/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 14:52:24,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 14:52:24,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 14:52:24,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 14:52:24,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 14:52:24,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 14:52:24,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 14:52:24,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 14:52:24,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 14:52:24,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 14:52:24,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 14:52:24,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 14:52:24,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 14:52:24,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 14:52:24,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 14:52:24,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 14:52:24,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 14:52:24,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 14:52:24,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 14:52:24,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 14:52:24,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 14:52:24,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 14:52:24,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 14:52:24,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 14:52:24,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 14:52:24,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 14:52:24,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 14:52:24,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 14:52:24,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 14:52:24,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 14:52:24,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 14:52:24,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 14:52:24,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 14:52:24,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 14:52:24,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 14:52:24,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 14:52:24,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 14:52:24,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 14:52:24,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 14:52:24,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 14:52:24,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 14:52:24,979 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 14:52:25,027 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 14:52:25,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 14:52:25,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 14:52:25,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 14:52:25,033 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 14:52:25,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 14:52:25,034 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 14:52:25,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 14:52:25,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 14:52:25,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 14:52:25,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 14:52:25,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 14:52:25,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 14:52:25,037 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 14:52:25,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 14:52:25,038 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 14:52:25,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 14:52:25,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 14:52:25,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 14:52:25,039 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 14:52:25,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 14:52:25,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 14:52:25,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 14:52:25,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 14:52:25,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 14:52:25,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 14:52:25,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 14:52:25,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 14:52:25,041 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 14:52:25,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 14:52:25,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 14:52:25,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 14:52:25,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 14:52:25,518 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 14:52:25,518 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 14:52:25,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all.i [2020-10-28 14:52:25,617 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2152d44b3/05440902b25444e2ba99584d0a3fd30b/FLAG77a23c25c [2020-10-28 14:52:26,275 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 14:52:26,276 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/sll2n_update_all.i [2020-10-28 14:52:26,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2152d44b3/05440902b25444e2ba99584d0a3fd30b/FLAG77a23c25c [2020-10-28 14:52:26,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2152d44b3/05440902b25444e2ba99584d0a3fd30b [2020-10-28 14:52:26,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 14:52:26,589 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 14:52:26,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 14:52:26,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 14:52:26,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 14:52:26,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:52:26" (1/1) ... [2020-10-28 14:52:26,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3377e866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:52:26, skipping insertion in model container [2020-10-28 14:52:26,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:52:26" (1/1) ... [2020-10-28 14:52:26,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 14:52:26,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 14:52:27,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:52:27,116 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 14:52:27,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:52:27,280 INFO L208 MainTranslator]: Completed translation [2020-10-28 14:52:27,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:52:27 WrapperNode [2020-10-28 14:52:27,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 14:52:27,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 14:52:27,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 14:52:27,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 14:52:27,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:52:27" (1/1) ... [2020-10-28 14:52:27,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:52:27" (1/1) ... [2020-10-28 14:52:27,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:52:27" (1/1) ... [2020-10-28 14:52:27,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:52:27" (1/1) ... [2020-10-28 14:52:27,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:52:27" (1/1) ... [2020-10-28 14:52:27,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:52:27" (1/1) ... [2020-10-28 14:52:27,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:52:27" (1/1) ... [2020-10-28 14:52:27,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 14:52:27,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 14:52:27,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 14:52:27,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 14:52:27,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:52:27" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 14:52:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 14:52:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 14:52:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 14:52:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-28 14:52:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-28 14:52:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-28 14:52:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-28 14:52:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-10-28 14:52:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-10-28 14:52:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2020-10-28 14:52:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2020-10-28 14:52:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 14:52:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 14:52:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 14:52:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 14:52:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 14:52:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 14:52:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 14:52:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-28 14:52:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-28 14:52:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-28 14:52:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-28 14:52:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-28 14:52:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-28 14:52:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-28 14:52:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-28 14:52:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-28 14:52:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-28 14:52:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-28 14:52:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-28 14:52:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-28 14:52:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-28 14:52:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-28 14:52:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-28 14:52:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-28 14:52:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-28 14:52:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-28 14:52:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-28 14:52:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-28 14:52:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-28 14:52:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-28 14:52:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-28 14:52:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-28 14:52:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-28 14:52:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-28 14:52:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-28 14:52:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-28 14:52:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-28 14:52:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-28 14:52:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-28 14:52:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-28 14:52:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-28 14:52:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-28 14:52:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-28 14:52:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-28 14:52:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-28 14:52:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-28 14:52:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-28 14:52:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-28 14:52:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-28 14:52:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-28 14:52:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-28 14:52:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-28 14:52:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-28 14:52:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-28 14:52:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-28 14:52:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-28 14:52:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-28 14:52:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-28 14:52:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-28 14:52:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 14:52:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 14:52:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-28 14:52:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 14:52:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-28 14:52:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-28 14:52:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-28 14:52:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-28 14:52:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-28 14:52:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-28 14:52:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-28 14:52:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-28 14:52:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 14:52:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-28 14:52:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-28 14:52:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-28 14:52:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-28 14:52:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-28 14:52:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-28 14:52:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-28 14:52:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-28 14:52:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-28 14:52:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-28 14:52:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-28 14:52:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-28 14:52:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-28 14:52:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-28 14:52:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-28 14:52:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-28 14:52:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-28 14:52:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-28 14:52:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-28 14:52:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-28 14:52:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-28 14:52:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-28 14:52:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-28 14:52:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-28 14:52:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-28 14:52:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-28 14:52:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-28 14:52:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-28 14:52:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-28 14:52:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-28 14:52:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-28 14:52:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-28 14:52:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-28 14:52:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-28 14:52:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-28 14:52:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-28 14:52:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-28 14:52:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-28 14:52:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-28 14:52:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-28 14:52:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-28 14:52:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 14:52:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 14:52:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 14:52:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-10-28 14:52:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-10-28 14:52:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 14:52:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 14:52:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2020-10-28 14:52:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 14:52:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2020-10-28 14:52:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 14:52:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 14:52:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 14:52:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 14:52:27,872 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-28 14:52:28,033 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 14:52:28,034 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-28 14:52:28,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:52:28 BoogieIcfgContainer [2020-10-28 14:52:28,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 14:52:28,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 14:52:28,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 14:52:28,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 14:52:28,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 02:52:26" (1/3) ... [2020-10-28 14:52:28,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5771e61f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:52:28, skipping insertion in model container [2020-10-28 14:52:28,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:52:27" (2/3) ... [2020-10-28 14:52:28,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5771e61f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:52:28, skipping insertion in model container [2020-10-28 14:52:28,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:52:28" (3/3) ... [2020-10-28 14:52:28,045 INFO L111 eAbstractionObserver]: Analyzing ICFG sll2n_update_all.i [2020-10-28 14:52:28,058 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 14:52:28,064 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 14:52:28,079 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 14:52:28,108 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 14:52:28,108 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 14:52:28,108 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 14:52:28,109 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 14:52:28,109 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 14:52:28,109 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 14:52:28,109 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 14:52:28,109 