,693 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=368, Invalid=1272, Unknown=0, NotChecked=0, Total=1640 [2019-11-15 20:53:41,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2019-11-15 20:53:41,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 182. [2019-11-15 20:53:41,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2019-11-15 20:53:41,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 200 transitions. [2019-11-15 20:53:41,698 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 200 transitions. Word has length 42 [2019-11-15 20:53:41,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:53:41,699 INFO L462 AbstractCegarLoop]: Abstraction has 182 states and 200 transitions. [2019-11-15 20:53:41,699 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-11-15 20:53:41,699 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 200 transitions. [2019-11-15 20:53:41,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-15 20:53:41,699 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:53:41,699 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] [2019-11-15 20:53:41,900 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:53:41,900 INFO L410 AbstractCegarLoop]: === Iteration 16 === [mainErr27REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2019-11-15 20:53:41,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:53:41,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1832593596, now seen corresponding path program 1 times [2019-11-15 20:53:41,901 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:53:41,901 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619463332] [2019-11-15 20:53:41,901 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:41,902 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:41,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:53:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:42,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:53:42,295 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619463332] [2019-11-15 20:53:42,295 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915300549] [2019-11-15 20:53:42,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/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 [2019-11-15 20:53:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:42,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 34 conjunts are in the unsatisfiable core [2019-11-15 20:53:42,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:53:42,414 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_59|], 1=[|v_#valid_71|]} [2019-11-15 20:53:42,419 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 [2019-11-15 20:53:42,419 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:53:42,435 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:53:42,446 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:53:42,446 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 [2019-11-15 20:53:42,447 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 20:53:42,458 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:53:42,458 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:53:42,458 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2019-11-15 20:53:42,478 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 [2019-11-15 20:53:42,478 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:53:42,497 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:53:42,503 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 [2019-11-15 20:53:42,503 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 20:53:42,523 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:53:42,523 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:53:42,524 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:31 [2019-11-15 20:53:42,611 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:53:42,612 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 51 [2019-11-15 20:53:42,612 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:53:42,637 INFO L567 ElimStorePlain]: treesize reduction 24, result has 63.6 percent of original size [2019-11-15 20:53:42,640 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 19 treesize of output 18 [2019-11-15 20:53:42,641 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 20:53:42,665 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:53:42,666 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:53:42,666 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:54, output treesize:38 [2019-11-15 20:53:42,773 INFO L341 Elim1Store]: treesize reduction 38, result has 56.3 percent of original size [2019-11-15 20:53:42,774 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 [2019-11-15 20:53:42,775 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:53:42,775 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:53:42,805 INFO L567 ElimStorePlain]: treesize reduction 32, result has 70.9 percent of original size [2019-11-15 20:53:42,809 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 20:53:42,810 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 50 treesize of output 25 [2019-11-15 20:53:42,811 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 20:53:42,823 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:53:42,823 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. [2019-11-15 20:53:42,824 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:109, output treesize:47 [2019-11-15 20:53:42,899 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:53:42,900 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 [2019-11-15 20:53:42,901 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:53:42,922 INFO L567 ElimStorePlain]: treesize reduction 12, result has 72.1 percent of original size [2019-11-15 20:53:42,925 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 [2019-11-15 20:53:42,925 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 20:53:42,931 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:53:42,932 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:53:42,932 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:61, output treesize:9 [2019-11-15 20:53:42,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:53:42,977 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 20:53:42,977 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 20 [2019-11-15 20:53:42,977 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854813144] [2019-11-15 20:53:42,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-15 20:53:42,978 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:53:42,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-15 20:53:42,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2019-11-15 20:53:42,980 INFO L87 Difference]: Start difference. First operand 182 states and 200 transitions. Second operand 21 states. [2019-11-15 20:53:44,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:53:44,631 INFO L93 Difference]: Finished difference Result 218 states and 239 transitions. [2019-11-15 20:53:44,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-11-15 20:53:44,631 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 42 [2019-11-15 20:53:44,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:53:44,632 INFO L225 Difference]: With dead ends: 218 [2019-11-15 20:53:44,632 INFO L226 Difference]: Without dead ends: 218 [2019-11-15 20:53:44,633 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=277, Invalid=1283, Unknown=0, NotChecked=0, Total=1560 [2019-11-15 20:53:44,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-11-15 20:53:44,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 186. [2019-11-15 20:53:44,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-11-15 20:53:44,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 203 transitions. [2019-11-15 20:53:44,638 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 203 transitions. Word has length 42 [2019-11-15 20:53:44,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:53:44,638 INFO L462 AbstractCegarLoop]: Abstraction has 186 states and 203 transitions. [2019-11-15 20:53:44,638 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-15 20:53:44,638 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 203 transitions. [2019-11-15 20:53:44,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-15 20:53:44,639 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:53:44,639 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] [2019-11-15 20:53:44,842 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:53:44,842 INFO L410 AbstractCegarLoop]: === Iteration 17 === [mainErr27REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2019-11-15 20:53:44,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:53:44,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1998928410, now seen corresponding path program 1 times [2019-11-15 20:53:44,843 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:53:44,843 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083983542] [2019-11-15 20:53:44,843 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:44,843 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:53:44,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:53:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:53:44,883 ERROR L253 erpolLogProxyWrapper]: Interpolant 9 not inductive [2019-11-15 20:53:44,893 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 20:53:44,898 INFO L168 Benchmark]: Toolchain (without parser) took 13647.71 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 355.5 MB). Free memory was 939.3 MB in the beginning and 1.3 GB in the end (delta: -368.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:53:44,899 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:53:44,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-15 20:53:44,899 INFO L168 Benchmark]: Boogie Preprocessor took 69.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:53:44,900 INFO L168 Benchmark]: RCFGBuilder took 761.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:53:44,900 INFO L168 Benchmark]: TraceAbstraction took 12236.37 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 234.9 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -282.