/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 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=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 23:01:57,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 23:01:57,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 23:01:57,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 23:01:57,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 23:01:57,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 23:01:57,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 23:01:57,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 23:01:57,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 23:01:57,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 23:01:57,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 23:01:57,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 23:01:57,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 23:01:57,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 23:01:57,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 23:01:57,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 23:01:57,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 23:01:57,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 23:01:57,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 23:01:57,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 23:01:57,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 23:01:57,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 23:01:57,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 23:01:57,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 23:01:57,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 23:01:57,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 23:01:57,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 23:01:57,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 23:01:57,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 23:01:57,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 23:01:57,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 23:01:57,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 23:01:57,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 23:01:57,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 23:01:57,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 23:01:57,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 23:01:57,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 23:01:57,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 23:01:57,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 23:01:57,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 23:01:57,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 23:01:57,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-12 23:01:58,013 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 23:01:58,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 23:01:58,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 23:01:58,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 23:01:58,015 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 23:01:58,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 23:01:58,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 23:01:58,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 23:01:58,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 23:01:58,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 23:01:58,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 23:01:58,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 23:01:58,017 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 23:01:58,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 23:01:58,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 23:01:58,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 23:01:58,018 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 23:01:58,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 23:01:58,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 23:01:58,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 23:01:58,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 23:01:58,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 23:01:58,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 23:01:58,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 23:01:58,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 23:01:58,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 23:01:58,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-12 23:01:58,020 INFO L138 SettingsManager]: * To the following directory=dump/ 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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 23:01:58,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 23:01:58,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 23:01:58,307 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 23:01:58,309 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 23:01:58,309 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 23:01:58,310 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2020-10-12 23:01:58,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/362bf2284/b1508214bd9647299dff31e708f4bef0/FLAG6f8c8429a [2020-10-12 23:01:59,032 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 23:01:59,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2020-10-12 23:01:59,064 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/362bf2284/b1508214bd9647299dff31e708f4bef0/FLAG6f8c8429a [2020-10-12 23:01:59,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/362bf2284/b1508214bd9647299dff31e708f4bef0 [2020-10-12 23:01:59,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 23:01:59,197 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 23:01:59,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 23:01:59,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 23:01:59,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 23:01:59,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:01:59" (1/1) ... [2020-10-12 23:01:59,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4712c1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:01:59, skipping insertion in model container [2020-10-12 23:01:59,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:01:59" (1/1) ... [2020-10-12 23:01:59,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 23:01:59,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 23:02:00,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 23:02:00,273 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 23:02:00,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 23:02:00,538 INFO L208 MainTranslator]: Completed translation [2020-10-12 23:02:00,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:02:00 WrapperNode [2020-10-12 23:02:00,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 23:02:00,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 23:02:00,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 23:02:00,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 23:02:00,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:02:00" (1/1) ... [2020-10-12 23:02:00,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:02:00" (1/1) ... [2020-10-12 23:02:00,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:02:00" (1/1) ... [2020-10-12 23:02:00,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:02:00" (1/1) ... [2020-10-12 23:02:00,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:02:00" (1/1) ... [2020-10-12 23:02:00,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:02:00" (1/1) ... [2020-10-12 23:02:00,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:02:00" (1/1) ... [2020-10-12 23:02:00,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 23:02:00,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 23:02:00,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 23:02:00,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 23:02:00,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:02:00" (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 [2020-10-12 23:02:00,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 23:02:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 23:02:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-12 23:02:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-12 23:02:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2020-10-12 23:02:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2020-10-12 23:02:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2020-10-12 23:02:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2020-10-12 23:02:00,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2020-10-12 23:02:00,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2020-10-12 23:02:00,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2020-10-12 23:02:00,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2020-10-12 23:02:00,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2020-10-12 23:02:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 23:02:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-12 23:02:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-10-12 23:02:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-10-12 23:02:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-10-12 23:02:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-10-12 23:02:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-10-12 23:02:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-12 23:02:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2020-10-12 23:02:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2020-10-12 23:02:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2020-10-12 23:02:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-12 23:02:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2020-10-12 23:02:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2020-10-12 23:02:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-12 23:02:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2020-10-12 23:02:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2020-10-12 23:02:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2020-10-12 23:02:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2020-10-12 23:02:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2020-10-12 23:02:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-12 23:02:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 23:02:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-12 23:02:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2020-10-12 23:02:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2020-10-12 23:02:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2020-10-12 23:02:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-10-12 23:02:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-10-12 23:02:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-10-12 23:02:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-10-12 23:02:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-10-12 23:02:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2020-10-12 23:02:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2020-10-12 23:02:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2020-10-12 23:02:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2020-10-12 23:02:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2020-10-12 23:02:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2020-10-12 23:02:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2020-10-12 23:02:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2020-10-12 23:02:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2020-10-12 23:02:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2020-10-12 23:02:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2020-10-12 23:02:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2020-10-12 23:02:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 23:02:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 23:02:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 23:02:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 23:02:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-12 23:02:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2020-10-12 23:02:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 23:02:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-12 23:02:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2020-10-12 23:02:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2020-10-12 23:02:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-12 23:02:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-12 23:02:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 23:02:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 23:02:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-12 23:02:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2020-10-12 23:02:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 23:02:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-12 23:02:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 23:02:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 23:02:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-12 23:02:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 23:02:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 23:02:01,105 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 23:02:01,183 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-12 23:02:01,184 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-12 23:02:01,184 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 23:02:01,184 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 23:02:01,186 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 23:02:01,251 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2020-10-12 