./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext/tree_of_cslls.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/tree_of_cslls.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/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 6287b9eea0551e7dbc85a76ee8ee100d4ed20751 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/tree_of_cslls.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/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 6287b9eea0551e7dbc85a76ee8ee100d4ed20751 ............................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:36,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:36,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:36,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:36,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:36,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:36,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:36,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:36,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:36,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:36,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:36,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:36,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:36,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:36,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:36,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:36,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:36,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:36,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:36,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:36,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:36,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:36,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:36,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:36,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:36,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:36,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:36,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:36,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:36,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:36,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:36,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:36,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:36,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:36,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:36,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:36,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:36,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:36,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:36,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:36,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:36,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-10-22 09:00:36,925 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:36,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:36,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:36,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:36,927 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:36,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:36,927 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:36,927 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:00:36,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:36,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:36,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:36,928 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 09:00:36,928 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 09:00:36,928 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 09:00:36,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:36,929 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:36,929 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:36,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:36,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:36,930 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:36,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:36,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:36,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:36,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:36,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:36,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:00:36,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/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 -> 6287b9eea0551e7dbc85a76ee8ee100d4ed20751 [2019-10-22 09:00:36,972 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:36,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:36,985 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:36,986 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:36,986 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:36,987 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/../../sv-benchmarks/c/memsafety-ext/tree_of_cslls.i [2019-10-22 09:00:37,030 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/data/38924ad77/1066c7766ae94bceab09e6c681dc8422/FLAGc0111b6b7 [2019-10-22 09:00:37,448 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:37,448 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/sv-benchmarks/c/memsafety-ext/tree_of_cslls.i [2019-10-22 09:00:37,458 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/data/38924ad77/1066c7766ae94bceab09e6c681dc8422/FLAGc0111b6b7 [2019-10-22 09:00:37,816 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/data/38924ad77/1066c7766ae94bceab09e6c681dc8422 [2019-10-22 09:00:37,818 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:37,819 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 09:00:37,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:37,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:37,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:37,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:37" (1/1) ... [2019-10-22 09:00:37,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c10cd13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:37, skipping insertion in model container [2019-10-22 09:00:37,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:37" (1/1) ... [2019-10-22 09:00:37,833 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:37,867 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:38,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:38,225 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:38,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:38,341 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:38,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38 WrapperNode [2019-10-22 09:00:38,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:38,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:38,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:38,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:38,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:38,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:38,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:38,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:38,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 09:00:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 09:00:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 09:00:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-10-22 09:00:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-10-22 09:00:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-10-22 09:00:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 09:00:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 09:00:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-22 09:00:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 09:00:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 09:00:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 09:00:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 09:00:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 09:00:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 09:00:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 09:00:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 09:00:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 09:00:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 09:00:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 09:00:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 09:00:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 09:00:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 09:00:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 09:00:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 09:00:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 09:00:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 09:00:38,474 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-10-22 09:00:38,474 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-10-22 09:00:38,474 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-10-22 09:00:38,474 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 09:00:38,474 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 09:00:38,474 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 09:00:38,474 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 09:00:38,474 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 09:00:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 09:00:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 09:00:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 09:00:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 09:00:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 09:00:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 09:00:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 09:00:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 09:00:38,476 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 09:00:38,476 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 09:00:38,476 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 09:00:38,476 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 09:00:38,476 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 09:00:38,476 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 09:00:38,476 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 09:00:38,476 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 09:00:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 09:00:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 09:00:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 09:00:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 09:00:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 09:00:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 09:00:38,481 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 09:00:38,481 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 09:00:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 09:00:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 09:00:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 09:00:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 09:00:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 09:00:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 09:00:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 09:00:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 09:00:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 09:00:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 09:00:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 09:00:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 09:00:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 09:00:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 09:00:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 09:00:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 09:00:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 09:00:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 09:00:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 09:00:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 09:00:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 09:00:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 09:00:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 09:00:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 09:00:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 09:00:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 09:00:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 09:00:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 09:00:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 09:00:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 09:00:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 09:00:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 09:00:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 09:00:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 09:00:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 09:00:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 09:00:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 09:00:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 09:00:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 09:00:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 09:00:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 09:00:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 09:00:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 09:00:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 09:00:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 09:00:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 09:00:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 09:00:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 09:00:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 09:00:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 09:00:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 09:00:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 09:00:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 09:00:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 09:00:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 09:00:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 09:00:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 09:00:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 09:00:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 09:00:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 09:00:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 09:00:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:00:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 09:00:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:39,307 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:39,307 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 09:00:39,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:39 BoogieIcfgContainer [2019-10-22 09:00:39,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:39,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:39,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:39,320 