./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/sll-01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/forester-heap/sll-01-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 31de2fb67e84e52bb7705ac8720e6b139fef2d91 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:14:42,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:14:42,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:14:42,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:14:42,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:14:42,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:14:42,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:14:42,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:14:42,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:14:42,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:14:42,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:14:42,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:14:42,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:14:42,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:14:42,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:14:42,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:14:42,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:14:42,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:14:42,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:14:42,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:14:42,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:14:42,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:14:42,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:14:42,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:14:42,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:14:42,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:14:42,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:14:42,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:14:42,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:14:42,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:14:42,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:14:42,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:14:42,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:14:42,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:14:42,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:14:42,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:14:42,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:14:42,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:14:42,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:14:42,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:14:42,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:14:42,508 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 20:14:42,527 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:14:42,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:14:42,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:14:42,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:14:42,529 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:14:42,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:14:42,530 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:14:42,530 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:14:42,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:14:42,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:14:42,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:14:42,531 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:14:42,532 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:14:42,532 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 20:14:42,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:14:42,532 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:14:42,533 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:14:42,533 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:14:42,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:14:42,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:14:42,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:14:42,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:14:42,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:14:42,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:14:42,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:14:42,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:14:42,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 20:14:42,536 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:14:42,536 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 31de2fb67e84e52bb7705ac8720e6b139fef2d91 [2019-11-28 20:14:42,875 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:14:42,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:14:42,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:14:42,893 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:14:42,894 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:14:42,895 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-01-2.i [2019-11-28 20:14:42,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78ba1e059/a49932ad17f449359d8654c56984ef15/FLAG8efe1ab59 [2019-11-28 20:14:43,551 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:14:43,553 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i [2019-11-28 20:14:43,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78ba1e059/a49932ad17f449359d8654c56984ef15/FLAG8efe1ab59 [2019-11-28 20:14:43,946 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78ba1e059/a49932ad17f449359d8654c56984ef15 [2019-11-28 20:14:43,950 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:14:43,952 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:14:43,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:14:43,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:14:43,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:14:43,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:14:43" (1/1) ... [2019-11-28 20:14:43,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21aba202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:14:43, skipping insertion in model container [2019-11-28 20:14:43,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:14:43" (1/1) ... [2019-11-28 20:14:43,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:14:44,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:14:44,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:14:44,423 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:14:44,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:14:44,555 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:14:44,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:14:44 WrapperNode [2019-11-28 20:14:44,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:14:44,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:14:44,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:14:44,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:14:44,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:14:44" (1/1) ... [2019-11-28 20:14:44,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:14:44" (1/1) ... [2019-11-28 20:14:44,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:14:44" (1/1) ... [2019-11-28 20:14:44,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:14:44" (1/1) ... [2019-11-28 20:14:44,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:14:44" (1/1) ... [2019-11-28 20:14:44,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:14:44" (1/1) ... [2019-11-28 20:14:44,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:14:44" (1/1) ... [2019-11-28 20:14:44,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:14:44,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:14:44,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:14:44,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:14:44,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:14:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:14:44,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 20:14:44,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:14:44,717 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 20:14:44,718 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 20:14:44,718 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 20:14:44,718 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 20:14:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 20:14:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 20:14:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 20:14:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 20:14:44,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 20:14:44,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 20:14:44,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 20:14:44,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 20:14:44,721 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 20:14:44,721 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 20:14:44,721 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 20:14:44,721 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 20:14:44,722 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 20:14:44,722 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 20:14:44,723 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 20:14:44,724 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 20:14:44,724 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 20:14:44,724 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 20:14:44,725 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 20:14:44,725 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 20:14:44,727 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 20:14:44,727 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 20:14:44,727 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 20:14:44,728 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 20:14:44,728 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 20:14:44,728 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 20:14:44,728 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 20:14:44,728 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 20:14:44,729 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 20:14:44,729 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 20:14:44,729 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 20:14:44,729 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 20:14:44,730 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 20:14:44,730 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 20:14:44,730 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 20:14:44,730 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 20:14:44,731 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 20:14:44,731 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 20:14:44,731 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 20:14:44,731 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 20:14:44,731 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 20:14:44,732 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 20:14:44,732 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 20:14:44,732 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 20:14:44,732 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 20:14:44,732 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 20:14:44,733 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 20:14:44,733 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 20:14:44,733 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 20:14:44,734 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 20:14:44,734 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 20:14:44,734 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-28 20:14:44,735 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 20:14:44,735 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 20:14:44,735 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 20:14:44,735 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 20:14:44,735 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 20:14:44,736 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 20:14:44,736 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 20:14:44,736 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 20:14:44,736 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 20:14:44,736 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 20:14:44,738 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 20:14:44,738 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 20:14:44,738 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 20:14:44,738 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 20:14:44,739 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 20:14:44,739 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 20:14:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 20:14:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 20:14:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 20:14:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 20:14:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 20:14:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 20:14:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 20:14:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 20:14:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 20:14:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 20:14:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 20:14:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 20:14:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 20:14:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 20:14:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 20:14:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 20:14:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 20:14:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 20:14:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 20:14:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 20:14:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 20:14:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 20:14:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 20:14:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 20:14:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 20:14:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 20:14:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 20:14:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 20:14:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 20:14:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 20:14:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 20:14:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 20:14:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 20:14:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 20:14:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 20:14:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 20:14:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 20:14:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 20:14:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:14:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 20:14:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:14:45,601 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:14:45,601 INFO L287 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-28 20:14:45,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:14:45 BoogieIcfgContainer [2019-11-28 20:14:45,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:14:45,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 20:14:45,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 20:14:45,607 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 20:14:45,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:14:43" (1/3) ... [2019-11-28 20:14:45,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3527bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:14:45, skipping insertion in model container [2019-11-28 20:14:45,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:14:44" (2/3) ... [2019-11-28 