/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 SingleStatement --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=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/heap-manipulation/sll_to_dll_rev-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:22:17,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:22:17,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:22:17,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:22:17,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:22:17,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:22:17,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:22:17,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:22:17,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:22:17,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:22:17,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:22:17,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:22:17,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:22:17,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:22:17,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:22:17,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:22:17,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:22:17,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:22:17,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:22:17,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:22:17,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:22:17,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:22:17,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:22:17,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:22:17,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:22:17,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:22:17,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:22:17,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:22:17,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:22:17,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:22:17,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:22:17,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:22:17,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:22:17,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:22:17,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:22:17,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:22:17,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:22:17,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:22:17,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:22:17,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:22:17,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:22:17,689 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 [2020-09-25 04:22:17,742 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:22:17,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:22:17,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:22:17,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:22:17,745 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:22:17,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:22:17,746 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:22:17,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:22:17,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:22:17,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:22:17,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:22:17,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:22:17,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:22:17,749 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:22:17,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:22:17,749 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:22:17,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:22:17,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:22:17,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:22:17,750 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:22:17,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:22:17,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:22:17,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:22:17,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:22:17,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:22:17,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:22:17,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:22:17,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:22:17,752 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:22:17,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> SingleStatement 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=0.2;log-additional-information=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=0.2;log-additional-information=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=0.2;log-additional-information=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=0.2;log-additional-information=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=0.2;log-additional-information=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=0.2;log-additional-information=true; [2020-09-25 04:22:18,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:22:18,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:22:18,297 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:22:18,299 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:22:18,300 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:22:18,301 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/sll_to_dll_rev-1.i [2020-09-25 04:22:18,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5a5772ed0/baa17da612974e7382df7251f75adf6d/FLAG7cf7d0b5e [2020-09-25 04:22:19,051 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:22:19,052 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/heap-manipulation/sll_to_dll_rev-1.i [2020-09-25 04:22:19,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5a5772ed0/baa17da612974e7382df7251f75adf6d/FLAG7cf7d0b5e [2020-09-25 04:22:19,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5a5772ed0/baa17da612974e7382df7251f75adf6d [2020-09-25 04:22:19,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:22:19,280 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:22:19,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:22:19,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:22:19,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:22:19,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:22:19" (1/1) ... [2020-09-25 04:22:19,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@768abc93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:19, skipping insertion in model container [2020-09-25 04:22:19,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:22:19" (1/1) ... [2020-09-25 04:22:19,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:22:19,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:22:19,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:22:19,882 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:22:19,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:22:20,029 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:22:20,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:20 WrapperNode [2020-09-25 04:22:20,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:22:20,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:22:20,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:22:20,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:22:20,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:20" (1/1) ... [2020-09-25 04:22:20,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:20" (1/1) ... [2020-09-25 04:22:20,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:20" (1/1) ... [2020-09-25 04:22:20,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:20" (1/1) ... [2020-09-25 04:22:20,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:20" (1/1) ... [2020-09-25 04:22:20,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:20" (1/1) ... [2020-09-25 04:22:20,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:20" (1/1) ... [2020-09-25 04:22:20,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:22:20,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:22:20,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:22:20,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:22:20,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:20" (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 [2020-09-25 04:22:20,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:22:20,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:22:20,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-25 04:22:20,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-25 04:22:20,215 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2020-09-25 04:22:20,216 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_node [2020-09-25 04:22:20,216 INFO L138 BoogieDeclarations]: Found implementation of procedure chain_node [2020-09-25 04:22:20,216 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sll [2020-09-25 04:22:20,216 INFO L138 BoogieDeclarations]: Found implementation of procedure init_back_link [2020-09-25 04:22:20,217 INFO L138 BoogieDeclarations]: Found implementation of procedure reverse_dll [2020-09-25 04:22:20,217 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_fw_link [2020-09-25 04:22:20,217 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_next [2020-09-25 04:22:20,217 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_prev [2020-09-25 04:22:20,217 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:22:20,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:22:20,218 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-25 04:22:20,218 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-25 04:22:20,218 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-25 04:22:20,218 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-25 04:22:20,219 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-25 04:22:20,219 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-25 04:22:20,220 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-25 04:22:20,220 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-25 