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:39,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:37" (1/3) ... [2019-10-22 09:00:39,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58713c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:39, skipping insertion in model container [2019-10-22 09:00:39,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (2/3) ... [2019-10-22 09:00:39,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58713c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:39, skipping insertion in model container [2019-10-22 09:00:39,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:39" (3/3) ... [2019-10-22 09:00:39,331 INFO L109 eAbstractionObserver]: Analyzing ICFG tree_of_cslls.i [2019-10-22 09:00:39,341 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:39,364 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 104 error locations. [2019-10-22 09:00:39,376 INFO L249 AbstractCegarLoop]: Starting to check reachability of 104 error locations. [2019-10-22 09:00:39,397 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:39,397 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 09:00:39,397 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:39,397 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:39,398 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:39,398 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:39,398 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:39,398 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:39,415 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states. [2019-10-22 09:00:39,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 09:00:39,424 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:39,424 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:39,426 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr1REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr89REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr92ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr85REQUIRES_VIOLATION, mainErr101ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr100ASSERT_VIOLATIONMEMORY_FREE, mainErr74REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr90REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr94ASSERT_VIOLATIONMEMORY_FREE, mainErr82REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr86REQUIRES_VIOLATION, mainErr102ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr93ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr87REQUIRES_VIOLATION, mainErr103ENSURES_VIOLATIONMEMORY_LEAK, mainErr26REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr91REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr83REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr80REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr95REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr88REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr99ASSERT_VIOLATIONMEMORY_FREE, mainErr61REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr84REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr97ASSERT_VIOLATIONMEMORY_FREE, mainErr81REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr98ASSERT_VIOLATIONMEMORY_FREE, mainErr73REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr96REQUIRES_VIOLATION]=== [2019-10-22 09:00:39,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:39,432 INFO L82 PathProgramCache]: Analyzing trace with hash 515179929, now seen corresponding path program 1 times [2019-10-22 09:00:39,440 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:39,440 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500509066] [2019-10-22 09:00:39,440 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:39,441 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:39,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:39,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:39,592 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500509066] [2019-10-22 09:00:39,593 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:39,593 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:39,593 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038765085] [2019-10-22 09:00:39,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:00:39,598 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:39,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:00:39,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:39,616 INFO L87 Difference]: Start difference. First operand 213 states. Second operand 4 states. [2019-10-22 09:00:40,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:40,294 INFO L93 Difference]: Finished difference Result 284 states and 307 transitions. [2019-10-22 09:00:40,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:00:40,296 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 09:00:40,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:40,309 INFO L225 Difference]: With dead ends: 284 [2019-10-22 09:00:40,309 INFO L226 Difference]: Without dead ends: 280 [2019-10-22 09:00:40,311 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:40,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2019-10-22 09:00:40,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 201. [2019-10-22 09:00:40,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2019-10-22 09:00:40,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 217 transitions. [2019-10-22 09:00:40,362 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 217 transitions. Word has length 7 [2019-10-22 09:00:40,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:40,364 INFO L462 AbstractCegarLoop]: Abstraction has 201 states and 217 transitions. [2019-10-22 09:00:40,364 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:00:40,364 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 217 transitions. [2019-10-22 09:00:40,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 09:00:40,365 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:40,365 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:40,365 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr1REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr89REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr92ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr85REQUIRES_VIOLATION, mainErr101ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr100ASSERT_VIOLATIONMEMORY_FREE, mainErr74REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr90REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr94ASSERT_VIOLATIONMEMORY_FREE, mainErr82REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr86REQUIRES_VIOLATION, mainErr102ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr93ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr87REQUIRES_VIOLATION, mainErr103ENSURES_VIOLATIONMEMORY_LEAK, mainErr26REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr91REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr83REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr80REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr95REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr88REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr99ASSERT_VIOLATIONMEMORY_FREE, mainErr61REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr84REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr97ASSERT_VIOLATIONMEMORY_FREE, mainErr81REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr98ASSERT_VIOLATIONMEMORY_FREE, mainErr73REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr96REQUIRES_VIOLATION]=== [2019-10-22 09:00:40,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:40,366 INFO L82 PathProgramCache]: Analyzing trace with hash 515179930, now seen corresponding path program 1 times [2019-10-22 09:00:40,366 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:40,366 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656536152] [2019-10-22 09:00:40,366 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:40,367 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:40,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:40,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:40,430 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656536152] [2019-10-22 09:00:40,430 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:40,430 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:40,430 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460707813] [2019-10-22 09:00:40,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:00:40,432 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:40,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:00:40,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:40,433 INFO L87 Difference]: Start difference. First operand 201 states and 217 transitions. Second operand 4 states. [2019-10-22 09:00:40,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:40,804 INFO L93 Difference]: Finished difference Result 199 states and 215 transitions. [2019-10-22 09:00:40,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:00:40,805 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 09:00:40,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:40,806 INFO L225 Difference]: With dead ends: 199 [2019-10-22 09:00:40,807 INFO L226 Difference]: Without dead ends: 199 [2019-10-22 09:00:40,807 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:40,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2019-10-22 09:00:40,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2019-10-22 09:00:40,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-10-22 09:00:40,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 215 transitions. [2019-10-22 09:00:40,847 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 215 transitions. Word has length 7 [2019-10-22 09:00:40,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:40,848 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 215 transitions. [2019-10-22 09:00:40,848 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:00:40,848 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 215 transitions. [2019-10-22 09:00:40,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 09:00:40,848 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:40,848 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:40,849 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr1REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr89REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr92ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr85REQUIRES_VIOLATION, mainErr101ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr100ASSERT_VIOLATIONMEMORY_FREE, mainErr74REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr90REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr94ASSERT_VIOLATIONMEMORY_FREE, mainErr82REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr86REQUIRES_VIOLATION, mainErr102ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr93ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr87REQUIRES_VIOLATION, mainErr103ENSURES_VIOLATIONMEMORY_LEAK, mainErr26REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr91REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr83REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr80REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr95REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr88REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr99ASSERT_VIOLATIONMEMORY_FREE, mainErr61REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr84REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr97ASSERT_VIOLATIONMEMORY_FREE, mainErr81REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr98ASSERT_VIOLATIONMEMORY_FREE, mainErr73REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr96REQUIRES_VIOLATION]=== [2019-10-22 09:00:40,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:40,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1807098455, now seen corresponding path program 1 times [2019-10-22 09:00:40,850 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:40,851 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844080333] [2019-10-22 09:00:40,851 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:40,851 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:40,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:40,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:40,956 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844080333] [2019-10-22 09:00:40,956 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:40,956 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:00:40,957 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569091030] [2019-10-22 09:00:40,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:40,957 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:40,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:40,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:40,958 INFO L87 Difference]: Start difference. First operand 199 states and 215 transitions. Second operand 5 states. [2019-10-22 09:00:41,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:41,516 INFO L93 Difference]: Finished difference Result 356 states and 384 transitions. [2019-10-22 09:00:41,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:00:41,517 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-10-22 09:00:41,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:41,519 INFO L225 Difference]: With dead ends: 356 [2019-10-22 09:00:41,519 INFO L226 Difference]: Without dead ends: 356 [2019-10-22 09:00:41,520 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:41,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-10-22 09:00:41,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 192. [2019-10-22 09:00:41,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-10-22 09:00:41,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 208 transitions. [2019-10-22 09:00:41,532 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 208 transitions. Word has length 10 [2019-10-22 09:00:41,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:41,532 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 208 transitions. [2019-10-22 09:00:41,532 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:41,532 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 208 transitions. [2019-10-22 09:00:41,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 09:00:41,532 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:41,533 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:41,533 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr1REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr89REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr92ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr85REQUIRES_VIOLATION, mainErr101ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr100ASSERT_VIOLATIONMEMORY_FREE, mainErr74REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr90REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr94ASSERT_VIOLATIONMEMORY_FREE, mainErr82REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr86REQUIRES_VIOLATION, mainErr102ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr93ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr87REQUIRES_VIOLATION, mainErr103ENSURES_VIOLATIONMEMORY_LEAK, mainErr26REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr91REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr83REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr80REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr95REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr88REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr99ASSERT_VIOLATIONMEMORY_FREE, mainErr61REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr84REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr97ASSERT_VIOLATIONMEMORY_FREE, mainErr81REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr98ASSERT_VIOLATIONMEMORY_FREE, mainErr73REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr96REQUIRES_VIOLATION]=== [2019-10-22 