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 14:52:28,129 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-10-28 14:52:28,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-28 14:52:28,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:52:28,138 INFO L422 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] [2020-10-28 14:52:28,138 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:52:28,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:52:28,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1464523986, now seen corresponding path program 1 times [2020-10-28 14:52:28,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:52:28,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [725869842] [2020-10-28 14:52:28,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:52:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:28,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:28,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:28,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:28,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:29,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:29,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 14:52:29,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 14:52:29,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 880 [2020-10-28 14:52:29,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:29,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:29,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:52:29,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:52:29,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 14:52:29,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 14:52:29,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:52:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:29,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:29,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:29,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:52:29,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:29,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 14:52:29,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:29,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:52:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:52:29,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:29,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:52:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:29,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:29,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:29,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:29,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:29,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:52:29,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 14:52:29,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:29,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:29,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:52:29,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:29,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:52:29,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:29,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 14:52:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:29,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:29,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:29,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:29,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:29,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:52:29,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:29,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:29,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:52:29,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:52:29,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:52:29,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:29,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 14:52:29,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [725869842] [2020-10-28 14:52:29,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:52:29,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 14:52:29,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679460022] [2020-10-28 14:52:29,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 14:52:29,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:52:29,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 14:52:29,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-28 14:52:29,438 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 6 states. [2020-10-28 14:52:29,664 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-10-28 14:52:30,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:52:30,277 INFO L93 Difference]: Finished difference Result 138 states and 205 transitions. [2020-10-28 14:52:30,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 14:52:30,279 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-10-28 14:52:30,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:52:30,290 INFO L225 Difference]: With dead ends: 138 [2020-10-28 14:52:30,291 INFO L226 Difference]: Without dead ends: 78 [2020-10-28 14:52:30,295 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-28 14:52:30,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-28 14:52:30,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 45. [2020-10-28 14:52:30,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-28 14:52:30,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2020-10-28 14:52:30,350 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 27 [2020-10-28 14:52:30,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:52:30,350 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2020-10-28 14:52:30,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 14:52:30,351 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2020-10-28 14:52:30,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-28 14:52:30,353 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:52:30,353 INFO L422 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] [2020-10-28 14:52:30,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 14:52:30,355 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:52:30,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:52:30,357 INFO L82 PathProgramCache]: Analyzing trace with hash 341015580, now seen corresponding path program 1 times [2020-10-28 14:52:30,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:52:30,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662002090] [2020-10-28 14:52:30,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:52:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:30,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:30,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:30,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:30,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:30,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:30,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:31,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:34,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:34,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-28 14:52:34,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 14:52:34,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3658 [2020-10-28 14:52:34,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:34,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:34,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:52:34,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 14:52:34,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 14:52:34,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:34,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:52:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:34,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:34,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:34,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:52:34,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:34,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:52:34,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:34,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:34,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:52:34,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:34,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:52:34,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:34,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:52:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:34,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:34,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:34,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:34,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:34,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 14:52:34,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:34,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:34,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:52:34,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:34,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:52:34,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:34,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-28 14:52:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:34,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:34,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:34,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:34,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:34,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 14:52:34,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:34,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:34,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:52:34,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:34,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:52:34,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:52:34,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 14:52:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:34,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:34,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:34,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:34,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:34,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:52:34,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:34,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:34,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:52:34,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:52:34,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:52:34,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:34,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 14:52:34,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [662002090] [2020-10-28 14:52:34,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:52:34,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 14:52:34,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407282993] [2020-10-28 14:52:34,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 14:52:34,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:52:34,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 14:52:34,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-28 14:52:34,244 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand 9 states. [2020-10-28 14:52:34,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:52:34,610 INFO L93 Difference]: Finished difference Result 77 states and 86 transitions. [2020-10-28 14:52:34,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 14:52:34,611 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 35 [2020-10-28 14:52:34,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:52:34,612 INFO L225 Difference]: With dead ends: 77 [2020-10-28 14:52:34,612 INFO L226 Difference]: Without dead ends: 49 [2020-10-28 14:52:34,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-28 14:52:34,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-28 14:52:34,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2020-10-28 14:52:34,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-28 14:52:34,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2020-10-28 14:52:34,624 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 35 [2020-10-28 14:52:34,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:52:34,625 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2020-10-28 14:52:34,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 14:52:34,625 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2020-10-28 14:52:34,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-28 14:52:34,626 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:52:34,626 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:52:34,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 14:52:34,627 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:52:34,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:52:34,627 INFO L82 PathProgramCache]: Analyzing trace with hash 609029754, now seen corresponding path program 1 times [2020-10-28 14:52:34,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:52:34,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419352757] [2020-10-28 14:52:34,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:52:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:34,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:34,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:34,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:35,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:36,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:37,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:37,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:37,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-28 14:52:37,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 14:52:37,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3059 [2020-10-28 14:52:37,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:37,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:37,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:52:37,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:52:37,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 14:52:37,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:37,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:52:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:37,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:37,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:37,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:52:37,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:37,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:52:37,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:37,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:37,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:52:37,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:37,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:52:37,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:52:37,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:52:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:37,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:37,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:37,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:37,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 14:52:37,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:52:37,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-28 14:52:37,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:37,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:37,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:52:37,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:37,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 14:52:37,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:37,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 14:52:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:37,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:37,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:37,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:37,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:37,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:52:37,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:37,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:37,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:52:37,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:37,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:52:37,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:37,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 14:52:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:37,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:37,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:37,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:37,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:37,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:52:37,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:37,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:37,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:52:37,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:37,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:52:37,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:52:37,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 14:52:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:37,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:37,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:37,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:37,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:37,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:52:37,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:37,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:37,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:52:37,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:52:37,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:52:37,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:37,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 14:52:37,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1419352757] [2020-10-28 14:52:37,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:52:37,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 14:52:37,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762990766] [2020-10-28 14:52:37,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 