./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/dll-01-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_95564ecb-d596-4c33-8260-5780e61d1181/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_95564ecb-d596-4c33-8260-5780e61d1181/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_95564ecb-d596-4c33-8260-5780e61d1181/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_95564ecb-d596-4c33-8260-5780e61d1181/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-01-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_95564ecb-d596-4c33-8260-5780e61d1181/bin/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_95564ecb-d596-4c33-8260-5780e61d1181/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7feccaf382e9f358fe7bd48bccc9b98dfa2aebd .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:52:57,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:52:57,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:52:57,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:52:57,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:52:57,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:52:57,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:52:57,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:52:57,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:52:57,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:52:57,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:52:57,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:52:57,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:52:57,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:52:57,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:52:57,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:52:57,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:52:57,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:52:57,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:52:57,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:52:57,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:52:57,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:52:57,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:52:57,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:52:57,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:52:57,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:52:57,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:52:57,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:52:57,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:52:57,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:52:57,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:52:57,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:52:57,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:52:57,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:52:57,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:52:57,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:52:57,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:52:57,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:52:57,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:52:57,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:52:57,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:52:57,495 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_95564ecb-d596-4c33-8260-5780e61d1181/bin/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-12-07 15:52:57,508 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:52:57,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:52:57,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:52:57,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:52:57,509 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:52:57,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:52:57,510 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:52:57,510 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:52:57,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:52:57,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:52:57,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:52:57,511 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 15:52:57,511 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 15:52:57,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:52:57,511 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:52:57,512 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:52:57,512 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:52:57,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:52:57,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:52:57,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:52:57,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:52:57,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:52:57,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:52:57,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:52:57,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:52:57,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:52:57,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:52:57,514 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_95564ecb-d596-4c33-8260-5780e61d1181/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7feccaf382e9f358fe7bd48bccc9b98dfa2aebd [2019-12-07 15:52:57,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:52:57,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:52:57,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:52:57,639 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:52:57,639 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:52:57,640 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_95564ecb-d596-4c33-8260-5780e61d1181/bin/uautomizer/../../sv-benchmarks/c/forester-heap/dll-01-1.i [2019-12-07 15:52:57,685 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_95564ecb-d596-4c33-8260-5780e61d1181/bin/uautomizer/data/b7970519f/c51cd4a86df040e08d79c88c095667ec/FLAG45a6e01c2 [2019-12-07 15:52:58,158 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:52:58,158 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_95564ecb-d596-4c33-8260-5780e61d1181/sv-benchmarks/c/forester-heap/dll-01-1.i [2019-12-07 15:52:58,167 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_95564ecb-d596-4c33-8260-5780e61d1181/bin/uautomizer/data/b7970519f/c51cd4a86df040e08d79c88c095667ec/FLAG45a6e01c2 [2019-12-07 15:52:58,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_95564ecb-d596-4c33-8260-5780e61d1181/bin/uautomizer/data/b7970519f/c51cd4a86df040e08d79c88c095667ec [2019-12-07 15:52:58,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:52:58,179 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 15:52:58,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:52:58,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:52:58,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:52:58,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:52:58" (1/1) ... [2019-12-07 15:52:58,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d7b632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:58, skipping insertion in model container [2019-12-07 15:52:58,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:52:58" (1/1) ... [2019-12-07 15:52:58,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:52:58,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:52:58,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:52:58,430 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:52:58,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:52:58,496 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:52:58,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:58 WrapperNode [2019-12-07 15:52:58,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:52:58,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:52:58,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:52:58,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:52:58,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:58" (1/1) ... [2019-12-07 15:52:58,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:58" (1/1) ... [2019-12-07 15:52:58,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:58" (1/1) ... [2019-12-07 15:52:58,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:58" (1/1) ... [2019-12-07 15:52:58,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:58" (1/1) ... [2019-12-07 15:52:58,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:58" (1/1) ... [2019-12-07 15:52:58,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:58" (1/1) ... [2019-12-07 15:52:58,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:52:58,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:52:58,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:52:58,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:52:58,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95564ecb-d596-4c33-8260-5780e61d1181/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:52:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-12-07 15:52:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:52:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-12-07 15:52:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-12-07 15:52:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-12-07 15:52:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-12-07 15:52:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-12-07 15:52:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-12-07 15:52:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-12-07 15:52:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-12-07 15:52:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-12-07 15:52:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-12-07 15:52:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-12-07 15:52:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-12-07 15:52:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-12-07 15:52:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-12-07 15:52:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-12-07 15:52:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-12-07 15:52:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-12-07 15:52:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-12-07 15:52:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-12-07 15:52:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-12-07 15:52:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-12-07 15:52:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-12-07 15:52:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-12-07 15:52:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-12-07 15:52:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-12-07 15:52:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-12-07 15:52:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-12-07 15:52:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-12-07 15:52:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-12-07 15:52:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-12-07 15:52:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-12-07 15:52:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-12-07 15:52:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-12-07 15:52:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-12-07 15:52:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-12-07 15:52:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-12-07 15:52:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-12-07 15:52:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-12-07 15:52:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-12-07 15:52:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-12-07 15:52:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-12-07 15:52:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-12-07 15:52:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-12-07 15:52:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-12-07 15:52:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-12-07 15:52:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-12-07 15:52:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-12-07 15:52:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-12-07 15:52:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-12-07 15:52:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-12-07 15:52:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-12-07 15:52:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-12-07 15:52:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-12-07 15:52:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-12-07 15:52:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-12-07 15:52:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-12-07 15:52:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-12-07 15:52:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-12-07 15:52:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-12-07 15:52:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-12-07 15:52:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-12-07 15:52:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-12-07 15:52:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-12-07 15:52:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-12-07 15:52:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-12-07 15:52:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-12-07 15:52:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-12-07 15:52:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-12-07 15:52:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-12-07 15:52:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-12-07 15:52:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-12-07 15:52:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-12-07 15:52:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-12-07 15:52:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-12-07 15:52:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-12-07 15:52:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-12-07 15:52:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-12-07 15:52:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-12-07 15:52:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-12-07 15:52:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-12-07 