20:14:45,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3527bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:14:45, skipping insertion in model container [2019-11-28 20:14:45,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:14:45" (3/3) ... [2019-11-28 20:14:45,611 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-01-2.i [2019-11-28 20:14:45,622 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 20:14:45,630 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 80 error locations. [2019-11-28 20:14:45,643 INFO L249 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2019-11-28 20:14:45,661 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 20:14:45,661 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 20:14:45,661 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 20:14:45,661 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:14:45,662 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:14:45,662 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 20:14:45,662 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:14:45,662 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 20:14:45,686 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2019-11-28 20:14:45,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 20:14:45,695 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:45,696 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:45,697 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:45,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:45,704 INFO L82 PathProgramCache]: Analyzing trace with hash 672062655, now seen corresponding path program 1 times [2019-11-28 20:14:45,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:45,714 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827504983] [2019-11-28 20:14:45,714 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:45,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:45,922 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827504983] [2019-11-28 20:14:45,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:14:45,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:14:45,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730685357] [2019-11-28 20:14:45,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:14:45,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:45,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:14:45,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:14:45,951 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 4 states. [2019-11-28 20:14:46,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:14:46,472 INFO L93 Difference]: Finished difference Result 198 states and 209 transitions. [2019-11-28 20:14:46,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:14:46,475 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 20:14:46,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:14:46,494 INFO L225 Difference]: With dead ends: 198 [2019-11-28 20:14:46,495 INFO L226 Difference]: Without dead ends: 194 [2019-11-28 20:14:46,497 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:14:46,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-11-28 20:14:46,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 189. [2019-11-28 20:14:46,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2019-11-28 20:14:46,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 202 transitions. [2019-11-28 20:14:46,573 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 202 transitions. Word has length 7 [2019-11-28 20:14:46,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:14:46,574 INFO L462 AbstractCegarLoop]: Abstraction has 189 states and 202 transitions. [2019-11-28 20:14:46,574 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:14:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 202 transitions. [2019-11-28 20:14:46,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 20:14:46,575 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:46,575 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:46,576 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:46,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:46,577 INFO L82 PathProgramCache]: Analyzing trace with hash 672062656, now seen corresponding path program 1 times [2019-11-28 20:14:46,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:46,578 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911807753] [2019-11-28 20:14:46,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:46,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:46,678 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911807753] [2019-11-28 20:14:46,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:14:46,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:14:46,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676944259] [2019-11-28 20:14:46,681 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:14:46,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:46,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:14:46,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:14:46,682 INFO L87 Difference]: Start difference. First operand 189 states and 202 transitions. Second operand 4 states. [2019-11-28 20:14:47,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:14:47,064 INFO L93 Difference]: Finished difference Result 219 states and 231 transitions. [2019-11-28 20:14:47,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:14:47,065 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 20:14:47,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:14:47,067 INFO L225 Difference]: With dead ends: 219 [2019-11-28 20:14:47,067 INFO L226 Difference]: Without dead ends: 219 [2019-11-28 20:14:47,068 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:14:47,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2019-11-28 20:14:47,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 199. [2019-11-28 20:14:47,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-11-28 20:14:47,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 223 transitions. [2019-11-28 20:14:47,084 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 223 transitions. Word has length 7 [2019-11-28 20:14:47,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:14:47,084 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 223 transitions. [2019-11-28 20:14:47,085 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:14:47,085 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 223 transitions. [2019-11-28 20:14:47,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 20:14:47,088 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:47,088 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:47,089 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:47,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:47,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1607116447, now seen corresponding path program 1 times [2019-11-28 20:14:47,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:47,091 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133609663] [2019-11-28 20:14:47,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:47,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:47,149 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133609663] [2019-11-28 20:14:47,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:14:47,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 20:14:47,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882407011] [2019-11-28 20:14:47,150 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:14:47,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:47,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:14:47,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:14:47,152 INFO L87 Difference]: Start difference. First operand 199 states and 223 transitions. Second operand 4 states. [2019-11-28 20:14:47,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:14:47,460 INFO L93 Difference]: Finished difference Result 214 states and 226 transitions. [2019-11-28 20:14:47,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:14:47,460 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-28 20:14:47,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:14:47,462 INFO L225 Difference]: With dead ends: 214 [2019-11-28 20:14:47,462 INFO L226 Difference]: Without dead ends: 214 [2019-11-28 20:14:47,463 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:14:47,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-11-28 20:14:47,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 197. [2019-11-28 20:14:47,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-11-28 20:14:47,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 220 transitions. [2019-11-28 20:14:47,476 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 220 transitions. Word has length 9 [2019-11-28 20:14:47,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:14:47,476 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 220 transitions. [2019-11-28 20:14:47,476 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:14:47,476 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 220 transitions. [2019-11-28 20:14:47,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 20:14:47,477 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:47,477 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:47,478 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:47,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:47,478 INFO L82 PathProgramCache]: Analyzing trace with hash 590069371, now seen corresponding path program 1 times [2019-11-28 20:14:47,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:47,479 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815991390] [2019-11-28 20:14:47,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:47,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:47,548 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815991390] [2019-11-28 20:14:47,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:14:47,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:14:47,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809264231] [2019-11-28 20:14:47,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:14:47,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:47,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:14:47,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:14:47,550 INFO L87 Difference]: Start difference. First operand 197 states and 220 transitions. Second operand 6 states. [2019-11-28 20:14:48,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:14:48,331 INFO L93 Difference]: Finished difference Result 342 states and 374 transitions. [2019-11-28 20:14:48,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 20:14:48,332 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-11-28 20:14:48,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:14:48,334 INFO L225 Difference]: With dead ends: 342 [2019-11-28 20:14:48,335 INFO L226 Difference]: Without dead ends: 342 [2019-11-28 20:14:48,335 INFO L630 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 [2019-11-28 20:14:48,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2019-11-28 20:14:48,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 196. [2019-11-28 20:14:48,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2019-11-28 20:14:48,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 219 transitions. [2019-11-28 20:14:48,348 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 219 transitions. Word has length 14 [2019-11-28 20:14:48,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:14:48,348 INFO L462 AbstractCegarLoop]: Abstraction has 196 states and 219 transitions. [2019-11-28 20:14:48,348 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:14:48,349 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 219 transitions. [2019-11-28 20:14:48,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 20:14:48,349 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:48,349 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:48,350 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:48,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:48,350 INFO L82 PathProgramCache]: Analyzing trace with hash 590069372, now seen corresponding path program 1 times [2019-11-28 20:14:48,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:48,351 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378686990] [2019-11-28 20:14:48,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:48,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:48,450 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378686990] [2019-11-28 20:14:48,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:14:48,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:14:48,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536886529] [2019-11-28 20:14:48,451 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:14:48,451 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:48,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:14:48,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:14:48,452 INFO L87 Difference]: Start difference. First operand 196 states and 219 transitions. Second operand 6 states. [2019-11-28 20:14:49,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:14:49,263 INFO L93 Difference]: Finished difference Result 369 states and 414 transitions. [2019-11-28 20:14:49,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 20:14:49,263 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-11-28 20:14:49,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:14:49,266 INFO L225 Difference]: With dead ends: 369 [2019-11-28 20:14:49,266 INFO L226 Difference]: Without dead ends: 369 [2019-11-28 20:14:49,266 INFO L630 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 [2019-11-28 20:14:49,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-11-28 20:14:49,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 195. [2019-11-28 20:14:49,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2019-11-28 20:14:49,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 218 transitions. [2019-11-28 20:14:49,278 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 218 transitions. Word has length 14 [2019-11-28 20:14:49,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:14:49,279 INFO L462 AbstractCegarLoop]: Abstraction has 195 states and 218 transitions. [2019-11-28 20:14:49,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:14:49,279 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 218 transitions. [2019-11-28 20:14:49,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 20:14:49,280 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:49,280 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:49,281 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:49,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:49,281 INFO L82 PathProgramCache]: Analyzing trace with hash -544499115, now seen corresponding path program 1 times [2019-11-28 20:14:49,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:49,282 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159674785] [2019-11-28 20:14:49,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:49,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:49,451 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159674785] [2019-11-28 20:14:49,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:14:49,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 20:14:49,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405478263] [2019-11-28 20:14:49,452 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 20:14:49,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:49,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 20:14:49,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:14:49,453 INFO L87 Difference]: Start difference. First operand 195 states and 218 transitions. Second operand 9 states. [2019-11-28 20:14:50,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:14:50,876 INFO L93 Difference]: Finished difference Result 343 states and 374 transitions. [2019-11-28 