09:00:41,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:41,534 INFO L82 PathProgramCache]: Analyzing trace with hash -2145023070, now seen corresponding path program 1 times [2019-10-22 09:00:41,534 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:41,534 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846840176] [2019-10-22 09:00:41,534 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:41,534 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:41,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:41,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:41,591 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846840176] [2019-10-22 09:00:41,591 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:41,591 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:41,592 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652834574] [2019-10-22 09:00:41,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:00:41,592 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:41,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:41,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:41,593 INFO L87 Difference]: Start difference. First operand 192 states and 208 transitions. Second operand 6 states. [2019-10-22 09:00:42,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:42,065 INFO L93 Difference]: Finished difference Result 270 states and 292 transitions. [2019-10-22 09:00:42,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 09:00:42,065 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-10-22 09:00:42,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:42,067 INFO L225 Difference]: With dead ends: 270 [2019-10-22 09:00:42,067 INFO L226 Difference]: Without dead ends: 270 [2019-10-22 09:00:42,067 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:00:42,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-10-22 09:00:42,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 191. [2019-10-22 09:00:42,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-10-22 09:00:42,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 207 transitions. [2019-10-22 09:00:42,090 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 207 transitions. Word has length 13 [2019-10-22 09:00:42,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:42,090 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 207 transitions. [2019-10-22 09:00:42,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:00:42,090 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 207 transitions. [2019-10-22 09:00:42,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 09:00:42,091 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:42,091 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:42,091 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr1REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr89REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr92ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr85REQUIRES_VIOLATION, mainErr101ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr100ASSERT_VIOLATIONMEMORY_FREE, mainErr74REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr90REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr94ASSERT_VIOLATIONMEMORY_FREE, mainErr82REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr86REQUIRES_VIOLATION, mainErr102ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr93ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr87REQUIRES_VIOLATION, mainErr103ENSURES_VIOLATIONMEMORY_LEAK, mainErr26REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr91REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr83REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr80REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr95REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr88REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr99ASSERT_VIOLATIONMEMORY_FREE, mainErr61REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr84REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr97ASSERT_VIOLATIONMEMORY_FREE, mainErr81REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr98ASSERT_VIOLATIONMEMORY_FREE, mainErr73REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr96REQUIRES_VIOLATION]=== [2019-10-22 09:00:42,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:42,091 INFO L82 PathProgramCache]: Analyzing trace with hash -2145023069, now seen corresponding path program 1 times [2019-10-22 09:00:42,092 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:42,092 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601596902] [2019-10-22 09:00:42,092 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:42,092 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:42,092 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:42,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:42,176 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601596902] [2019-10-22 09:00:42,176 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:42,177 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:42,177 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943845583] [2019-10-22 09:00:42,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:00:42,178 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:42,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:42,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:42,178 INFO L87 Difference]: Start difference. First operand 191 states and 207 transitions. Second operand 6 states. [2019-10-22 09:00:42,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:42,676 INFO L93 Difference]: Finished difference Result 310 states and 340 transitions. [2019-10-22 09:00:42,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 09:00:42,677 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-10-22 09:00:42,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:42,678 INFO L225 Difference]: With dead ends: 310 [2019-10-22 09:00:42,678 INFO L226 Difference]: Without dead ends: 310 [2019-10-22 09:00:42,679 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:00:42,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2019-10-22 09:00:42,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 190. [2019-10-22 09:00:42,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2019-10-22 09:00:42,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 206 transitions. [2019-10-22 09:00:42,686 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 206 transitions. Word has length 13 [2019-10-22 09:00:42,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:42,687 INFO L462 AbstractCegarLoop]: Abstraction has 190 states and 206 transitions. [2019-10-22 09:00:42,687 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:00:42,687 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 206 transitions. [2019-10-22 09:00:42,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 09:00:42,687 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:42,687 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:42,688 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr1REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr89REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr92ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr85REQUIRES_VIOLATION, mainErr101ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr100ASSERT_VIOLATIONMEMORY_FREE, mainErr74REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr90REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr94ASSERT_VIOLATIONMEMORY_FREE, mainErr82REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr86REQUIRES_VIOLATION, mainErr102ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr93ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr87REQUIRES_VIOLATION, mainErr103ENSURES_VIOLATIONMEMORY_LEAK, mainErr26REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr91REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr83REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr80REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr95REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr88REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr99ASSERT_VIOLATIONMEMORY_FREE, mainErr61REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr84REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr97ASSERT_VIOLATIONMEMORY_FREE, mainErr81REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr98ASSERT_VIOLATIONMEMORY_FREE, mainErr73REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr96REQUIRES_VIOLATION]=== [2019-10-22 09:00:42,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:42,688 INFO L82 PathProgramCache]: Analyzing trace with hash 351254244, now seen corresponding path program 1 times [2019-10-22 09:00:42,688 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:42,689 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112969572] [2019-10-22 09:00:42,689 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:42,689 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:42,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:42,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:42,786 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112969572] [2019-10-22 09:00:42,787 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:42,787 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 09:00:42,787 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121870036] [2019-10-22 09:00:42,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 09:00:42,788 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:42,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 09:00:42,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:00:42,788 INFO L87 Difference]: Start difference. First operand 190 states and 206 transitions. Second operand 9 states. [2019-10-22 09:00:43,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:43,579 INFO L93 Difference]: Finished difference Result 440 states and 482 transitions. [2019-10-22 09:00:43,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-22 09:00:43,580 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-10-22 09:00:43,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:43,581 INFO L225 Difference]: With dead ends: 440 [2019-10-22 09:00:43,582 INFO L226 Difference]: Without dead ends: 440 [2019-10-22 09:00:43,582 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2019-10-22 09:00:43,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2019-10-22 09:00:43,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 194. [2019-10-22 09:00:43,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-10-22 09:00:43,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 212 transitions. [2019-10-22 09:00:43,597 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 212 transitions. Word has length 18 [2019-10-22 09:00:43,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:43,597 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 212 transitions. [2019-10-22 09:00:43,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 09:00:43,597 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 212 transitions. [2019-10-22 09:00:43,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 09:00:43,598 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:43,598 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:43,599 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr1REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr89REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr92ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr85REQUIRES_VIOLATION, mainErr101ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr100ASSERT_VIOLATIONMEMORY_FREE, mainErr74REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr90REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr94ASSERT_VIOLATIONMEMORY_FREE, mainErr82REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr86REQUIRES_VIOLATION, mainErr102ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr93ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr87REQUIRES_VIOLATION, mainErr103ENSURES_VIOLATIONMEMORY_LEAK, mainErr26REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr91REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr83REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr80REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr95REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr88REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr99ASSERT_VIOLATIONMEMORY_FREE, mainErr61REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr84REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr97ASSERT_VIOLATIONMEMORY_FREE, mainErr81REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr98ASSERT_VIOLATIONMEMORY_FREE, mainErr73REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr96REQUIRES_VIOLATION]=== [2019-10-22 09:00:43,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:43,599 INFO L82 PathProgramCache]: Analyzing trace with hash 351254245, now seen corresponding path program 1 times [2019-10-22 09:00:43,599 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:43,599 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261278763] [2019-10-22 09:00:43,599 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:43,599 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:43,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:43,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:43,770 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261278763] [2019-10-22 09:00:43,771 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:43,771 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-22 09:00:43,771 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247423513] [2019-10-22 09:00:43,771 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 09:00:43,771 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:43,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 09:00:43,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-22 09:00:43,772 INFO L87 Difference]: Start difference. First operand 194 states and 212 transitions. Second operand 10 states. [2019-10-22 09:00:45,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:45,172 INFO L93 Difference]: Finished difference Result 554 states and 610 transitions. [2019-10-22 09:00:45,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 09:00:45,173 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2019-10-22 09:00:45,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:45,175 INFO L225 Difference]: With dead ends: 554 [2019-10-22 09:00:45,175 INFO L226 Difference]: Without