15:52:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-12-07 15:52:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-12-07 15:52:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-12-07 15:52:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-12-07 15:52:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-12-07 15:52:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-12-07 15:52:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-12-07 15:52:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-12-07 15:52:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-12-07 15:52:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-12-07 15:52:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-12-07 15:52:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-12-07 15:52:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-12-07 15:52:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-12-07 15:52:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-12-07 15:52:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-12-07 15:52:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-12-07 15:52:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-12-07 15:52:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-12-07 15:52:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-12-07 15:52:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-12-07 15:52:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-12-07 15:52:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-12-07 15:52:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-12-07 15:52:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-12-07 15:52:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-12-07 15:52:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-12-07 15:52:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 15:52:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 15:52:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 15:52:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:52:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-12-07 15:52:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:52:59,012 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:52:59,012 INFO L287 CfgBuilder]: Removed 30 assume(true) statements. [2019-12-07 15:52:59,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:52:59 BoogieIcfgContainer [2019-12-07 15:52:59,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:52:59,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:52:59,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:52:59,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:52:59,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:52:58" (1/3) ... [2019-12-07 15:52:59,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5164391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:52:59, skipping insertion in model container [2019-12-07 15:52:59,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:58" (2/3) ... [2019-12-07 15:52:59,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5164391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:52:59, skipping insertion in model container [2019-12-07 15:52:59,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:52:59" (3/3) ... [2019-12-07 15:52:59,019 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-01-1.i [2019-12-07 15:52:59,026 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:52:59,031 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 84 error locations. [2019-12-07 15:52:59,038 INFO L249 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2019-12-07 15:52:59,052 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:52:59,052 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 15:52:59,052 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:52:59,053 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:52:59,053 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:52:59,053 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:52:59,053 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:52:59,053 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:52:59,069 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2019-12-07 15:52:59,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 15:52:59,075 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:59,076 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:52:59,076 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:52:59,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:59,080 INFO L82 PathProgramCache]: Analyzing trace with hash 672062655, now seen corresponding path program 1 times [2019-12-07 15:52:59,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:59,086 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618621736] [2019-12-07 15:52:59,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:59,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:59,236 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618621736] [2019-12-07 15:52:59,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:59,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:52:59,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077931839] [2019-12-07 15:52:59,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:52:59,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:59,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:52:59,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:52:59,253 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 4 states. [2019-12-07 15:52:59,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:52:59,540 INFO L93 Difference]: Finished difference Result 202 states and 212 transitions. [2019-12-07 15:52:59,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:52:59,541 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-07 15:52:59,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:52:59,549 INFO L225 Difference]: With dead ends: 202 [2019-12-07 15:52:59,549 INFO L226 Difference]: Without dead ends: 198 [2019-12-07 15:52:59,550 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 [2019-12-07 15:52:59,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-12-07 15:52:59,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 193. [2019-12-07 15:52:59,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-12-07 15:52:59,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 205 transitions. [2019-12-07 15:52:59,584 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 205 transitions. Word has length 7 [2019-12-07 15:52:59,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:52:59,584 INFO L462 AbstractCegarLoop]: Abstraction has 193 states and 205 transitions. [2019-12-07 15:52:59,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:52:59,584 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 205 transitions. [2019-12-07 15:52:59,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 15:52:59,585 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:59,585 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:52:59,585 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:52:59,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:59,586 INFO L82 PathProgramCache]: Analyzing trace with hash 672062656, now seen corresponding path program 1 times [2019-12-07 15:52:59,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:59,586 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225292546] [2019-12-07 15:52:59,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:59,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:59,626 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225292546] [2019-12-07 15:52:59,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:59,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:52:59,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300173807] [2019-12-07 15:52:59,627 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:52:59,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:59,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:52:59,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:52:59,628 INFO L87 Difference]: Start difference. First operand 193 states and 205 transitions. Second operand 4 states. [2019-12-07 15:52:59,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:52:59,858 INFO L93 Difference]: Finished difference Result 222 states and 233 transitions. [2019-12-07 15:52:59,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:52:59,859 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-07 15:52:59,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:52:59,860 INFO L225 Difference]: With dead ends: 222 [2019-12-07 15:52:59,861 INFO L226 Difference]: Without dead ends: 222 [2019-12-07 15:52:59,861 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 [2019-12-07 15:52:59,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2019-12-07 15:52:59,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 202. [2019-12-07 15:52:59,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-12-07 15:52:59,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 225 transitions. [2019-12-07 15:52:59,872 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 225 transitions. Word has length 7 [2019-12-07 15:52:59,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:52:59,872 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 225 transitions. [2019-12-07 15:52:59,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:52:59,873 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 225 transitions. [2019-12-07 15:52:59,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 15:52:59,873 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:59,873 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:52:59,874 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:52:59,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:59,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1719002423, now seen corresponding path program 1 times [2019-12-07 15:52:59,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:59,874 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302608505] [2019-12-07 15:52:59,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:59,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:59,907 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302608505] [2019-12-07 15:52:59,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:59,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:52:59,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397859247] [2019-12-07 15:52:59,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:52:59,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:59,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:52:59,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:52:59,908 INFO L87 Difference]: Start difference. First operand 202 states and 225 transitions. Second operand 4 states. [2019-12-07 15:53:00,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:00,082 INFO L93 Difference]: Finished difference Result 217 states and 228 transitions. [2019-12-07 15:53:00,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:53:00,083 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-12-07 15:53:00,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:00,084 INFO L225 Difference]: With dead ends: 217 [2019-12-07 15:53:00,084 INFO L226 Difference]: Without dead ends: 217 [2019-12-07 15:53:00,084 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 [2019-12-07 15:53:00,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2019-12-07 15:53:00,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 200. [2019-12-07 15:53:00,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-12-07 15:53:00,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 222 transitions. [2019-12-07 15:53:00,093 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 222 transitions. Word has length 10 [2019-12-07 15:53:00,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:00,093 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 222 transitions. [2019-12-07 15:53:00,093 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:53:00,093 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 222 transitions. [2019-12-07 15:53:00,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 15:53:00,094 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:00,094 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:53:00,094 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:00,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:00,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1657537492, now seen corresponding path program 1 times [2019-12-07 15:53:00,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:00,095 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999801682] [2019-12-07 15:53:00,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:00,143 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999801682] [2019-12-07 15:53:00,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:00,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 15:53:00,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644501151] [2019-12-07 15:53:00,144 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:53:00,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:00,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:53:00,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:53:00,145 INFO L87 Difference]: Start difference. First operand 200 states and 222 transitions. Second operand 6 states. [2019-12-07 15:53:00,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:00,546 INFO L93 Difference]: Finished difference Result 347 states and 377 transitions. [2019-12-07 15:53:00,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 15:53:00,546 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-12-07 15:53:00,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:00,548 INFO L225 Difference]: With dead ends: 347 [2019-12-07 15:53:00,548 INFO L226 Difference]: Without dead ends: 347 [2019-12-07 15:53:00,548 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 [2019-12-07 15:53:00,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2019-12-07 15:53:00,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 199. [2019-12-07 15:53:00,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-12-07 