23:02:01,252 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2020-10-12 23:02:01,318 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-10-12 23:02:01,436 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 23:02:01,436 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 23:02:01,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:02:01 BoogieIcfgContainer [2020-10-12 23:02:01,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 23:02:01,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 23:02:01,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 23:02:01,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 23:02:01,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:01:59" (1/3) ... [2020-10-12 23:02:01,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367f89c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:02:01, skipping insertion in model container [2020-10-12 23:02:01,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:02:00" (2/3) ... [2020-10-12 23:02:01,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367f89c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:02:01, skipping insertion in model container [2020-10-12 23:02:01,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:02:01" (3/3) ... [2020-10-12 23:02:01,455 INFO L109 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-pppox.ko.cil.out.i [2020-10-12 23:02:01,466 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 23:02:01,475 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 23:02:01,490 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 23:02:01,519 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 23:02:01,519 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 23:02:01,519 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 23:02:01,519 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 23:02:01,519 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 23:02:01,520 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 23:02:01,520 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 23:02:01,520 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 23:02:01,539 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2020-10-12 23:02:01,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-12 23:02:01,546 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:02:01,547 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] [2020-10-12 23:02:01,547 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:02:01,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:02:01,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1611807670, now seen corresponding path program 1 times [2020-10-12 23:02:01,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:02:01,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [175749831] [2020-10-12 23:02:01,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:02:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:01,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:02,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:02,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 23:02:02,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:02,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 364 [2020-10-12 23:02:02,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:02,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 23:02:02,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:02:02,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 23:02:02,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-12 23:02:02,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:02:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:02,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:02,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:02,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:02,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:02,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-12 23:02:02,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:02,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:02,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:02,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:02:02,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:02,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:02:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:02,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:02,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:02,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:02:02,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:02,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 23:02:02,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:02,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:02,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:02,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:02:02,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:02,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:02:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:02,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:02,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:02,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:02:02,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:02,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 23:02:02,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:02,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:02,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:02,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 23:02:02,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:02,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:02:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:02,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:02,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:02,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:02,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:02,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 23:02:02,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:02,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:02,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:02,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:02,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:02:02,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:02:02,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [175749831] [2020-10-12 23:02:02,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:02:02,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-12 23:02:02,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336552451] [2020-10-12 23:02:02,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 23:02:02,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:02:02,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 23:02:02,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 23:02:02,559 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 4 states. [2020-10-12 23:02:03,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:02:03,212 INFO L93 Difference]: Finished difference Result 241 states and 297 transitions. [2020-10-12 23:02:03,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 23:02:03,215 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-10-12 23:02:03,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:02:03,229 INFO L225 Difference]: With dead ends: 241 [2020-10-12 23:02:03,229 INFO L226 Difference]: Without dead ends: 153 [2020-10-12 23:02:03,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 23:02:03,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-10-12 23:02:03,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 150. [2020-10-12 23:02:03,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-10-12 23:02:03,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2020-10-12 23:02:03,307 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 24 [2020-10-12 23:02:03,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:02:03,307 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2020-10-12 23:02:03,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 23:02:03,308 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2020-10-12 23:02:03,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-12 23:02:03,311 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:02:03,311 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:02:03,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 23:02:03,311 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:02:03,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:02:03,312 INFO L82 PathProgramCache]: Analyzing trace with hash 321457227, now seen corresponding path program 1 times [2020-10-12 23:02:03,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:02:03,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1639161368] [2020-10-12 23:02:03,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:02:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:03,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:03,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:03,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:04,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:08,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:08,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-12 23:02:08,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 23:02:08,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 23:02:08,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:08,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 23:02:08,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 23:02:08,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 23:02:08,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 23:02:08,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:02:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:08,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:08,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:08,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:08,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:08,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 23:02:08,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:08,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:08,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:08,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:08,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:02:08,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:02:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:08,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:08,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:08,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:02:08,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:08,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:02:08,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:08,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:08,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:08,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:08,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:02:08,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:02:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:08,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:08,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:08,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:02:08,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:08,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 23:02:08,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:08,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:08,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:08,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:08,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:02:08,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:02:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:08,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:08,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:08,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:08,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:08,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 23:02:08,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:08,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:08,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:08,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:08,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:08,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 23:02:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:08,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:08,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:08,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 23:02:08,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:08,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 23:02:08,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:08,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 23:02:08,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:08,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 23:02:08,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:08,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:02:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:08,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:09,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:09,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:02:09,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:09,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 23:02:09,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:09,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 