04:22:20,220 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-25 04:22:20,221 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-25 04:22:20,221 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-25 04:22:20,221 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-25 04:22:20,221 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-25 04:22:20,222 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-25 04:22:20,222 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-25 04:22:20,222 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-25 04:22:20,222 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-25 04:22:20,222 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-25 04:22:20,222 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-25 04:22:20,223 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-25 04:22:20,223 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-25 04:22:20,223 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-25 04:22:20,223 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-25 04:22:20,223 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-25 04:22:20,224 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-25 04:22:20,224 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-25 04:22:20,224 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-25 04:22:20,224 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-25 04:22:20,224 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-25 04:22:20,224 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-25 04:22:20,225 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-25 04:22:20,225 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-25 04:22:20,225 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-25 04:22:20,225 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-25 04:22:20,225 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-25 04:22:20,226 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-25 04:22:20,226 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-25 04:22:20,226 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-25 04:22:20,226 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-25 04:22:20,227 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-25 04:22:20,227 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-25 04:22:20,227 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-25 04:22:20,227 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-25 04:22:20,227 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-25 04:22:20,227 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-25 04:22:20,227 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-25 04:22:20,228 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-25 04:22:20,228 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-25 04:22:20,228 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-25 04:22:20,228 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-25 04:22:20,228 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-25 04:22:20,228 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-25 04:22:20,229 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:22:20,229 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 04:22:20,229 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 04:22:20,229 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:22:20,229 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 04:22:20,229 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-25 04:22:20,230 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 04:22:20,230 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-25 04:22:20,230 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 04:22:20,230 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-25 04:22:20,230 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-25 04:22:20,230 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 04:22:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-25 04:22:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-25 04:22:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-25 04:22:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-25 04:22:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-25 04:22:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-25 04:22:20,232 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-25 04:22:20,232 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-25 04:22:20,232 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-25 04:22:20,232 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-25 04:22:20,232 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-25 04:22:20,232 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-25 04:22:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-25 04:22:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-25 04:22:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-25 04:22:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-25 04:22:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-25 04:22:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-25 04:22:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-25 04:22:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-25 04:22:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-25 04:22:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-25 04:22:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-25 04:22:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-25 04:22:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-25 04:22:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-25 04:22:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-25 04:22:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-25 04:22:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-25 04:22:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-25 04:22:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-25 04:22:20,236 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-25 04:22:20,236 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-25 04:22:20,236 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-25 04:22:20,236 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-25 04:22:20,236 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-25 04:22:20,236 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-25 04:22:20,236 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-25 04:22:20,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:22:20,237 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2020-09-25 04:22:20,237 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_node [2020-09-25 04:22:20,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:22:20,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:22:20,237 INFO L130 BoogieDeclarations]: Found specification of procedure chain_node [2020-09-25 04:22:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:22:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure create_sll [2020-09-25 04:22:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:22:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 04:22:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:22:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure init_back_link [2020-09-25 04:22:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure reverse_dll [2020-09-25 04:22:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure remove_fw_link [2020-09-25 04:22:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_next [2020-09-25 04:22:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_prev [2020-09-25 04:22:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:22:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:22:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:22:21,136 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:22:21,136 INFO L295 CfgBuilder]: Removed 33 assume(true) statements. [2020-09-25 04:22:21,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:22:21 BoogieIcfgContainer [2020-09-25 04:22:21,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:22:21,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:22:21,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:22:21,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:22:21,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:22:19" (1/3) ... [2020-09-25 04:22:21,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46931435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:22:21, skipping insertion in model container [2020-09-25 04:22:21,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:20" (2/3) ... [2020-09-25 04:22:21,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46931435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:22:21, skipping insertion in model container [2020-09-25 04:22:21,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:22:21" (3/3) ... [2020-09-25 04:22:21,154 INFO L109 eAbstractionObserver]: Analyzing ICFG sll_to_dll_rev-1.i [2020-09-25 04:22:21,167 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:22:21,178 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:22:21,200 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:22:21,249 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:22:21,249 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:22:21,249 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:22:21,249 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:22:21,250 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:22:21,250 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:22:21,250 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:22:21,250 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:22:21,281 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2020-09-25 04:22:21,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-09-25 04:22:21,292 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:22:21,294 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:22:21,294 INFO L427 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:22:21,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:22:21,303 INFO L82 PathProgramCache]: Analyzing trace with hash 2069327278, now seen corresponding path program 1 times [2020-09-25 