15:53:00,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 221 transitions. [2019-12-07 15:53:00,556 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 221 transitions. Word has length 15 [2019-12-07 15:53:00,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:00,556 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 221 transitions. [2019-12-07 15:53:00,556 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:53:00,556 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 221 transitions. [2019-12-07 15:53:00,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 15:53:00,556 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:00,556 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:53:00,557 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:00,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:00,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1657537493, now seen corresponding path program 1 times [2019-12-07 15:53:00,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:00,557 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425833714] [2019-12-07 15:53:00,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:00,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:00,609 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425833714] [2019-12-07 15:53:00,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:00,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 15:53:00,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762199211] [2019-12-07 15:53:00,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:53:00,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:00,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:53:00,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:53:00,610 INFO L87 Difference]: Start difference. First operand 199 states and 221 transitions. Second operand 6 states. [2019-12-07 15:53:01,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:01,054 INFO L93 Difference]: Finished difference Result 374 states and 417 transitions. [2019-12-07 15:53:01,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 15:53:01,054 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-12-07 15:53:01,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:01,056 INFO L225 Difference]: With dead ends: 374 [2019-12-07 15:53:01,056 INFO L226 Difference]: Without dead ends: 374 [2019-12-07 15:53:01,057 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 [2019-12-07 15:53:01,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2019-12-07 15:53:01,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 198. [2019-12-07 15:53:01,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2019-12-07 15:53:01,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 220 transitions. [2019-12-07 15:53:01,065 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 220 transitions. Word has length 15 [2019-12-07 15:53:01,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:01,065 INFO L462 AbstractCegarLoop]: Abstraction has 198 states and 220 transitions. [2019-12-07 15:53:01,065 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:53:01,065 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 220 transitions. [2019-12-07 15:53:01,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 15:53:01,066 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:01,066 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:53:01,066 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:01,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:01,067 INFO L82 PathProgramCache]: Analyzing trace with hash 460436990, now seen corresponding path program 1 times [2019-12-07 15:53:01,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:01,067 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227344622] [2019-12-07 15:53:01,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:01,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:01,167 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227344622] [2019-12-07 15:53:01,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:01,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 15:53:01,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193913285] [2019-12-07 15:53:01,168 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 15:53:01,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:01,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 15:53:01,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-12-07 15:53:01,168 INFO L87 Difference]: Start difference. First operand 198 states and 220 transitions. Second operand 9 states. [2019-12-07 15:53:01,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:01,908 INFO L93 Difference]: Finished difference Result 346 states and 375 transitions. [2019-12-07 15:53:01,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 15:53:01,909 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-12-07 15:53:01,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:01,910 INFO L225 Difference]: With dead ends: 346 [2019-12-07 15:53:01,910 INFO L226 Difference]: Without dead ends: 346 [2019-12-07 15:53:01,911 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 [2019-12-07 15:53:01,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2019-12-07 15:53:01,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 197. [2019-12-07 15:53:01,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-12-07 15:53:01,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 219 transitions. [2019-12-07 15:53:01,915 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 219 transitions. Word has length 18 [2019-12-07 15:53:01,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:01,916 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 219 transitions. [2019-12-07 15:53:01,916 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 15:53:01,916 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 219 transitions. [2019-12-07 15:53:01,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 15:53:01,916 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:01,916 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:53:01,917 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:01,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:01,917 INFO L82 PathProgramCache]: Analyzing trace with hash 460436991, now seen corresponding path program 1 times [2019-12-07 15:53:01,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:01,917 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339647670] [2019-12-07 15:53:01,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:02,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:02,009 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339647670] [2019-12-07 15:53:02,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:02,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 15:53:02,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88334457] [2019-12-07 15:53:02,009 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 15:53:02,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:02,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 15:53:02,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-12-07 15:53:02,010 INFO L87 Difference]: Start difference. First operand 197 states and 219 transitions. Second operand 9 states. [2019-12-07 15:53:03,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:03,041 INFO L93 Difference]: Finished difference Result 347 states and 376 transitions. [2019-12-07 15:53:03,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 15:53:03,041 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-12-07 15:53:03,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:03,044 INFO L225 Difference]: With dead ends: 347 [2019-12-07 15:53:03,044 INFO L226 Difference]: Without dead ends: 347 [2019-12-07 15:53:03,044 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 [2019-12-07 15:53:03,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2019-12-07 15:53:03,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 196. [2019-12-07 15:53:03,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2019-12-07 15:53:03,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 218 transitions. [2019-12-07 15:53:03,051 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 218 transitions. Word has length 18 [2019-12-07 15:53:03,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:03,051 INFO L462 AbstractCegarLoop]: Abstraction has 196 states and 218 transitions. [2019-12-07 15:53:03,051 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 15:53:03,051 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 218 transitions. [2019-12-07 15:53:03,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 15:53:03,052 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:03,052 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:53:03,052 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:03,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:03,052 INFO L82 PathProgramCache]: Analyzing trace with hash 190963596, now seen corresponding path program 1 times [2019-12-07 15:53:03,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:03,053 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581200091] [2019-12-07 15:53:03,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:03,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:03,079 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581200091] [2019-12-07 15:53:03,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:03,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:53:03,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238804186] [2019-12-07 15:53:03,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:53:03,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:03,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:53:03,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:53:03,080 INFO L87 Difference]: Start difference. First operand 196 states and 218 transitions. Second operand 4 states. [2019-12-07 15:53:03,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:03,214 INFO L93 Difference]: Finished difference Result 197 states and 219 transitions. [2019-12-07 15:53:03,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:53:03,214 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2019-12-07 15:53:03,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:03,215 INFO L225 Difference]: With dead ends: 197 [2019-12-07 15:53:03,215 INFO L226 Difference]: Without dead ends: 197 [2019-12-07 15:53:03,215 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 [2019-12-07 15:53:03,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-12-07 15:53:03,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2019-12-07 15:53:03,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-12-07 15:53:03,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 219 transitions. [2019-12-07 15:53:03,220 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 219 transitions. Word has length 18 [2019-12-07 15:53:03,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:03,220 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 219 transitions. [2019-12-07 15:53:03,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:53:03,220 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 219 transitions. [2019-12-07 15:53:03,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 15:53:03,221 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:03,221 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] [2019-12-07 15:53:03,221 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:03,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:03,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1165941967, now seen corresponding path program 1 times [2019-12-07 15:53:03,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:03,222 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497257125] [2019-12-07 15:53:03,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:03,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:03,277 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497257125] [2019-12-07 15:53:03,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:03,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 15:53:03,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087199534] [2019-12-07 15:53:03,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 15:53:03,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:03,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 15:53:03,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:53:03,278 INFO L87 Difference]: Start difference. First operand 197 states and 219 transitions. Second operand 8 states. [2019-12-07 15:53:03,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:03,569 INFO L93 Difference]: Finished difference Result 284 states and 312 transitions. [2019-12-07 15:53:03,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 15:53:03,569 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2019-12-07 15:53:03,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:03,571 INFO L225 Difference]: With dead ends: 284 [2019-12-07 15:53:03,571 INFO L226 Difference]: Without dead ends: 284 [2019-12-07 15:53:03,571 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-12-07 15:53:03,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2019-12-07 15:53:03,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 194. [2019-12-07 15:53:03,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-12-07 15:53:03,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 216 transitions. [2019-12-07 15:53:03,575 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 216 transitions. Word has length 20 [2019-12-07 15:53:03,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:03,576 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 216 transitions. [2019-12-07 15:53:03,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 15:53:03,576 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 216 transitions. [2019-12-07 15:53:03,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 15:53:03,576 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:03,576 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] [2019-12-07 15:53:03,577 INFO L410 AbstractCegarLoop]: === Iteration 10 