23:02:09,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:09,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 23:02:09,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:09,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 23:02:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:09,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:09,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:09,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:09,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:09,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 23:02:09,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:09,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:09,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:09,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:02:09,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:02:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:02:09,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1639161368] [2020-10-12 23:02:09,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:02:09,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-12 23:02:09,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393828159] [2020-10-12 23:02:09,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 23:02:09,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:02:09,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 23:02:09,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2020-10-12 23:02:09,127 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 15 states. [2020-10-12 23:02:11,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:02:11,146 INFO L93 Difference]: Finished difference Result 276 states and 325 transitions. [2020-10-12 23:02:11,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-12 23:02:11,147 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 56 [2020-10-12 23:02:11,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:02:11,151 INFO L225 Difference]: With dead ends: 276 [2020-10-12 23:02:11,151 INFO L226 Difference]: Without dead ends: 194 [2020-10-12 23:02:11,154 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=107, Invalid=649, Unknown=0, NotChecked=0, Total=756 [2020-10-12 23:02:11,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-10-12 23:02:11,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 186. [2020-10-12 23:02:11,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-12 23:02:11,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 216 transitions. [2020-10-12 23:02:11,196 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 216 transitions. Word has length 56 [2020-10-12 23:02:11,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:02:11,197 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 216 transitions. [2020-10-12 23:02:11,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 23:02:11,197 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 216 transitions. [2020-10-12 23:02:11,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-12 23:02:11,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:02:11,202 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:02:11,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 23:02:11,203 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:02:11,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:02:11,203 INFO L82 PathProgramCache]: Analyzing trace with hash 962547624, now seen corresponding path program 1 times [2020-10-12 23:02:11,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:02:11,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2072511397] [2020-10-12 23:02:11,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:02:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:11,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:11,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:11,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:12,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:12,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 23:02:12,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 23:02:12,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1463 [2020-10-12 23:02:12,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:12,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 23:02:12,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-12 23:02:12,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 23:02:12,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:12,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:02:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:12,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:12,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:12,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:12,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:12,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:02:12,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:12,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:12,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:12,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:12,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:12,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:02:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:12,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:12,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:12,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:02:12,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:12,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:02:12,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:12,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:12,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:12,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:12,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:12,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:02:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:12,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:12,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:12,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:02:12,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:12,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:02:12,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:12,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:12,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:12,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:12,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:12,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:02:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:12,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:12,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:12,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:12,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:12,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:02:12,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:12,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:12,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:12,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:12,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:12,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 23:02:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:12,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:12,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:12,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 23:02:12,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:12,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-12 23:02:12,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:12,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 23:02:12,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:12,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 23:02:12,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:02:12,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:02:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:12,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:12,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:12,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 23:02:12,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:12,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 23:02:12,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:12,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 23:02:12,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:12,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 23:02:12,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:02:13,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 23:02:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:13,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:13,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:13,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:13,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:13,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:02:13,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:13,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:13,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:13,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:13,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:02:13,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 23:02:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:13,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:13,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:13,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:13,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:13,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:02:13,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:13,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:13,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:02:13,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:13,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:02:13,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:02:13,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2072511397] [2020-10-12 23:02:13,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:02:13,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 23:02:13,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985440678] [2020-10-12 23:02:13,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 23:02:13,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:02:13,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 23:02:13,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-12 23:02:13,055 INFO L87 Difference]: Start difference. First operand 186 states and 216 transitions. Second operand 9 states. [2020-10-12 23:02:13,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:02:13,895 INFO L93 Difference]: Finished difference Result 319 states and 377 transitions. [2020-10-12 23:02:13,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 23:02:13,896 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-10-12 23:02:13,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:02:13,898 INFO L225 Difference]: With dead ends: 319 [2020-10-12 23:02:13,898 INFO L226 Difference]: Without dead ends: 153 [2020-10-12 23:02:13,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-10-12 23:02:13,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-10-12 23:02:13,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 126. [2020-10-12 23:02:13,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-12 23:02:13,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 146 transitions. [2020-10-12 23:02:13,920 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 146 transitions. Word has length 62 [2020-10-12 23:02:13,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:02:13,920 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 146 transitions. [2020-10-12 23:02:13,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 23:02:13,921 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 146 transitions. [2020-10-12 23:02:13,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-12 23:02:13,922 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:02:13,922 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:02:13,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 23:02:13,923 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:02:13,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:02:13,923 INFO L82 PathProgramCache]: Analyzing trace with hash 751196711, now seen corresponding path program 1 times [2020-10-12 23:02:13,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:02:13,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [959795205] [2020-10-12 23:02:13,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:02:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:13,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:14,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:14,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:15,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:15,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 23:02:15,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 23:02:15,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2051 [2020-10-12 23:02:16,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:16,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 23:02:16,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:02:16,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-12 