/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/dll2n_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 14:48:25,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 14:48:25,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 14:48:25,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 14:48:25,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 14:48:25,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 14:48:25,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 14:48:25,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 14:48:25,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 14:48:25,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 14:48:25,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 14:48:25,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 14:48:25,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 14:48:25,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 14:48:25,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 14:48:25,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 14:48:25,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 14:48:25,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 14:48:25,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 14:48:25,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 14:48:25,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 14:48:25,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 14:48:25,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 14:48:25,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 14:48:25,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 14:48:25,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 14:48:25,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 14:48:25,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 14:48:25,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 14:48:25,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 14:48:25,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 14:48:25,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 14:48:25,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 14:48:25,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 14:48:25,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 14:48:25,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 14:48:25,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 14:48:25,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 14:48:25,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 14:48:25,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 14:48:25,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 14:48:25,541 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 14:48:25,571 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 14:48:25,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 14:48:25,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 14:48:25,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 14:48:25,573 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 14:48:25,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 14:48:25,574 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 14:48:25,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 14:48:25,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 14:48:25,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 14:48:25,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 14:48:25,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 14:48:25,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 14:48:25,575 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 14:48:25,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 14:48:25,575 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 14:48:25,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 14:48:25,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 14:48:25,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 14:48:25,576 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 14:48:25,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 14:48:25,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 14:48:25,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 14:48:25,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 14:48:25,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 14:48:25,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 14:48:25,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 14:48:25,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 14:48:25,578 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 14:48:25,578 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 14:48:26,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 14:48:26,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 14:48:26,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 14:48:26,102 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 14:48:26,103 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 14:48:26,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i [2020-10-28 14:48:26,193 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ff0f8c437/480abd6323df4f23bafa08e0f913c366/FLAG8eac281c4 [2020-10-28 14:48:27,037 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 14:48:27,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/dll2n_update_all.i [2020-10-28 14:48:27,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ff0f8c437/480abd6323df4f23bafa08e0f913c366/FLAG8eac281c4 [2020-10-28 14:48:27,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ff0f8c437/480abd6323df4f23bafa08e0f913c366 [2020-10-28 14:48:27,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 14:48:27,301 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 14:48:27,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 14:48:27,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 14:48:27,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 14:48:27,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:48:27" (1/1) ... [2020-10-28 14:48:27,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1915b79e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:27, skipping insertion in model container [2020-10-28 14:48:27,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:48:27" (1/1) ... [2020-10-28 14:48:27,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 14:48:27,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 14:48:27,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:48:27,780 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 14:48:27,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:48:27,894 INFO L208 MainTranslator]: Completed translation [2020-10-28 14:48:27,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:27 WrapperNode [2020-10-28 14:48:27,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 14:48:27,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 14:48:27,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 14:48:27,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 14:48:27,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:27" (1/1) ... [2020-10-28 14:48:27,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:27" (1/1) ... [2020-10-28 14:48:27,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:27" (1/1) ... [2020-10-28 14:48:27,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:27" (1/1) ... [2020-10-28 14:48:27,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:27" (1/1) ... [2020-10-28 14:48:27,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:27" (1/1) ... [2020-10-28 14:48:27,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:27" (1/1) ... [2020-10-28 14:48:27,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 14:48:27,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 14:48:27,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 14:48:27,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 14:48:27,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:27" (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 14:48:28,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 14:48:28,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 14:48:28,096 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 14:48:28,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-28 14:48:28,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-28 14:48:28,097 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-28 14:48:28,098 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-28 14:48:28,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2020-10-28 14:48:28,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2020-10-28 14:48:28,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2020-10-28 14:48:28,100 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2020-10-28 14:48:28,101 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 14:48:28,101 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 14:48:28,101 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 14:48:28,102 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 14:48:28,103 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 14:48:28,103 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 14:48:28,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 14:48:28,104 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-28 14:48:28,104 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-28 14:48:28,105 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-28 14:48:28,105 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-28 14:48:28,106 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-28 14:48:28,106 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-28 14:48:28,110 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-28 14:48:28,110 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-28 14:48:28,110 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-28 14:48:28,110 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-28 14:48:28,110 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-28 14:48:28,110 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-28 14:48:28,111 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-28 14:48:28,111 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-28 14:48:28,111 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-28 14:48:28,111 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-28 14:48:28,111 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-28 14:48:28,111 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-28 14:48:28,111 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-28 14:48:28,111 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-28 14:48:28,112 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-28 14:48:28,112 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-28 14:48:28,112 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-28 14:48:28,112 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-28 14:48:28,112 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-28 14:48:28,112 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-28 14:48:28,112 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-28 14:48:28,112 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-28 14:48:28,113 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-28 14:48:28,113 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-28 14:48:28,113 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-28 14:48:28,113 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-28 14:48:28,113 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-28 14:48:28,113 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-28 14:48:28,114 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-28 14:48:28,114 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-28 14:48:28,115 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-28 14:48:28,116 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-28 14:48:28,116 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-28 14:48:28,116 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-28 14:48:28,117 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-28 14:48:28,117 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-28 14:48:28,117 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-28 14:48:28,117 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-28 14:48:28,117 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-28 14:48:28,117 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-28 14:48:28,117 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-28 14:48:28,118 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-28 14:48:28,118 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-28 14:48:28,118 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-28 14:48:28,118 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-28 14:48:28,118 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-28 14:48:28,119 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 14:48:28,119 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 14:48:28,121 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-28 14:48:28,121 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 14:48:28,121 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-28 14:48:28,122 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-28 14:48:28,122 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-28 14:48:28,122 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-28 14:48:28,122 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-28 14:48:28,122 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-28 14:48:28,123 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-28 14:48:28,123 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-28 14:48:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 14:48:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-28 14:48:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-28 14:48:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-28 14:48:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-28 14:48:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-28 14:48:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-28 14:48:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-28 14:48:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-28 14:48:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-28 14:48:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-28 14:48:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-28 14:48:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-28 14:48:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-28 14:48:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-28 14:48:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-28 14:48:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-28 14:48:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-28 14:48:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-28 14:48:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-28 14:48:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-28 14:48:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-28 14:48:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-28 14:48:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-28 14:48:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-28 14:48:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-28 14:48:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-28 14:48:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-28 14:48:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-28 14:48:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-28 14:48:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-28 14:48:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-28 14:48:28,128 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-28 14:48:28,128 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-28 14:48:28,128 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-28 14:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-28 14:48:28,130 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-28 14:48:28,130 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-28 14:48:28,130 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-28 14:48:28,130 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-28 14:48:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-28 14:48:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-28 14:48:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 14:48:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 14:48:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 14:48:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2020-10-28 14:48:28,132 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2020-10-28 14:48:28,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 14:48:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 14:48:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2020-10-28 14:48:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 14:48:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2020-10-28 14:48:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 14:48:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 14:48:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 14:48:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 14:48:28,530 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-28 14:48:28,745 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 14:48:28,745 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-28 14:48:28,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:48:28 BoogieIcfgContainer [2020-10-28 14:48:28,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 14:48:28,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 14:48:28,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 