dead ends: 554 [2019-10-22 09:00:45,175 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2019-10-22 09:00:45,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2019-10-22 09:00:45,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 194. [2019-10-22 09:00:45,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-10-22 09:00:45,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 211 transitions. [2019-10-22 09:00:45,183 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 211 transitions. Word has length 18 [2019-10-22 09:00:45,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:45,183 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 211 transitions. [2019-10-22 09:00:45,183 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 09:00:45,183 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 211 transitions. [2019-10-22 09:00:45,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 09:00:45,184 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:45,184 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:45,184 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr1REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr89REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr92ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr85REQUIRES_VIOLATION, mainErr101ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr100ASSERT_VIOLATIONMEMORY_FREE, mainErr74REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr90REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr94ASSERT_VIOLATIONMEMORY_FREE, mainErr82REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr86REQUIRES_VIOLATION, mainErr102ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr93ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr87REQUIRES_VIOLATION, mainErr103ENSURES_VIOLATIONMEMORY_LEAK, mainErr26REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr91REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr83REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr80REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr95REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr88REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr99ASSERT_VIOLATIONMEMORY_FREE, mainErr61REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr84REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr97ASSERT_VIOLATIONMEMORY_FREE, mainErr81REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr98ASSERT_VIOLATIONMEMORY_FREE, mainErr73REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr96REQUIRES_VIOLATION]=== [2019-10-22 09:00:45,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:45,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1996020309, now seen corresponding path program 1 times [2019-10-22 09:00:45,185 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:45,185 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264487631] [2019-10-22 09:00:45,185 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:45,185 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:45,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:45,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:45,234 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264487631] [2019-10-22 09:00:45,234 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:45,235 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:45,235 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428636413] [2019-10-22 09:00:45,235 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:00:45,235 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:45,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:00:45,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:45,236 INFO L87 Difference]: Start difference. First operand 194 states and 211 transitions. Second operand 4 states. [2019-10-22 09:00:45,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:45,706 INFO L93 Difference]: Finished difference Result 317 states and 349 transitions. [2019-10-22 09:00:45,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:00:45,706 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-10-22 09:00:45,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:45,708 INFO L225 Difference]: With dead ends: 317 [2019-10-22 09:00:45,708 INFO L226 Difference]: Without dead ends: 317 [2019-10-22 09:00:45,708 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:45,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2019-10-22 09:00:45,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 191. [2019-10-22 09:00:45,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-10-22 09:00:45,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 208 transitions. [2019-10-22 09:00:45,714 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 208 transitions. Word has length 19 [2019-10-22 09:00:45,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:45,714 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 208 transitions. [2019-10-22 09:00:45,714 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:00:45,714 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 208 transitions. [2019-10-22 09:00:45,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 09:00:45,715 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:45,715 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:45,715 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr1REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr89REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr92ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr85REQUIRES_VIOLATION, mainErr101ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr100ASSERT_VIOLATIONMEMORY_FREE, mainErr74REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr90REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr94ASSERT_VIOLATIONMEMORY_FREE, mainErr82REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr86REQUIRES_VIOLATION, mainErr102ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr93ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr87REQUIRES_VIOLATION, mainErr103ENSURES_VIOLATIONMEMORY_LEAK, mainErr26REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr91REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr83REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr80REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr95REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr88REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr99ASSERT_VIOLATIONMEMORY_FREE, mainErr61REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr84REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr97ASSERT_VIOLATIONMEMORY_FREE, mainErr81REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr98ASSERT_VIOLATIONMEMORY_FREE, mainErr73REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr96REQUIRES_VIOLATION]=== [2019-10-22 09:00:45,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:45,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1996020308, now seen corresponding path program 1 times [2019-10-22 09:00:45,716 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:45,716 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860885469] [2019-10-22 09:00:45,716 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:45,716 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:45,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:45,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:45,755 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860885469] [2019-10-22 09:00:45,756 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:45,756 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:45,756 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128862973] [2019-10-22 09:00:45,756 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:00:45,756 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:45,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:00:45,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:45,757 INFO L87 Difference]: Start difference. First operand 191 states and 208 transitions. Second operand 4 states. [2019-10-22 09:00:46,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:46,179 INFO L93 Difference]: Finished difference Result 295 states and 327 transitions. [2019-10-22 09:00:46,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:00:46,180 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-10-22 09:00:46,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:46,181 INFO L225 Difference]: With dead ends: 295 [2019-10-22 09:00:46,181 INFO L226 Difference]: Without dead ends: 295 [2019-10-22 09:00:46,181 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:46,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2019-10-22 09:00:46,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 189. [2019-10-22 09:00:46,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2019-10-22 09:00:46,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 206 transitions. [2019-10-22 09:00:46,186 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 206 transitions. Word has length 19 [2019-10-22 09:00:46,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:46,186 INFO L462 AbstractCegarLoop]: Abstraction has 189 states and 206 transitions. [2019-10-22 09:00:46,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:00:46,186 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 206 transitions. [2019-10-22 09:00:46,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 09:00:46,186 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:46,187 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] [2019-10-22 09:00:46,187 INFO L410 AbstractCegarLoop]: === Iteration 10 === [mainErr1REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr89REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr92ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr85REQUIRES_VIOLATION, mainErr101ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr100ASSERT_VIOLATIONMEMORY_FREE, mainErr74REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr90REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr94ASSERT_VIOLATIONMEMORY_FREE, mainErr82REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr86REQUIRES_VIOLATION, mainErr102ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr93ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr87REQUIRES_VIOLATION, mainErr103ENSURES_VIOLATIONMEMORY_LEAK, mainErr26REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr91REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr83REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr80REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr95REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr88REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr99ASSERT_VIOLATIONMEMORY_FREE, mainErr61REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr84REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr97ASSERT_VIOLATIONMEMORY_FREE, mainErr81REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr98ASSERT_VIOLATIONMEMORY_FREE, mainErr73REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr96REQUIRES_VIOLATION]=== [2019-10-22 09:00:46,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:46,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1748259131, now seen corresponding path program 1 times [2019-10-22 09:00:46,187 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:46,188 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545915247] [2019-10-22 09:00:46,188 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:46,192 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:46,192 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:46,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:46,244 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545915247] [2019-10-22 09:00:46,244 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:46,244 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:00:46,244 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51539085] [2019-10-22 09:00:46,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:46,244 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:46,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:46,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:46,245 INFO L87 Difference]: Start difference. First operand 189 states and 206 transitions. Second operand 5 states. [2019-10-22 09:00:46,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:46,618 INFO L93 Difference]: Finished difference Result 256 states and 280 transitions. [2019-10-22 09:00:46,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:00:46,618 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-10-22 09:00:46,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:46,619 INFO L225 Difference]: With dead ends: 256 [2019-10-22 09:00:46,619 INFO L226 Difference]: Without dead ends: 256 [2019-10-22 09:00:46,619 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:46,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2019-10-22 09:00:46,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 178. [2019-10-22 09:00:46,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-10-22 09:00:46,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 199 transitions. [2019-10-22 09:00:46,624 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 199 transitions. Word has length 20 [2019-10-22 09:00:46,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:46,624 INFO L462 AbstractCegarLoop]: Abstraction has 178 states and 199 transitions. [2019-10-22 09:00:46,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:46,624 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 199 transitions. [2019-10-22 09:00:46,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 09:00:46,625 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:46,625 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] [2019-10-22 09:00:46,625 INFO L410 AbstractCegarLoop]: === Iteration 11 === [mainErr1REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr89REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr92ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr85REQUIRES_VIOLATION, mainErr101ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr100ASSERT_VIOLATIONMEMORY_FREE, mainErr74REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr90REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr94ASSERT_VIOLATIONMEMORY_FREE, mainErr82REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr86REQUIRES_VIOLATION, mainErr102ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr93ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr87REQUIRES_VIOLATION, mainErr103ENSURES_VIOLATIONMEMORY_LEAK, mainErr26REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr91REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr83REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr80REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr95REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr88REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr99ASSERT_VIOLATIONMEMORY_FREE, mainErr61REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr84REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr97ASSERT_VIOLATIONMEMORY_FREE, mainErr81REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr98ASSERT_VIOLATIONMEMORY_FREE, mainErr73REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr96REQUIRES_VIOLATION]=== [2019-10-22 