14:52:37,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:52:37,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 14:52:37,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-28 14:52:37,964 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 8 states. [2020-10-28 14:52:38,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:52:38,232 INFO L93 Difference]: Finished difference Result 72 states and 82 transitions. [2020-10-28 14:52:38,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 14:52:38,233 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 44 [2020-10-28 14:52:38,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:52:38,235 INFO L225 Difference]: With dead ends: 72 [2020-10-28 14:52:38,235 INFO L226 Difference]: Without dead ends: 57 [2020-10-28 14:52:38,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-28 14:52:38,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-28 14:52:38,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 49. [2020-10-28 14:52:38,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-28 14:52:38,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2020-10-28 14:52:38,248 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 44 [2020-10-28 14:52:38,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:52:38,249 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2020-10-28 14:52:38,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 14:52:38,249 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2020-10-28 14:52:38,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-28 14:52:38,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:52:38,252 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:52:38,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 14:52:38,252 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:52:38,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:52:38,253 INFO L82 PathProgramCache]: Analyzing trace with hash 628983236, now seen corresponding path program 2 times [2020-10-28 14:52:38,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:52:38,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1524158512] [2020-10-28 14:52:38,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:52:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:38,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:38,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:38,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:39,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:39,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:40,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:41,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:41,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 14:52:41,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 14:52:41,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2906 [2020-10-28 14:52:41,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:41,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:41,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:52:41,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:52:41,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 14:52:41,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:41,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:52:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:41,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:41,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:41,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:52:41,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:41,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 14:52:41,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:41,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:41,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:52:41,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:41,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:52:41,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:41,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:52:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:41,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:41,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:41,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:41,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 14:52:41,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:52:41,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-28 14:52:41,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:41,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:41,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:52:41,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:41,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 14:52:41,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:41,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 14:52:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:41,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:41,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:41,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:41,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:41,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:52:41,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:41,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:41,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:52:41,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:41,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:52:41,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:41,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 14:52:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:41,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:41,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:41,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:41,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:41,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 14:52:41,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:41,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:41,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:52:41,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:41,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:52:41,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:41,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:52:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:41,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:41,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:41,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:41,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:41,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 14:52:41,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:41,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:41,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:52:41,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:41,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:52:41,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:41,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-28 14:52:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:41,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:41,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:41,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:41,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:41,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:52:41,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:41,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:41,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:52:41,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:52:41,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:52:41,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:52:41,473 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 14:52:41,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1524158512] [2020-10-28 14:52:41,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:52:41,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 14:52:41,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624953102] [2020-10-28 14:52:41,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 14:52:41,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:52:41,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 14:52:41,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 14:52:41,484 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand 10 states. [2020-10-28 14:52:41,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:52:41,966 INFO L93 Difference]: Finished difference Result 78 states and 90 transitions. [2020-10-28 14:52:41,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 14:52:41,967 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2020-10-28 14:52:41,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:52:41,968 INFO L225 Difference]: With dead ends: 78 [2020-10-28 14:52:41,968 INFO L226 Difference]: Without dead ends: 63 [2020-10-28 14:52:41,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2020-10-28 14:52:41,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-28 14:52:41,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 53. [2020-10-28 14:52:41,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-28 14:52:41,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2020-10-28 14:52:41,981 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 52 [2020-10-28 14:52:41,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:52:41,982 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2020-10-28 14:52:41,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 14:52:41,982 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2020-10-28 14:52:41,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 14:52:41,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:52:41,984 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:52:41,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 14:52:41,984 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:52:41,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:52:41,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1269570534, now seen corresponding path program 1 times [2020-10-28 14:52:41,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:52:41,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1491959224] [2020-10-28 14:52:41,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:52:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:42,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:42,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:42,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:42,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:42,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:43,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:47,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:47,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 14:52:47,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 14:52:47,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 14:52:47,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:47,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:47,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 14:52:47,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 14:52:47,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-28 14:52:47,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:52:47,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:52:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:47,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:47,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:47,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:52:47,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:47,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:52:47,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:47,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:47,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:52:47,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:47,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:52:47,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:47,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:52:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:47,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:47,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:47,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 14:52:47,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:47,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 14:52:47,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:47,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:47,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:52:47,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:47,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 14:52:47,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:47,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 14:52:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:47,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:47,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:47,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:47,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:47,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 14:52:47,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:47,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:47,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:52:47,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:47,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:52:47,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 14:52:47,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 14:52:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:47,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:47,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:47,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:47,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:47,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:52:47,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:47,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:47,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:52:47,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:47,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:52:47,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:47,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:52:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:47,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:47,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:47,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:52:47,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:47,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 14:52:47,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:47,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:47,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:52:47,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:52:47,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:52:47,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:47,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 14:52:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:47,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:47,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:47,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:47,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:47,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:52:47,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:47,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:47,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:52:47,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:52:47,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:52:47,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:52:47,305 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-28 14:52:47,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1491959224] [2020-10-28 14:52:47,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:52:47,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 14:52:47,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837418404] [2020-10-28 14:52:47,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 14:52:47,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:52:47,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 14:52:47,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2020-10-28 14:52:47,308 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand 12 states. [2020-10-28 14:52:47,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:52:47,901 INFO L93 Difference]: Finished difference Result 105 states and 125 transitions. [2020-10-28 14:52:47,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 14:52:47,902 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 53 [2020-10-28 14:52:47,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:52:47,903 INFO L225 Difference]: With dead ends: 105 [2020-10-28 14:52:47,903 INFO L226 Difference]: Without dead ends: 67 [2020-10-28 14:52:47,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2020-10-28 14:52:47,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-28 14:52:47,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 57. [2020-10-28 14:52:47,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-28 14:52:47,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 64 transitions. [2020-10-28 14:52:47,924 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 64 transitions. Word has length 53 [2020-10-28 14:52:47,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:52:47,924 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 64 transitions. [2020-10-28 14:52:47,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 14:52:47,924 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2020-10-28 14:52:47,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-28 14:52:47,928 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:52:47,928 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:52:47,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 14:52:47,928 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:52:47,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:52:47,929 INFO L82 PathProgramCache]: Analyzing trace with hash -933438728, now seen corresponding path program 2 times [2020-10-28 