14:48:28,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 14:48:28,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 02:48:27" (1/3) ... [2020-10-28 14:48:28,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6018e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:48:28, skipping insertion in model container [2020-10-28 14:48:28,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:27" (2/3) ... [2020-10-28 14:48:28,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6018e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:48:28, skipping insertion in model container [2020-10-28 14:48:28,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:48:28" (3/3) ... [2020-10-28 14:48:28,757 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2n_update_all.i [2020-10-28 14:48:28,770 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 14:48:28,775 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 14:48:28,789 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 14:48:28,819 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 14:48:28,819 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 14:48:28,819 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 14:48:28,819 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 14:48:28,819 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 14:48:28,820 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 14:48:28,820 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 14:48:28,820 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 14:48:28,839 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2020-10-28 14:48:28,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-28 14:48:28,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:48:28,848 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 14:48:28,848 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:48:28,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:48:28,855 INFO L82 PathProgramCache]: Analyzing trace with hash 448687099, now seen corresponding path program 1 times [2020-10-28 14:48:28,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:48:28,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329193394] [2020-10-28 14:48:28,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:48:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:29,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:29,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:29,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:29,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:29,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:29,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 14:48:29,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 14:48:29,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 888 [2020-10-28 14:48:29,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:29,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:29,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:48:29,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:48:29,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 14:48:29,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 14:48:30,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:48:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:30,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:30,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:30,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:48:30,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:30,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:48:30,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:30,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:30,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:30,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:30,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:30,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:48:30,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:48:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:30,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:30,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:30,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:30,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:30,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:48:30,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-28 14:48:30,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:30,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:30,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:30,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:30,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:48:30,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:48:30,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 14:48:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:30,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:30,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:30,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:30,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:30,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 14:48:30,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:30,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:30,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:30,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:48:30,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:30,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:48:30,161 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 14:48:30,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [329193394] [2020-10-28 14:48:30,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:48:30,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 14:48:30,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742158547] [2020-10-28 14:48:30,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 14:48:30,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:48:30,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 14:48:30,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-28 14:48:30,200 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 6 states. [2020-10-28 14:48:30,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:48:30,803 INFO L93 Difference]: Finished difference Result 133 states and 200 transitions. [2020-10-28 14:48:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 14:48:30,811 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-10-28 14:48:30,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:48:30,821 INFO L225 Difference]: With dead ends: 133 [2020-10-28 14:48:30,821 INFO L226 Difference]: Without dead ends: 73 [2020-10-28 14:48:30,826 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-28 14:48:30,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-28 14:48:30,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 41. [2020-10-28 14:48:30,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-28 14:48:30,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2020-10-28 14:48:30,903 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 27 [2020-10-28 14:48:30,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:48:30,904 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2020-10-28 14:48:30,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 14:48:30,904 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2020-10-28 14:48:30,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-28 14:48:30,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:48:30,906 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 14:48:30,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 14:48:30,907 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:48:30,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:48:30,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1058065467, now seen corresponding path program 1 times [2020-10-28 14:48:30,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:48:30,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1520345498] [2020-10-28 14:48:30,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:48:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:30,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:30,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:31,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:31,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:31,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:31,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:31,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:34,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:34,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-28 14:48:34,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 14:48:34,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3480 [2020-10-28 14:48:34,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:34,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:34,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:48:34,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 14:48:34,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 14:48:34,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:34,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:48:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:34,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:34,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:34,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:48:34,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:34,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:48:34,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:34,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:34,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:34,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:34,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:34,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:34,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:48:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:34,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:34,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:34,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:34,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:34,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 14:48:34,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:34,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:34,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:48:34,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:34,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:48:34,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:34,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-28 14:48:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:34,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:34,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:34,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:34,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:34,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 14:48:34,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:34,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:34,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:34,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:34,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:48:34,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:34,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 14:48:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:34,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:34,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:34,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:34,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:34,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:48:34,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:34,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:34,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:34,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:48:34,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:34,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:34,667 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 14:48:34,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1520345498] [2020-10-28 14:48:34,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:48:34,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 14:48:34,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777111779] [2020-10-28 14:48:34,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 14:48:34,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:48:34,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 14:48:34,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-28 14:48:34,677 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand 9 states. [2020-10-28 14:48:35,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:48:35,085 INFO L93 Difference]: Finished difference Result 74 states and 84 transitions. [2020-10-28 14:48:35,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 14:48:35,086 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 35 [2020-10-28 14:48:35,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:48:35,087 INFO L225 Difference]: With dead ends: 74 [2020-10-28 14:48:35,087 INFO L226 Difference]: Without dead ends: 46 [2020-10-28 14:48:35,089 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-28 14:48:35,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-28 14:48:35,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2020-10-28 14:48:35,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-28 14:48:35,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2020-10-28 14:48:35,098 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 35 [2020-10-28 14:48:35,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:48:35,099 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2020-10-28 14:48:35,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 14:48:35,099 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2020-10-28 14:48:35,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-28 14:48:35,101 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:48:35,101 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] [2020-10-28 14:48:35,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 14:48:35,101 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:48:35,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:48:35,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1353147423, now seen corresponding path program 1 times [2020-10-28 14:48:35,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:48:35,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [280215047] [2020-10-28 14:48:35,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:48:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:35,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:35,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:35,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:35,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:35,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:35,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:35,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:39,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:39,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 14:48:39,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 14:48:39,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4110 [2020-10-28 14:48:39,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:39,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:39,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:39,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 14:48:39,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 14:48:39,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 14:48:39,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:48:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:39,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:39,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:39,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:48:39,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:39,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:48:39,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:39,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:39,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:39,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:39,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:39,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 14:48:39,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:48:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:39,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:39,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:39,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 14:48:39,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:39,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 14:48:39,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:39,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:39,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:39,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:48:39,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 