09:00:46,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:46,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1748259130, now seen corresponding path program 1 times [2019-10-22 09:00:46,626 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:46,626 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238723280] [2019-10-22 09:00:46,626 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:46,626 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:46,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:46,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:46,680 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238723280] [2019-10-22 09:00:46,680 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:46,680 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:46,680 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859275403] [2019-10-22 09:00:46,681 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:00:46,681 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:46,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:46,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:46,682 INFO L87 Difference]: Start difference. First operand 178 states and 199 transitions. Second operand 6 states. [2019-10-22 09:00:47,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:47,240 INFO L93 Difference]: Finished difference Result 440 states and 494 transitions. [2019-10-22 09:00:47,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 09:00:47,241 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2019-10-22 09:00:47,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:47,242 INFO L225 Difference]: With dead ends: 440 [2019-10-22 09:00:47,242 INFO L226 Difference]: Without dead ends: 440 [2019-10-22 09:00:47,243 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:00:47,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2019-10-22 09:00:47,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 320. [2019-10-22 09:00:47,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2019-10-22 09:00:47,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 449 transitions. [2019-10-22 09:00:47,251 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 449 transitions. Word has length 20 [2019-10-22 09:00:47,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:47,252 INFO L462 AbstractCegarLoop]: Abstraction has 320 states and 449 transitions. [2019-10-22 09:00:47,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:00:47,252 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 449 transitions. [2019-10-22 09:00:47,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 09:00:47,252 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:47,252 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] [2019-10-22 09:00:47,253 INFO L410 AbstractCegarLoop]: === Iteration 12 === [mainErr1REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr89REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr92ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr85REQUIRES_VIOLATION, mainErr101ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr100ASSERT_VIOLATIONMEMORY_FREE, mainErr74REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr90REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr94ASSERT_VIOLATIONMEMORY_FREE, mainErr82REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr86REQUIRES_VIOLATION, mainErr102ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr93ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr87REQUIRES_VIOLATION, mainErr103ENSURES_VIOLATIONMEMORY_LEAK, mainErr26REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr91REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr83REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr80REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr95REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr88REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr99ASSERT_VIOLATIONMEMORY_FREE, mainErr61REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr84REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr97ASSERT_VIOLATIONMEMORY_FREE, mainErr81REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr98ASSERT_VIOLATIONMEMORY_FREE, mainErr73REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr96REQUIRES_VIOLATION]=== [2019-10-22 09:00:47,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:47,253 INFO L82 PathProgramCache]: Analyzing trace with hash -744735220, now seen corresponding path program 1 times [2019-10-22 09:00:47,254 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:47,254 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228980765] [2019-10-22 09:00:47,254 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:47,254 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:47,254 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:47,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:47,287 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228980765] [2019-10-22 09:00:47,287 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:47,287 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:00:47,287 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714861356] [2019-10-22 09:00:47,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:00:47,288 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:47,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:00:47,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:47,288 INFO L87 Difference]: Start difference. First operand 320 states and 449 transitions. Second operand 4 states. [2019-10-22 09:00:47,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:47,571 INFO L93 Difference]: Finished difference Result 394 states and 527 transitions. [2019-10-22 09:00:47,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:00:47,571 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-10-22 09:00:47,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:47,573 INFO L225 Difference]: With dead ends: 394 [2019-10-22 09:00:47,573 INFO L226 Difference]: Without dead ends: 394 [2019-10-22 09:00:47,573 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:47,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2019-10-22 09:00:47,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 360. [2019-10-22 09:00:47,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2019-10-22 09:00:47,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 527 transitions. [2019-10-22 09:00:47,582 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 527 transitions. Word has length 22 [2019-10-22 09:00:47,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:47,583 INFO L462 AbstractCegarLoop]: Abstraction has 360 states and 527 transitions. [2019-10-22 09:00:47,583 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:00:47,583 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 527 transitions. [2019-10-22 09:00:47,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 09:00:47,583 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:47,583 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] [2019-10-22 09:00:47,584 INFO L410 AbstractCegarLoop]: === Iteration 13 === [mainErr1REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr89REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr92ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr85REQUIRES_VIOLATION, mainErr101ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr100ASSERT_VIOLATIONMEMORY_FREE, mainErr74REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr90REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr94ASSERT_VIOLATIONMEMORY_FREE, mainErr82REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr86REQUIRES_VIOLATION, mainErr102ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr93ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr87REQUIRES_VIOLATION, mainErr103ENSURES_VIOLATIONMEMORY_LEAK, mainErr26REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr91REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr83REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr80REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr95REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr88REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr99ASSERT_VIOLATIONMEMORY_FREE, mainErr61REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr84REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr97ASSERT_VIOLATIONMEMORY_FREE, mainErr81REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr98ASSERT_VIOLATIONMEMORY_FREE, mainErr73REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr96REQUIRES_VIOLATION]=== [2019-10-22 09:00:47,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:47,584 INFO L82 PathProgramCache]: Analyzing trace with hash 381205610, now seen corresponding path program 1 times [2019-10-22 09:00:47,584 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:47,584 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980903152] [2019-10-22 09:00:47,585 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:47,585 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:47,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:47,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:47,684 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980903152] [2019-10-22 09:00:47,684 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:47,684 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 09:00:47,685 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523817227] [2019-10-22 09:00:47,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 09:00:47,685 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:47,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 09:00:47,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:00:47,688 INFO L87 Difference]: Start difference. First operand 360 states and 527 transitions. Second operand 9 states. [2019-10-22 09:00:48,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:48,385 INFO L93 Difference]: Finished difference Result 816 states and 1195 transitions. [2019-10-22 09:00:48,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 09:00:48,393 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-10-22 09:00:48,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:48,396 INFO L225 Difference]: With dead ends: 816 [2019-10-22 09:00:48,398 INFO L226 Difference]: Without dead ends: 816 [2019-10-22 09:00:48,398 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2019-10-22 09:00:48,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2019-10-22 09:00:48,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 359. [2019-10-22 09:00:48,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-10-22 09:00:48,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 526 transitions. [2019-10-22 09:00:48,416 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 526 transitions. Word has length 22 [2019-10-22 09:00:48,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:48,417 INFO L462 AbstractCegarLoop]: Abstraction has 359 states and 526 transitions. [2019-10-22 09:00:48,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 09:00:48,417 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 526 transitions. [2019-10-22 09:00:48,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 09:00:48,420 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:48,420 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] [2019-10-22 09:00:48,420 INFO L410 AbstractCegarLoop]: === Iteration 14 === [mainErr1REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr89REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr92ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr85REQUIRES_VIOLATION, mainErr101ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr100ASSERT_VIOLATIONMEMORY_FREE, mainErr74REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr90REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr94ASSERT_VIOLATIONMEMORY_FREE, mainErr82REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr86REQUIRES_VIOLATION, mainErr102ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr93ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr87REQUIRES_VIOLATION, mainErr103ENSURES_VIOLATIONMEMORY_LEAK, mainErr26REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr91REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr83REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr80REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr95REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr88REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr99ASSERT_VIOLATIONMEMORY_FREE, mainErr61REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr84REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr97ASSERT_VIOLATIONMEMORY_FREE, mainErr81REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr98ASSERT_VIOLATIONMEMORY_FREE, mainErr73REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr96REQUIRES_VIOLATION]=== [2019-10-22 09:00:48,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:48,421 INFO L82 PathProgramCache]: Analyzing trace with hash 381205611, now seen corresponding path program 1 times [2019-10-22 09:00:48,421 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:48,421 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556252440] [2019-10-22 09:00:48,421 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:48,422 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:48,422 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:48,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:48,561 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556252440] [2019-10-22 09:00:48,561 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:48,564 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 09:00:48,564 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057604561] [2019-10-22 09:00:48,564 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 09:00:48,564 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:48,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 09:00:48,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:00:48,565 INFO L87 Difference]: Start difference. First operand 359 states and 526 transitions. Second operand 9 states. [2019-10-22 09:00:49,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:49,492 INFO L93 Difference]: Finished difference Result 815 states and 1194 transitions. [2019-10-22 09:00:49,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 09:00:49,493 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-10-22 09:00:49,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:49,495 INFO L225 Difference]: With dead ends: 815 [2019-10-22 09:00:49,496 INFO L226 Difference]: Without dead ends: 815 [2019-10-22 09:00:49,496 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2019-10-22 09:00:49,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2019-10-22 09:00:49,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 358. [2019-10-22 09:00:49,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2019-10-22 09:00:49,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 525 transitions. [2019-10-22 09:00:49,510 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 525 transitions. Word