14:52:47,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:52:47,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1232374382] [2020-10-28 14:52:47,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:52:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:47,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:49,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:49,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 14:52:49,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:49,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1044 [2020-10-28 14:52:49,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:49,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:49,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-28 14:52:49,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 14:52:49,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 14:52:49,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:49,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:52:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:49,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:49,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:49,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:52:49,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:49,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:52:49,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:49,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:49,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:52:49,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:49,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:52:49,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:52:49,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:52:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:49,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:49,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:49,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 14:52:49,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:49,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-28 14:52:49,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:49,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-28 14:52:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 14:52:49,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:52:49,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 14:52:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:49,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:49,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:49,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:49,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:49,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 14:52:49,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:49,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:49,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:52:49,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:49,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:52:49,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:49,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 14:52:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:49,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:49,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:49,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:49,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:49,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 14:52:49,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:49,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:49,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 14:52:49,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:52:49,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 14:52:49,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:49,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 14:52:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:49,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:49,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:49,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:49,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:49,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 14:52:49,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:49,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:49,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 14:52:49,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:52:49,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 14:52:49,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:52:50,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 14:52:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:50,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:50,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:50,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:52:50,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:50,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 14:52:50,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:50,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:50,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 14:52:50,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:52:50,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 14:52:50,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:52:50,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 14:52:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:50,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:50,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:50,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:50,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:50,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:52:50,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:50,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:50,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:52:50,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:50,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:52:50,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:50,419 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-28 14:52:50,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1232374382] [2020-10-28 14:52:50,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:52:50,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-28 14:52:50,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875533917] [2020-10-28 14:52:50,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-28 14:52:50,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:52:50,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-28 14:52:50,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=750, Unknown=0, NotChecked=0, Total=812 [2020-10-28 14:52:50,423 INFO L87 Difference]: Start difference. First operand 57 states and 64 transitions. Second operand 29 states. [2020-10-28 14:52:51,325 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-10-28 14:52:52,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:52:52,612 INFO L93 Difference]: Finished difference Result 92 states and 115 transitions. [2020-10-28 14:52:52,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-28 14:52:52,612 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 62 [2020-10-28 14:52:52,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:52:52,614 INFO L225 Difference]: With dead ends: 92 [2020-10-28 14:52:52,614 INFO L226 Difference]: Without dead ends: 88 [2020-10-28 14:52:52,616 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=178, Invalid=1984, Unknown=0, NotChecked=0, Total=2162 [2020-10-28 14:52:52,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-28 14:52:52,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 75. [2020-10-28 14:52:52,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-28 14:52:52,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 90 transitions. [2020-10-28 14:52:52,634 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 90 transitions. Word has length 62 [2020-10-28 14:52:52,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:52:52,634 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 90 transitions. [2020-10-28 14:52:52,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-28 14:52:52,635 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 90 transitions. [2020-10-28 14:52:52,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-28 14:52:52,636 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:52:52,636 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:52:52,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 14:52:52,637 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:52:52,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:52:52,637 INFO L82 PathProgramCache]: Analyzing trace with hash -463444100, now seen corresponding path program 1 times [2020-10-28 14:52:52,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:52:52,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [177186194] [2020-10-28 14:52:52,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:52:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:52,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:52,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:53,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:53,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:56,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:57,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:57,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 14:52:57,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 14:52:57,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 14:52:57,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:57,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:57,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:52:57,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-28 14:52:57,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:52:57,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:52:57,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:52:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:57,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:57,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:57,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:52:57,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:57,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:52:57,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:57,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:57,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:52:57,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:57,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:52:57,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:57,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:52:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:57,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:57,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:57,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 14:52:57,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:57,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 14:52:57,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:57,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:57,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:52:57,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:57,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:52:57,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:52:57,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 14:52:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:57,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:57,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:57,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:57,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:57,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:52:57,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:57,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:57,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:52:57,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:57,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:52:57,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:57,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 14:52:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:57,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:57,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:57,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:57,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:57,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:52:57,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:57,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:52:57,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:57,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:52:57,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:52:57,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 14:52:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:57,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:57,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:57,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:52:57,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:57,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:52:57,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:57,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:57,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:52:57,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:57,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:52:57,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:57,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 14:52:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:57,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:57,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:57,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:52:57,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:57,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:52:57,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:57,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:57,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:52:57,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:52:57,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:52:57,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:57,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 14:52:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:57,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:57,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:52:57,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:52:57,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:52:57,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 14:52:57,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:52:57,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:52:57,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:52:57,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:52:57,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:52:57,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:52:57,919 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-28 14:52:57,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [177186194] [2020-10-28 14:52:57,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:52:57,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 14:52:57,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234134348] [2020-10-28 14:52:57,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 14:52:57,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:52:57,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 14:52:57,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 14:52:57,922 INFO L87 Difference]: Start difference. First operand 75 states and 90 transitions. Second operand 8 states. [2020-10-28 14:52:58,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:52:58,270 INFO L93 Difference]: Finished difference Result 99 states and 119 transitions. [2020-10-28 14:52:58,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 14:52:58,271 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-10-28 14:52:58,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:52:58,273 INFO L225 Difference]: With dead ends: 99 [2020-10-28 14:52:58,273 INFO L226 Difference]: Without dead ends: 81 [2020-10-28 14:52:58,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 14:52:58,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-28 14:52:58,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 77. [2020-10-28 14:52:58,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-28 14:52:58,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 92 transitions. [2020-10-28 14:52:58,291 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 92 transitions. Word has length 63 [2020-10-28 14:52:58,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:52:58,292 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 92 transitions. [2020-10-28 14:52:58,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 14:52:58,292 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 92 transitions. [2020-10-28 14:52:58,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-28 14:52:58,296 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:52:58,296 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:52:58,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 14:52:58,297 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:52:58,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:52:58,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1834956134, now seen corresponding path program 3 times [2020-10-28 14:52:58,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:52:58,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1434329799] [2020-10-28 14:52:58,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:52:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:52:58,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:58,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:58,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:58,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:52:59,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:03,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:03,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 14:53:03,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 