20:14:50,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 20:14:50,876 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2019-11-28 20:14:50,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:14:50,880 INFO L225 Difference]: With dead ends: 343 [2019-11-28 20:14:50,880 INFO L226 Difference]: Without dead ends: 343 [2019-11-28 20:14:50,880 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-11-28 20:14:50,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-11-28 20:14:50,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 194. [2019-11-28 20:14:50,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-28 20:14:50,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 217 transitions. [2019-11-28 20:14:50,890 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 217 transitions. Word has length 17 [2019-11-28 20:14:50,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:14:50,890 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 217 transitions. [2019-11-28 20:14:50,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 20:14:50,891 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 217 transitions. [2019-11-28 20:14:50,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 20:14:50,891 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:50,892 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:50,892 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:50,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:50,893 INFO L82 PathProgramCache]: Analyzing trace with hash -544499116, now seen corresponding path program 1 times [2019-11-28 20:14:50,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:50,893 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004300740] [2019-11-28 20:14:50,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:51,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:51,011 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004300740] [2019-11-28 20:14:51,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:14:51,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 20:14:51,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104247828] [2019-11-28 20:14:51,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 20:14:51,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:51,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 20:14:51,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:14:51,014 INFO L87 Difference]: Start difference. First operand 194 states and 217 transitions. Second operand 9 states. [2019-11-28 20:14:52,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:14:52,156 INFO L93 Difference]: Finished difference Result 340 states and 371 transitions. [2019-11-28 20:14:52,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 20:14:52,157 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2019-11-28 20:14:52,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:14:52,159 INFO L225 Difference]: With dead ends: 340 [2019-11-28 20:14:52,159 INFO L226 Difference]: Without dead ends: 340 [2019-11-28 20:14:52,160 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-11-28 20:14:52,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2019-11-28 20:14:52,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 193. [2019-11-28 20:14:52,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-11-28 20:14:52,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 216 transitions. [2019-11-28 20:14:52,173 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 216 transitions. Word has length 17 [2019-11-28 20:14:52,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:14:52,173 INFO L462 AbstractCegarLoop]: Abstraction has 193 states and 216 transitions. [2019-11-28 20:14:52,174 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 20:14:52,174 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 216 transitions. [2019-11-28 20:14:52,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 20:14:52,175 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:52,175 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:52,176 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:52,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:52,177 INFO L82 PathProgramCache]: Analyzing trace with hash -813972510, now seen corresponding path program 1 times [2019-11-28 20:14:52,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:52,177 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183622122] [2019-11-28 20:14:52,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:52,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:52,248 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183622122] [2019-11-28 20:14:52,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:14:52,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 20:14:52,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318018247] [2019-11-28 20:14:52,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:14:52,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:52,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:14:52,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:14:52,250 INFO L87 Difference]: Start difference. First operand 193 states and 216 transitions. Second operand 4 states. [2019-11-28 20:14:52,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:14:52,502 INFO L93 Difference]: Finished difference Result 194 states and 217 transitions. [2019-11-28 20:14:52,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:14:52,502 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-11-28 20:14:52,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:14:52,504 INFO L225 Difference]: With dead ends: 194 [2019-11-28 20:14:52,505 INFO L226 Difference]: Without dead ends: 194 [2019-11-28 20:14:52,505 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:14:52,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-11-28 20:14:52,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2019-11-28 20:14:52,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-28 20:14:52,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 217 transitions. [2019-11-28 20:14:52,511 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 217 transitions. Word has length 17 [2019-11-28 20:14:52,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:14:52,511 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 217 transitions. [2019-11-28 20:14:52,511 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:14:52,511 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 217 transitions. [2019-11-28 20:14:52,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 20:14:52,512 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:52,513 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:52,513 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:52,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:52,513 INFO L82 PathProgramCache]: Analyzing trace with hash -541898329, now seen corresponding path program 1 times [2019-11-28 20:14:52,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:52,514 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273384021] [2019-11-28 20:14:52,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:52,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273384021] [2019-11-28 20:14:52,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:14:52,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 20:14:52,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896019975] [2019-11-28 20:14:52,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 20:14:52,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:52,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 20:14:52,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-28 20:14:52,619 INFO L87 Difference]: Start difference. First operand 194 states and 217 transitions. Second operand 8 states. [2019-11-28 20:14:53,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:14:53,138 INFO L93 Difference]: Finished difference Result 286 states and 316 transitions. [2019-11-28 20:14:53,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 20:14:53,139 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2019-11-28 20:14:53,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:14:53,141 INFO L225 Difference]: With dead ends: 286 [2019-11-28 20:14:53,141 INFO L226 Difference]: Without dead ends: 286 [2019-11-28 20:14:53,142 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-11-28 20:14:53,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-11-28 20:14:53,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 191. [2019-11-28 20:14:53,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-11-28 20:14:53,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 214 transitions. [2019-11-28 20:14:53,148 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 214 transitions. Word has length 19 [2019-11-28 20:14:53,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:14:53,149 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 214 transitions. [2019-11-28 20:14:53,149 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 20:14:53,149 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 214 transitions. [2019-11-28 20:14:53,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-28 20:14:53,150 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:53,150 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:53,151 INFO L410 AbstractCegarLoop]: === Iteration 10 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:53,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:53,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1773118060, now seen corresponding path program 1 times [2019-11-28 20:14:53,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:53,152 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400752367] [2019-11-28 20:14:53,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:53,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:53,210 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400752367] [2019-11-28 20:14:53,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:14:53,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 20:14:53,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92479708] [2019-11-28 20:14:53,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:14:53,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:53,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:14:53,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:14:53,211 INFO L87 Difference]: Start difference. First operand 191 states and 214 transitions. Second operand 6 states. [2019-11-28 20:14:53,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:14:53,628 INFO L93 Difference]: Finished difference Result 287 states and 316 transitions. [2019-11-28 20:14:53,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 20:14:53,628 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2019-11-28 20:14:53,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:14:53,631 INFO L225 Difference]: With dead ends: 287 [2019-11-28 20:14:53,631 INFO L226 Difference]: Without dead ends: 287 [2019-11-28 20:14:53,632 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 20:14:53,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2019-11-28 20:14:53,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 194. [2019-11-28 20:14:53,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-28 20:14:53,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 217 transitions. [2019-11-28 20:14:53,638 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 217 transitions. Word has length 21 [2019-11-28 20:14:53,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:14:53,638 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 217 transitions. [2019-11-28 20:14:53,638 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:14:53,638 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 217 transitions. [2019-11-28 20:14:53,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 20:14:53,639 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:53,639 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:53,640 INFO L410 AbstractCegarLoop]: === Iteration 11 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:53,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:53,640 INFO L82 PathProgramCache]: Analyzing trace with hash -478888527, now seen corresponding path program 1 times [2019-11-28 20:14:53,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:53,640 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139752745] [2019-11-28 20:14:53,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:53,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:53,703 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139752745] [2019-11-28 20:14:53,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:14:53,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 20:14:53,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819566451] [2019-11-28 20:14:53,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 20:14:53,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:53,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:14:53,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:14:53,706 INFO L87 Difference]: Start difference. First operand 194 states and 217 transitions. Second operand 5 states. [2019-11-28 20:14:54,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:14:54,126 INFO L93 Difference]: Finished difference Result 190 states and 211 transitions. [2019-11-28 20:14:54,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:14:54,126 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-28 20:14:54,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:14:54,128 INFO L225 Difference]: With dead ends: 190 [2019-11-28 20:14:54,129 INFO L226 Difference]: Without dead ends: 190 [2019-11-28 20:14:54,129 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:14:54,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2019-11-28 20:14:54,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 185. [2019-11-28 20:14:54,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-11-28 20:14:54,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 208 transitions. [2019-11-28 20:14:54,135 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 208 transitions. Word has length 23 [2019-11-28 20:14:54,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:14:54,135 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 208 transitions. [2019-11-28 20:14:54,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 20:14:54,136 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 208 transitions. [2019-11-28 20:14:54,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 20:14:54,141 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:54,142 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:54,142 INFO L410 AbstractCegarLoop]: === Iteration 12 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:54,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:54,143 INFO L82 PathProgramCache]: Analyzing trace with hash -478888526, now seen corresponding path program 1 times [2019-11-28 20:14:54,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:54,144 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509586847] [2019-11-28 20:14:54,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:54,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:54,272 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509586847] [2019-11-28 20:14:54,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:14:54,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 20:14:54,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623034160] [2019-11-28 20:14:54,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 20:14:54,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:54,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 20:14:54,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-28 20:14:54,274 INFO L87 Difference]: Start difference. First operand 185 states and 208 transitions. Second operand 7 states. [2019-11-28 20:14:54,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:14:54,796 INFO L93 Difference]: Finished difference Result 245 states and 262 transitions. [2019-11-28 20:14:54,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 20:14:54,796 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2019-11-28 20:14:54,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:14:54,798 INFO L225 Difference]: With dead ends: 245 [2019-11-28 20:14:54,798 INFO L226 Difference]: Without dead ends: 245 [2019-11-28 20:14:54,798 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 20:14:54,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2019-11-28 20:14:54,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 208. [2019-11-28 20:14:54,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2019-11-28 20:14:54,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 246 transitions. [2019-11-28 20:14:54,806 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 246 transitions. Word has length 23 [2019-11-28 20:14:54,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:14:54,806 INFO L462 AbstractCegarLoop]: Abstraction has 208 states and 246 transitions. [2019-11-28 20:14:54,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 20:14:54,807 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 246 transitions. [2019-11-28 20:14:54,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 20:14:54,808 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:54,808 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:54,808 INFO L410 AbstractCegarLoop]: === Iteration 13 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:54,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:54,809 INFO L82 PathProgramCache]: Analyzing trace with hash -650325891, now seen corresponding path program 1 times [2019-11-28 20:14:54,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:54,810 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885242518] [2019-11-28 20:14:54,810 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:54,859 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885242518] [2019-11-28 20:14:54,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:14:54,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:14:54,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484217949] [2019-11-28 20:14:54,861 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 20:14:54,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:54,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:14:54,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:14:54,862 INFO L87 Difference]: Start difference. First operand 208 states and 246 transitions. Second operand 5 states. [2019-11-28 20:14:55,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:14:55,183 INFO L93 Difference]: Finished difference Result 240 states and 256 transitions. [2019-11-28 20:14:55,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:14:55,184 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-28 20:14:55,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:14:55,185 INFO L225 Difference]: With dead ends: 240 [2019-11-28 20:14:55,185 INFO L226 Difference]: Without dead ends: 240 [2019-11-28 20:14:55,186 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:14:55,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2019-11-28 20:14:55,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 206. [2019-11-28 20:14:55,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2019-11-28 20:14:55,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 243 transitions. [2019-11-28 20:14:55,192 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 243 transitions. Word has length 25 [2019-11-28 20:14:55,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:14:55,192 INFO L462 AbstractCegarLoop]: Abstraction has 206 states and 243 transitions. [2019-11-28 20:14:55,192 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 20:14:55,192 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 243 transitions. [2019-11-28 20:14:55,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 20:14:55,193 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:55,194 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:55,194 INFO L410 AbstractCegarLoop]: === Iteration 14 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:55,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:55,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1313315090, now seen corresponding path program 1 times [2019-11-28 20:14:55,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:55,195 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390886211] [2019-11-28 20:14:55,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:55,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:55,251 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390886211] [2019-11-28 20:14:55,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:14:55,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 20:14:55,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019154507] [2019-11-28 20:14:55,252 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 20:14:55,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:55,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 20:14:55,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 20:14:55,254 INFO L87 Difference]: Start difference. First operand 206 states and 243 transitions. Second operand 7 states. [2019-11-28 20:14:55,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:14:55,784 INFO L93 Difference]: Finished difference Result 302 states and 359 transitions. [2019-11-28 20:14:55,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 20:14:55,784 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2019-11-28 20:14:55,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:14:55,786 INFO L225 Difference]: With dead ends: 302 [2019-11-28 20:14:55,786 INFO L226 Difference]: Without dead ends: 302 [2019-11-28 20:14:55,787 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-11-28 20:14:55,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2019-11-28 20:14:55,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 205. [2019-11-28 20:14:55,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2019-11-28 20:14:55,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 242 transitions. [2019-11-28 20:14:55,791 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 242 transitions. Word has length 26 [2019-11-28 20:14:55,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:14:55,792 INFO L462 AbstractCegarLoop]: Abstraction has 205 states and 242 transitions. [2019-11-28 20:14:55,792 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 20:14:55,792 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 242 transitions. [2019-11-28 20:14:55,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 20:14:55,793 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:55,793 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:55,793 INFO L410 AbstractCegarLoop]: === Iteration 15 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:55,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:55,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1313315091, now seen corresponding path program 1 times [2019-11-28 20:14:55,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:55,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526522096] [2019-11-28 20:14:55,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:55,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:55,871 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526522096] [2019-11-28 20:14:55,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:14:55,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 20:14:55,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276544902] [2019-11-28 20:14:55,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 20:14:55,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:55,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 20:14:55,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 20:14:55,874 INFO L87 Difference]: Start difference. First operand 205 states and 242 transitions. Second operand 7 states. [2019-11-28 20:14:56,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:14:56,528 INFO L93 Difference]: Finished difference Result 322 states and 390 transitions. [2019-11-28 20:14:56,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 20:14:56,529 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2019-11-28 20:14:56,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:14:56,531 INFO L225 Difference]: With dead ends: 322 [2019-11-28 20:14:56,531 INFO L226 Difference]: Without dead ends: 322 [2019-11-28 20:14:56,531 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-11-28 20:14:56,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2019-11-28 20:14:56,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 192. [2019-11-28 20:14:56,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-11-28 20:14:56,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 228 transitions. [2019-11-28 20:14:56,538 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 228 transitions. Word has length 26 [2019-11-28 20:14:56,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:14:56,539 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 228 transitions. [2019-11-28 20:14:56,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 20:14:56,539 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 228 transitions. [2019-11-28 20:14:56,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 20:14:56,540 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:56,540 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:56,540 INFO L410 AbstractCegarLoop]: === Iteration 16 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:56,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:56,541 INFO L82 PathProgramCache]: Analyzing trace with hash -624581038, now seen corresponding path program 1 times [2019-11-28 20:14:56,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:56,542 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069478271] [2019-11-28 20:14:56,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:56,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:56,593 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069478271] [2019-11-28 20:14:56,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:14:56,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 20:14:56,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417720857] [2019-11-28 20:14:56,594 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 20:14:56,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:56,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 20:14:56,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 20:14:56,595 INFO L87 Difference]: Start difference. First operand 192 states and 228 transitions. Second operand 7 states. [2019-11-28 20:14:57,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:14:57,068 INFO L93 Difference]: Finished difference Result 318 states and 386 transitions. [2019-11-28 20:14:57,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 20:14:57,068 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2019-11-28 20:14:57,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:14:57,070 INFO L225 Difference]: With dead ends: 318 [2019-11-28 20:14:57,071 INFO L226 Difference]: Without dead ends: 318 [2019-11-28 20:14:57,071 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-11-28 20:14:57,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2019-11-28 20:14:57,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 188. [2019-11-28 20:14:57,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-11-28 20:14:57,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 224 transitions. [2019-11-28 20:14:57,080 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 224 transitions. Word has length 28 [2019-11-28 20:14:57,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:14:57,081 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 224 transitions. [2019-11-28 20:14:57,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 20:14:57,081 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 224 transitions. [2019-11-28 20:14:57,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-28 20:14:57,084 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:57,084 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:57,084 INFO L410 AbstractCegarLoop]: === Iteration 17 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:57,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:57,085 INFO L82 PathProgramCache]: Analyzing trace with hash 2137713641, now seen corresponding path program 1 times [2019-11-28 20:14:57,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:57,086 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377772128] [2019-11-28 20:14:57,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:57,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:57,137 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377772128] [2019-11-28 20:14:57,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:14:57,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 20:14:57,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162871486] [2019-11-28 20:14:57,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:14:57,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:57,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:14:57,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:14:57,139 INFO L87 Difference]: Start difference. First operand 188 states and 224 transitions. Second operand 4 states. [2019-11-28 20:14:57,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:14:57,360 INFO L93 Difference]: Finished difference Result 261 states and 312 transitions. [2019-11-28 20:14:57,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:14:57,361 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-28 20:14:57,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:14:57,363 INFO L225 Difference]: With dead ends: 261 [2019-11-28 20:14:57,363 INFO L226 Difference]: Without dead ends: 261 [2019-11-28 20:14:57,363 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:14:57,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2019-11-28 20:14:57,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 194. [2019-11-28 20:14:57,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-28 20:14:57,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 232 transitions. [2019-11-28 20:14:57,370 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 232 transitions. Word has length 31 [2019-11-28 20:14:57,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:14:57,373 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 232 transitions. [2019-11-28 20:14:57,373 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:14:57,373 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 232 transitions. [2019-11-28 20:14:57,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 20:14:57,374 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:57,374 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:57,375 INFO L410 AbstractCegarLoop]: === Iteration 18 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:57,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:57,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1844592136, now seen corresponding path program 1 times [2019-11-28 20:14:57,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:57,377 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550018351] [2019-11-28 20:14:57,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:57,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:57,433 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550018351] [2019-11-28 20:14:57,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:14:57,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 20:14:57,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395398759] [2019-11-28 20:14:57,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:14:57,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:57,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:14:57,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:14:57,438 