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:03,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:03,577 INFO L82 PathProgramCache]: Analyzing trace with hash -932363818, now seen corresponding path program 1 times [2019-12-07 15:53:03,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:03,577 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943558198] [2019-12-07 15:53:03,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:03,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:03,614 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943558198] [2019-12-07 15:53:03,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:03,614 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 15:53:03,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169484511] [2019-12-07 15:53:03,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:53:03,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:03,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:53:03,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:53:03,615 INFO L87 Difference]: Start difference. First operand 194 states and 216 transitions. Second operand 6 states. [2019-12-07 15:53:03,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:03,814 INFO L93 Difference]: Finished difference Result 285 states and 312 transitions. [2019-12-07 15:53:03,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 15:53:03,815 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-12-07 15:53:03,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:03,816 INFO L225 Difference]: With dead ends: 285 [2019-12-07 15:53:03,816 INFO L226 Difference]: Without dead ends: 285 [2019-12-07 15:53:03,816 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 [2019-12-07 15:53:03,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2019-12-07 15:53:03,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 197. [2019-12-07 15:53:03,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-12-07 15:53:03,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 219 transitions. [2019-12-07 15:53:03,820 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 219 transitions. Word has length 22 [2019-12-07 15:53:03,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:03,820 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 219 transitions. [2019-12-07 15:53:03,821 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:53:03,821 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 219 transitions. [2019-12-07 15:53:03,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 15:53:03,821 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:03,821 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] [2019-12-07 15:53:03,821 INFO L410 AbstractCegarLoop]: === Iteration 11 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:03,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:03,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1991759109, now seen corresponding path program 1 times [2019-12-07 15:53:03,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:03,822 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527019660] [2019-12-07 15:53:03,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:03,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:03,850 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527019660] [2019-12-07 15:53:03,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:03,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:53:03,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687963064] [2019-12-07 15:53:03,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:53:03,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:03,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:53:03,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:53:03,851 INFO L87 Difference]: Start difference. First operand 197 states and 219 transitions. Second operand 5 states. [2019-12-07 15:53:04,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:04,032 INFO L93 Difference]: Finished difference Result 192 states and 212 transitions. [2019-12-07 15:53:04,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:53:04,033 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 15:53:04,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:04,034 INFO L225 Difference]: With dead ends: 192 [2019-12-07 15:53:04,034 INFO L226 Difference]: Without dead ends: 192 [2019-12-07 15:53:04,034 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 [2019-12-07 15:53:04,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-12-07 15:53:04,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 187. [2019-12-07 15:53:04,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2019-12-07 15:53:04,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 209 transitions. [2019-12-07 15:53:04,037 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 209 transitions. Word has length 24 [2019-12-07 15:53:04,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:04,037 INFO L462 AbstractCegarLoop]: Abstraction has 187 states and 209 transitions. [2019-12-07 15:53:04,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:53:04,038 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 209 transitions. [2019-12-07 15:53:04,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 15:53:04,038 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:04,038 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] [2019-12-07 15:53:04,038 INFO L410 AbstractCegarLoop]: === Iteration 12 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:04,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:04,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1991759108, now seen corresponding path program 1 times [2019-12-07 15:53:04,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:04,039 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923902903] [2019-12-07 15:53:04,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:04,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:04,076 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923902903] [2019-12-07 15:53:04,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:04,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:53:04,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440985500] [2019-12-07 15:53:04,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:53:04,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:04,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:53:04,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:53:04,076 INFO L87 Difference]: Start difference. First operand 187 states and 209 transitions. Second operand 5 states. [2019-12-07 15:53:04,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:04,293 INFO L93 Difference]: Finished difference Result 247 states and 262 transitions. [2019-12-07 15:53:04,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:53:04,294 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 15:53:04,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:04,295 INFO L225 Difference]: With dead ends: 247 [2019-12-07 15:53:04,295 INFO L226 Difference]: Without dead ends: 247 [2019-12-07 15:53:04,295 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 [2019-12-07 15:53:04,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-12-07 15:53:04,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 210. [2019-12-07 15:53:04,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-12-07 15:53:04,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 246 transitions. [2019-12-07 15:53:04,300 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 246 transitions. Word has length 24 [2019-12-07 15:53:04,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:04,300 INFO L462 AbstractCegarLoop]: Abstraction has 210 states and 246 transitions. [2019-12-07 15:53:04,301 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:53:04,301 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 246 transitions. [2019-12-07 15:53:04,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 15:53:04,301 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:04,302 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] [2019-12-07 15:53:04,302 INFO L410 AbstractCegarLoop]: === Iteration 13 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:04,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:04,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1474965198, now seen corresponding path program 1 times [2019-12-07 15:53:04,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:04,303 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926754575] [2019-12-07 15:53:04,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:04,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:04,329 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926754575] [2019-12-07 15:53:04,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:04,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 15:53:04,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338088414] [2019-12-07 15:53:04,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:53:04,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:04,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:53:04,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:53:04,330 INFO L87 Difference]: Start difference. First operand 210 states and 246 transitions. Second operand 5 states. [2019-12-07 15:53:04,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:04,509 INFO L93 Difference]: Finished difference Result 242 states and 256 transitions. [2019-12-07 15:53:04,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:53:04,509 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 15:53:04,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:04,511 INFO L225 Difference]: With dead ends: 242 [2019-12-07 15:53:04,511 INFO L226 Difference]: Without dead ends: 242 [2019-12-07 15:53:04,511 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 [2019-12-07 15:53:04,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2019-12-07 15:53:04,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 208. [2019-12-07 15:53:04,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2019-12-07 15:53:04,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 243 transitions. [2019-12-07 15:53:04,514 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 243 transitions. Word has length 26 [2019-12-07 15:53:04,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:04,515 INFO L462 AbstractCegarLoop]: Abstraction has 208 states and 243 transitions. [2019-12-07 15:53:04,515 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:53:04,515 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 243 transitions. [2019-12-07 15:53:04,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 15:53:04,515 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:04,515 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] [2019-12-07 15:53:04,516 INFO L410 AbstractCegarLoop]: === Iteration 14 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:04,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:04,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1474912478, now seen corresponding path program 1 times [2019-12-07 15:53:04,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:04,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840924506] [2019-12-07 15:53:04,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:04,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:04,552 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840924506] [2019-12-07 15:53:04,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:04,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 15:53:04,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925424921] [2019-12-07 15:53:04,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:53:04,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:04,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:53:04,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:53:04,553 INFO L87 Difference]: Start difference. First operand 208 states and 243 transitions. Second operand 6 states. [2019-12-07 15:53:04,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:04,839 INFO L93 Difference]: Finished difference Result 296 states and 346 transitions. [2019-12-07 15:53:04,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 15:53:04,839 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-12-07 15:53:04,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:04,840 INFO L225 Difference]: With dead ends: 296 [2019-12-07 15:53:04,840 INFO L226 Difference]: Without dead ends: 296 [2019-12-07 15:53:04,840 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:53:04,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2019-12-07 15:53:04,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 207. [2019-12-07 15:53:04,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2019-12-07 15:53:04,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 241 transitions. [2019-12-07 15:53:04,844 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 241 transitions. Word has length 26 [2019-12-07 15:53:04,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:04,845 INFO L462 AbstractCegarLoop]: Abstraction has 207 states and 241 transitions. [2019-12-07 15:53:04,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:53:04,845 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 241 transitions. [2019-12-07 15:53:04,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 15:53:04,845 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:04,845 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] [2019-12-07 15:53:04,846 INFO L410 AbstractCegarLoop]: === Iteration 15 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:04,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:04,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1474912479, now seen corresponding path program 1 times [2019-12-07 15:53:04,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:04,846 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779117124] [2019-12-07 15:53:04,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:04,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:04,892 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779117124] [2019-12-07 15:53:04,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:04,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 