14:48:39,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:48:39,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:48:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:39,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:39,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:39,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:39,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:39,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:48:39,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:39,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:39,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:39,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:48:39,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:39,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:48:39,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 14:48:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:39,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:39,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:39,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:39,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:39,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:48:39,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:39,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:39,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:39,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:48:39,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:39,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:39,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 14:48:39,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [280215047] [2020-10-28 14:48:39,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:48:39,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 14:48:39,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466977287] [2020-10-28 14:48:39,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 14:48:39,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:48:39,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 14:48:39,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-28 14:48:39,400 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand 6 states. [2020-10-28 14:48:39,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:48:39,653 INFO L93 Difference]: Finished difference Result 79 states and 90 transitions. [2020-10-28 14:48:39,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 14:48:39,654 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2020-10-28 14:48:39,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:48:39,655 INFO L225 Difference]: With dead ends: 79 [2020-10-28 14:48:39,655 INFO L226 Difference]: Without dead ends: 46 [2020-10-28 14:48:39,656 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-28 14:48:39,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-28 14:48:39,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2020-10-28 14:48:39,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-28 14:48:39,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2020-10-28 14:48:39,665 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 40 [2020-10-28 14:48:39,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:48:39,666 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2020-10-28 14:48:39,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 14:48:39,666 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2020-10-28 14:48:39,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-28 14:48:39,667 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:48:39,667 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] [2020-10-28 14:48:39,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 14:48:39,668 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:48:39,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:48:39,668 INFO L82 PathProgramCache]: Analyzing trace with hash 33055971, now seen corresponding path program 1 times [2020-10-28 14:48:39,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:48:39,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1298126618] [2020-10-28 14:48:39,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:48:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:39,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:39,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:39,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:39,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:40,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:40,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:42,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:42,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 14:48:42,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 14:48:42,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2939 [2020-10-28 14:48:42,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:42,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:42,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:48:42,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:48:42,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 14:48:42,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:42,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:48:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:42,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:42,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:42,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:48:42,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:42,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:48:42,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:42,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:42,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:42,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:42,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:42,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:42,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:48:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:42,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:42,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:42,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:42,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 14:48:42,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:48:42,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-28 14:48:42,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:42,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:42,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:42,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:42,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 14:48:42,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:42,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:48:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:42,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:42,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:42,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:42,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:42,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 14:48:42,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:42,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:42,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:42,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:42,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:48:42,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:42,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 14:48:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:42,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:42,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:42,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:42,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:42,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:48:42,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:42,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:42,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:48:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:42,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:42,821 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 14:48:42,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1298126618] [2020-10-28 14:48:42,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:48:42,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 14:48:42,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038365892] [2020-10-28 14:48:42,824 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 14:48:42,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:48:42,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 14:48:42,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-28 14:48:42,825 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand 8 states. [2020-10-28 14:48:43,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:48:43,230 INFO L93 Difference]: Finished difference Result 70 states and 80 transitions. [2020-10-28 14:48:43,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 14:48:43,231 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-10-28 14:48:43,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:48:43,232 INFO L225 Difference]: With dead ends: 70 [2020-10-28 14:48:43,232 INFO L226 Difference]: Without dead ends: 55 [2020-10-28 14:48:43,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 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 14:48:43,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-28 14:48:43,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2020-10-28 14:48:43,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-28 14:48:43,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2020-10-28 14:48:43,250 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 40 [2020-10-28 14:48:43,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:48:43,250 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2020-10-28 14:48:43,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 14:48:43,250 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2020-10-28 14:48:43,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 14:48:43,256 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:48:43,256 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] [2020-10-28 14:48:43,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 14:48:43,257 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:48:43,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:48:43,257 INFO L82 PathProgramCache]: Analyzing trace with hash 146130093, now seen corresponding path program 2 times [2020-10-28 14:48:43,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:48:43,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [148980742] [2020-10-28 14:48:43,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:48:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:43,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:43,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:43,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:43,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:44,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:45,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:45,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:45,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-28 14:48:45,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 14:48:45,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2475 [2020-10-28 14:48:45,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:45,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:45,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:48:45,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:48:45,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 14:48:45,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:45,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:48:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:45,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:45,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:45,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:48:45,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:45,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:48:45,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:45,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:45,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:45,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:45,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:45,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:45,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:48:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:45,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:45,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:45,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:45,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 14:48:45,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:48:45,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-28 14:48:45,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:45,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:45,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:45,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:45,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 14:48:45,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:45,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:48:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:45,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:45,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:45,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:45,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:45,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:48:45,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:45,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:45,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:45,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:45,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:48:45,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:45,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 14:48:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:45,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:45,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:45,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:45,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:45,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 14:48:45,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:45,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:45,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:48:45,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:45,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:48:45,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:45,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:48:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:45,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:45,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:45,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:45,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:45,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:48:45,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:45,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:45,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:45,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:48:45,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:45,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:45,988 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 14:48:45,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [148980742] [2020-10-28 14:48:45,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:48:45,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 14:48:45,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664428324] [2020-10-28 14:48:45,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 14:48:45,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:48:45,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 14:48:45,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 14:48:45,991 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand 10 states. [2020-10-28 14:48:46,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:48:46,464 INFO L93 Difference]: Finished difference Result 76 states and 88 transitions. [2020-10-28 14:48:46,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 14:48:46,465 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 48 [2020-10-28 14:48:46,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:48:46,468 INFO L225 Difference]: With dead ends: 76 [2020-10-28 14:48:46,468 INFO L226 Difference]: Without dead ends: 61 [2020-10-28 14:48:46,469 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 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 14:48:46,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-28 14:48:46,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 52. [2020-10-28 14:48:46,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-28 14:48:46,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2020-10-28 14:48:46,479 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 48 [2020-10-28 14:48:46,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:48:46,480 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2020-10-28 14:48:46,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 14:48:46,480 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2020-10-28 14:48:46,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-28 14:48:46,481 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:48:46,482 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] [2020-10-28 14:48:46,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 14:48:46,482 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:48:46,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:48:46,483 