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:53:44,902 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 577.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 761.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12236.37 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 234.9 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -282.1 MB). There was no memory consumed. 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 [2019-11-15 20:53:46,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:53:46,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:53:47,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:53:47,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:53:47,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:53:47,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:53:47,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:53:47,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:53:47,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:53:47,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:53:47,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:53:47,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:53:47,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:53:47,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:53:47,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:53:47,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:53:47,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:53:47,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:53:47,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:53:47,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:53:47,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:53:47,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:53:47,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:53:47,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:53:47,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:53:47,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:53:47,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:53:47,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:53:47,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:53:47,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:53:47,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:53:47,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:53:47,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:53:47,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:53:47,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:53:47,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:53:47,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:53:47,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:53:47,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:53:47,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:53:47,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-15 20:53:47,066 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:53:47,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:53:47,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:53:47,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:53:47,068 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:53:47,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:53:47,068 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:53:47,068 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 20:53:47,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:53:47,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:53:47,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:53:47,069 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 20:53:47,070 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 20:53:47,070 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 20:53:47,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:53:47,070 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 20:53:47,071 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 20:53:47,071 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:53:47,071 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:53:47,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:53:47,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:53:47,072 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:53:47,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:53:47,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:53:47,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:53:47,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:53:47,073 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 20:53:47,073 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 20:53:47,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 20:53:47,074 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/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a8c56772773bb41a30a4208cc9fc6fce3f9d2e2 [2019-11-15 20:53:47,103 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:53:47,118 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:53:47,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:53:47,124 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:53:47,126 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:53:47,127 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer/../../sv-benchmarks/c/forester-heap/sll-queue-1.i [2019-11-15 20:53:47,194 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer/data/b799d955d/5302b1ee1c4e42e09c9fe84c797a1908/FLAG06dfb78ad [2019-11-15 20:53:47,581 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:53:47,581 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/sv-benchmarks/c/forester-heap/sll-queue-1.i [2019-11-15 20:53:47,593 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer/data/b799d955d/5302b1ee1c4e42e09c9fe84c797a1908/FLAG06dfb78ad [2019-11-15 20:53:47,920 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/bin/uautomizer/data/b799d955d/5302b1ee1c4e42e09c9fe84c797a1908 [2019-11-15 20:53:47,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:53:47,923 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 20:53:47,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:53:47,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:53:47,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:53:47,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:53:47" (1/1) ... [2019-11-15 20:53:47,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34da0011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:47, skipping insertion in model container [2019-11-15 20:53:47,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:53:47" (1/1) ... [2019-11-15 20:53:47,936 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:53:47,975 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:53:48,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:53:48,345 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:53:48,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:53:48,437 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:53:48,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:48 WrapperNode [2019-11-15 20:53:48,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:53:48,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:53:48,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:53:48,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:53:48,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:48" (1/1) ... [2019-11-15 20:53:48,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:48" (1/1) ... [2019-11-15 20:53:48,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:48" (1/1) ... [2019-11-15 20:53:48,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:48" (1/1) ... [2019-11-15 20:53:48,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:48" (1/1) ... [2019-11-15 20:53:48,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:48" (1/1) ... [2019-11-15 20:53:48,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:48" (1/1) ... [2019-11-15 20:53:48,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:53:48,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:53:48,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:53:48,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:53:48,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/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 [2019-11-15 20:53:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 20:53:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:53:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 20:53:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 20:53:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 20:53:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 20:53:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 20:53:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 20:53:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 20:53:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 20:53:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 20:53:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 20:53:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 20:53:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 20:53:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 20:53:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 20:53:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 20:53:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 20:53:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 20:53:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 20:53:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 20:53:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 20:53:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 20:53:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 20:53:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 20:53:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 20:53:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 