has length 22 [2019-10-22 09:00:49,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:49,511 INFO L462 AbstractCegarLoop]: Abstraction has 358 states and 525 transitions. [2019-10-22 09:00:49,511 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 09:00:49,511 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 525 transitions. [2019-10-22 09:00:49,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 09:00:49,513 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:49,514 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] [2019-10-22 09:00:49,514 INFO L410 AbstractCegarLoop]: === Iteration 15 === [mainErr1REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr89REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr92ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr85REQUIRES_VIOLATION, mainErr101ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr100ASSERT_VIOLATIONMEMORY_FREE, mainErr74REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr90REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr94ASSERT_VIOLATIONMEMORY_FREE, mainErr82REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr86REQUIRES_VIOLATION, mainErr102ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr93ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr87REQUIRES_VIOLATION, mainErr103ENSURES_VIOLATIONMEMORY_LEAK, mainErr26REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr91REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr83REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr80REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr95REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr88REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr99ASSERT_VIOLATIONMEMORY_FREE, mainErr61REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr84REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr97ASSERT_VIOLATIONMEMORY_FREE, mainErr81REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr98ASSERT_VIOLATIONMEMORY_FREE, mainErr73REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr96REQUIRES_VIOLATION]=== [2019-10-22 09:00:49,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:49,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1525448933, now seen corresponding path program 1 times [2019-10-22 09:00:49,514 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:49,514 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988044700] [2019-10-22 09:00:49,515 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:49,515 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:49,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:49,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:49,552 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988044700] [2019-10-22 09:00:49,552 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:49,552 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:00:49,552 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921147768] [2019-10-22 09:00:49,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:00:49,552 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:49,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:00:49,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:49,553 INFO L87 Difference]: Start difference. First operand 358 states and 525 transitions. Second operand 4 states. [2019-10-22 09:00:49,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:49,727 INFO L93 Difference]: Finished difference Result 362 states and 529 transitions. [2019-10-22 09:00:49,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:00:49,727 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-10-22 09:00:49,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:49,728 INFO L225 Difference]: With dead ends: 362 [2019-10-22 09:00:49,729 INFO L226 Difference]: Without dead ends: 362 [2019-10-22 09:00:49,729 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:49,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2019-10-22 09:00:49,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2019-10-22 09:00:49,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2019-10-22 09:00:49,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 529 transitions. [2019-10-22 09:00:49,735 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 529 transitions. Word has length 26 [2019-10-22 09:00:49,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:49,735 INFO L462 AbstractCegarLoop]: Abstraction has 362 states and 529 transitions. [2019-10-22 09:00:49,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:00:49,736 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 529 transitions. [2019-10-22 09:00:49,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 09:00:49,736 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:49,736 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:49,736 INFO L410 AbstractCegarLoop]: === Iteration 16 === [mainErr1REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr89REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr92ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr85REQUIRES_VIOLATION, mainErr101ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr100ASSERT_VIOLATIONMEMORY_FREE, mainErr74REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr90REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr94ASSERT_VIOLATIONMEMORY_FREE, mainErr82REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr86REQUIRES_VIOLATION, mainErr102ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr93ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr87REQUIRES_VIOLATION, mainErr103ENSURES_VIOLATIONMEMORY_LEAK, mainErr26REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr91REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr83REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr80REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr95REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr88REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr99ASSERT_VIOLATIONMEMORY_FREE, mainErr61REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr84REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr97ASSERT_VIOLATIONMEMORY_FREE, mainErr81REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr98ASSERT_VIOLATIONMEMORY_FREE, mainErr73REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr96REQUIRES_VIOLATION]=== [2019-10-22 09:00:49,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:49,737 INFO L82 PathProgramCache]: Analyzing trace with hash -962058960, now seen corresponding path program 1 times [2019-10-22 09:00:49,737 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:49,737 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849373943] [2019-10-22 09:00:49,738 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:49,738 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:49,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:49,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:49,769 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849373943] [2019-10-22 09:00:49,769 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:49,769 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:00:49,769 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240875101] [2019-10-22 09:00:49,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:00:49,770 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:49,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:00:49,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:49,770 INFO L87 Difference]: Start difference. First operand 362 states and 529 transitions. Second operand 4 states. [2019-10-22 09:00:49,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:49,929 INFO L93 Difference]: Finished difference Result 365 states and 532 transitions. [2019-10-22 09:00:49,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:00:49,930 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2019-10-22 09:00:49,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:49,931 INFO L225 Difference]: With dead ends: 365 [2019-10-22 09:00:49,931 INFO L226 Difference]: Without dead ends: 365 [2019-10-22 09:00:49,931 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:49,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2019-10-22 09:00:49,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2019-10-22 09:00:49,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2019-10-22 09:00:49,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 532 transitions. [2019-10-22 09:00:49,938 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 532 transitions. Word has length 27 [2019-10-22 09:00:49,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:49,938 INFO L462 AbstractCegarLoop]: Abstraction has 365 states and 532 transitions. [2019-10-22 09:00:49,938 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:00:49,938 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 532 transitions. [2019-10-22 09:00:49,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 09:00:49,939 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:49,939 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:49,939 INFO L410 AbstractCegarLoop]: === Iteration 17 === [mainErr1REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr89REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr92ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr85REQUIRES_VIOLATION, mainErr101ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr100ASSERT_VIOLATIONMEMORY_FREE, mainErr74REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr90REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr94ASSERT_VIOLATIONMEMORY_FREE, mainErr82REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr86REQUIRES_VIOLATION, mainErr102ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr93ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr87REQUIRES_VIOLATION, mainErr103ENSURES_VIOLATIONMEMORY_LEAK, mainErr26REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr91REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr83REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr80REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr95REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr88REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr99ASSERT_VIOLATIONMEMORY_FREE, mainErr61REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr84REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr97ASSERT_VIOLATIONMEMORY_FREE, mainErr81REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr98ASSERT_VIOLATIONMEMORY_FREE, mainErr73REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr96REQUIRES_VIOLATION]=== [2019-10-22 09:00:49,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:49,940 INFO L82 PathProgramCache]: Analyzing trace with hash -509592137, now seen corresponding path program 1 times [2019-10-22 09:00:49,940 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:49,940 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003164932] [2019-10-22 09:00:49,940 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:49,940 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:49,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:50,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:50,122 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003164932] [2019-10-22 09:00:50,123 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631500402] [2019-10-22 09:00:50,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:50,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 30 conjunts are in the unsatisfiable core [2019-10-22 09:00:50,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:50,318 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:50,318 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-10-22 09:00:50,319 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:00:50,321 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:50,321 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:00:50,321 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2019-10-22 09:00:50,333 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 13 treesize of output 9 [2019-10-22 09:00:50,334 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:00:50,340 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:50,340 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:00:50,341 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:16 [2019-10-22 09:00:50,377 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:50,378 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 54 [2019-10-22 09:00:50,379 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:50,384 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:00:50,404 INFO L567 ElimStorePlain]: treesize reduction 26, result has 52.7 percent of original size [2019-10-22 09:00:50,405 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:00:50,405 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:39, output treesize:16 [2019-10-22 09:00:50,416 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:50,417 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-10-22 09:00:50,417 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:00:50,421 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:50,422 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:00:50,422 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:15 [2019-10-22 09:00:50,432 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 22 treesize of output 21 [2019-10-22 09:00:50,432 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:00:50,442 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:50,442 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:00:50,442 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:15 [2019-10-22 09:00:50,484 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:50,485 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 59 [2019-10-22 09:00:50,486 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 09:00:50,486 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:50,488 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2019-10-22 09:00:50,513 INFO L567 ElimStorePlain]: treesize reduction 86, result has 31.7 percent of original size [2019-10-22 09:00:50,516 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:00:50,516 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:49, output treesize:22 [2019-10-22 09:00:50,553 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:50,554 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 69 [2019-10-22 09:00:50,555 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:00:50,572 INFO L567 ElimStorePlain]: treesize reduction 32, result has 53.6 percent of original size [2019-10-22 09:00:50,573 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 09:00:50,573 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:37 [2019-10-22 09:00:50,609 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 41 treesize of output 17 [2019-10-22 09:00:50,610 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:00:50,623 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:50,624 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 09:00:50,625 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:46, output treesize:15 [2019-10-22 09:00:50,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:50,650 