INFO L82 PathProgramCache]: Analyzing trace with hash 874824063, now seen corresponding path program 1 times [2020-10-28 14:48:46,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:48:46,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1356530113] [2020-10-28 14:48:46,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:48:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:46,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:46,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:46,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:47,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:47,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:47,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:47,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:48,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:51,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:51,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-28 14:48:51,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 14:48:51,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 14:48:51,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:51,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:51,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 14:48:51,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 14:48:51,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 14:48:51,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:51,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:48:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:51,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:51,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:51,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:48:51,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:51,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:48:51,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:51,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:51,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:51,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:51,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:51,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:51,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:48:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:51,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:51,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:51,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 14:48:51,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:51,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 14:48:51,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:51,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:51,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:48:51,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:51,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 14:48:51,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:51,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:48:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:51,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:51,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:51,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:51,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:51,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:48:51,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:51,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:51,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:51,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:51,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:48:51,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:51,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 14:48:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:51,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:51,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:51,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:48:51,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:51,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 14:48:51,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:51,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:51,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:48:51,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:48:51,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:48:51,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:51,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 14:48:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:51,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:51,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:51,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:51,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:51,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:48:51,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:51,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:51,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:51,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:48:51,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:51,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:51,763 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 14:48:51,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1356530113] [2020-10-28 14:48:51,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:48:51,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 14:48:51,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742734260] [2020-10-28 14:48:51,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 14:48:51,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:48:51,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 14:48:51,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-10-28 14:48:51,770 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand 12 states. [2020-10-28 14:48:52,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:48:52,455 INFO L93 Difference]: Finished difference Result 103 states and 123 transitions. [2020-10-28 14:48:52,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 14:48:52,456 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 49 [2020-10-28 14:48:52,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:48:52,457 INFO L225 Difference]: With dead ends: 103 [2020-10-28 14:48:52,457 INFO L226 Difference]: Without dead ends: 65 [2020-10-28 14:48:52,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2020-10-28 14:48:52,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-28 14:48:52,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 54. [2020-10-28 14:48:52,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-28 14:48:52,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 61 transitions. [2020-10-28 14:48:52,479 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 61 transitions. Word has length 49 [2020-10-28 14:48:52,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:48:52,479 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 61 transitions. [2020-10-28 14:48:52,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 14:48:52,479 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2020-10-28 14:48:52,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-28 14:48:52,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:48:52,482 INFO L422 BasicCegarLoop]: trace histogram [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, 1] [2020-10-28 14:48:52,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 14:48:52,483 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:48:52,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:48:52,483 INFO L82 PathProgramCache]: Analyzing trace with hash 903179487, now seen corresponding path program 1 times [2020-10-28 14:48:52,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:48:52,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1695195401] [2020-10-28 14:48:52,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:48:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:52,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:53,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:53,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 14:48:53,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:53,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 946 [2020-10-28 14:48:53,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:53,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:53,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-28 14:48:53,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 14:48:53,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 14:48:53,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:53,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:48:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:53,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:53,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:53,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:48:53,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:53,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:48:53,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:53,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:53,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:53,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:48:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:53,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:53,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:53,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 14:48:53,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:53,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-28 14:48:53,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:53,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:53,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 14:48:53,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:53,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 14:48:53,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:54,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 14:48:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:54,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:54,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:54,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:54,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:54,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 14:48:54,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:54,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 14:48:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:48:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 14:48:54,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:54,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 14:48:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:54,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:54,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:54,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:48:54,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:54,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 14:48:54,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:54,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:54,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 14:48:54,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:48:54,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 14:48:54,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:54,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:48:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:54,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:54,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:54,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:54,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:54,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:48:54,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:54,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:54,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:48:54,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:54,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:48:54,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:54,568 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 14:48:54,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1695195401] [2020-10-28 14:48:54,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:48:54,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-28 14:48:54,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67531063] [2020-10-28 14:48:54,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-28 14:48:54,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:48:54,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-28 14:48:54,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=643, Unknown=0, NotChecked=0, Total=702 [2020-10-28 14:48:54,574 INFO L87 Difference]: Start difference. First operand 54 states and 61 transitions. Second operand 27 states. [2020-10-28 14:48:57,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:48:57,089 INFO L93 Difference]: Finished difference Result 92 states and 115 transitions. [2020-10-28 14:48:57,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-28 14:48:57,091 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 54 [2020-10-28 14:48:57,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:48:57,093 INFO L225 Difference]: With dead ends: 92 [2020-10-28 14:48:57,093 INFO L226 Difference]: Without dead ends: 88 [2020-10-28 14:48:57,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=217, Invalid=2135, Unknown=0, NotChecked=0, Total=2352 [2020-10-28 14:48:57,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-28 14:48:57,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 72. [2020-10-28 14:48:57,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-28 14:48:57,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 87 transitions. [2020-10-28 14:48:57,112 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 87 transitions. Word has length 54 [2020-10-28 14:48:57,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:48:57,112 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 87 transitions. [2020-10-28 14:48:57,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-28 14:48:57,112 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2020-10-28 14:48:57,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-28 14:48:57,114 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:48:57,115 INFO L422 BasicCegarLoop]: trace histogram [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 14:48:57,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 14:48:57,115 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:48:57,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:48:57,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1426448499, now seen corresponding path program 2 times [2020-10-28 14:48:57,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:48:57,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1941143636] [2020-10-28 14:48:57,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:48:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:57,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:57,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:57,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:57,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:58,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:59,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:02,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:02,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 14:49:02,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 14:49:02,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 14:49:02,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:02,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:02,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:49:02,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:49:02,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 14:49:02,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:02,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:49:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:02,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:02,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:02,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:49:02,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:02,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:49:02,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:02,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:02,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:49:02,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:02,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:49:02,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:02,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:49:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:02,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:02,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:02,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:02,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 14:49:02,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:49:02,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-28 14:49:02,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:02,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:02,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:49:02,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:02,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 