14:53:03,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4855 [2020-10-28 14:53:03,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:03,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:03,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:53:03,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:53:03,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 14:53:03,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:03,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:53:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:03,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:03,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:03,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:53:03,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:03,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:53:03,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:03,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:53:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:53:03,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:03,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:53:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:03,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:03,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:03,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:03,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 14:53:03,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:53:03,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-28 14:53:03,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:03,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:03,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:53:03,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:03,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 14:53:03,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:03,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 14:53:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:03,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:03,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:03,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:03,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:03,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:53:03,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:03,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:03,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:53:03,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:03,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:53:03,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:03,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 14:53:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:03,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:03,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:03,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:03,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:03,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:53:03,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:03,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:03,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:53:03,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:03,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:53:03,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:03,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 14:53:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:03,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:03,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:03,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:03,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:03,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:53:03,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:03,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:03,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:53:03,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:03,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:53:03,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:03,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 14:53:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:03,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:03,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:03,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 14:53:03,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:03,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 14:53:03,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:03,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:03,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:53:03,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:53:03,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 14:53:03,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:03,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 14:53:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:03,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:03,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:03,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:03,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:03,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:53:03,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:03,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:03,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:53:03,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:53:03,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:53:03,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:03,508 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-28 14:53:03,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1434329799] [2020-10-28 14:53:03,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:53:03,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 14:53:03,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043144543] [2020-10-28 14:53:03,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 14:53:03,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:53:03,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 14:53:03,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 14:53:03,510 INFO L87 Difference]: Start difference. First operand 77 states and 92 transitions. Second operand 10 states. [2020-10-28 14:53:04,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:53:04,142 INFO L93 Difference]: Finished difference Result 116 states and 138 transitions. [2020-10-28 14:53:04,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 14:53:04,142 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2020-10-28 14:53:04,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:53:04,144 INFO L225 Difference]: With dead ends: 116 [2020-10-28 14:53:04,144 INFO L226 Difference]: Without dead ends: 73 [2020-10-28 14:53:04,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2020-10-28 14:53:04,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-28 14:53:04,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-10-28 14:53:04,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-28 14:53:04,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 85 transitions. [2020-10-28 14:53:04,158 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 85 transitions. Word has length 63 [2020-10-28 14:53:04,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:53:04,159 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 85 transitions. [2020-10-28 14:53:04,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 14:53:04,159 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 85 transitions. [2020-10-28 14:53:04,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-28 14:53:04,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:53:04,160 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:53:04,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 14:53:04,161 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:53:04,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:53:04,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1409337106, now seen corresponding path program 4 times [2020-10-28 14:53:04,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:53:04,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [309297136] [2020-10-28 14:53:04,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:53:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:04,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:04,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:04,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:04,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:06,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:06,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:06,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:07,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:09,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:09,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-28 14:53:09,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 14:53:09,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 14:53:09,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:09,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:09,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:53:09,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:53:09,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 14:53:09,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:09,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:53:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:09,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:09,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:09,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:53:09,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:09,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:53:09,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:09,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:09,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:53:09,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:09,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:53:09,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:09,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:53:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:09,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:09,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:09,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:09,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 14:53:09,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:53:09,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-28 14:53:09,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:09,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:53:09,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:09,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 14:53:09,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:09,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 14:53:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:09,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:09,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:09,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:09,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:09,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:53:09,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:09,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:09,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:53:09,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:09,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:53:09,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:09,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 14:53:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:09,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:09,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:09,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:09,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:09,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:53:09,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:09,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:09,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:53:09,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:09,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:53:09,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:09,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 14:53:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:09,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:09,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:09,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:09,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:09,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:53:09,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:09,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:09,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:53:09,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:09,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:53:09,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:09,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 14:53:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:09,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:09,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:09,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:09,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:09,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:53:09,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:09,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:09,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:53:09,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:09,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:53:09,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:09,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 14:53:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:09,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:09,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:09,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:53:09,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:09,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:53:09,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:09,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:09,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:53:09,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 14:53:09,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:53:09,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:09,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 14:53:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:09,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:09,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:09,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:09,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:09,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:53:09,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:09,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:09,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:53:09,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:53:09,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:53:09,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:09,486 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-28 14:53:09,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [309297136] [2020-10-28 14:53:09,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:53:09,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 14:53:09,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112433929] [2020-10-28 14:53:09,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 14:53:09,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:53:09,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 14:53:09,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-28 14:53:09,488 INFO L87 Difference]: Start difference. First operand 73 states and 85 transitions. Second operand 9 states. [2020-10-28 14:53:09,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:53:09,859 INFO L93 Difference]: Finished difference Result 104 states and 117 transitions. [2020-10-28 14:53:09,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 14:53:09,860 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-10-28 14:53:09,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:53:09,861 INFO L225 Difference]: With dead ends: 104 [2020-10-28 14:53:09,861 INFO L226 Difference]: Without dead ends: 65 [2020-10-28 14:53:09,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-10-28 14:53:09,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-28 14:53:09,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-28 14:53:09,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-28 14:53:09,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2020-10-28 14:53:09,874 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 70 [2020-10-28 14:53:09,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:53:09,874 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2020-10-28 14:53:09,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 14:53:09,874 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2020-10-28 14:53:09,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-28 14:53:09,875 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:53:09,875 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:53:09,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 14:53:09,876 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:53:09,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:53:09,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1699096995, now seen corresponding path program 1 times [2020-10-28 14:53:09,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:53:09,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480658175] [2020-10-28 14:53:09,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:53:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:09,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:09,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:09,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:10,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:10,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:11,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:11,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:11,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:14,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:14,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-28 