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:00:50,650 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 16 [2019-10-22 09:00:50,650 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433160492] [2019-10-22 09:00:50,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-22 09:00:50,651 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:50,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-22 09:00:50,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2019-10-22 09:00:50,651 INFO L87 Difference]: Start difference. First operand 365 states and 532 transitions. Second operand 17 states. [2019-10-22 09:00:51,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:51,986 INFO L93 Difference]: Finished difference Result 739 states and 1001 transitions. [2019-10-22 09:00:51,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 09:00:51,986 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 27 [2019-10-22 09:00:51,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:51,988 INFO L225 Difference]: With dead ends: 739 [2019-10-22 09:00:51,988 INFO L226 Difference]: Without dead ends: 739 [2019-10-22 09:00:51,989 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2019-10-22 09:00:51,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2019-10-22 09:00:51,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 364. [2019-10-22 09:00:51,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2019-10-22 09:00:51,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 531 transitions. [2019-10-22 09:00:51,999 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 531 transitions. Word has length 27 [2019-10-22 09:00:51,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:51,999 INFO L462 AbstractCegarLoop]: Abstraction has 364 states and 531 transitions. [2019-10-22 09:00:51,999 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-10-22 09:00:51,999 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 531 transitions. [2019-10-22 09:00:51,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 09:00:51,999 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:52,000 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:52,203 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:52,203 INFO L410 AbstractCegarLoop]: === Iteration 18 === [mainErr1REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr89REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr92ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr85REQUIRES_VIOLATION, mainErr101ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr100ASSERT_VIOLATIONMEMORY_FREE, mainErr74REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr90REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr94ASSERT_VIOLATIONMEMORY_FREE, mainErr82REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr86REQUIRES_VIOLATION, mainErr102ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr93ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr87REQUIRES_VIOLATION, mainErr103ENSURES_VIOLATIONMEMORY_LEAK, mainErr26REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr91REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr83REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr80REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr95REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr88REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr99ASSERT_VIOLATIONMEMORY_FREE, mainErr61REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr84REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr97ASSERT_VIOLATIONMEMORY_FREE, mainErr81REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr98ASSERT_VIOLATIONMEMORY_FREE, mainErr73REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr96REQUIRES_VIOLATION]=== [2019-10-22 09:00:52,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:52,204 INFO L82 PathProgramCache]: Analyzing trace with hash -509592136, now seen corresponding path program 1 times [2019-10-22 09:00:52,204 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:52,204 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162827405] [2019-10-22 09:00:52,204 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:52,204 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:52,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:52,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:52,504 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162827405] [2019-10-22 09:00:52,504 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355276391] [2019-10-22 09:00:52,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:52,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 34 conjunts are in the unsatisfiable core [2019-10-22 09:00:52,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:52,623 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:52,623 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-10-22 09:00:52,624 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:00:52,626 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:52,626 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:00:52,626 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2019-10-22 09:00:52,659 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-10-22 09:00:52,660 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:00:52,675 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:52,680 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-10-22 09:00:52,680 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 09:00:52,694 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:52,695 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:00:52,695 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:42, output treesize:20 [2019-10-22 09:00:52,770 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:52,770 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 107 [2019-10-22 09:00:52,771 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:52,773 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-10-22 09:00:52,830 INFO L567 ElimStorePlain]: treesize reduction 58, result has 74.7 percent of original size [2019-10-22 09:00:52,850 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:52,851 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 152 treesize of output 177 [2019-10-22 09:00:52,852 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:52,853 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:52,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:52,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:52,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:52,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:52,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:52,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:52,860 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:52,861 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:52,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:52,863 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:52,863 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:52,864 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:52,865 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:52,865 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:52,866 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:52,874 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_1], 1=[v_arrayElimArr_2], 2=[v_arrayElimArr_1]} [2019-10-22 09:00:53,074 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:53,075 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: no XNF at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:244) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:256) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) 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.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 09:00:53,079 INFO L168 Benchmark]: Toolchain (without parser) took 15261.14 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 325.6 MB). Free memory was 940.4 MB in the beginning and 979.4 MB in the end (delta: -38.9 MB). Peak memory consumption was 286.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:53,080 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 959.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:53,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:53,084 INFO L168 Benchmark]: Boogie Preprocessor took 56.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:53,084 INFO L168 Benchmark]: RCFGBuilder took 908.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 87.1 MB). Peak memory consumption was 87.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:53,085 INFO L168 Benchmark]: TraceAbstraction took 13761.23 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 176.2 MB). Free memory was 1.0 GB in the beginning and 979.4 MB in the end (delta: 64.1 MB). Peak memory consumption was 240.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:53,089 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 959.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 522.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 908.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 87.1 MB). Peak memory consumption was 87.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13761.23 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 176.2 MB). Free memory was 1.0 GB in the beginning and 979.4 MB in the end (delta: 64.1 MB). Peak memory consumption was 240.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: no XNF de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: no XNF: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:244) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:55,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:55,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:55,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:55,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:55,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:55,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:55,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:55,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:55,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:55,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:55,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:55,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:55,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:55,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:55,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:55,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:55,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:55,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:55,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:55,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:55,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:55,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:55,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:55,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:55,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:55,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:55,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:55,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:55,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:55,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:55,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:55,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:55,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:55,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:55,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:55,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:55,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:55,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:55,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:55,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:55,210 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-10-22 09:00:55,221 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:55,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:55,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:55,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:55,223 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:55,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:55,223 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:55,223 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:00:55,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:55,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:55,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:55,224 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 09:00:55,224 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 09:00:55,224 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 09:00:55,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:55,225 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 09:00:55,225 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 09:00:55,225 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:55,226 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:55,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:55,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:55,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:55,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:55,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:55,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:55,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:55,227 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 09:00:55,227 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 09:00:55,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 09:00:55,227 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/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 -> 6287b9eea0551e7dbc85a76ee8ee100d4ed20751 [2019-10-22 09:00:55,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:55,269 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:55,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:55,273 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:55,274 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:55,274 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/../../sv-benchmarks/c/memsafety-ext/tree_of_cslls.i [2019-10-22 09:00:55,327 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/data/ce9c6e628/09a12e62e0f64a918db05efd76d6c97a/FLAG4add6cad6 [2019-10-22 09:00:55,767 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:55,767 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/sv-benchmarks/c/memsafety-ext/tree_of_cslls.i [2019-10-22 09:00:55,776 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/data/ce9c6e628/09a12e62e0f64a918db05efd76d6c97a/FLAG4add6cad6 [2019-10-22 09:00:55,786 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/data/ce9c6e628/09a12e62e0f64a918db05efd76d6c97a [2019-10-22 09:00:55,788 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:55,789 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 09:00:55,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:55,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:55,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:55,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:55" (1/1) ... [2019-10-22 