04:22:21,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:22:21,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [919489298] [2020-09-25 04:22:21,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:22:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:22:21,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:21,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:21,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:21,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:21,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:22:21,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-25 04:22:21,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:22:21,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 490 [2020-09-25 04:22:21,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:22:21,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:22:21,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:22:21,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 04:22:21,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:22:21,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 04:22:22,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:22:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:22:22,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:22,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:22:22,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:22:22,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:22:22,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 04:22:22,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:22:22,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:22:22,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:22:22,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:22:22,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:22:22,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:22:22,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 04:22:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:22:22,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:22,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:22,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:22,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:22:22,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 04:22:22,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:22:22,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-25 04:22:22,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:22:22,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:22:22,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:22:22,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 04:22:22,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:22:22,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:22:22,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:22:22,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [919489298] [2020-09-25 04:22:22,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:22:22,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:22:22,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265876042] [2020-09-25 04:22:22,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:22:22,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:22:22,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:22:22,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:22:22,217 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 4 states. [2020-09-25 04:22:22,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:22:22,793 INFO L93 Difference]: Finished difference Result 423 states and 572 transitions. [2020-09-25 04:22:22,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 04:22:22,795 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-09-25 04:22:22,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:22:22,814 INFO L225 Difference]: With dead ends: 423 [2020-09-25 04:22:22,815 INFO L226 Difference]: Without dead ends: 211 [2020-09-25 04:22:22,823 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:22:22,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-09-25 04:22:22,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 188. [2020-09-25 04:22:22,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-09-25 04:22:22,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 208 transitions. [2020-09-25 04:22:22,906 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 208 transitions. Word has length 41 [2020-09-25 04:22:22,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:22:22,907 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 208 transitions. [2020-09-25 04:22:22,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:22:22,907 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 208 transitions. [2020-09-25 04:22:22,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-25 04:22:22,911 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:22:22,912 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:22:22,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:22:22,912 INFO L427 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:22:22,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:22:22,913 INFO L82 PathProgramCache]: Analyzing trace with hash 2121642840, now seen corresponding path program 1 times [2020-09-25 04:22:22,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:22:22,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1852297187] [2020-09-25 04:22:22,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:22:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:22:23,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:24,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:25,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:27,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:29,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:22:29,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-25 04:22:29,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:22:29,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6022 [2020-09-25 04:22:29,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:22:29,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:22:29,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-09-25 04:22:29,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 04:22:29,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-25 04:22:29,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:22:29,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:22:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:22:29,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:29,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:22:29,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:22:29,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:22:29,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:22:29,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:22:29,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:22:29,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:22:29,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:22:29,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:22:29,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:22:29,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 04:22:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:22:29,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:29,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:31,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:32,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:34,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:22:34,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-25 04:22:34,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:22:34,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-09-25 04:22:34,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:22:34,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:22:34,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-09-25 04:22:34,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:22:34,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 04:22:34,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:22:35,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 04:22:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:22:35,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:35,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:22:35,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 04:22:35,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:22:35,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-09-25 04:22:35,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:22:35,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:22:35,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 04:22:35,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:22:35,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 04:22:35,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:22:35,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:22:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:22:35,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:35,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:22:35,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:22:35,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:22:35,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 04:22:35,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:22:35,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:22:35,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:22:35,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:22:35,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 04:22:35,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:22:35,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-25 04:22:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:22:35,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:35,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:36,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:22:36,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 04:22:36,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:22:36,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 