14:53:14,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 14:53:14,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4374 [2020-10-28 14:53:14,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:14,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:14,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:53:14,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-28 14:53:14,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 14:53:14,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:14,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:53:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:14,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:14,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:14,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:53:14,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:14,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:53:14,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:14,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:14,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:53:14,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:14,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:53:14,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:14,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:53:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:14,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:14,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:14,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 14:53:14,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:14,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 14:53:14,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:14,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:14,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:53:14,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:14,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:53:14,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:14,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 14:53:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:14,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:14,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:14,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:14,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:14,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:53:14,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:14,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:14,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:53:14,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:14,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:53:14,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:14,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 14:53:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:14,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:14,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:14,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:14,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:14,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:53:14,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:14,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:14,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:53:14,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:14,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:53:14,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:14,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 14:53:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:14,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:14,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:14,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:14,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:14,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:53:14,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:14,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:53:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:53:14,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:14,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 14:53:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:14,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:14,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:14,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:53:14,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:14,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:53:14,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:14,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:14,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:53:14,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:14,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:53:14,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:14,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 14:53:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:14,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:14,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:14,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:14,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:14,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:53:14,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:14,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:14,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:53:14,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:14,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:53:14,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:14,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:53:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:14,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:14,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:14,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:14,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:14,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:53:14,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:14,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:14,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:53:14,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:53:14,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:53:14,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:14,482 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-28 14:53:14,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480658175] [2020-10-28 14:53:14,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:53:14,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 14:53:14,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237767456] [2020-10-28 14:53:14,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 14:53:14,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:53:14,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 14:53:14,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-28 14:53:14,484 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand 9 states. [2020-10-28 14:53:14,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:53:14,825 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions. [2020-10-28 14:53:14,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 14:53:14,825 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2020-10-28 14:53:14,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:53:14,826 INFO L225 Difference]: With dead ends: 71 [2020-10-28 14:53:14,826 INFO L226 Difference]: Without dead ends: 65 [2020-10-28 14:53:14,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-28 14:53:14,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-28 14:53:14,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-28 14:53:14,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-28 14:53:14,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2020-10-28 14:53:14,838 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 72 [2020-10-28 14:53:14,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:53:14,839 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2020-10-28 14:53:14,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 14:53:14,839 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2020-10-28 14:53:14,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-28 14:53:14,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:53:14,840 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:53:14,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 14:53:14,840 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:53:14,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:53:14,841 INFO L82 PathProgramCache]: Analyzing trace with hash -459215311, now seen corresponding path program 1 times [2020-10-28 14:53:14,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:53:14,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1978120819] [2020-10-28 14:53:14,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:53:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:14,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:15,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:15,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:15,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:16,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:17,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:17,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:18,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:18,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:18,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:19,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:19,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-28 14:53:19,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 14:53:19,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 14:53:19,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:19,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:19,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-28 14:53:19,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:53:19,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 14:53:19,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:20,226 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2020-10-28 14:53:20,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:53:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:20,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:20,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:20,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:53:20,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:20,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:53:20,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:20,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:20,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:53:20,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:20,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:53:20,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:20,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:53:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:20,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:21,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:21,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 14:53:21,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:21,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-28 14:53:21,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:21,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:21,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-28 14:53:21,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:21,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 14:53:21,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:21,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 14:53:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:21,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:21,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:21,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:21,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:21,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 14:53:21,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:21,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:21,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:53:21,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:21,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:53:21,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:21,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 14:53:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:21,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:21,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:21,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:21,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:21,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 14:53:21,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:21,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:53:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:53:21,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:21,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 14:53:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:21,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:21,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:21,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:21,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:21,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 14:53:21,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:21,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:21,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:53:21,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:53:21,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 14:53:21,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:21,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 14:53:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:21,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:21,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:21,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:53:21,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:21,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-28 14:53:21,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:21,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:21,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 14:53:21,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:53:21,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 14:53:21,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:22,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 14:53:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:22,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:22,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:22,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:22,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:22,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 14:53:22,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:22,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:22,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:53:22,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:22,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:53:22,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:22,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:53:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:22,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:22,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:22,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:53:22,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:22,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 14:53:22,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:22,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:22,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 14:53:22,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:22,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 14:53:22,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:22,810 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 14:53:22,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1978120819] [2020-10-28 14:53:22,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:53:22,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-28 14:53:22,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839530168] [2020-10-28 14:53:22,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-28 14:53:22,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:53:22,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-28 14:53:22,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1247, Unknown=0, NotChecked=0, Total=1332 [2020-10-28 14:53:22,814 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 37 states. [2020-10-28 14:53:24,054 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 39 [2020-10-28 14:53:24,281 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2020-10-28 14:53:24,503 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-10-28 14:53:25,047 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2020-10-28 14:53:25,437 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-10-28 14:53:26,209 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-10-28 14:53:26,526 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2020-10-28 14:53:27,558 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2020-10-28 14:53:27,911 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2020-10-28 14:53:28,136 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-10-28 14:53:28,362 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-10-28 14:53:28,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:53:28,500 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2020-10-28 14:53:28,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-28 14:53:28,501 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 73 [2020-10-28 14:53:28,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:53:28,502 INFO L225 Difference]: With dead ends: 75 [2020-10-28 14:53:28,502 INFO L226 Difference]: Without