14:49:02,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:02,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 14:49:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:02,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:02,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:02,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:49:02,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:02,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:49:02,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:02,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:02,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:49:02,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:02,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:49:02,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:02,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 14:49:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:02,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:02,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:02,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 14:49:02,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:02,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 14:49:02,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:02,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:02,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:49:02,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:49:02,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 14:49:02,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:02,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 14:49:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:02,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:02,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:02,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:49:02,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:02,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:49:02,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:02,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:02,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:49:02,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:49:02,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:49:02,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:02,447 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-28 14:49:02,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1941143636] [2020-10-28 14:49:02,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:49:02,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 14:49:02,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572321032] [2020-10-28 14:49:02,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 14:49:02,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:49:02,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 14:49:02,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 14:49:02,450 INFO L87 Difference]: Start difference. First operand 72 states and 87 transitions. Second operand 10 states. [2020-10-28 14:49:03,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:49:03,054 INFO L93 Difference]: Finished difference Result 110 states and 131 transitions. [2020-10-28 14:49:03,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 14:49:03,055 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-10-28 14:49:03,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:49:03,057 INFO L225 Difference]: With dead ends: 110 [2020-10-28 14:49:03,057 INFO L226 Difference]: Without dead ends: 69 [2020-10-28 14:49:03,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2020-10-28 14:49:03,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-28 14:49:03,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2020-10-28 14:49:03,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-28 14:49:03,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 80 transitions. [2020-10-28 14:49:03,072 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 80 transitions. Word has length 55 [2020-10-28 14:49:03,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:49:03,073 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 80 transitions. [2020-10-28 14:49:03,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 14:49:03,073 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2020-10-28 14:49:03,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-28 14:49:03,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:49:03,075 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1] [2020-10-28 14:49:03,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 14:49:03,075 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:49:03,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:49:03,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1794778072, now seen corresponding path program 1 times [2020-10-28 14:49:03,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:49:03,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1364119370] [2020-10-28 14:49:03,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:49:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:03,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:03,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:03,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:03,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:05,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:05,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:05,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:07,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:07,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 14:49:07,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 14:49:07,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4102 [2020-10-28 14:49:07,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:07,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:07,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:49:07,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-28 14:49:07,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:49:07,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:07,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:49:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:07,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:07,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:07,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:49:07,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:07,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:49:07,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:07,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:07,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:49:07,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:07,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:49:07,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:07,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:49:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:07,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:07,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:07,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 14:49:07,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:07,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 14:49:07,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:07,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:07,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:49:07,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:07,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:49:07,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:07,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 14:49:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:07,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:07,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:07,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:49:07,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:07,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:49:07,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:07,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:07,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:49:07,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:07,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:49:07,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:07,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 14:49:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:07,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:07,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:07,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:49:07,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:07,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:49:07,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:07,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:49:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:49:07,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:07,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:49:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:07,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:07,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:07,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:49:07,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:07,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:49:07,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:07,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:07,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:49:07,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:49:07,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:49:07,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:07,355 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-28 14:49:07,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1364119370] [2020-10-28 14:49:07,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:49:07,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 14:49:07,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052157395] [2020-10-28 14:49:07,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 14:49:07,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:49:07,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 14:49:07,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 14:49:07,357 INFO L87 Difference]: Start difference. First operand 68 states and 80 transitions. Second operand 8 states. [2020-10-28 14:49:07,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:49:07,721 INFO L93 Difference]: Finished difference Result 92 states and 109 transitions. [2020-10-28 14:49:07,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 14:49:07,722 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2020-10-28 14:49:07,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:49:07,723 INFO L225 Difference]: With dead ends: 92 [2020-10-28 14:49:07,723 INFO L226 Difference]: Without dead ends: 74 [2020-10-28 14:49:07,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 14:49:07,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-28 14:49:07,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2020-10-28 14:49:07,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-28 14:49:07,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 82 transitions. [2020-10-28 14:49:07,748 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 82 transitions. Word has length 55 [2020-10-28 14:49:07,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:49:07,749 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 82 transitions. [2020-10-28 14:49:07,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 14:49:07,749 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 82 transitions. [2020-10-28 14:49:07,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-28 14:49:07,751 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:49:07,751 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 14:49:07,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 14:49:07,751 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:49:07,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:49:07,752 INFO L82 PathProgramCache]: Analyzing trace with hash 376754261, now seen corresponding path program 3 times [2020-10-28 14:49:07,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:49:07,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [831133437] [2020-10-28 14:49:07,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:49:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:07,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:07,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:07,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:07,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:10,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:10,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:10,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:10,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:12,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:12,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 14:49:12,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 14:49:12,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 14:49:12,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:12,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:12,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:49:12,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:49:12,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 14:49:12,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:12,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:49:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:12,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:12,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:12,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:49:12,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:12,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:49:12,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:12,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:49:12,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:12,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:49:12,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:12,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:49:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:12,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:12,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:12,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:12,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 14:49:12,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:49:12,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-28 14:49:12,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:12,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:12,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:49:12,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:12,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 14:49:12,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:12,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 14:49:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:12,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:12,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:12,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:49:12,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:12,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:49:12,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:13,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:13,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:49:13,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:13,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:49:13,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:49:13,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 14:49:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:13,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:13,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:13,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:49:13,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:13,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:49:13,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:13,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:13,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:49:13,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:13,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:49:13,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:13,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 14:49:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:13,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:13,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:13,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:49:13,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:13,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:49:13,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:13,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:13,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:49:13,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 14:49:13,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:49:13,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:13,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 