704 [2020-09-25 04:22:36,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:22:36,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:22:36,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-25 04:22:36,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:22:36,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 04:22:36,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:22:38,018 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2020-09-25 04:22:38,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:22:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:22:38,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:38,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:22:38,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:22:38,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:22:38,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-09-25 04:22:38,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:22:38,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:22:38,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 04:22:38,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:22:38,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 04:22:38,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:22:38,923 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 04:22:38,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1852297187] [2020-09-25 04:22:38,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 04:22:38,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-09-25 04:22:38,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614007774] [2020-09-25 04:22:38,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-09-25 04:22:38,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:22:38,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-09-25 04:22:38,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1033, Unknown=0, NotChecked=0, Total=1122 [2020-09-25 04:22:38,930 INFO L87 Difference]: Start difference. First operand 188 states and 208 transitions. Second operand 34 states. [2020-09-25 04:22:40,950 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-09-25 04:22:41,658 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2020-09-25 04:22:42,367 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-25 04:22:46,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:22:46,466 INFO L93 Difference]: Finished difference Result 270 states and 307 transitions. [2020-09-25 04:22:46,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-25 04:22:46,467 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 85 [2020-09-25 04:22:46,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:22:46,472 INFO L225 Difference]: With dead ends: 270 [2020-09-25 04:22:46,473 INFO L226 Difference]: Without dead ends: 267 [2020-09-25 04:22:46,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=270, Invalid=3036, Unknown=0, NotChecked=0, Total=3306 [2020-09-25 04:22:46,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-09-25 04:22:46,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 205. [2020-09-25 04:22:46,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-09-25 04:22:46,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 227 transitions. [2020-09-25 04:22:46,505 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 227 transitions. Word has length 85 [2020-09-25 04:22:46,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:22:46,506 INFO L479 AbstractCegarLoop]: Abstraction has 205 states and 227 transitions. [2020-09-25 04:22:46,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-09-25 04:22:46,506 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 227 transitions. [2020-09-25 04:22:46,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-09-25 04:22:46,509 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:22:46,509 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:22:46,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:22:46,510 INFO L427 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:22:46,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:22:46,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1210442558, now seen corresponding path program 1 times [2020-09-25 04:22:46,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:22:46,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1868310546] [2020-09-25 04:22:46,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:22:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:22:46,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:47,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:48,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:49,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:50,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:51,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:22:51,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-09-25 04:22:51,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:22:51,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-09-25 04:22:51,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:22:51,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:22:51,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-25 04:22:51,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 04:22:51,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-25 04:22:51,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 04:22:51,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:22:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:22:51,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:51,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:22:51,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:22:51,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:22:51,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:22:51,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:22:51,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:22:51,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:22:51,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:22:51,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:22:51,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:22:51,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 04:22:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:22:51,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:52,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:53,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:54,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:56,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:57,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:22:57,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-25 04:22:57,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:22:57,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5191 [2020-09-25 04:22:57,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:22:57,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:22:57,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-25 04:22:57,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:22:57,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 04:22:57,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:22:57,437 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2020-09-25 04:22:57,605 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2020-09-25 04:22:57,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 04:22:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:22:57,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:57,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:58,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:22:58,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 04:22:58,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:22:58,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 506 [2020-09-25 04:22:58,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:22:58,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:22:58,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 04:22:58,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:22:58,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 04:22:58,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:22:58,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:22:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:22:58,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:58,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:58,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:22:58,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:22:58,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:22:58,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-09-25 04:22:58,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:22:58,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:22:58,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:22:58,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:22:58,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 04:22:58,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:22:58,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-25 04:22:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:22:58,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:59,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:59,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:22:59,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 04:22:59,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:22:59,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 635 [2020-09-25 04:22:59,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:22:59,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:22:59,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-25 04:22:59,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:22:59,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 04:22:59,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:01,955 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2020-09-25 04:23:02,293 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-09-25 04:23:02,940 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75