09:00:55,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1793d380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:55, skipping insertion in model container [2019-10-22 09:00:55,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:55" (1/1) ... [2019-10-22 09:00:55,803 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:55,838 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:56,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:56,182 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:56,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:56,294 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:56,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56 WrapperNode [2019-10-22 09:00:56,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:56,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:56,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:56,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:56,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56" (1/1) ... [2019-10-22 09:00:56,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56" (1/1) ... [2019-10-22 09:00:56,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56" (1/1) ... [2019-10-22 09:00:56,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56" (1/1) ... [2019-10-22 09:00:56,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56" (1/1) ... [2019-10-22 09:00:56,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56" (1/1) ... [2019-10-22 09:00:56,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56" (1/1) ... [2019-10-22 09:00:56,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:56,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:56,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:56,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:56,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 09:00:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 09:00:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 09:00:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-10-22 09:00:56,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-10-22 09:00:56,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-10-22 09:00:56,430 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 09:00:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 09:00:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-22 09:00:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 09:00:56,431 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 09:00:56,431 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 09:00:56,431 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 09:00:56,431 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 09:00:56,431 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 09:00:56,431 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 09:00:56,432 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 09:00:56,432 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 09:00:56,432 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 09:00:56,432 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 09:00:56,432 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 09:00:56,432 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 09:00:56,433 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 09:00:56,433 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 09:00:56,433 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 09:00:56,433 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 09:00:56,433 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 09:00:56,433 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-10-22 09:00:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-10-22 09:00:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-10-22 09:00:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 09:00:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 09:00:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 09:00:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 09:00:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 09:00:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 09:00:56,435 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 09:00:56,435 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 09:00:56,435 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 09:00:56,435 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 09:00:56,435 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 09:00:56,435 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 09:00:56,435 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 09:00:56,435 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 09:00:56,436 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 09:00:56,436 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 09:00:56,436 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 09:00:56,436 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 09:00:56,436 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 09:00:56,436 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 09:00:56,436 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 09:00:56,437 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 09:00:56,437 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 09:00:56,437 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 09:00:56,437 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 09:00:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 09:00:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 09:00:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 09:00:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 09:00:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 09:00:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 09:00:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 09:00:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 09:00:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 09:00:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 09:00:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 09:00:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 09:00:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 09:00:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 09:00:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 09:00:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 09:00:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 09:00:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 09:00:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 09:00:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 09:00:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 09:00:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 09:00:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 09:00:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 09:00:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 09:00:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 09:00:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 09:00:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 09:00:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 09:00:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 09:00:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 09:00:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 09:00:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 09:00:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 09:00:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 09:00:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 09:00:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 09:00:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 09:00:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 09:00:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 09:00:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 09:00:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 09:00:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 09:00:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 09:00:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 09:00:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 09:00:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 09:00:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 09:00:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 09:00:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 09:00:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 09:00:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 09:00:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 09:00:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 09:00:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 09:00:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 09:00:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 09:00:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 09:00:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 09:00:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 09:00:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 09:00:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 09:00:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 09:00:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 09:00:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 09:00:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:00:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 09:00:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:57,498 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:57,498 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 09:00:57,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:57 BoogieIcfgContainer [2019-10-22 09:00:57,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:57,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:57,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:57,504 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:57,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:55" (1/3) ... [2019-10-22 09:00:57,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea294d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:57, skipping insertion in model container [2019-10-22 09:00:57,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56" (2/3) ... [2019-10-22 09:00:57,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea294d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:57, skipping insertion in model container [2019-10-22 09:00:57,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:57" (3/3) ... [2019-10-22 09:00:57,508 INFO L109 eAbstractionObserver]: Analyzing ICFG tree_of_cslls.i [2019-10-22 09:00:57,518 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:57,526 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 104 error locations. [2019-10-22 09:00:57,538 INFO L249 AbstractCegarLoop]: Starting to check reachability of 104 error locations. [2019-10-22 09:00:57,558 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:57,558 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 09:00:57,559 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:57,559 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:57,559 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:57,559 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:57,559 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:57,559 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:57,584 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-10-22 09:00:57,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 09:00:57,593 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:57,594 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:57,597 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr30REQUIRES_VIOLATION, mainErr95REQUIRES_VIOLATION, mainErr98ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr91REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr87REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr97ASSERT_VIOLATIONMEMORY_FREE, mainErr64REQUIRES_VIOLATION, mainErr83REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr103ENSURES_VIOLATIONMEMORY_LEAK, mainErr60REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr100ASSERT_VIOLATIONMEMORY_FREE, mainErr90REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr99ASSERT_VIOLATIONMEMORY_FREE, mainErr40REQUIRES_VIOLATION, mainErr86REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr82REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr102ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr93ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr89REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr85REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr101ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr81REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr92ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr73REQUIRES_VIOLATION, mainErr96REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr88REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr84REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr80REQUIRES_VIOLATION, mainErr94ASSERT_VIOLATIONMEMORY_FREE, mainErr34REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION]=== [2019-10-22 09:00:57,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:57,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1688003544, now seen corresponding path program 1 times [2019-10-22 09:00:57,613 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:00:57,614 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [394770640] [2019-10-22 09:00:57,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c95f1b5-7c7a-4a45-96aa-c47070c20482/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 09:00:57,844 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 09:00:57,845 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort C_DOUBLE not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.createExternalManagedScript(IpTcStrategyModuleTraceCheck.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 09:00:57,849 INFO L168 Benchmark]: Toolchain (without parser) took 2059.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 948.3 MB in the beginning and 1.0 GB in the end (delta: -90.5 MB). Peak memory consumption was 86.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:57,849 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:57,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:57,850 INFO L168 Benchmark]: Boogie Preprocessor took 73.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:57,851 INFO L168 Benchmark]: RCFGBuilder took 1131.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 86.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:57,852 INFO L168 Benchmark]: TraceAbstraction took 345.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:57,854 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 504.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1131.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 86.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 345.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 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...