INFO L87 Difference]: Start difference. First operand 194 states and 232 transitions. Second operand 4 states. [2019-11-28 20:14:57,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:14:57,611 INFO L93 Difference]: Finished difference Result 192 states and 229 transitions. [2019-11-28 20:14:57,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:14:57,612 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-11-28 20:14:57,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:14:57,613 INFO L225 Difference]: With dead ends: 192 [2019-11-28 20:14:57,613 INFO L226 Difference]: Without dead ends: 192 [2019-11-28 20:14:57,614 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:14:57,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-11-28 20:14:57,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2019-11-28 20:14:57,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-11-28 20:14:57,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 229 transitions. [2019-11-28 20:14:57,618 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 229 transitions. Word has length 32 [2019-11-28 20:14:57,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:14:57,618 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 229 transitions. [2019-11-28 20:14:57,618 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:14:57,618 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 229 transitions. [2019-11-28 20:14:57,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 20:14:57,619 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:57,619 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:57,620 INFO L410 AbstractCegarLoop]: === Iteration 19 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:57,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:57,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1347785694, now seen corresponding path program 1 times [2019-11-28 20:14:57,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:57,621 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142229928] [2019-11-28 20:14:57,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:57,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:57,718 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142229928] [2019-11-28 20:14:57,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:14:57,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-28 20:14:57,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3818853] [2019-11-28 20:14:57,719 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 20:14:57,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:57,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 20:14:57,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:14:57,720 INFO L87 Difference]: Start difference. First operand 192 states and 229 transitions. Second operand 9 states. [2019-11-28 20:14:58,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:14:58,353 INFO L93 Difference]: Finished difference Result 300 states and 346 transitions. [2019-11-28 20:14:58,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 20:14:58,354 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2019-11-28 20:14:58,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:14:58,356 INFO L225 Difference]: With dead ends: 300 [2019-11-28 20:14:58,356 INFO L226 Difference]: Without dead ends: 300 [2019-11-28 20:14:58,356 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2019-11-28 20:14:58,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2019-11-28 20:14:58,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 204. [2019-11-28 20:14:58,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-11-28 20:14:58,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 242 transitions. [2019-11-28 20:14:58,363 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 242 transitions. Word has length 33 [2019-11-28 20:14:58,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:14:58,363 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 242 transitions. [2019-11-28 20:14:58,363 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 20:14:58,363 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 242 transitions. [2019-11-28 20:14:58,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 20:14:58,364 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:58,365 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:58,366 INFO L410 AbstractCegarLoop]: === Iteration 20 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:58,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:58,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1096505391, now seen corresponding path program 1 times [2019-11-28 20:14:58,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:58,368 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283942286] [2019-11-28 20:14:58,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:58,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:58,474 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283942286] [2019-11-28 20:14:58,474 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251510219] [2019-11-28 20:14:58,475 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 20:14:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:58,587 INFO L264 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-28 20:14:58,598 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:14:58,711 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-28 20:14:58,711 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:14:58,722 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:14:58,727 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-28 20:14:58,727 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 20:14:58,736 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:14:58,737 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:14:58,737 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2019-11-28 20:14:58,779 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:14:58,782 INFO L377 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 21 treesize of output 20 [2019-11-28 20:14:58,784 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:14:58,798 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:14:58,802 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:14:58,805 INFO L377 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 21 treesize of output 20 [2019-11-28 20:14:58,806 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 20:14:58,817 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:14:58,817 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:14:58,818 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:39 [2019-11-28 20:14:58,894 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:14:58,896 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2019-11-28 20:14:58,896 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:14:58,907 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:14:58,911 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:14:58,913 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:14:58,913 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 10 [2019-11-28 20:14:58,914 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 20:14:58,920 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:14:58,922 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:14:58,922 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:53, output treesize:7 [2019-11-28 20:14:58,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:58,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 20:14:58,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 11 [2019-11-28 20:14:58,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705697766] [2019-11-28 20:14:58,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 20:14:58,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:58,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 20:14:58,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-11-28 20:14:58,932 INFO L87 Difference]: Start difference. First operand 204 states and 242 transitions. Second operand 11 states. [2019-11-28 20:14:59,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:14:59,716 INFO L93 Difference]: Finished difference Result 350 states and 387 transitions. [2019-11-28 20:14:59,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-28 20:14:59,717 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 35 [2019-11-28 20:14:59,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:14:59,719 INFO L225 Difference]: With dead ends: 350 [2019-11-28 20:14:59,720 INFO L226 Difference]: Without dead ends: 350 [2019-11-28 20:14:59,720 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2019-11-28 20:14:59,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-11-28 20:14:59,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 235. [2019-11-28 20:14:59,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2019-11-28 20:14:59,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 289 transitions. [2019-11-28 20:14:59,728 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 289 transitions. Word has length 35 [2019-11-28 20:14:59,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:14:59,729 INFO L462 AbstractCegarLoop]: Abstraction has 235 states and 289 transitions. [2019-11-28 20:14:59,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 20:14:59,729 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 289 transitions. [2019-11-28 20:14:59,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 20:14:59,730 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:14:59,730 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:14:59,935 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 20:14:59,936 INFO L410 AbstractCegarLoop]: === Iteration 21 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:14:59,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:14:59,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1910741558, now seen corresponding path program 1 times [2019-11-28 20:14:59,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:14:59,938 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141234600] [2019-11-28 20:14:59,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:14:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:14:59,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:14:59,989 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141234600] [2019-11-28 20:14:59,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:14:59,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:14:59,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450916562] [2019-11-28 20:14:59,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:14:59,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:14:59,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:14:59,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:14:59,991 INFO L87 Difference]: Start difference. First operand 235 states and 289 transitions. Second operand 6 states. [2019-11-28 20:15:00,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:15:00,450 INFO L93 Difference]: Finished difference Result 357 states and 435 transitions. [2019-11-28 20:15:00,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 20:15:00,451 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-28 20:15:00,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:15:00,452 INFO L225 Difference]: With dead ends: 357 [2019-11-28 20:15:00,452 INFO L226 Difference]: Without dead ends: 357 [2019-11-28 20:15:00,453 INFO L630 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 [2019-11-28 20:15:00,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2019-11-28 20:15:00,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 234. [2019-11-28 20:15:00,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-11-28 20:15:00,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 288 transitions. [2019-11-28 20:15:00,460 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 288 transitions. Word has length 35 [2019-11-28 20:15:00,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:15:00,460 INFO L462 AbstractCegarLoop]: Abstraction has 234 states and 288 transitions. [2019-11-28 20:15:00,460 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:15:00,460 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 288 transitions. [2019-11-28 20:15:00,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 20:15:00,461 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:15:00,461 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:15:00,461 INFO L410 AbstractCegarLoop]: === Iteration 22 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:15:00,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:15:00,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1910741559, now seen corresponding path program 1 times [2019-11-28 20:15:00,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:15:00,462 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286157072] [2019-11-28 20:15:00,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:15:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:00,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:15:00,545 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286157072] [2019-11-28 20:15:00,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:15:00,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:15:00,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457615839] [2019-11-28 20:15:00,547 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:15:00,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:15:00,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:15:00,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:15:00,547 INFO L87 Difference]: Start difference. First operand 234 states and 288 transitions. Second operand 6 states. [2019-11-28 20:15:01,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:15:01,139 INFO L93 Difference]: Finished difference Result 384 states and 473 transitions. [2019-11-28 20:15:01,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 20:15:01,143 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-28 20:15:01,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:15:01,146 INFO L225 Difference]: With dead ends: 384 [2019-11-28 20:15:01,146 INFO L226 Difference]: Without dead ends: 384 [2019-11-28 20:15:01,147 INFO L630 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 [2019-11-28 20:15:01,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2019-11-28 20:15:01,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 233. [2019-11-28 20:15:01,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2019-11-28 20:15:01,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 287 transitions. [2019-11-28 20:15:01,157 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 287 transitions. Word has length 35 [2019-11-28 20:15:01,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:15:01,157 INFO L462 AbstractCegarLoop]: Abstraction has 233 states and 287 transitions. [2019-11-28 20:15:01,157 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:15:01,158 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 287 transitions. [2019-11-28 20:15:01,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 20:15:01,158 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:15:01,159 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:15:01,159 INFO L410 AbstractCegarLoop]: === Iteration 23 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:15:01,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:15:01,160 INFO L82 PathProgramCache]: Analyzing trace with hash -614093230, now seen corresponding path program 1 times [2019-11-28 20:15:01,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:15:01,160 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001676004] [2019-11-28 20:15:01,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:15:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:01,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:15:01,360 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001676004] [2019-11-28 