15:53:04,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126805407] [2019-12-07 15:53:04,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:53:04,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:04,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:53:04,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:53:04,893 INFO L87 Difference]: Start difference. First operand 207 states and 241 transitions. Second operand 6 states. [2019-12-07 15:53:05,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:05,208 INFO L93 Difference]: Finished difference Result 323 states and 383 transitions. [2019-12-07 15:53:05,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 15:53:05,208 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-12-07 15:53:05,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:05,209 INFO L225 Difference]: With dead ends: 323 [2019-12-07 15:53:05,209 INFO L226 Difference]: Without dead ends: 323 [2019-12-07 15:53:05,210 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 [2019-12-07 15:53:05,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2019-12-07 15:53:05,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 206. [2019-12-07 15:53:05,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2019-12-07 15:53:05,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 239 transitions. [2019-12-07 15:53:05,213 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 239 transitions. Word has length 26 [2019-12-07 15:53:05,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:05,213 INFO L462 AbstractCegarLoop]: Abstraction has 206 states and 239 transitions. [2019-12-07 15:53:05,213 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:53:05,213 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 239 transitions. [2019-12-07 15:53:05,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 15:53:05,214 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:05,214 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] [2019-12-07 15:53:05,214 INFO L410 AbstractCegarLoop]: === Iteration 16 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:05,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:05,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1869283103, now seen corresponding path program 1 times [2019-12-07 15:53:05,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:05,214 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373731710] [2019-12-07 15:53:05,214 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:05,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:05,310 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373731710] [2019-12-07 15:53:05,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:05,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-12-07 15:53:05,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113981256] [2019-12-07 15:53:05,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 15:53:05,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:05,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 15:53:05,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-12-07 15:53:05,311 INFO L87 Difference]: Start difference. First operand 206 states and 239 transitions. Second operand 11 states. [2019-12-07 15:53:06,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:06,361 INFO L93 Difference]: Finished difference Result 199 states and 231 transitions. [2019-12-07 15:53:06,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-12-07 15:53:06,361 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2019-12-07 15:53:06,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:06,362 INFO L225 Difference]: With dead ends: 199 [2019-12-07 15:53:06,362 INFO L226 Difference]: Without dead ends: 199 [2019-12-07 15:53:06,363 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2019-12-07 15:53:06,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2019-12-07 15:53:06,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 189. [2019-12-07 15:53:06,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2019-12-07 15:53:06,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 221 transitions. [2019-12-07 15:53:06,365 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 221 transitions. Word has length 30 [2019-12-07 15:53:06,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:06,365 INFO L462 AbstractCegarLoop]: Abstraction has 189 states and 221 transitions. [2019-12-07 15:53:06,365 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 15:53:06,365 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 221 transitions. [2019-12-07 15:53:06,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 15:53:06,366 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:06,366 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] [2019-12-07 15:53:06,366 INFO L410 AbstractCegarLoop]: === Iteration 17 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:06,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:06,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1869283104, now seen corresponding path program 1 times [2019-12-07 15:53:06,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:06,366 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268398278] [2019-12-07 15:53:06,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:06,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:06,439 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268398278] [2019-12-07 15:53:06,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:06,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-12-07 15:53:06,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346837502] [2019-12-07 15:53:06,439 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 15:53:06,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:06,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 15:53:06,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-12-07 15:53:06,440 INFO L87 Difference]: Start difference. First operand 189 states and 221 transitions. Second operand 10 states. [2019-12-07 15:53:06,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:06,783 INFO L93 Difference]: Finished difference Result 189 states and 220 transitions. [2019-12-07 15:53:06,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 15:53:06,784 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2019-12-07 15:53:06,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:06,785 INFO L225 Difference]: With dead ends: 189 [2019-12-07 15:53:06,785 INFO L226 Difference]: Without dead ends: 189 [2019-12-07 15:53:06,785 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2019-12-07 15:53:06,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2019-12-07 15:53:06,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 188. [2019-12-07 15:53:06,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-12-07 15:53:06,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 220 transitions. [2019-12-07 15:53:06,788 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 220 transitions. Word has length 30 [2019-12-07 15:53:06,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:06,788 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 220 transitions. [2019-12-07 15:53:06,788 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 15:53:06,788 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 220 transitions. [2019-12-07 15:53:06,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 15:53:06,789 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:06,789 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] [2019-12-07 15:53:06,789 INFO L410 AbstractCegarLoop]: === Iteration 18 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:06,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:06,789 INFO L82 PathProgramCache]: Analyzing trace with hash -527131654, now seen corresponding path program 1 times [2019-12-07 15:53:06,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:06,790 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282116433] [2019-12-07 15:53:06,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:06,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:06,813 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282116433] [2019-12-07 15:53:06,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:06,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:53:06,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785130534] [2019-12-07 15:53:06,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:53:06,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:06,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:53:06,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:53:06,815 INFO L87 Difference]: Start difference. First operand 188 states and 220 transitions. Second operand 4 states. [2019-12-07 15:53:06,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:06,923 INFO L93 Difference]: Finished difference Result 261 states and 308 transitions. [2019-12-07 15:53:06,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:53:06,923 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-12-07 15:53:06,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:06,924 INFO L225 Difference]: With dead ends: 261 [2019-12-07 15:53:06,925 INFO L226 Difference]: Without dead ends: 261 [2019-12-07 15:53:06,925 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 [2019-12-07 15:53:06,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2019-12-07 15:53:06,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 194. [2019-12-07 15:53:06,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-12-07 15:53:06,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 228 transitions. [2019-12-07 15:53:06,929 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 228 transitions. Word has length 32 [2019-12-07 15:53:06,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:06,929 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 228 transitions. [2019-12-07 15:53:06,929 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:53:06,929 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 228 transitions. [2019-12-07 15:53:06,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 15:53:06,930 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:06,930 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] [2019-12-07 15:53:06,930 INFO L410 AbstractCegarLoop]: === Iteration 19 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:06,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:06,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1084730400, now seen corresponding path program 1 times [2019-12-07 15:53:06,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:06,930 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888682489] [2019-12-07 15:53:06,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:07,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:07,002 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888682489] [2019-12-07 15:53:07,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:07,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-12-07 15:53:07,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056435026] [2019-12-07 15:53:07,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 15:53:07,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:07,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 15:53:07,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-12-07 15:53:07,003 INFO L87 Difference]: Start difference. First operand 194 states and 228 transitions. Second operand 11 states. [2019-12-07 15:53:07,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:07,790 INFO L93 Difference]: Finished difference Result 200 states and 234 transitions. [2019-12-07 15:53:07,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-12-07 15:53:07,791 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2019-12-07 15:53:07,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:07,793 INFO L225 Difference]: With dead ends: 200 [2019-12-07 15:53:07,793 INFO L226 Difference]: Without dead ends: 200 [2019-12-07 15:53:07,794 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2019-12-07 15:53:07,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2019-12-07 15:53:07,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 190. [2019-12-07 15:53:07,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2019-12-07 15:53:07,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 224 transitions. [2019-12-07 15:53:07,800 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 224 transitions. Word has length 32 [2019-12-07 15:53:07,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:07,800 INFO L462 AbstractCegarLoop]: Abstraction has 190 states and 224 transitions. [2019-12-07 15:53:07,800 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 15:53:07,800 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 224 transitions. [2019-12-07 15:53:07,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 15:53:07,801 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:07,801 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] [2019-12-07 15:53:07,802 INFO L410 AbstractCegarLoop]: === Iteration 20 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:07,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:07,802 INFO L82 PathProgramCache]: Analyzing trace with hash 838776545, now seen corresponding path program 1 times [2019-12-07 15:53:07,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:07,802 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697676751] [2019-12-07 15:53:07,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:07,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:07,836 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697676751] [2019-12-07 15:53:07,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:07,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:53:07,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442070185] [2019-12-07 15:53:07,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:53:07,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:07,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:53:07,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:53:07,837 INFO L87 Difference]: Start difference. First operand 190 states and 224 transitions. Second