14:49:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:13,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:13,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:13,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:49:13,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:13,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:49:13,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:13,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:13,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:49:13,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:49:13,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:49:13,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:13,047 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-28 14:49:13,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [831133437] [2020-10-28 14:49:13,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:49:13,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 14:49:13,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268685618] [2020-10-28 14:49:13,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 14:49:13,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:49:13,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 14:49:13,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-28 14:49:13,051 INFO L87 Difference]: Start difference. First operand 70 states and 82 transitions. Second operand 9 states. [2020-10-28 14:49:13,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:49:13,421 INFO L93 Difference]: Finished difference Result 101 states and 114 transitions. [2020-10-28 14:49:13,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 14:49:13,422 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-10-28 14:49:13,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:49:13,424 INFO L225 Difference]: With dead ends: 101 [2020-10-28 14:49:13,424 INFO L226 Difference]: Without dead ends: 62 [2020-10-28 14:49:13,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 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 14:49:13,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-28 14:49:13,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-10-28 14:49:13,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-28 14:49:13,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2020-10-28 14:49:13,441 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 62 [2020-10-28 14:49:13,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:49:13,442 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2020-10-28 14:49:13,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 14:49:13,442 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2020-10-28 14:49:13,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-28 14:49:13,443 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:49:13,443 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, 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 14:49:13,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 14:49:13,443 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:49:13,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:49:13,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1691515318, now seen corresponding path program 1 times [2020-10-28 14:49:13,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:49:13,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262986715] [2020-10-28 14:49:13,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:49:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:13,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:13,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:13,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:13,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:14,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:14,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:14,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:14,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:17,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:17,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 14:49:17,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 14:49:17,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3545 [2020-10-28 14:49:17,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:17,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:17,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:49:17,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-28 14:49:17,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 14:49:17,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:17,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:49:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:17,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:17,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:17,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:49:17,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:17,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:49:17,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:17,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:17,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:49:17,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:17,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:49:17,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:17,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:49:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:17,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:17,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:17,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 14:49:17,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:17,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:49:17,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:17,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:17,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:49:17,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:17,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:49:17,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:17,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 14:49:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:17,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:17,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:17,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:49:17,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:17,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:49:17,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:17,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:17,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:49:17,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:17,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:49:17,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:17,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 14:49:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:17,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:17,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:17,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:49:17,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:17,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:49:17,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:17,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:17,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:49:17,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:17,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:49:17,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:17,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:49:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:17,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:17,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:17,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:49:17,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:17,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:49:17,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:17,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:17,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:49:17,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:17,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:49:17,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:17,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 14:49:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:17,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:17,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:17,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:49:17,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:17,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:49:17,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:17,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:49:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:49:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:49:17,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:17,179 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-28 14:49:17,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262986715] [2020-10-28 14:49:17,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:49:17,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 14:49:17,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257967395] [2020-10-28 14:49:17,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 14:49:17,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:49:17,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 14:49:17,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-28 14:49:17,182 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 9 states. [2020-10-28 14:49:17,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:49:17,545 INFO L93 Difference]: Finished difference Result 68 states and 72 transitions. [2020-10-28 14:49:17,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 14:49:17,546 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-10-28 14:49:17,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:49:17,547 INFO L225 Difference]: With dead ends: 68 [2020-10-28 14:49:17,547 INFO L226 Difference]: Without dead ends: 62 [2020-10-28 14:49:17,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 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 14:49:17,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-28 14:49:17,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-10-28 14:49:17,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-28 14:49:17,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2020-10-28 14:49:17,558 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 64 [2020-10-28 14:49:17,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:49:17,558 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2020-10-28 14:49:17,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 14:49:17,559 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2020-10-28 14:49:17,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-28 14:49:17,560 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:49:17,560 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, 1, 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 14:49:17,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 14:49:17,560 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:49:17,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:49:17,561 INFO L82 PathProgramCache]: Analyzing trace with hash -625938403, now seen corresponding path program 1 times [2020-10-28 14:49:17,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:49:17,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1128530130] [2020-10-28 14:49:17,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:49:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:17,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:17,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:18,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:19,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:19,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:19,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:21,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:22,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:22,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:22,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 14:49:22,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 14:49:22,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 14:49:22,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:22,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:22,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-28 14:49:22,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:49:22,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-28 14:49:22,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:23,087 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-28 14:49:23,302 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-28 14:49:23,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:49:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:23,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:23,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:23,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:49:23,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:23,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:49:23,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:23,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:23,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:49:23,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:23,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:49:23,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:23,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:49:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:23,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:23,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:23,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 14:49:23,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:23,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-28 14:49:23,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:23,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:23,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 14:49:23,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:23,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 14:49:23,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:24,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 14:49:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:24,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:24,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:24,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:49:24,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:24,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 14:49:24,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:24,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:24,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:49:24,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:49:24,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 14:49:24,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:24,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 14:49:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:24,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:24,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:24,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:49:24,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:24,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 14:49:24,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:24,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 14:49:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:49:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 14:49:24,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:24,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:49:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:24,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:24,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:24,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:49:24,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:24,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 14:49:24,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:24,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:24,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:49:24,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:24,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:49:24,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:24,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 14:49:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:24,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:24,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:24,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:49:24,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:24,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 14:49:24,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:24,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:24,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 14:49:24,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:24,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 14:49:24,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:25,169 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-28 14:49:25,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1128530130] [2020-10-28 14:49:25,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:49:25,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-28 14:49:25,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590295306] [2020-10-28 