20:15:01,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:15:01,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-28 20:15:01,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436084131] [2019-11-28 20:15:01,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 20:15:01,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:15:01,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 20:15:01,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-11-28 20:15:01,362 INFO L87 Difference]: Start difference. First operand 233 states and 287 transitions. Second operand 12 states. [2019-11-28 20:15:02,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:15:02,419 INFO L93 Difference]: Finished difference Result 468 states and 533 transitions. [2019-11-28 20:15:02,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-28 20:15:02,421 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2019-11-28 20:15:02,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:15:02,425 INFO L225 Difference]: With dead ends: 468 [2019-11-28 20:15:02,425 INFO L226 Difference]: Without dead ends: 468 [2019-11-28 20:15:02,425 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=387, Unknown=0, NotChecked=0, Total=506 [2019-11-28 20:15:02,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2019-11-28 20:15:02,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 234. [2019-11-28 20:15:02,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-11-28 20:15:02,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 285 transitions. [2019-11-28 20:15:02,433 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 285 transitions. Word has length 37 [2019-11-28 20:15:02,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:15:02,433 INFO L462 AbstractCegarLoop]: Abstraction has 234 states and 285 transitions. [2019-11-28 20:15:02,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 20:15:02,433 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 285 transitions. [2019-11-28 20:15:02,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 20:15:02,434 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:15:02,434 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:15:02,434 INFO L410 AbstractCegarLoop]: === Iteration 24 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:15:02,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:15:02,434 INFO L82 PathProgramCache]: Analyzing trace with hash -614093229, now seen corresponding path program 1 times [2019-11-28 20:15:02,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:15:02,435 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302104101] [2019-11-28 20:15:02,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:15:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:02,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:15:02,632 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302104101] [2019-11-28 20:15:02,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:15:02,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-28 20:15:02,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227272396] [2019-11-28 20:15:02,633 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-28 20:15:02,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:15:02,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-28 20:15:02,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-11-28 20:15:02,634 INFO L87 Difference]: Start difference. First operand 234 states and 285 transitions. Second operand 13 states. [2019-11-28 20:15:04,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:15:04,302 INFO L93 Difference]: Finished difference Result 526 states and 592 transitions. [2019-11-28 20:15:04,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-28 20:15:04,302 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2019-11-28 20:15:04,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:15:04,305 INFO L225 Difference]: With dead ends: 526 [2019-11-28 20:15:04,305 INFO L226 Difference]: Without dead ends: 526 [2019-11-28 20:15:04,306 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650 [2019-11-28 20:15:04,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2019-11-28 20:15:04,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 240. [2019-11-28 20:15:04,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2019-11-28 20:15:04,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 292 transitions. [2019-11-28 20:15:04,313 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 292 transitions. Word has length 37 [2019-11-28 20:15:04,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:15:04,313 INFO L462 AbstractCegarLoop]: Abstraction has 240 states and 292 transitions. [2019-11-28 20:15:04,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-28 20:15:04,314 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 292 transitions. [2019-11-28 20:15:04,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 20:15:04,314 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:15:04,314 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:15:04,315 INFO L410 AbstractCegarLoop]: === Iteration 25 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:15:04,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:15:04,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1700305643, now seen corresponding path program 1 times [2019-11-28 20:15:04,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:15:04,315 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916416694] [2019-11-28 20:15:04,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:15:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:04,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:15:04,417 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916416694] [2019-11-28 20:15:04,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:15:04,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 20:15:04,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228984189] [2019-11-28 20:15:04,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 20:15:04,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:15:04,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 20:15:04,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:15:04,419 INFO L87 Difference]: Start difference. First operand 240 states and 292 transitions. Second operand 9 states. [2019-11-28 20:15:04,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:15:04,953 INFO L93 Difference]: Finished difference Result 255 states and 309 transitions. [2019-11-28 20:15:04,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 20:15:04,953 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38 [2019-11-28 20:15:04,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:15:04,955 INFO L225 Difference]: With dead ends: 255 [2019-11-28 20:15:04,955 INFO L226 Difference]: Without dead ends: 255 [2019-11-28 20:15:04,956 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-11-28 20:15:04,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2019-11-28 20:15:04,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 239. [2019-11-28 20:15:04,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2019-11-28 20:15:04,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 291 transitions. [2019-11-28 20:15:04,963 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 291 transitions. Word has length 38 [2019-11-28 20:15:04,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:15:04,963 INFO L462 AbstractCegarLoop]: Abstraction has 239 states and 291 transitions. [2019-11-28 20:15:04,964 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 20:15:04,964 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 291 transitions. [2019-11-28 20:15:04,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 20:15:04,965 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:15:04,965 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:15:04,965 INFO L410 AbstractCegarLoop]: === Iteration 26 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:15:04,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:15:04,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1700305644, now seen corresponding path program 1 times [2019-11-28 20:15:04,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:15:04,966 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258530135] [2019-11-28 20:15:04,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:15:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:05,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:15:05,081 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258530135] [2019-11-28 20:15:05,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:15:05,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 20:15:05,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320316952] [2019-11-28 20:15:05,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 20:15:05,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:15:05,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 20:15:05,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:15:05,085 INFO L87 Difference]: Start difference. First operand 239 states and 291 transitions. Second operand 9 states. [2019-11-28 20:15:05,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:15:05,777 INFO L93 Difference]: Finished difference Result 254 states and 308 transitions. [2019-11-28 20:15:05,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 20:15:05,778 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38 [2019-11-28 20:15:05,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:15:05,780 INFO L225 Difference]: With dead ends: 254 [2019-11-28 20:15:05,780 INFO L226 Difference]: Without dead ends: 254 [2019-11-28 20:15:05,780 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-11-28 20:15:05,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-11-28 20:15:05,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 238. [2019-11-28 20:15:05,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2019-11-28 20:15:05,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 290 transitions. [2019-11-28 20:15:05,785 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 290 transitions. Word has length 38 [2019-11-28 20:15:05,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:15:05,786 INFO L462 AbstractCegarLoop]: Abstraction has 238 states and 290 transitions. [2019-11-28 20:15:05,786 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 20:15:05,786 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 290 transitions. [2019-11-28 20:15:05,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 20:15:05,786 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:15:05,786 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:15:05,787 INFO L410 AbstractCegarLoop]: === Iteration 27 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:15:05,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:15:05,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1430832249, now seen corresponding path program 1 times [2019-11-28 20:15:05,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:15:05,788 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510643071] [2019-11-28 20:15:05,788 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:15:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:05,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:15:05,830 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510643071] [2019-11-28 20:15:05,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:15:05,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 20:15:05,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794600668] [2019-11-28 20:15:05,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:15:05,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:15:05,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:15:05,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:15:05,832 INFO L87 Difference]: Start difference. First operand 238 states and 290 transitions. Second operand 4 states. [2019-11-28 20:15:06,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:15:06,022 INFO L93 Difference]: Finished difference Result 239 states and 291 transitions. [2019-11-28 20:15:06,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:15:06,023 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2019-11-28 20:15:06,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:15:06,024 INFO L225 Difference]: With dead ends: 239 [2019-11-28 20:15:06,025 INFO L226 Difference]: Without dead ends: 239 [2019-11-28 20:15:06,025 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:15:06,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2019-11-28 20:15:06,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2019-11-28 20:15:06,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2019-11-28 20:15:06,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 291 transitions. [2019-11-28 20:15:06,031 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 291 transitions. Word has length 38 [2019-11-28 20:15:06,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:15:06,032 INFO L462 AbstractCegarLoop]: Abstraction has 239 states and 291 transitions. [2019-11-28 20:15:06,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:15:06,032 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 291 transitions. [2019-11-28 20:15:06,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-28 20:15:06,033 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:15:06,033 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:15:06,033 INFO L410 AbstractCegarLoop]: === Iteration 28 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:15:06,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:15:06,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1733066830, now seen corresponding path program 1 times [2019-11-28 20:15:06,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:15:06,034 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42517810] [2019-11-28 20:15:06,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:15:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:15:06,441 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42517810] [2019-11-28 20:15:06,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:15:06,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-11-28 20:15:06,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602586525] [2019-11-28 20:15:06,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-28 20:15:06,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:15:06,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-28 20:15:06,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-11-28 20:15:06,442 INFO L87 Difference]: Start difference. First operand 239 states and 291 transitions. Second operand 15 states. [2019-11-28 20:15:07,429 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-11-28 20:15:07,903 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-11-28 20:15:08,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:15:08,800 INFO L93 Difference]: Finished difference Result 533 states and 592 transitions. [2019-11-28 20:15:08,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-28 20:15:08,801 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 39 [2019-11-28 20:15:08,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:15:08,804 INFO L225 Difference]: With dead ends: 533 [2019-11-28 20:15:08,804 INFO L226 Difference]: Without dead ends: 533 [2019-11-28 20:15:08,805 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=197, Invalid=673, Unknown=0, NotChecked=0, Total=870 [2019-11-28 20:15:08,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2019-11-28 20:15:08,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 239. [2019-11-28 20:15:08,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2019-11-28 20:15:08,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 290 transitions. [2019-11-28 20:15:08,811 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 290 transitions. Word has length 39 [2019-11-28 20:15:08,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:15:08,812 INFO L462 AbstractCegarLoop]: Abstraction has 239 