dead ends: 66 [2020-10-28 14:53:28,504 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 677 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=341, Invalid=3949, Unknown=0, NotChecked=0, Total=4290 [2020-10-28 14:53:28,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-28 14:53:28,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-10-28 14:53:28,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-28 14:53:28,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2020-10-28 14:53:28,520 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 73 [2020-10-28 14:53:28,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:53:28,520 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2020-10-28 14:53:28,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-28 14:53:28,520 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2020-10-28 14:53:28,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-28 14:53:28,521 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:53:28,522 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:53:28,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 14:53:28,522 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:53:28,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:53:28,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1352579939, now seen corresponding path program 2 times [2020-10-28 14:53:28,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:53:28,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1144032646] [2020-10-28 14:53:28,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:53:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:28,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:28,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:28,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:28,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:28,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:28,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:29,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:33,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:33,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-28 14:53:33,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 14:53:33,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 14:53:33,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:33,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:33,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:53:33,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:53:33,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 14:53:33,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:33,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:53:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:33,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:33,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:33,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:53:33,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:33,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:53:33,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:33,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:53:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:53:33,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:33,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:53:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:33,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:33,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:33,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:33,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 14:53:33,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:53:33,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-28 14:53:33,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:33,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:33,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:53:33,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:33,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 14:53:33,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:33,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 14:53:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:33,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:33,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:33,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:33,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:33,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:53:33,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:33,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:33,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:53:33,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:33,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:53:33,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:33,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 14:53:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:33,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:33,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:33,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:33,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:33,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:53:33,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:33,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:33,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:53:33,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:33,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:53:33,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:53:33,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 14:53:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:33,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:33,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:33,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:33,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:33,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:53:33,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:33,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:33,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:53:33,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:33,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:53:33,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:33,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 14:53:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:33,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:33,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:33,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:53:33,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:33,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:53:33,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:33,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:33,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:53:33,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:33,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:53:33,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:33,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 14:53:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:33,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:33,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:33,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:53:33,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:33,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:53:33,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:33,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:33,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:53:33,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:53:33,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:53:33,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:33,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:53:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:53:33,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:53:33,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:53:33,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 14:53:33,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:53:33,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 14:53:33,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:53:33,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:53:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:53:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:53:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 14:53:33,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:53:33,870 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-28 14:53:33,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1144032646] [2020-10-28 14:53:33,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:53:33,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 14:53:33,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140105605] [2020-10-28 14:53:33,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 14:53:33,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:53:33,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 14:53:33,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 14:53:33,874 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand 10 states. [2020-10-28 14:53:34,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:53:34,346 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2020-10-28 14:53:34,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 14:53:34,347 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 74 [2020-10-28 14:53:34,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:53:34,348 INFO L225 Difference]: With dead ends: 66 [2020-10-28 14:53:34,348 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 14:53:34,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2020-10-28 14:53:34,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 14:53:34,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 14:53:34,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 14:53:34,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 14:53:34,351 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-10-28 14:53:34,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:53:34,351 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 14:53:34,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 14:53:34,351 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 14:53:34,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 14:53:34,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 14:53:34,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 14:53:34,822 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 45 [2020-10-28 14:53:35,080 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 43 [2020-10-28 14:53:35,275 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2020-10-28 14:53:35,549 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 51 [2020-10-28 14:53:35,807 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2020-10-28 14:53:36,001 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2020-10-28 14:53:36,267 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 45 [2020-10-28 14:53:36,448 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-10-28 14:53:36,448 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-28 14:53:36,448 INFO L274 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-10-28 14:53:36,448 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-28 14:53:36,448 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-28 14:53:36,448 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 14:53:36,449 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string1.offset)| |#t~string1.offset|) (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:53:36,449 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 14:53:36,449 INFO L277 CegarLoopResult]: At program point myexitENTRY(lines 571 573) the Hoare annotation is: true [2020-10-28 14:53:36,449 INFO L277 CegarLoopResult]: At program point L572(line 572) the Hoare annotation is: true [2020-10-28 14:53:36,449 INFO L274 CegarLoopResult]: For program point myexitEXIT(lines 571 573) no Hoare annotation was computed. [2020-10-28 14:53:36,449 INFO L277 CegarLoopResult]: At program point L593-2(lines 593 597) the Hoare annotation is: true [2020-10-28 14:53:36,449 INFO L274 CegarLoopResult]: For program point L593-3(lines 592 598) no Hoare annotation was computed. [2020-10-28 14:53:36,450 INFO L274 CegarLoopResult]: For program point sll_destroyEXIT(lines 592 598) no Hoare annotation was computed. [2020-10-28 14:53:36,450 INFO L270 CegarLoopResult]: At program point sll_destroyENTRY(lines 592 598) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-28 14:53:36,450 INFO L270 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse3 (= |sll_update_at_#in~index| sll_update_at_~index))) (and (let ((.cse0 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse1 (= |#memory_int| |old(#memory_int)|)) (.cse2 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (or (and .cse0 .cse1 (<= 1 |sll_update_at_#in~index|) .cse2) (and .cse0 .cse1 .cse3 .cse2))) (let ((.cse5 (= sll_update_at_~data |sll_update_at_#in~data|)) (.cse4 (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|))) (or (and .cse4 (<= 2 |sll_update_at_#in~index|)) (and (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) .cse3 (or (and (= |sll_update_at_#in~head.base| sll_update_at_~head.base) .cse5) (= sll_update_at_~head.offset 4))) (let ((.cse6 (not (= |sll_update_at_#in~head.offset| 0)))) (and (or .cse6 (and (= sll_update_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) 4)) .cse5)) (or .cse6 (= sll_update_at_~head.base (select (select |old(#memory_$Pointer$.base)| |sll_update_at_#in~head.base|) 4))) .cse4)))))) [2020-10-28 14:53:36,450 INFO L274 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-10-28 14:53:36,451 INFO L274 CegarLoopResult]: For program point sll_update_atFINAL(lines 606 612) no Hoare annotation was computed. [2020-10-28 14:53:36,451 INFO L274 CegarLoopResult]: For program point sll_update_atEXIT(lines 606 612) no Hoare annotation was computed. [2020-10-28 14:53:36,451 INFO L270 CegarLoopResult]: At program point sll_update_atENTRY(lines 606 612) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-28 14:53:36,451 INFO L274 CegarLoopResult]: For program point __bswap_32ENTRY(lines 74 78) no Hoare annotation was computed. [2020-10-28 14:53:36,451 INFO L274 CegarLoopResult]: For program point __bswap_32FINAL(lines 74 78) no Hoare annotation was computed. [2020-10-28 14:53:36,451 INFO L274 CegarLoopResult]: For program point __bswap_32EXIT(lines 74 78) no Hoare annotation was computed. [2020-10-28 14:53:36,451 INFO L274 CegarLoopResult]: For program point sll_createEXIT(lines 583 591) no Hoare annotation was computed. [2020-10-28 14:53:36,451 INFO L270 CegarLoopResult]: At program point sll_createENTRY(lines 583 591) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:53:36,452 INFO L270 CegarLoopResult]: At program point L586(line 586) the Hoare annotation is: (let ((.cse0 (= |sll_create_#in~data| sll_create_~data)) (.cse1 (= sll_create_~head~0.offset 0))) (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) .cse0 (= |sll_create_#in~len| sll_create_~len) .cse1 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (and .cse0 (= |sll_create_#in~data| (select (select |#memory_int| sll_create_~head~0.base) sll_create_~head~0.offset)) (= (select |#valid| sll_create_~head~0.base) 1) .cse1 (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) sll_create_~head~0.offset)))) [2020-10-28 14:53:36,452 INFO L274 CegarLoopResult]: For program point L586-1(line 586) no Hoare annotation was computed. [2020-10-28 14:53:36,452 INFO L274 CegarLoopResult]: For program point L585-2(lines 585 589) no Hoare annotation was computed. [2020-10-28 14:53:36,452 INFO L270 CegarLoopResult]: At program point L585-3(lines 585 589) the Hoare annotation is: (let ((.cse0 (= |sll_create_#in~data| sll_create_~data)) (.cse1 (= |sll_create_#in~data| (select (select |#memory_int| sll_create_~head~0.base) sll_create_~head~0.offset))) (.cse2 (= (select |#valid| sll_create_~head~0.base) 1)) (.cse3 (= sll_create_~head~0.offset 0)) (.cse4 (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) sll_create_~head~0.offset))) (or (and (= |sll_create_#in~len| (+ sll_create_~len 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) .cse0 (= |sll_create_#in~len| sll_create_~len) .cse3 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (and (not (= sll_create_~head~0.base (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4))) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-10-28 14:53:36,452 INFO L274 CegarLoopResult]: For program point L585-4(lines 585 589) no Hoare annotation was computed. [2020-10-28 14:53:36,452 INFO L274 CegarLoopResult]: For program point sll_createFINAL(lines 583 591) no Hoare annotation was computed. [2020-10-28 14:53:36,452 INFO L274 CegarLoopResult]: For program point __bswap_64ENTRY(lines 79 83) no Hoare annotation was computed. [2020-10-28 14:53:36,452 INFO L274 CegarLoopResult]: For program point __bswap_64FINAL(lines 79 83) no Hoare annotation was computed. [2020-10-28 14:53:36,453 INFO L274 CegarLoopResult]: For program point __bswap_64EXIT(lines 79 83) no Hoare annotation was computed. [2020-10-28 14:53:36,453 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 14:53:36,453 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-28 14:53:36,453 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 14:53:36,453 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 14:53:36,453 INFO L277 CegarLoopResult]: At program point sll_get_data_atENTRY(lines 599 605) the Hoare annotation is: true [2020-10-28 14:53:36,453 INFO L274 CegarLoopResult]: For program point sll_get_data_atFINAL(lines 599 605) no Hoare annotation was computed. [2020-10-28 14:53:36,453 INFO L270 CegarLoopResult]: At program point L600-2(lines 600 603) the Hoare annotation is: (let ((.cse0 (<= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|))) (or (and .cse0 (<= 2 |sll_get_data_at_#in~index|)) (and (<= |sll_get_data_at_#in~index| sll_get_data_at_~index) (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (<= sll_get_data_at_~index |sll_get_data_at_#in~index|) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|)) (and .cse0 (or (and (= sll_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) 4)) (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) 4))) (not (= |sll_get_data_at_#in~head.offset| 0))) (<= 1 |sll_get_data_at_#in~index|)))) [2020-10-28 14:53:36,454 INFO L274 CegarLoopResult]: For program point L600-3(lines 600 603) no Hoare annotation was computed. [2020-10-28 14:53:36,454 INFO L274 CegarLoopResult]: For program point sll_get_data_atEXIT(lines 599 605) no Hoare annotation was computed. [2020-10-28 14:53:36,454 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 613 632) no Hoare annotation was computed. [2020-10-28 14:53:36,454 INFO L274 CegarLoopResult]: For program point L630(line 630) no Hoare annotation was computed. [2020-10-28 14:53:36,454 INFO L274 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-10-28 14:53:36,454 INFO L270 CegarLoopResult]: At program point L624(line 624) the Hoare annotation is: (let ((.cse3 (+ main_~i~0 1))) (let ((.cse1 (<= 2 main_~len~0)) (.cse2 (<= .cse3 main_~len~0)) (.cse4 (= main_~data~0 1)) (.cse0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4))) (.cse5 (= main_~s~0.offset 0))) (or (and (= .cse0 (+ main_~i~0 main_~len~0)) .cse1 .cse2 (<= main_~len~0 .cse3) .cse4 .cse5 (= .cse0 main_~expected~0) (<= main_~i~0 1)) (let ((.cse6 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (and .cse1 .cse2 (= main_~i~0 0) (= .cse6 main_~expected~0) (= main_~len~0 .cse6) (<= main_~len~0 (+ main_~i~0 2)) .cse4 (= (+ .cse0 1) (* main_~len~0 2)) .cse5))))) [2020-10-28 14:53:36,454 INFO L274 CegarLoopResult]: For program point L624-1(line 624) no Hoare annotation was computed. [2020-10-28 14:53:36,454 INFO L274 CegarLoopResult]: For program point L624-2(lines 624 626) no Hoare annotation was computed. [2020-10-28 14:53:36,454 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 613 632) no Hoare annotation was computed. [2020-10-28 14:53:36,455 INFO L270 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (let ((.cse0 (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) 4) main_~s~0.base))) (.cse2 (<= 2 main_~len~0)) (.cse1 (= (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4) main_~s~0.offset)) (.cse3 (<= (+ main_~i~0 main_~len~0) main_~new_data~0)) (.cse4 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse5 (= main_~data~0 1)) (.cse6 (= main_~s~0.offset 0))) (or (and .cse0 .cse1 .cse2 (= main_~len~0 main_~new_data~0) .cse3 (= .cse4 1) (<= main_~len~0 (+ main_~i~0 2)) .cse5 .cse6) (and .cse0 .cse2 .cse1 (<= main_~len~0 (+ main_~i~0 1)) .cse3 (= main_~len~0 .cse4) (<= main_~new_data~0 (+ main_~len~0 1)) .cse5 .cse6))) [2020-10-28 14:53:36,455 INFO L274 CegarLoopResult]: For program point L622-2(lines 622 627) no Hoare annotation was computed. [2020-10-28 14:53:36,455 INFO L274 CegarLoopResult]: For program point L620-1(lines 618 621) no Hoare annotation was computed. [2020-10-28 14:53:36,455 INFO L270 CegarLoopResult]: At program point L622-3(lines 622 627) the Hoare annotation is: (let ((.cse0 (<= main_~len~0 2)) (.cse1 (<= 2 main_~len~0)) (.cse3 (= main_~data~0 1)) (.cse2 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4))) (.cse4 (= main_~s~0.offset 0))) (or (and .cse0 .cse1 (<= main_~len~0 main_~i~0)) (and (= .cse2 (+ main_~i~0 main_~len~0)) .cse0 .cse1 (<= main_~len~0 (+ main_~i~0 1)) .cse3 .cse4) (and (= main_~i~0 0) .cse1 (= main_~len~0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (<= main_~len~0 (+ main_~i~0 2)) .cse3 (= (+ .cse2 1) (* main_~len~0 2)) .cse4))) [2020-10-28 14:53:36,455 INFO L270 CegarLoopResult]: At program point L622-4(lines 622 627) the Hoare annotation is: (<= 2 main_~len~0) [2020-10-28 14:53:36,455 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= main_~len~0 2) (= |old(#length)| |#length|) (<= 2 main_~len~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= main_~data~0 1) (= |old(#valid)| |#valid|)) [2020-10-28 14:53:36,456 INFO L270 CegarLoopResult]: At program point L618-2(lines 618 621) the Hoare annotation is: (let ((.cse4 (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4)) (.cse3 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4)) (.cse8 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (let ((.cse1 (= main_~len~0 .cse8)) (.cse6 (not (= .cse3 main_~s~0.base))) (.cse0 (<= main_~len~0 2)) (.cse7 (= .cse4 main_~s~0.offset)) (.cse2 (= main_~data~0 1)) (.cse5 (= main_~s~0.offset 0))) (or (and .cse0 (<= 2 main_~len~0) (<= main_~len~0 main_~i~0) .cse1 .cse2 (= (+ (select (select |#memory_int| .cse3) .cse4) 1) (* main_~len~0 2)) .cse5) (and .cse6 .cse0 (<= (+ main_~i~0 1) main_~len~0) .cse7 (<= 1 main_~i~0) (= main_~len~0 main_~new_data~0) .cse1 .cse2 .cse5) (and .cse6 .cse0 .cse7 (<= (+ main_~i~0 2) main_~len~0) (<= 0 main_~i~0) (= .cse8 1) .cse2 .cse5)))) [2020-10-28 14:53:36,456 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-28 14:53:36,456 INFO L274 CegarLoopResult]: For program point L618-3(lines 618 621) no Hoare annotation was computed. [2020-10-28 14:53:36,456 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 613 632) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:53:36,456 INFO L270 CegarLoopResult]: At program point L625(lines 613 632) the Hoare annotation is: false [2020-10-28 14:53:36,456 INFO L277 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: true [2020-10-28 14:53:36,456 INFO L274 CegarLoopResult]: For program point L576(lines 576 578) no Hoare annotation was computed. [2020-10-28 14:53:36,456 INFO L274 CegarLoopResult]: For program point L576-1(lines 576 578) no Hoare annotation was computed. [2020-10-28 14:53:36,456 INFO L270 CegarLoopResult]: At program point node_createENTRY(lines 574 582) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:53:36,457 INFO L274 CegarLoopResult]: For program point node_createFINAL(lines 574 582) no Hoare annotation was computed. [2020-10-28 14:53:36,457 INFO L274 CegarLoopResult]: For program point node_createEXIT(lines 574 582) no Hoare annotation was computed. [2020-10-28 14:53:36,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,476 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,477 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,482 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,484 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,484 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,484 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,484 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,484 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,493 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,494 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,508 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,509 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,509 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,509 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,510 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,510 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,515 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,515 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,515 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,516 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,516 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,523 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,523 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,524 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,524 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,529 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,529 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,530 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-28 14:53:36,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-28 14:53:36,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,534 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,538 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,538 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,538 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,538 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,538 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,539 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,539 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,539 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,539 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,539 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-28 14:53:36,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-28 14:53:36,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,541 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,541 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,542 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,543 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,543 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,543 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,543 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,544 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,544 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,544 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,544 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,544 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,544 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,545 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,545 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,545 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,545 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 02:53:36 BoogieIcfgContainer [2020-10-28 14:53:36,550 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 14:53:36,555 INFO L168 Benchmark]: Toolchain (without parser) took 69966.79 ms. Allocated memory was 151.0 MB in the beginning and 784.3 MB in the end (delta: 633.3 MB). Free memory was 124.8 MB in the beginning and 623.3 MB in the end (delta: -498.4 MB). Peak memory consumption was 465.2 MB. Max. memory is 8.0 GB. [2020-10-28 14:53:36,556 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 151.0 MB. Free memory was 123.4 MB in the beginning and 123.3 MB in the end (delta: 114.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 14:53:36,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.46 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 101.5 MB in the end (delta: 22.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-10-28 14:53:36,566 INFO L168 Benchmark]: Boogie Preprocessor took 81.94 ms. Allocated memory is still 151.0 MB. Free memory was 101.5 MB in the beginning and 133.2 MB in the end (delta: -31.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-28 14:53:36,566 INFO L168 Benchmark]: RCFGBuilder took 669.84 ms. Allocated memory is still 151.0 MB. Free memory was 132.7 MB in the beginning and 88.1 MB in the end (delta: 44.6 MB). Peak memory consumption was 44.0 MB. Max. memory is 8.0 GB. [2020-10-28 14:53:36,568 INFO L168 Benchmark]: TraceAbstraction took 68512.72 ms. Allocated memory was 151.0 MB in the beginning and 784.3 MB in the end (delta: 633.3 MB). Free memory was 87.6 MB in the beginning and 623.3 MB in the end (delta: -535.7 MB). Peak memory consumption was 427.5 MB. Max. memory is 8.0 GB. [2020-10-28 14:53:36,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 151.0 MB. Free memory was 123.4 MB in the beginning and 123.3 MB in the end (delta: 114.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 689.46 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 101.5 MB in the end (delta: 22.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 81.94 ms. Allocated memory is still 151.0 MB. Free memory was 101.5 MB in the beginning and 133.2 MB in the end (delta: -31.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 669.84 ms. Allocated memory is still 151.0 MB. Free memory was 132.7 MB in the beginning and 88.1 MB in the end (delta: 44.6 MB). Peak memory consumption was 44.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 68512.72 ms. Allocated memory was 151.0 MB in the beginning and 784.3 MB in the end (delta: 633.3 MB). Free memory was 87.6 MB in the beginning and 623.3 MB in the end (delta: -535.7 MB). Peak memory consumption was 427.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant [2020-10-28 14:53:36,599 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,599 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((index + 1 <= \old(index) && 2 <= \old(index)) || (((\old(index) <= index && head == head) && index <= \old(index)) && head == head)) || ((index + 1 <= \old(index) && ((head == #memory_$Pointer$[head][4] && head == #memory_$Pointer$[head][4]) || !(head == 0))) && 1 <= \old(index)) - InvariantResult [Line: 607]: Loop Invariant [2020-10-28 14:53:36,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,602 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,602 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,610 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,616 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,616 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,616 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,616 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || (((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && \old(index) == index) && #memory_$Pointer$ == \old(#memory_$Pointer$))) && (((index + 1 <= \old(index) && 2 <= \old(index)) || ((head == head && \old(index) == index) && ((head == head && data == \old(data)) || head == 4))) || (((!(head == 0) || (head == #memory_$Pointer$[head][4] && data == \old(data))) && (!(head == 0) || head == \old(#memory_$Pointer$)[head][4])) && index + 1 <= \old(index))) - InvariantResult [Line: 618]: Loop Invariant [2020-10-28 14:53:36,619 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,620 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,620 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,620 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,620 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,621 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,623 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,626 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,626 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,627 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,627 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,627 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,629 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((len <= 2 && 2 <= len) && len <= i) && len == unknown-#memory_int-unknown[s][s]) && data == 1) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] + 1 == len * 2) && s == 0) || ((((((((!(#memory_$Pointer$[s][4] == s) && len <= 2) && i + 1 <= len) && #memory_$Pointer$[s][4] == s) && 1 <= i) && len == new_data) && len == unknown-#memory_int-unknown[s][s]) && data == 1) && s == 0)) || (((((((!(#memory_$Pointer$[s][4] == s) && len <= 2) && #memory_$Pointer$[s][4] == s) && i + 2 <= len) && 0 <= i) && unknown-#memory_int-unknown[s][s] == 1) && data == 1) && s == 0) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant [2020-10-28 14:53:36,629 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,633 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,633 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,633 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-28 14:53:36,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-28 14:53:36,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,636 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,637 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,637 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,637 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,637 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,637 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,637 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-28 14:53:36,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-28 14:53:36,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((\old(len) == len + 1 && \old(data) == data) && \old(data) == unknown-#memory_int-unknown[head][head]) && \valid[head] == 1) && head == 0) && #memory_$Pointer$[head][4] == head) || (((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(unknown-#length-unknown) == unknown-#length-unknown) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && \old(data) == data) && \old(len) == len) && head == 0) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) || (((((!(head == #memory_$Pointer$[head][4]) && \old(data) == data) && \old(data) == unknown-#memory_int-unknown[head][head]) && \valid[head] == 1) && head == 0) && #memory_$Pointer$[head][4] == head) - InvariantResult [Line: 622]: Loop Invariant [2020-10-28 14:53:36,640 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,640 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,640 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,640 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,641 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,641 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,642 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:53:36,642 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:53:36,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:53:36,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:53:36,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((len <= 2 && 2 <= len) && len <= i) || (((((unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] == i + len && len <= 2) && 2 <= len) && len <= i + 1) && data == 1) && s == 0)) || ((((((i == 0 && 2 <= len) && len == unknown-#memory_int-unknown[s][s]) && len <= i + 2) && data == 1) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] + 1 == len * 2) && s == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 66.2s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 459 SDtfs, 734 SDslu, 1653 SDs, 0 SdLazy, 4557 SolverSat, 533 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 376 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1044 ImplicationChecksByTransitivity, 10.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=7, 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, 12 MinimizatonAttempts, 81 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 80 PreInvPairs, 121 NumberOfFragments, 829 HoareAnnotationTreeSize, 80 FomulaSimplifications, 13897 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 25 FomulaSimplificationsInter, 1547 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 52.6s InterpolantComputationTime, 688 NumberOfCodeBlocks, 688 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 676 ConstructedInterpolants, 0 QuantifiedInterpolants, 246892 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 187/244 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...