operand 4 states. [2019-12-07 15:53:07,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:07,941 INFO L93 Difference]: Finished difference Result 188 states and 221 transitions. [2019-12-07 15:53:07,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:53:07,941 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-12-07 15:53:07,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:07,942 INFO L225 Difference]: With dead ends: 188 [2019-12-07 15:53:07,942 INFO L226 Difference]: Without dead ends: 188 [2019-12-07 15:53:07,942 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 [2019-12-07 15:53:07,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-12-07 15:53:07,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2019-12-07 15:53:07,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-12-07 15:53:07,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 221 transitions. [2019-12-07 15:53:07,945 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 221 transitions. Word has length 33 [2019-12-07 15:53:07,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:07,945 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 221 transitions. [2019-12-07 15:53:07,945 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:53:07,945 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 221 transitions. [2019-12-07 15:53:07,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 15:53:07,945 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:07,945 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] [2019-12-07 15:53:07,946 INFO L410 AbstractCegarLoop]: === Iteration 21 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:07,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:07,946 INFO L82 PathProgramCache]: Analyzing trace with hash 232273455, now seen corresponding path program 1 times [2019-12-07 15:53:07,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:07,946 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944914402] [2019-12-07 15:53:07,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:08,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:08,021 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944914402] [2019-12-07 15:53:08,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:08,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-12-07 15:53:08,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038358581] [2019-12-07 15:53:08,022 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 15:53:08,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:08,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 15:53:08,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-12-07 15:53:08,022 INFO L87 Difference]: Start difference. First operand 188 states and 221 transitions. Second operand 9 states. [2019-12-07 15:53:08,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:08,358 INFO L93 Difference]: Finished difference Result 291 states and 332 transitions. [2019-12-07 15:53:08,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 15:53:08,358 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2019-12-07 15:53:08,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:08,359 INFO L225 Difference]: With dead ends: 291 [2019-12-07 15:53:08,359 INFO L226 Difference]: Without dead ends: 291 [2019-12-07 15:53:08,359 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 [2019-12-07 15:53:08,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2019-12-07 15:53:08,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 200. [2019-12-07 15:53:08,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-12-07 15:53:08,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 234 transitions. [2019-12-07 15:53:08,362 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 234 transitions. Word has length 34 [2019-12-07 15:53:08,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:08,362 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 234 transitions. [2019-12-07 15:53:08,363 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 15:53:08,363 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 234 transitions. [2019-12-07 15:53:08,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 15:53:08,363 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:08,363 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] [2019-12-07 15:53:08,363 INFO L410 AbstractCegarLoop]: === Iteration 22 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:08,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:08,363 INFO L82 PathProgramCache]: Analyzing trace with hash 342223010, now seen corresponding path program 1 times [2019-12-07 15:53:08,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:08,364 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707066802] [2019-12-07 15:53:08,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:08,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:08,428 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707066802] [2019-12-07 15:53:08,429 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420696382] [2019-12-07 15:53:08,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95564ecb-d596-4c33-8260-5780e61d1181/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:53:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:08,502 INFO L264 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 23 conjunts are in the unsatisfiable core [2019-12-07 15:53:08,506 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:53:08,559 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 [2019-12-07 15:53:08,560 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:53:08,568 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:53:08,570 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 [2019-12-07 15:53:08,571 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:53:08,576 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:53:08,577 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:53:08,577 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2019-12-07 15:53:08,598 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:53:08,600 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 [2019-12-07 15:53:08,600 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:53:08,618 INFO L614 ElimStorePlain]: treesize reduction 5, result has 89.6 percent of original size [2019-12-07 15:53:08,621 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:53:08,621 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 [2019-12-07 15:53:08,622 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:53:08,630 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:53:08,630 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:53:08,630 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:52, output treesize:39 [2019-12-07 15:53:08,653 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:53:08,655 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:53:08,656 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:53:08,657 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2019-12-07 15:53:08,657 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:53:08,669 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:53:08,671 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:53:08,672 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:53:08,673 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:53:08,674 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2019-12-07 15:53:08,674 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:53:08,684 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:53:08,684 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:53:08,684 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:57 [2019-12-07 15:53:08,734 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:53:08,735 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:53:08,736 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:53:08,736 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 13 [2019-12-07 15:53:08,736 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:53:08,744 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:53:08,747 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:53:08,747 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:53:08,748 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:53:08,749 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:53:08,749 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 13 [2019-12-07 15:53:08,749 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:53:08,753 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:53:08,754 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:53:08,754 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:71, output treesize:7 [2019-12-07 15:53:08,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:08,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 15:53:08,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 12 [2019-12-07 15:53:08,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072372290] [2019-12-07 15:53:08,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 15:53:08,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:08,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 15:53:08,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2019-12-07 15:53:08,762 INFO L87 Difference]: Start difference. First operand 200 states and 234 transitions. Second operand 12 states. [2019-12-07 15:53:09,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:09,251 INFO L93 Difference]: Finished difference Result 341 states and 373 transitions. [2019-12-07 15:53:09,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 15:53:09,251 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2019-12-07 15:53:09,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:09,253 INFO L225 Difference]: With dead ends: 341 [2019-12-07 15:53:09,253 INFO L226 Difference]: Without dead ends: 341 [2019-12-07 15:53:09,253 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2019-12-07 15:53:09,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2019-12-07 15:53:09,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 228. [2019-12-07 15:53:09,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-12-07 15:53:09,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 275 transitions. [2019-12-07 15:53:09,258 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 275 transitions. Word has length 36 [2019-12-07 15:53:09,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:09,258 INFO L462 AbstractCegarLoop]: Abstraction has 228 states and 275 transitions. [2019-12-07 15:53:09,258 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 15:53:09,258 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 275 transitions. [2019-12-07 15:53:09,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-07 15:53:09,259 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:09,259 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] [2019-12-07 15:53:09,459 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:53:09,460 INFO L410 AbstractCegarLoop]: === Iteration 23 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:09,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:09,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1715448733, now seen corresponding path program 1 times [2019-12-07 15:53:09,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:09,461 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363096401] [2019-12-07 15:53:09,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:09,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:09,564 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363096401] [2019-12-07 15:53:09,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:09,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-12-07 15:53:09,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056999135] [2019-12-07 15:53:09,565 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 15:53:09,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:09,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 15:53:09,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-12-07 15:53:09,565 INFO L87 Difference]: Start difference. First operand 228 states and 275 transitions. Second operand 12 states. [2019-12-07 15:53:10,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:10,310 INFO L93 Difference]: Finished difference Result 461 states and 517 transitions. [2019-12-07 15:53:10,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-12-07 15:53:10,310 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2019-12-07 15:53:10,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:10,313 INFO L225 Difference]: With dead ends: 461 [2019-12-07 15:53:10,313 INFO L226 Difference]: Without dead ends: 461 [2019-12-07 15:53:10,314 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=387, Unknown=0, NotChecked=0, Total=506 [2019-12-07 15:53:10,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2019-12-07 15:53:10,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 229. [2019-12-07 15:53:10,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2019-12-07 15:53:10,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 273 transitions. [2019-12-07 15:53:10,320 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 273 transitions. Word has length 38 [2019-12-07 15:53:10,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:10,320 INFO L462 AbstractCegarLoop]: Abstraction has 229 states and 273 transitions. [2019-12-07 15:53:10,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 15:53:10,321 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 273 transitions. [2019-12-07 15:53:10,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-07 15:53:10,321 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:10,321 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] [2019-12-07 15:53:10,321 INFO L410 AbstractCegarLoop]: === Iteration 24 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:10,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:10,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1715448732, now seen corresponding path program 1 times [2019-12-07 15:53:10,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:10,322 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573329886] [2019-12-07 