20:53:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 20:53:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 20:53:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 20:53:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 20:53:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 20:53:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 20:53:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 20:53:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 20:53:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 20:53:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 20:53:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 20:53:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 20:53:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 20:53:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 20:53:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 20:53:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 20:53:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 20:53:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 20:53:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 20:53:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 20:53:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 20:53:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 20:53:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 20:53:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 20:53:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 20:53:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 20:53:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 20:53:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 20:53:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 20:53:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 20:53:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-15 20:53:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 20:53:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 20:53:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 20:53:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 20:53:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 20:53:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 20:53:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 20:53:48,577 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 20:53:48,577 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 20:53:48,577 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 20:53:48,577 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 20:53:48,577 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 20:53:48,577 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 20:53:48,578 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 20:53:48,578 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 20:53:48,578 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 20:53:48,578 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 20:53:48,578 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 20:53:48,579 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 20:53:48,579 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 20:53:48,579 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 20:53:48,579 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 20:53:48,579 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 20:53:48,579 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 20:53:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 20:53:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 20:53:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 20:53:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 20:53:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 20:53:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 20:53:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 20:53:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 20:53:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 20:53:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 20:53:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 20:53:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 20:53:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 20:53:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 20:53:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 20:53:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 20:53:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 20:53:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 20:53:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 20:53:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 20:53:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 20:53:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 20:53:48,584 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 20:53:48,584 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 20:53:48,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 20:53:48,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-15 20:53:48,584 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 20:53:48,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 20:53:48,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 20:53:48,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 20:53:48,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 20:53:48,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 20:53:48,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:53:48,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 20:53:48,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:53:49,601 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:53:49,601 INFO L284 CfgBuilder]: Removed 31 assume(true) statements. [2019-11-15 20:53:49,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:53:49 BoogieIcfgContainer [2019-11-15 20:53:49,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:53:49,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:53:49,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:53:49,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:53:49,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:53:47" (1/3) ... [2019-11-15 20:53:49,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0cb5da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:53:49, skipping insertion in model container [2019-11-15 20:53:49,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:53:48" (2/3) ... [2019-11-15 20:53:49,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0cb5da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:53:49, skipping insertion in model container [2019-11-15 20:53:49,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:53:49" (3/3) ... [2019-11-15 20:53:49,617 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-queue-1.i [2019-11-15 20:53:49,627 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:53:49,638 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 56 error locations. [2019-11-15 20:53:49,649 INFO L249 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2019-11-15 20:53:49,666 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:53:49,666 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 20:53:49,667 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:53:49,667 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:53:49,667 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:53:49,667 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:53:49,667 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:53:49,668 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:53:49,685 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2019-11-15 20:53:49,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-15 20:53:49,694 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:53:49,695 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:53:49,697 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr50REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr55ENSURES_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION]=== [2019-11-15 20:53:49,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:53:49,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1764912395, now seen corresponding path program 1 times [2019-11-15 20:53:49,711 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:53:49,712 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [340384837] [2019-11-15 20:53:49,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_09cc23f8-a171-4a53-80d8-983430ea23d0/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 [2019-11-15 20:53:49,940 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 20:53:49,941 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 20:53:49,944 INFO L168 Benchmark]: Toolchain (without parser) took 2020.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 940.3 MB in the beginning and 1.0 GB in the end (delta: -60.6 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:53:49,945 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:53:49,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 514.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -154.6 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-11-15 20:53:49,946 INFO L168 Benchmark]: Boogie Preprocessor took 79.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-15 20:53:49,948 INFO L168 Benchmark]: RCFGBuilder took 1084.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.8 MB). Peak memory consumption was 67.8 MB. Max. memory is 11.5 GB. [2019-11-15 20:53:49,948 INFO L168 Benchmark]: TraceAbstraction took 338.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2019-11-15 20:53:49,951 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 514.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -154.6 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1084.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.8 MB). Peak memory consumption was 67.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 338.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 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...