states and 290 transitions. [2019-11-28 20:15:08,812 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-28 20:15:08,812 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 290 transitions. [2019-11-28 20:15:08,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-28 20:15:08,812 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:15:08,813 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:15:08,813 INFO L410 AbstractCegarLoop]: === Iteration 29 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:15:08,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:15:08,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1579106443, now seen corresponding path program 1 times [2019-11-28 20:15:08,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:15:08,814 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786264945] [2019-11-28 20:15:08,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:15:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:08,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 20:15:08,951 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786264945] [2019-11-28 20:15:08,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:15:08,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 20:15:08,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773939562] [2019-11-28 20:15:08,952 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 20:15:08,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:15:08,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 20:15:08,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-28 20:15:08,953 INFO L87 Difference]: Start difference. First operand 239 states and 290 transitions. Second operand 8 states. [2019-11-28 20:15:09,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:15:09,301 INFO L93 Difference]: Finished difference Result 255 states and 306 transitions. [2019-11-28 20:15:09,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 20:15:09,301 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2019-11-28 20:15:09,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:15:09,303 INFO L225 Difference]: With dead ends: 255 [2019-11-28 20:15:09,303 INFO L226 Difference]: Without dead ends: 255 [2019-11-28 20:15:09,303 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-11-28 20:15:09,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2019-11-28 20:15:09,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 248. [2019-11-28 20:15:09,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2019-11-28 20:15:09,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 299 transitions. [2019-11-28 20:15:09,310 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 299 transitions. Word has length 40 [2019-11-28 20:15:09,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:15:09,310 INFO L462 AbstractCegarLoop]: Abstraction has 248 states and 299 transitions. [2019-11-28 20:15:09,310 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 20:15:09,310 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 299 transitions. [2019-11-28 20:15:09,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-28 20:15:09,311 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:15:09,311 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:15:09,312 INFO L410 AbstractCegarLoop]: === Iteration 30 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:15:09,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:15:09,312 INFO L82 PathProgramCache]: Analyzing trace with hash 641896126, now seen corresponding path program 1 times [2019-11-28 20:15:09,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:15:09,312 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476652011] [2019-11-28 20:15:09,313 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:15:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:09,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:15:09,399 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476652011] [2019-11-28 20:15:09,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:15:09,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 20:15:09,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153882409] [2019-11-28 20:15:09,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 20:15:09,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:15:09,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 20:15:09,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-28 20:15:09,405 INFO L87 Difference]: Start difference. First operand 248 states and 299 transitions. Second operand 8 states. [2019-11-28 20:15:09,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:15:09,810 INFO L93 Difference]: Finished difference Result 257 states and 310 transitions. [2019-11-28 20:15:09,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 20:15:09,811 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2019-11-28 20:15:09,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:15:09,813 INFO L225 Difference]: With dead ends: 257 [2019-11-28 20:15:09,813 INFO L226 Difference]: Without dead ends: 257 [2019-11-28 20:15:09,813 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-11-28 20:15:09,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2019-11-28 20:15:09,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 245. [2019-11-28 20:15:09,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2019-11-28 20:15:09,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 296 transitions. [2019-11-28 20:15:09,818 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 296 transitions. Word has length 40 [2019-11-28 20:15:09,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:15:09,818 INFO L462 AbstractCegarLoop]: Abstraction has 245 states and 296 transitions. [2019-11-28 20:15:09,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 20:15:09,818 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 296 transitions. [2019-11-28 20:15:09,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-28 20:15:09,819 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:15:09,819 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:15:09,819 INFO L410 AbstractCegarLoop]: === Iteration 31 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:15:09,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:15:09,820 INFO L82 PathProgramCache]: Analyzing trace with hash 12117480, now seen corresponding path program 1 times [2019-11-28 20:15:09,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:15:09,820 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939120536] [2019-11-28 20:15:09,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:15:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:10,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:15:10,160 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939120536] [2019-11-28 20:15:10,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:15:10,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-11-28 20:15:10,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779791609] [2019-11-28 20:15:10,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-28 20:15:10,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:15:10,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-28 20:15:10,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-11-28 20:15:10,162 INFO L87 Difference]: Start difference. First operand 245 states and 296 transitions. Second operand 16 states. [2019-11-28 20:15:11,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:15:11,943 INFO L93 Difference]: Finished difference Result 525 states and 591 transitions. [2019-11-28 20:15:11,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-28 20:15:11,944 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 42 [2019-11-28 20:15:11,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:15:11,947 INFO L225 Difference]: With dead ends: 525 [2019-11-28 20:15:11,948 INFO L226 Difference]: Without dead ends: 525 [2019-11-28 20:15:11,949 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=199, Invalid=731, Unknown=0, NotChecked=0, Total=930 [2019-11-28 20:15:11,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2019-11-28 20:15:11,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 245. [2019-11-28 20:15:11,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2019-11-28 20:15:11,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 295 transitions. [2019-11-28 20:15:11,954 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 295 transitions. Word has length 42 [2019-11-28 20:15:11,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:15:11,955 INFO L462 AbstractCegarLoop]: Abstraction has 245 states and 295 transitions. [2019-11-28 20:15:11,955 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-28 20:15:11,955 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 295 transitions. [2019-11-28 20:15:11,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-28 20:15:11,955 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:15:11,956 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:15:11,956 INFO L410 AbstractCegarLoop]: === Iteration 32 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:15:11,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:15:11,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1334961542, now seen corresponding path program 1 times [2019-11-28 20:15:11,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:15:11,956 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458044906] [2019-11-28 20:15:11,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:15:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:11,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 20:15:11,999 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458044906] [2019-11-28 20:15:11,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:15:11,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:15:11,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095852215] [2019-11-28 20:15:12,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:15:12,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:15:12,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:15:12,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:15:12,000 INFO L87 Difference]: Start difference. First operand 245 states and 295 transitions. Second operand 4 states. [2019-11-28 20:15:12,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:15:12,206 INFO L93 Difference]: Finished difference Result 258 states and 299 transitions. [2019-11-28 20:15:12,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:15:12,206 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2019-11-28 20:15:12,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:15:12,208 INFO L225 Difference]: With dead ends: 258 [2019-11-28 20:15:12,209 INFO L226 Difference]: Without dead ends: 258 [2019-11-28 20:15:12,209 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:15:12,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2019-11-28 20:15:12,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 246. [2019-11-28 20:15:12,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2019-11-28 20:15:12,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 296 transitions. [2019-11-28 20:15:12,214 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 296 transitions. Word has length 42 [2019-11-28 20:15:12,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:15:12,214 INFO L462 AbstractCegarLoop]: Abstraction has 246 states and 296 transitions. [2019-11-28 20:15:12,214 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:15:12,214 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 296 transitions. [2019-11-28 20:15:12,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-28 20:15:12,215 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:15:12,215 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:15:12,215 INFO L410 AbstractCegarLoop]: === Iteration 33 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:15:12,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:15:12,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1969732225, now seen corresponding path program 1 times [2019-11-28 20:15:12,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:15:12,216 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932745297] [2019-11-28 20:15:12,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:15:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:12,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 20:15:12,262 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932745297] [2019-11-28 20:15:12,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:15:12,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 20:15:12,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938775745] [2019-11-28 20:15:12,262 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:15:12,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:15:12,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:15:12,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:15:12,263 INFO L87 Difference]: Start difference. First operand 246 states and 296 transitions. Second operand 4 states. [2019-11-28 20:15:12,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:15:12,503 INFO L93 Difference]: Finished difference Result 247 states and 296 transitions. [2019-11-28 20:15:12,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:15:12,504 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2019-11-28 20:15:12,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:15:12,505 INFO L225 Difference]: With dead ends: 247 [2019-11-28 20:15:12,506 INFO L226 Difference]: Without dead ends: 247 [2019-11-28 20:15:12,506 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:15:12,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-11-28 20:15:12,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2019-11-28 20:15:12,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2019-11-28 20:15:12,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 293 transitions. [2019-11-28 20:15:12,512 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 293 transitions. Word has length 44 [2019-11-28 20:15:12,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:15:12,512 INFO L462 AbstractCegarLoop]: Abstraction has 244 states and 293 transitions. [2019-11-28 20:15:12,513 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:15:12,513 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 293 transitions. [2019-11-28 20:15:12,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-28 20:15:12,513 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:15:12,513 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:15:12,514 INFO L410 AbstractCegarLoop]: === Iteration 34 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:15:12,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:15:12,514 INFO L82 PathProgramCache]: Analyzing trace with hash 932161271, now seen corresponding path program 1 times [2019-11-28 20:15:12,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:15:12,514 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523308279] [2019-11-28 20:15:12,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:15:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:12,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 20:15:12,642 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523308279] [2019-11-28 20:15:12,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:15:12,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-28 20:15:12,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010700092] [2019-11-28 20:15:12,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 20:15:12,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:15:12,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 20:15:12,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-28 20:15:12,644 INFO L87 Difference]: Start difference. First operand 244 states and 293 transitions. Second operand 11 states. [2019-11-28 20:15:13,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:15:13,535 INFO L93 Difference]: Finished difference Result 432 states and 495 transitions. [2019-11-28 