15:53:10,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:10,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:10,464 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573329886] [2019-12-07 15:53:10,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:10,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-12-07 15:53:10,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981162941] [2019-12-07 15:53:10,465 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 15:53:10,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:10,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 15:53:10,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-12-07 15:53:10,465 INFO L87 Difference]: Start difference. First operand 229 states and 273 transitions. Second operand 13 states. [2019-12-07 15:53:11,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:11,800 INFO L93 Difference]: Finished difference Result 516 states and 573 transitions. [2019-12-07 15:53:11,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-12-07 15:53:11,801 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 38 [2019-12-07 15:53:11,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:11,804 INFO L225 Difference]: With dead ends: 516 [2019-12-07 15:53:11,805 INFO L226 Difference]: Without dead ends: 516 [2019-12-07 15:53:11,805 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650 [2019-12-07 15:53:11,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2019-12-07 15:53:11,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 235. [2019-12-07 15:53:11,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2019-12-07 15:53:11,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 280 transitions. [2019-12-07 15:53:11,815 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 280 transitions. Word has length 38 [2019-12-07 15:53:11,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:11,815 INFO L462 AbstractCegarLoop]: Abstraction has 235 states and 280 transitions. [2019-12-07 15:53:11,815 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 15:53:11,815 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 280 transitions. [2019-12-07 15:53:11,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-07 15:53:11,816 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:11,816 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] [2019-12-07 15:53:11,816 INFO L410 AbstractCegarLoop]: === Iteration 25 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:11,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:11,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1846831822, now seen corresponding path program 1 times [2019-12-07 15:53:11,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:11,817 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140564921] [2019-12-07 15:53:11,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:11,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:11,854 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140564921] [2019-12-07 15:53:11,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:11,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 15:53:11,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119001682] [2019-12-07 15:53:11,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:53:11,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:11,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:53:11,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:53:11,855 INFO L87 Difference]: Start difference. First operand 235 states and 280 transitions. Second operand 6 states. [2019-12-07 15:53:12,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:12,156 INFO L93 Difference]: Finished difference Result 350 states and 413 transitions. [2019-12-07 15:53:12,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 15:53:12,156 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2019-12-07 15:53:12,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:12,158 INFO L225 Difference]: With dead ends: 350 [2019-12-07 15:53:12,158 INFO L226 Difference]: Without dead ends: 350 [2019-12-07 15:53:12,158 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 [2019-12-07 15:53:12,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-12-07 15:53:12,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 234. [2019-12-07 15:53:12,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-12-07 15:53:12,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 279 transitions. [2019-12-07 15:53:12,162 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 279 transitions. Word has length 39 [2019-12-07 15:53:12,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:12,162 INFO L462 AbstractCegarLoop]: Abstraction has 234 states and 279 transitions. [2019-12-07 15:53:12,162 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:53:12,162 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 279 transitions. [2019-12-07 15:53:12,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-07 15:53:12,162 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:12,162 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] [2019-12-07 15:53:12,163 INFO L410 AbstractCegarLoop]: === Iteration 26 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:12,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:12,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1846831821, now seen corresponding path program 1 times [2019-12-07 15:53:12,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:12,163 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783200860] [2019-12-07 15:53:12,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:12,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:12,202 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783200860] [2019-12-07 15:53:12,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:12,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 15:53:12,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331469670] [2019-12-07 15:53:12,202 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:53:12,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:12,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:53:12,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:53:12,203 INFO L87 Difference]: Start difference. First operand 234 states and 279 transitions. Second operand 6 states. [2019-12-07 15:53:12,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:12,520 INFO L93 Difference]: Finished difference Result 377 states and 451 transitions. [2019-12-07 15:53:12,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 15:53:12,520 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2019-12-07 15:53:12,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:12,522 INFO L225 Difference]: With dead ends: 377 [2019-12-07 15:53:12,522 INFO L226 Difference]: Without dead ends: 377 [2019-12-07 15:53:12,522 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 [2019-12-07 15:53:12,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-12-07 15:53:12,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 233. [2019-12-07 15:53:12,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2019-12-07 15:53:12,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 278 transitions. [2019-12-07 15:53:12,526 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 278 transitions. Word has length 39 [2019-12-07 15:53:12,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:12,526 INFO L462 AbstractCegarLoop]: Abstraction has 233 states and 278 transitions. [2019-12-07 15:53:12,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:53:12,526 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 278 transitions. [2019-12-07 15:53:12,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-07 15:53:12,527 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:12,527 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] [2019-12-07 15:53:12,527 INFO L410 AbstractCegarLoop]: === Iteration 27 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:12,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:12,527 INFO L82 PathProgramCache]: Analyzing trace with hash 721217219, now seen corresponding path program 1 times [2019-12-07 15:53:12,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:12,527 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775019335] [2019-12-07 15:53:12,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:12,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:12,759 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775019335] [2019-12-07 15:53:12,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:12,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-12-07 15:53:12,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359725200] [2019-12-07 15:53:12,759 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-07 15:53:12,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:12,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 15:53:12,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-12-07 15:53:12,759 INFO L87 Difference]: Start difference. First operand 233 states and 278 transitions. Second operand 15 states. [2019-12-07 15:53:13,840 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2019-12-07 15:53:14,060 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-12-07 15:53:15,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:15,309 INFO L93 Difference]: Finished difference Result 521 states and 571 transitions. [2019-12-07 15:53:15,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-12-07 15:53:15,309 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 40 [2019-12-07 15:53:15,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:15,311 INFO L225 Difference]: With dead ends: 521 [2019-12-07 15:53:15,311 INFO L226 Difference]: Without dead ends: 521 [2019-12-07 15:53:15,312 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=197, Invalid=673, Unknown=0, NotChecked=0, Total=870 [2019-12-07 15:53:15,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2019-12-07 15:53:15,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 233. [2019-12-07 15:53:15,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2019-12-07 15:53:15,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 277 transitions. [2019-12-07 15:53:15,317 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 277 transitions. Word has length 40 [2019-12-07 15:53:15,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:15,318 INFO L462 AbstractCegarLoop]: Abstraction has 233 states and 277 transitions. [2019-12-07 15:53:15,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-07 15:53:15,318 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 277 transitions. [2019-12-07 15:53:15,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-07 15:53:15,318 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:15,318 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] [2019-12-07 15:53:15,319 INFO L410 AbstractCegarLoop]: === Iteration 28 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:15,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:15,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1182524174, now seen corresponding path program 1 times [2019-12-07 15:53:15,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:15,319 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180669478] [2019-12-07 15:53:15,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:15,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 15:53:15,384 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180669478] [2019-12-07 15:53:15,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:15,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 15:53:15,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807279935] [2019-12-07 15:53:15,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 15:53:15,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:15,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 15:53:15,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:53:15,385 INFO L87 Difference]: Start difference. First operand 233 states and 277 transitions. Second operand 8 states. [2019-12-07 15:53:15,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:15,632 INFO L93 Difference]: Finished difference Result 249 states and 293 transitions. [2019-12-07 15:53:15,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 15:53:15,632 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2019-12-07 15:53:15,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:15,633 INFO L225 Difference]: With dead ends: 249 [2019-12-07 15:53:15,633 INFO L226 Difference]: Without dead ends: 249 [2019-12-07 15:53:15,633 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-12-07 15:53:15,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2019-12-07 15:53:15,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 242. [2019-12-07 15:53:15,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2019-12-07 15:53:15,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 286 transitions. [2019-12-07 15:53:15,636 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 286 transitions. Word has length 41 [2019-12-07 15:53:15,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:15,636 INFO L462 AbstractCegarLoop]: Abstraction has 242 states and 286 transitions. [2019-12-07 15:53:15,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 15:53:15,637 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 286 transitions. [2019-12-07 15:53:15,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-07 15:53:15,637 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:15,637 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] [2019-12-07 15:53:15,637 INFO L410 AbstractCegarLoop]: === Iteration 29 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:15,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:15,637 INFO L82 PathProgramCache]: Analyzing trace with hash -705085753, now seen corresponding path program 1 times [2019-12-07 15:53:15,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:15,638 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632238538] [2019-12-07 15:53:15,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:15,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:15,663 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632238538] [2019-12-07 