14:49:25,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-28 14:49:25,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:49:25,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-28 14:49:25,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1109, Unknown=0, NotChecked=0, Total=1190 [2020-10-28 14:49:25,172 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 35 states. [2020-10-28 14:49:27,277 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2020-10-28 14:49:27,471 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2020-10-28 14:49:28,666 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2020-10-28 14:49:29,081 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2020-10-28 14:49:30,112 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2020-10-28 14:49:30,665 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2020-10-28 14:49:31,010 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-10-28 14:49:31,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:49:31,142 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2020-10-28 14:49:31,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-28 14:49:31,143 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 65 [2020-10-28 14:49:31,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:49:31,144 INFO L225 Difference]: With dead ends: 76 [2020-10-28 14:49:31,144 INFO L226 Difference]: Without dead ends: 67 [2020-10-28 14:49:31,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 753 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=368, Invalid=4054, Unknown=0, NotChecked=0, Total=4422 [2020-10-28 14:49:31,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-28 14:49:31,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2020-10-28 14:49:31,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-28 14:49:31,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2020-10-28 14:49:31,158 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 65 [2020-10-28 14:49:31,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:49:31,158 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2020-10-28 14:49:31,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-28 14:49:31,158 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2020-10-28 14:49:31,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-28 14:49:31,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:49:31,159 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, 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 14:49:31,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 14:49:31,160 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:49:31,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:49:31,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1952792406, now seen corresponding path program 2 times [2020-10-28 14:49:31,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:49:31,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039323045] [2020-10-28 14:49:31,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:49:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:31,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:31,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:31,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:31,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:31,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:31,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:35,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:36,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:36,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-28 14:49:36,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 14:49:36,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 14:49:36,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:36,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:36,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:49:36,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:49:36,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-28 14:49:36,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:36,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:49:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:36,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:36,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:36,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:49:36,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:36,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:49:36,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:36,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:36,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:49:36,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:36,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:49:36,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:36,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:49:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:36,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:36,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:36,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:36,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 14:49:36,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:49:36,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 14:49:36,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:36,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:36,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:49:36,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:36,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 14:49:36,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:36,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 14:49:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:36,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:36,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:36,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:49:36,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:36,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:49:36,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:36,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:36,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:49:36,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:36,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:49:36,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:36,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 14:49:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:36,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:36,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:36,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:49:36,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:36,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:49:36,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:36,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:36,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:49:36,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:36,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:49:36,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:36,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:49:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:36,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:36,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:36,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:49:36,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:36,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:49:36,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:36,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:36,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:49:36,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:49:36,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:49:36,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:36,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 14:49:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:49:36,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:49:36,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:49:36,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 14:49:36,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:49:36,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:49:36,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:49:36,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:49:36,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:49:36,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:49:36,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 14:49:36,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:49:36,442 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-28 14:49:36,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039323045] [2020-10-28 14:49:36,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:49:36,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 14:49:36,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987307851] [2020-10-28 14:49:36,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 14:49:36,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:49:36,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 14:49:36,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-28 14:49:36,444 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand 10 states. [2020-10-28 14:49:36,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:49:36,895 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2020-10-28 14:49:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 14:49:36,896 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-10-28 14:49:36,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:49:36,897 INFO L225 Difference]: With dead ends: 63 [2020-10-28 14:49:36,897 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 14:49:36,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-28 14:49:36,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 14:49:36,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 14:49:36,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 14:49:36,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 14:49:36,898 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-10-28 14:49:36,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:49:36,899 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 14:49:36,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 14:49:36,899 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 14:49:36,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 14:49:36,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 14:49:36,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 14:49:37,509 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 46 [2020-10-28 14:49:37,689 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2020-10-28 14:49:37,954 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2020-10-28 14:49:38,307 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 57 [2020-10-28 14:49:38,441 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2020-10-28 14:49:38,651 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2020-10-28 14:49:38,890 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2020-10-28 14:49:38,895 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-10-28 14:49:38,895 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-28 14:49:38,895 INFO L274 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-10-28 14:49:38,895 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-28 14:49:38,896 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-28 14:49:38,896 INFO L270 CegarLoopResult]: At program point dll_update_atENTRY(lines 617 623) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-28 14:49:38,896 INFO L274 CegarLoopResult]: For program point dll_update_atEXIT(lines 617 623) no Hoare annotation was computed. [2020-10-28 14:49:38,896 INFO L270 CegarLoopResult]: At program point L618-2(lines 618 621) the Hoare annotation is: (let ((.cse4 (<= |dll_update_at_#in~index| dll_update_at_~index))) (and (let ((.cse3 (<= (+ dll_update_at_~index 1) |dll_update_at_#in~index|)) (.cse0 (= dll_update_at_~data |dll_update_at_#in~data|)) (.cse1 (= |dll_update_at_#in~head.base| dll_update_at_~head.base))) (or (and (let ((.cse2 (select (select |#memory_$Pointer$.base| |dll_update_at_#in~head.base|) 4))) (or (and .cse0 .cse1 (= |dll_update_at_#in~head.base| .cse2)) (and .cse0 (= (select (select |#memory_$Pointer$.offset| |dll_update_at_#in~head.base|) 4) dll_update_at_~head.offset) (= .cse2 dll_update_at_~head.base)) (not (= 0 |dll_update_at_#in~head.offset|)))) .cse3) (and (<= 2 |dll_update_at_#in~index|) .cse3) (let ((.cse5 (= dll_update_at_~head.offset 4))) (and .cse4 (or (and (= dll_update_at_~head.offset |dll_update_at_#in~head.offset|) .cse0 .cse1) .cse5) (or (= 4 |dll_update_at_#in~head.offset|) (not .cse5)))))) (let ((.cse6 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse7 (= |#memory_int| |old(#memory_int)|)) (.cse8 (<= dll_update_at_~index |dll_update_at_#in~index|)) (.cse9 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (or (and .cse6 .cse7 .cse8 .cse9 (<= 1 |dll_update_at_#in~index|)) (and .cse6 .cse4 .cse7 .cse8 .cse9))))) [2020-10-28 14:49:38,896 INFO L274 CegarLoopResult]: For program point L618-3(lines 618 621) no Hoare annotation was computed. [2020-10-28 14:49:38,896 INFO L274 CegarLoopResult]: For program point dll_update_atFINAL(lines 617 623) no Hoare annotation was computed. [2020-10-28 14:49:38,897 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 14:49:38,897 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string1.offset)| |#t~string1.offset|) (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:49:38,897 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 14:49:38,897 INFO L277 CegarLoopResult]: At program point myexitENTRY(lines 572 574) the Hoare annotation is: true [2020-10-28 14:49:38,897 INFO L277 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: true [2020-10-28 14:49:38,897 INFO L274 CegarLoopResult]: For program point myexitEXIT(lines 572 574) no Hoare annotation was computed. [2020-10-28 14:49:38,898 INFO L270 CegarLoopResult]: At program point dll_createENTRY(lines 585 602) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:49:38,898 INFO L274 CegarLoopResult]: For program point dll_createFINAL(lines 585 602) no Hoare annotation was computed. [2020-10-28 14:49:38,899 INFO L274 CegarLoopResult]: For program point L595(lines 595 597) no Hoare annotation was computed. [2020-10-28 14:49:38,899 INFO L274 CegarLoopResult]: For program point L595-2(lines 595 597) no Hoare annotation was computed. [2020-10-28 14:49:38,899 INFO L274 CegarLoopResult]: For program point L589(lines 589 591) no Hoare annotation was computed. [2020-10-28 14:49:38,899 INFO L274 CegarLoopResult]: For program point L589-1(lines 589 591) no Hoare annotation was computed. [2020-10-28 14:49:38,899 INFO L270 CegarLoopResult]: At program point L587-2(lines 587 600) the Hoare annotation is: (let ((.cse2 (= dll_create_~head~0.offset 0)) (.cse0 (= (select |#valid| dll_create_~new_head~0.base) 1)) (.cse1 (= |dll_create_#in~data| dll_create_~data)) (.cse3 (= (select |#valid| dll_create_~head~0.base) 1))) (or (and .cse0 (= |dll_create_#in~data| (select (select |#memory_int| dll_create_~new_head~0.base) dll_create_~new_head~0.offset)) .cse1 .cse2 (not (= (select (select |#memory_$Pointer$.base| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 4)) dll_create_~new_head~0.base)) (not (= (select (select |#memory_$Pointer$.base| dll_create_~head~0.base) 4) dll_create_~head~0.base)) (= dll_create_~new_head~0.offset 0) (= |dll_create_#in~data| (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset)) .cse3) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) .cse1 (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= dll_create_~len |dll_create_#in~len|) .cse2 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= 0 dll_create_~head~0.base)) (and (<= |dll_create_#in~len| (+ dll_create_~len 1)) .cse0 .cse1 .cse3))) [2020-10-28 14:49:38,900 INFO L274 CegarLoopResult]: For program point L587-3(lines 587 600) no Hoare annotation was computed. [2020-10-28 14:49:38,900 INFO L274 CegarLoopResult]: For program point dll_createEXIT(lines 585 602) no Hoare annotation was computed. [2020-10-28 14:49:38,900 INFO L277 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: true [2020-10-28 14:49:38,900 INFO L274 CegarLoopResult]: For program point __bswap_32ENTRY(lines 74 78) no Hoare annotation was computed. [2020-10-28 14:49:38,900 INFO L274 CegarLoopResult]: For program point __bswap_32FINAL(lines 74 78) no Hoare annotation was computed. [2020-10-28 14:49:38,900 INFO L274 CegarLoopResult]: For program point __bswap_32EXIT(lines 74 78) no Hoare annotation was computed. [2020-10-28 14:49:38,900 INFO L274 CegarLoopResult]: For program point __bswap_64ENTRY(lines 79 83) no Hoare annotation was computed. [2020-10-28 14:49:38,900 INFO L274 CegarLoopResult]: For program point __bswap_64FINAL(lines 79 83) no Hoare annotation was computed. [2020-10-28 14:49:38,900 INFO L274 CegarLoopResult]: For program point __bswap_64EXIT(lines 79 83) no Hoare annotation was computed. [2020-10-28 14:49:38,900 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 14:49:38,900 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-28 14:49:38,901 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 14:49:38,901 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 14:49:38,901 INFO L270 CegarLoopResult]: At program point L611-2(lines 611 614) the Hoare annotation is: (let ((.cse0 (= |dll_get_data_at_#in~index| dll_get_data_at_~index))) (and (or .cse0 (<= 1 |dll_get_data_at_#in~index|)) (let ((.cse1 (<= (+ dll_get_data_at_~index 1) |dll_get_data_at_#in~index|))) (or (and .cse1 (<= 2 |dll_get_data_at_#in~index|)) (and .cse0 (= |dll_get_data_at_#in~head.base| dll_get_data_at_~head.base) (= dll_get_data_at_~head.offset |dll_get_data_at_#in~head.offset|)) (let ((.cse2 (+ |dll_get_data_at_#in~head.offset| 4))) (and (= dll_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |dll_get_data_at_#in~head.base|) .cse2)) (= (select (select |#memory_$Pointer$.base| |dll_get_data_at_#in~head.base|) .cse2) dll_get_data_at_~head.base) .cse1)))))) [2020-10-28 14:49:38,901 INFO L274 CegarLoopResult]: For program point L611-3(lines 611 614) no Hoare annotation was computed. [2020-10-28 14:49:38,901 INFO L274 CegarLoopResult]: For program point dll_get_data_atFINAL(lines 610 616) no Hoare annotation was computed. [2020-10-28 14:49:38,901 INFO L277 CegarLoopResult]: At program point dll_get_data_atENTRY(lines 610 616) the Hoare annotation is: true [2020-10-28 14:49:38,901 INFO L274 CegarLoopResult]: For program point dll_get_data_atEXIT(lines 610 616) no Hoare annotation was computed. [2020-10-28 14:49:38,901 INFO L270 CegarLoopResult]: At program point L636(lines 624 643) the Hoare annotation is: false [2020-10-28 14:49:38,901 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 624 643) no Hoare annotation was computed. [2020-10-28 14:49:38,902 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 624 643) no Hoare annotation was computed. [2020-10-28 14:49:38,902 INFO L274 CegarLoopResult]: For program point L641(line 641) no Hoare annotation was computed. [2020-10-28 14:49:38,902 INFO L274 CegarLoopResult]: For program point L639(line 639) no Hoare annotation was computed. [2020-10-28 14:49:38,902 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 624 643) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:49:38,902 INFO L270 CegarLoopResult]: At program point L635(line 635) the Hoare annotation is: (let ((.cse7 (+ main_~i~0 1)) (.cse6 (let ((.cse8 (+ main_~s~0.offset 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse8)) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse8))))) (let ((.cse0 (= (+ main_~len~0 1) .cse6)) (.cse1 (<= 2 main_~len~0)) (.cse2 (<= .cse7 main_~len~0)) (.cse4 (= main_~data~0 1)) (.cse5 (= main_~s~0.offset 0))) (or (let ((.cse3 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (and .cse0 (<= main_~len~0 2) .cse1 .cse2 (= .cse3 main_~expected~0) (= main_~len~0 .cse3) (= (+ main_~i~0 main_~len~0) .cse3) .cse4 .cse5)) (and .cse0 .cse1 .cse2 (= .cse6 main_~expected~0) (<= main_~len~0 .cse7) .cse4 .cse5 (<= main_~i~0 1))))) [2020-10-28 14:49:38,902 INFO L274 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-10-28 14:49:38,902 INFO L274 CegarLoopResult]: For program point L635-2(lines 635 637) no Hoare annotation was computed. [2020-10-28 14:49:38,902 INFO L270 CegarLoopResult]: At program point L631(line 631) the Hoare annotation is: (let ((.cse0 (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) 4) main_~s~0.base))) (.cse1 (<= 2 main_~len~0)) (.cse2 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse3 (= main_~data~0 1)) (.cse4 (= main_~s~0.offset 0))) (or (and .cse0 .cse1 (= main_~i~0 0) (= main_~len~0 main_~new_data~0) (= .cse2 1) (<= main_~len~0 (+ main_~i~0 2)) .cse3 .cse4) (and .cse0 .cse1 (<= main_~len~0 (+ main_~i~0 1)) (= (+ main_~i~0 main_~len~0) main_~new_data~0) (= main_~len~0 .cse2) .cse3 .cse4 (<= main_~i~0 1)))) [2020-10-28 14:49:38,902 INFO L274 CegarLoopResult]: For program point L633-2(lines 633 638) no Hoare annotation was computed. [2020-10-28 14:49:38,902 INFO L274 CegarLoopResult]: For program point L631-1(lines 629 632) no Hoare annotation was computed. [2020-10-28 14:49:38,903 INFO L270 CegarLoopResult]: At program point L633-3(lines 633 638) the Hoare annotation is: (let ((.cse1 (<= main_~len~0 2)) (.cse0 (= (+ main_~len~0 1) (let ((.cse6 (+ main_~s~0.offset 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse6)) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse6))))) (.cse2 (<= 2 main_~len~0)) (.cse3 (= main_~data~0 1)) (.cse4 (= main_~s~0.offset 0))) (or (and .cse0 .cse1 .cse2 (<= main_~len~0 (+ main_~i~0 1)) .cse3 .cse4) (and .cse1 .cse2 (<= main_~len~0 main_~i~0)) (let ((.cse5 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (and .cse0 .cse2 (= main_~len~0 .cse5) (= (+ main_~i~0 main_~len~0) .cse5) (<= main_~len~0 (+ main_~i~0 2)) .cse3 .cse4)))) [2020-10-28 14:49:38,903 INFO L270 CegarLoopResult]: At program point L633-4(lines 633 638) the Hoare annotation is: (<= 2 main_~len~0) [2020-10-28 14:49:38,903 INFO L270 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: (and (= |#memory_$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$.base)|) (= main_~data~0 1) (= |old(#valid)| |#valid|)) [2020-10-28 14:49:38,903 INFO L270 CegarLoopResult]: At program point L629-2(lines 629 632) the Hoare annotation is: (let ((.cse2 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse7 (select |#memory_$Pointer$.base| main_~s~0.base))) (let ((.cse0 (not (= (select .cse7 4) main_~s~0.base))) (.cse5 (<= main_~len~0 2)) (.cse6 (= main_~len~0 .cse2)) (.cse3 (= main_~data~0 1)) (.cse4 (= main_~s~0.offset 0))) (or (let ((.cse1 (+ main_~i~0 2))) (and .cse0 (= main_~i~0 0) (<= .cse1 main_~len~0) (= .cse2 1) (<= main_~len~0 .cse1) .cse3 .cse4)) (and .cse0 .cse5 (<= (+ main_~i~0 1) main_~len~0) (<= 1 main_~i~0) (= main_~len~0 main_~new_data~0) .cse6 .cse3 .cse4) (and (= (+ main_~len~0 1) (let ((.cse8 (+ main_~s~0.offset 4))) (select (select |#memory_int| (select .cse7 .cse8)) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse8)))) .cse5 (<= 2 main_~len~0) (<= main_~len~0 main_~i~0) .cse6 .cse3 .cse4)))) [2020-10-28 14:49:38,903 INFO L274 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-10-28 14:49:38,903 INFO L274 CegarLoopResult]: For program point L629-3(lines 629 632) no Hoare annotation was computed. [2020-10-28 14:49:38,903 INFO L274 CegarLoopResult]: For program point dll_destroyEXIT(lines 603 609) no Hoare annotation was computed. [2020-10-28 14:49:38,904 INFO L270 CegarLoopResult]: At program point dll_destroyENTRY(lines 603 609) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-28 14:49:38,904 INFO L277 CegarLoopResult]: At program point L604-2(lines 604 608) the Hoare annotation is: true [2020-10-28 14:49:38,904 INFO L274 CegarLoopResult]: For program point L604-3(lines 603 609) no Hoare annotation was computed. [2020-10-28 14:49:38,904 INFO L274 CegarLoopResult]: For program point L577(lines 577 579) no Hoare annotation was computed. [2020-10-28 14:49:38,904 INFO L274 CegarLoopResult]: For program point L577-1(lines 577 579) no Hoare annotation was computed. [2020-10-28 14:49:38,904 INFO L274 CegarLoopResult]: For program point node_createENTRY(lines 575 584) no Hoare annotation was computed. [2020-10-28 14:49:38,904 INFO L274 CegarLoopResult]: For program point node_createFINAL(lines 575 584) no Hoare annotation was computed. [2020-10-28 14:49:38,904 INFO L274 CegarLoopResult]: For program point node_createEXIT(lines 575 584) no Hoare annotation was computed. [2020-10-28 14:49:38,904 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-10-28 14:49:38,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,918 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,928 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,928 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,935 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,935 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,935 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-28 14:49:38,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-28 14:49:38,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-28 14:49:38,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-28 14:49:38,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,959 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:38,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:38,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:38,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:38,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 02:49:38 BoogieIcfgContainer [2020-10-28 14:49:38,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 14:49:38,980 INFO L168 Benchmark]: Toolchain (without parser) took 71680.51 ms. Allocated memory was 125.8 MB in the beginning and 679.5 MB in the end (delta: 553.6 MB). Free memory was 100.2 MB in the beginning and 604.1 MB in the end (delta: -503.8 MB). Peak memory consumption was 402.7 MB. Max. memory is 8.0 GB. [2020-10-28 14:49:38,980 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 125.8 MB. Free memory is still 85.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 14:49:38,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.31 ms. Allocated memory is still 125.8 MB. Free memory was 99.6 MB in the beginning and 76.7 MB in the end (delta: 22.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-10-28 14:49:38,985 INFO L168 Benchmark]: Boogie Preprocessor took 80.96 ms. Allocated memory is still 125.8 MB. Free memory was 76.7 MB in the beginning and 73.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-28 14:49:38,986 INFO L168 Benchmark]: RCFGBuilder took 770.05 ms. Allocated memory was 125.8 MB in the beginning and 157.3 MB in the end (delta: 31.5 MB). Free memory was 73.9 MB in the beginning and 95.3 MB in the end (delta: -21.4 MB). Peak memory consumption was 11.8 MB. Max. memory is 8.0 GB. [2020-10-28 14:49:38,986 INFO L168 Benchmark]: TraceAbstraction took 70225.83 ms. Allocated memory was 157.3 MB in the beginning and 679.5 MB in the end (delta: 522.2 MB). Free memory was 94.8 MB in the beginning and 604.1 MB in the end (delta: -509.3 MB). Peak memory consumption was 364.6 MB. Max. memory is 8.0 GB. [2020-10-28 14:49:38,994 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 125.8 MB. Free memory is still 85.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 592.31 ms. Allocated memory is still 125.8 MB. Free memory was 99.6 MB in the beginning and 76.7 MB in the end (delta: 22.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 80.96 ms. Allocated memory is still 125.8 MB. Free memory was 76.7 MB in the beginning and 73.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 770.05 ms. Allocated memory was 125.8 MB in the beginning and 157.3 MB in the end (delta: 31.5 MB). Free memory was 73.9 MB in the beginning and 95.3 MB in the end (delta: -21.4 MB). Peak memory consumption was 11.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 70225.83 ms. Allocated memory was 157.3 MB in the beginning and 679.5 MB in the end (delta: 522.2 MB). Free memory was 94.8 MB in the beginning and 604.1 MB in the end (delta: -509.3 MB). Peak memory consumption was 364.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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 * 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_int - 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_int - 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_$Pointer$ - 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_$Pointer$ - 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_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 #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_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 #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_$Pointer$ - 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_$Pointer$ - 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_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 * 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: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant [2020-10-28 14:49:39,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,025 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,025 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,025 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,025 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((!(#memory_$Pointer$[s][4] == s) && i == 0) && i + 2 <= len) && unknown-#memory_int-unknown[s][s] == 1) && len <= i + 2) && data == 1) && s == 0) || (((((((!(#memory_$Pointer$[s][4] == s) && len <= 2) && i + 1 <= len) && 1 <= i) && len == new_data) && len == unknown-#memory_int-unknown[s][s]) && data == 1) && s == 0)) || ((((((len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] && len <= 2) && 2 <= len) && len <= i) && len == unknown-#memory_int-unknown[s][s]) && data == 1) && s == 0) - InvariantResult [Line: 618]: Loop Invariant [2020-10-28 14:49:39,032 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,032 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,045 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,045 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,045 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,045 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,045 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,048 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,048 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,048 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((data == \old(data) && head == head) && head == #memory_$Pointer$[head][4]) || ((data == \old(data) && #memory_$Pointer$[head][4] == head) && #memory_$Pointer$[head][4] == head)) || !(0 == head)) && index + 1 <= \old(index)) || (2 <= \old(index) && index + 1 <= \old(index))) || ((\old(index) <= index && (((head == head && data == \old(data)) && head == head) || head == 4)) && (4 == head || !(head == 4)))) && (((((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && index <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && 1 <= \old(index)) || ((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(index) <= index) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && index <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) - InvariantResult [Line: 587]: Loop Invariant [2020-10-28 14:49:39,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-28 14:49:39,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-28 14:49:39,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-28 14:49:39,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-28 14:49:39,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((\valid[new_head] == 1 && \old(data) == unknown-#memory_int-unknown[new_head][new_head]) && \old(data) == data) && head == 0) && !(#memory_$Pointer$[new_head][new_head + 4] == new_head)) && !(#memory_$Pointer$[head][4] == head)) && new_head == 0) && \old(data) == unknown-#memory_int-unknown[head][head]) && \valid[head] == 1) || ((((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(data) == data) && \old(unknown-#length-unknown) == unknown-#length-unknown) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && len == \old(len)) && head == 0) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid) && 0 == head)) || (((\old(len) <= len + 1 && \valid[new_head] == 1) && \old(data) == data) && \valid[head] == 1) - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant [2020-10-28 14:49:39,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,066 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,069 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (\old(index) == index || 1 <= \old(index)) && (((index + 1 <= \old(index) && 2 <= \old(index)) || ((\old(index) == index && head == head) && head == head)) || ((head == #memory_$Pointer$[head][head + 4] && #memory_$Pointer$[head][head + 4] == head) && index + 1 <= \old(index))) - InvariantResult [Line: 633]: Loop Invariant [2020-10-28 14:49:39,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,072 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,072 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,072 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,072 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,073 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,073 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,073 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:49:39,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:49:39,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:49:39,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:49:39,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] && len <= 2) && 2 <= len) && len <= i + 1) && data == 1) && s == 0) || ((len <= 2 && 2 <= len) && len <= i)) || ((((((len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] && 2 <= len) && len == unknown-#memory_int-unknown[s][s]) && i + len == unknown-#memory_int-unknown[s][s]) && len <= i + 2) && data == 1) && s == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 68.0s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 13.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 441 SDtfs, 755 SDslu, 1358 SDs, 0 SdLazy, 4687 SolverSat, 492 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 365 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1205 ImplicationChecksByTransitivity, 10.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred 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: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 89 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 79 PreInvPairs, 119 NumberOfFragments, 791 HoareAnnotationTreeSize, 79 FomulaSimplifications, 23301 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 23 FomulaSimplificationsInter, 1250 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 53.6s InterpolantComputationTime, 660 NumberOfCodeBlocks, 660 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 647 ConstructedInterpolants, 0 QuantifiedInterpolants, 207205 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 161/218 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...