20:15:13,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-28 20:15:13,536 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 45 [2019-11-28 20:15:13,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:15:13,538 INFO L225 Difference]: With dead ends: 432 [2019-11-28 20:15:13,539 INFO L226 Difference]: Without dead ends: 432 [2019-11-28 20:15:13,539 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2019-11-28 20:15:13,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2019-11-28 20:15:13,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 251. [2019-11-28 20:15:13,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2019-11-28 20:15:13,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 302 transitions. [2019-11-28 20:15:13,544 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 302 transitions. Word has length 45 [2019-11-28 20:15:13,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:15:13,544 INFO L462 AbstractCegarLoop]: Abstraction has 251 states and 302 transitions. [2019-11-28 20:15:13,544 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 20:15:13,544 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 302 transitions. [2019-11-28 20:15:13,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-28 20:15:13,545 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:15:13,545 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:15:13,545 INFO L410 AbstractCegarLoop]: === Iteration 35 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:15:13,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:15:13,546 INFO L82 PathProgramCache]: Analyzing trace with hash 932161272, now seen corresponding path program 1 times [2019-11-28 20:15:13,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:15:13,546 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110223897] [2019-11-28 20:15:13,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:15:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:13,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 20:15:13,721 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110223897] [2019-11-28 20:15:13,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:15:13,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-28 20:15:13,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485167589] [2019-11-28 20:15:13,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 20:15:13,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:15:13,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 20:15:13,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-11-28 20:15:13,723 INFO L87 Difference]: Start difference. First operand 251 states and 302 transitions. Second operand 12 states. [2019-11-28 20:15:14,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:15:14,818 INFO L93 Difference]: Finished difference Result 434 states and 497 transitions. [2019-11-28 20:15:14,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 20:15:14,819 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 45 [2019-11-28 20:15:14,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:15:14,821 INFO L225 Difference]: With dead ends: 434 [2019-11-28 20:15:14,822 INFO L226 Difference]: Without dead ends: 434 [2019-11-28 20:15:14,822 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2019-11-28 20:15:14,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2019-11-28 20:15:14,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 257. [2019-11-28 20:15:14,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2019-11-28 20:15:14,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 309 transitions. [2019-11-28 20:15:14,827 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 309 transitions. Word has length 45 [2019-11-28 20:15:14,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:15:14,827 INFO L462 AbstractCegarLoop]: Abstraction has 257 states and 309 transitions. [2019-11-28 20:15:14,828 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 20:15:14,828 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 309 transitions. [2019-11-28 20:15:14,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-28 20:15:14,828 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:15:14,829 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:15:14,829 INFO L410 AbstractCegarLoop]: === Iteration 36 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:15:14,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:15:14,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1558321305, now seen corresponding path program 1 times [2019-11-28 20:15:14,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:15:14,830 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654234323] [2019-11-28 20:15:14,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:15:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:14,973 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:15:14,973 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654234323] [2019-11-28 20:15:14,973 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064890642] [2019-11-28 20:15:14,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 20:15:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:15:15,100 INFO L264 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 33 conjunts are in the unsatisfiable core [2019-11-28 20:15:15,103 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:15:15,118 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-11-28 20:15:15,118 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:15:15,129 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:15:15,138 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-11-28 20:15:15,138 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 20:15:15,143 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:15:15,144 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:15:15,144 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:22 [2019-11-28 20:15:15,347 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:15:15,348 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:15:15,352 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:15:15,353 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 18 [2019-11-28 20:15:15,353 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-11-28 20:15:15,367 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:15:15,378 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:15:15,379 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:15:15,383 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:15:15,383 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 18 [2019-11-28 20:15:15,384 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2019-11-28 20:15:15,395 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:15:15,396 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:15:15,397 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:15:15,401 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:15:15,403 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-11-28 20:15:15,403 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:53, output treesize:37 [2019-11-28 20:15:15,470 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:15:15,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:15:15,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 20:15:15,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 18 [2019-11-28 20:15:15,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567419445] [2019-11-28 20:15:15,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-28 20:15:15,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:15:15,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-28 20:15:15,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2019-11-28 20:15:15,482 INFO L87 Difference]: Start difference. First operand 257 states and 309 transitions. Second operand 18 states. [2019-11-28 20:15:17,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:15:17,783 INFO L93 Difference]: Finished difference Result 595 states and 646 transitions. [2019-11-28 20:15:17,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-11-28 20:15:17,783 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 45 [2019-11-28 20:15:17,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:15:17,786 INFO L225 Difference]: With dead ends: 595 [2019-11-28 20:15:17,786 INFO L226 Difference]: Without dead ends: 595 [2019-11-28 20:15:17,787 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=240, Invalid=1242, Unknown=0, NotChecked=0, Total=1482 [2019-11-28 20:15:17,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2019-11-28 20:15:17,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 281. [2019-11-28 20:15:17,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2019-11-28 20:15:17,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 343 transitions. [2019-11-28 20:15:17,793 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 343 transitions. Word has length 45 [2019-11-28 20:15:17,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:15:17,793 INFO L462 AbstractCegarLoop]: Abstraction has 281 states and 343 transitions. [2019-11-28 20:15:17,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-28 20:15:17,793 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 343 transitions. [2019-11-28 20:15:17,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-28 20:15:17,794 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:15:17,794 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:15:18,006 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 20:15:18,007 INFO L410 AbstractCegarLoop]: === Iteration 37 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 20:15:18,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:15:18,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1807245200, now seen corresponding path program 1 times [2019-11-28 20:15:18,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:15:18,008 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345341451] [2019-11-28 20:15:18,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:15:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:15:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:15:18,074 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:15:18,074 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 20:15:18,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:15:18 BoogieIcfgContainer [2019-11-28 20:15:18,166 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 20:15:18,167 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:15:18,167 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:15:18,167 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:15:18,167 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:14:45" (3/4) ... [2019-11-28 20:15:18,173 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 20:15:18,248 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:15:18,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:15:18,249 INFO L168 Benchmark]: Toolchain (without parser) took 34297.38 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 529.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 356.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:15:18,250 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:15:18,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:15:18,250 INFO L168 Benchmark]: Boogie Preprocessor took 99.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:15:18,251 INFO L168 Benchmark]: RCFGBuilder took 940.89 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: 70.9 MB). Peak memory consumption was 70.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:15:18,252 INFO L168 Benchmark]: TraceAbstraction took 32562.20 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 388.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -90.4 MB). Peak memory consumption was 297.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:15:18,252 INFO L168 Benchmark]: Witness Printer took 81.30 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-11-28 20:15:18,254 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 602.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 99.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 940.89 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: 70.9 MB). Peak memory consumption was 70.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 32562.20 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 388.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -90.4 MB). Peak memory consumption was 297.6 MB. Max. memory is 11.5 GB. * Witness Printer took 81.30 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1029]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L991] SLL* list = malloc(sizeof(SLL)); VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L992] list->next = ((void*)0) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L993] COND FALSE !(!(list != ((void*)0))) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L993] COND FALSE !(__VERIFIER_nondet_int()) [L993] list->inner = malloc(sizeof(SLL)) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] list->inner->next = ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] list->inner->inner = ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] EXPR list->inner != ((void*)0) || list->inner == ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, list->inner != ((void*)0) || list->inner == ((void*)0)=1, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L995] SLL* end = list; VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L998] COND FALSE !(__VERIFIER_nondet_int()) [L1008] end = ((void*)0) [L1009] end = list VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1012] COND FALSE !(!(((void*)0) != end)) VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1014] COND TRUE ((void*)0) != end [L1016] int len = 0; VAL [end={-1:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1017] EXPR end->inner VAL [end={-1:0}, end->inner={-2:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1017] SLL* inner = end->inner; [L1018] COND TRUE ((void*)0) != inner VAL [end={-1:0}, inner={-2:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1020] COND TRUE len == 0 [L1021] len = 1 VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1024] COND FALSE !(!(((void*)0) != inner)) VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1025] EXPR inner->inner VAL [end={-1:0}, inner={-2:0}, inner->inner={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1025] COND FALSE !(!(((void*)0) == inner->inner)) [L1026] EXPR inner->next VAL [end={-1:0}, inner={-2:0}, inner->next={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1026] COND FALSE !(!(((void*)0) == inner->next)) [L1027] EXPR inner->inner VAL [end={-1:0}, inner={-2:0}, inner->inner={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1027] inner = inner->inner [L1028] COND TRUE len == 1 VAL [end={-1:0}, inner={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1029] inner->inner - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 197 locations, 80 error locations. Result: UNSAFE, OverallTime: 32.4s, OverallIterations: 37, TraceHistogramMax: 2, AutomataDifference: 26.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 5741 SDtfs, 10241 SDslu, 17689 SDs, 0 SdLazy, 19785 SolverSat, 620 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 17.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 564 GetRequests, 179 SyntacticMatches, 4 SemanticMatches, 381 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 875 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=281occurred in iteration=36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 36 MinimizatonAttempts, 3663 StatesRemovedByMinimization, 33 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1190 NumberOfCodeBlocks, 1190 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 1106 ConstructedInterpolants, 7 QuantifiedInterpolants, 365018 SizeOfPredicates, 21 NumberOfNonLiveVariables, 302 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 38 InterpolantComputations, 34 PerfectInterpolantSequences, 9/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...