15:53:15,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:15,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:53:15,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130385193] [2019-12-07 15:53:15,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:53:15,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:15,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:53:15,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:53:15,663 INFO L87 Difference]: Start difference. First operand 242 states and 286 transitions. Second operand 4 states. [2019-12-07 15:53:15,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:15,764 INFO L93 Difference]: Finished difference Result 243 states and 287 transitions. [2019-12-07 15:53:15,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:53:15,764 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2019-12-07 15:53:15,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:15,765 INFO L225 Difference]: With dead ends: 243 [2019-12-07 15:53:15,765 INFO L226 Difference]: Without dead ends: 243 [2019-12-07 15:53:15,765 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 [2019-12-07 15:53:15,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-12-07 15:53:15,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2019-12-07 15:53:15,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-12-07 15:53:15,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 287 transitions. [2019-12-07 15:53:15,768 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 287 transitions. Word has length 42 [2019-12-07 15:53:15,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:15,768 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 287 transitions. [2019-12-07 15:53:15,768 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:53:15,768 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 287 transitions. [2019-12-07 15:53:15,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-07 15:53:15,769 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:15,769 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] [2019-12-07 15:53:15,769 INFO L410 AbstractCegarLoop]: === Iteration 30 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:15,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:15,769 INFO L82 PathProgramCache]: Analyzing trace with hash -435612359, now seen corresponding path program 1 times [2019-12-07 15:53:15,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:15,769 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106152471] [2019-12-07 15:53:15,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:15,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:15,894 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106152471] [2019-12-07 15:53:15,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:15,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-12-07 15:53:15,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930104370] [2019-12-07 15:53:15,894 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-07 15:53:15,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:15,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 15:53:15,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2019-12-07 15:53:15,895 INFO L87 Difference]: Start difference. First operand 243 states and 287 transitions. Second operand 15 states. [2019-12-07 15:53:17,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:17,092 INFO L93 Difference]: Finished difference Result 262 states and 307 transitions. [2019-12-07 15:53:17,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-12-07 15:53:17,094 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 42 [2019-12-07 15:53:17,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:17,096 INFO L225 Difference]: With dead ends: 262 [2019-12-07 15:53:17,096 INFO L226 Difference]: Without dead ends: 262 [2019-12-07 15:53:17,097 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=172, Invalid=640, Unknown=0, NotChecked=0, Total=812 [2019-12-07 15:53:17,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2019-12-07 15:53:17,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 242. [2019-12-07 15:53:17,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2019-12-07 15:53:17,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 286 transitions. [2019-12-07 15:53:17,103 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 286 transitions. Word has length 42 [2019-12-07 15:53:17,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:17,103 INFO L462 AbstractCegarLoop]: Abstraction has 242 states and 286 transitions. [2019-12-07 15:53:17,103 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-07 15:53:17,103 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 286 transitions. [2019-12-07 15:53:17,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-07 15:53:17,104 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:17,104 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] [2019-12-07 15:53:17,105 INFO L410 AbstractCegarLoop]: === Iteration 31 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:17,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:17,105 INFO L82 PathProgramCache]: Analyzing trace with hash -435612358, now seen corresponding path program 1 times [2019-12-07 15:53:17,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:17,106 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687464283] [2019-12-07 15:53:17,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:17,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:17,265 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687464283] [2019-12-07 15:53:17,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:17,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-12-07 15:53:17,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519472798] [2019-12-07 15:53:17,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-07 15:53:17,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:17,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 15:53:17,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2019-12-07 15:53:17,265 INFO L87 Difference]: Start difference. First operand 242 states and 286 transitions. Second operand 15 states. [2019-12-07 15:53:18,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:18,010 INFO L93 Difference]: Finished difference Result 261 states and 306 transitions. [2019-12-07 15:53:18,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-12-07 15:53:18,011 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 42 [2019-12-07 15:53:18,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:18,012 INFO L225 Difference]: With dead ends: 261 [2019-12-07 15:53:18,012 INFO L226 Difference]: Without dead ends: 261 [2019-12-07 15:53:18,012 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=172, Invalid=640, Unknown=0, NotChecked=0, Total=812 [2019-12-07 15:53:18,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2019-12-07 15:53:18,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 241. [2019-12-07 15:53:18,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2019-12-07 15:53:18,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 285 transitions. [2019-12-07 15:53:18,015 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 285 transitions. Word has length 42 [2019-12-07 15:53:18,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:18,015 INFO L462 AbstractCegarLoop]: Abstraction has 241 states and 285 transitions. [2019-12-07 15:53:18,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-07 15:53:18,015 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 285 transitions. [2019-12-07 15:53:18,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-07 15:53:18,015 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:18,015 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] [2019-12-07 15:53:18,016 INFO L410 AbstractCegarLoop]: === Iteration 32 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 15:53:18,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:18,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1935015935, now seen corresponding path program 1 times [2019-12-07 15:53:18,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:18,016 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473671840] [2019-12-07 15:53:18,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:53:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:53:18,058 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:53:18,058 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 15:53:18,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:53:18 BoogieIcfgContainer [2019-12-07 15:53:18,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:53:18,091 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:53:18,091 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:53:18,091 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:53:18,091 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:52:59" (3/4) ... [2019-12-07 15:53:18,093 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 15:53:18,125 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_95564ecb-d596-4c33-8260-5780e61d1181/bin/uautomizer/witness.graphml [2019-12-07 15:53:18,125 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:53:18,126 INFO L168 Benchmark]: Toolchain (without parser) took 19947.36 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 316.7 MB). Free memory was 932.6 MB in the beginning and 1.3 GB in the end (delta: -370.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:53:18,126 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:53:18,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -147.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:53:18,126 INFO L168 Benchmark]: Boogie Preprocessor took 49.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:53:18,127 INFO L168 Benchmark]: RCFGBuilder took 465.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 995.4 MB in the end (delta: 79.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:53:18,127 INFO L168 Benchmark]: TraceAbstraction took 19077.45 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 220.7 MB). Free memory was 995.4 MB in the beginning and 1.3 GB in the end (delta: -310.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:53:18,127 INFO L168 Benchmark]: Witness Printer took 33.93 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:53:18,128 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 317.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -147.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 465.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 995.4 MB in the end (delta: 79.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19077.45 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 220.7 MB). Free memory was 995.4 MB in the beginning and 1.3 GB in the end (delta: -310.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 33.93 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1029]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L992] SLL* list = malloc(sizeof(SLL)); VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L993] list->next = ((void*)0) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L994] list->prev = ((void*)0) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L995] COND FALSE !(!(list != ((void*)0))) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L995] COND FALSE !(__VERIFIER_nondet_int()) [L995] list->inner = malloc(sizeof(SLL)) VAL [list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L995] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L995] list->inner->next = ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L995] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L995] list->inner->inner = ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L995] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L995] 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))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L995] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L997] SLL* end = list; VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1000] COND FALSE !(__VERIFIER_nondet_int()) [L1011] end = ((void*)0) [L1012] end = list VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1015] COND FALSE !(!(((void*)0) != end)) VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1017] COND TRUE ((void*)0) != end [L1019] int len = 0; VAL [end={-1:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1020] EXPR end->inner VAL [end={-1:0}, end->inner={-2:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1020] SLL* inner = end->inner; [L1021] COND TRUE ((void*)0) != inner VAL [end={-1:0}, inner={-2:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1023] COND TRUE len == 0 [L1024] len = 1 VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1027] COND FALSE !(!(((void*)0) != inner)) VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1028] EXPR inner->inner VAL [end={-1:0}, inner={-2:0}, inner->inner={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1028] COND FALSE !(!(((void*)0) == inner->inner)) [L1029] EXPR inner->next VAL [end={-1:0}, inner={-2:0}, inner->next={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1029] COND TRUE !(((void*)0) != inner->next) [L1029] __VERIFIER_error() VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 202 locations, 84 error locations. Result: UNSAFE, OverallTime: 19.0s, OverallIterations: 32, TraceHistogramMax: 2, AutomataDifference: 15.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4811 SDtfs, 7242 SDslu, 14310 SDs, 0 SdLazy, 17734 SolverSat, 488 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 457 GetRequests, 121 SyntacticMatches, 5 SemanticMatches, 331 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 542 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=243occurred in iteration=29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 31 MinimizatonAttempts, 2526 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 943 NumberOfCodeBlocks, 943 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 868 ConstructedInterpolants, 0 QuantifiedInterpolants, 251581 SizeOfPredicates, 9 NumberOfNonLiveVariables, 137 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 32 InterpolantComputations, 30 PerfectInterpolantSequences, 3/5 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...