23:02:16,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:16,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:02:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:16,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:16,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:16,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:16,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:16,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 23:02:16,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:16,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:16,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:16,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:02:16,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:16,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:02:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:16,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:16,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:16,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:02:16,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:16,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:02:16,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:16,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:16,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:16,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:02:16,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:16,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:02:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:16,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:16,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:16,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:02:16,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:16,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:02:16,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:16,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:16,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:16,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 23:02:16,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:16,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:02:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:16,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:16,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:16,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:16,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:16,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 23:02:16,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:16,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:16,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:16,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 23:02:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:16,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:16,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:16,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 23:02:16,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:16,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 23:02:16,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 23:02:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 23:02:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 23:02:16,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:16,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:02:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:16,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:16,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:16,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 23:02:16,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:16,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 23:02:16,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:16,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 23:02:16,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 23:02:16,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 23:02:16,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:16,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 23:02:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:16,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:16,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:16,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:16,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:16,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:02:16,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:16,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:16,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:16,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:02:16,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:02:16,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 23:02:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:16,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:16,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:16,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:16,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:16,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:02:16,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:16,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:16,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:16,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:02:16,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:02:16,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [959795205] [2020-10-12 23:02:16,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:02:16,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 23:02:16,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297716312] [2020-10-12 23:02:16,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 23:02:16,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:02:16,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 23:02:16,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-12 23:02:16,377 INFO L87 Difference]: Start difference. First operand 126 states and 146 transitions. Second operand 8 states. [2020-10-12 23:02:17,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:02:17,141 INFO L93 Difference]: Finished difference Result 210 states and 242 transitions. [2020-10-12 23:02:17,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 23:02:17,144 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 62 [2020-10-12 23:02:17,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:02:17,147 INFO L225 Difference]: With dead ends: 210 [2020-10-12 23:02:17,147 INFO L226 Difference]: Without dead ends: 207 [2020-10-12 23:02:17,148 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-12 23:02:17,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2020-10-12 23:02:17,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 190. [2020-10-12 23:02:17,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-10-12 23:02:17,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 224 transitions. [2020-10-12 23:02:17,184 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 224 transitions. Word has length 62 [2020-10-12 23:02:17,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:02:17,186 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 224 transitions. [2020-10-12 23:02:17,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 23:02:17,186 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 224 transitions. [2020-10-12 23:02:17,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-12 23:02:17,193 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:02:17,194 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:02:17,194 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 23:02:17,194 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:02:17,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:02:17,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1928601058, now seen corresponding path program 1 times [2020-10-12 23:02:17,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:02:17,196 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1294937923] [2020-10-12 23:02:17,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:02:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:17,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:17,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:17,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:18,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:18,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-12 23:02:18,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 23:02:18,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 921 [2020-10-12 23:02:18,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:18,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 23:02:18,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-12 23:02:18,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 23:02:18,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:18,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:02:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:18,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:18,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:18,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:18,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:18,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:02:18,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:18,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:18,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:18,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:18,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:18,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:02:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:18,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:18,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:18,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:02:18,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:18,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 23:02:18,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:18,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:18,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:18,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:18,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:18,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:02:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:18,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:18,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:18,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:02:18,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:18,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:02:18,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:18,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:18,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:18,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:18,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:18,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:02:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:18,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:18,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:18,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:18,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:18,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 23:02:18,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:18,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:18,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:18,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:18,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:18,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:02:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:18,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:18,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:18,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:18,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 23:02:18,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 23:02:18,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-10-12 23:02:18,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:18,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 23:02:18,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-12 23:02:18,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 23:02:18,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:18,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:02:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:18,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:18,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:18,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 23:02:18,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:18,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 23:02:18,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:18,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 23:02:18,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:18,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 23:02:18,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:18,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:02:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:18,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:18,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:18,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 23:02:18,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:18,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 23:02:18,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:18,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 23:02:18,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:18,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 23:02:18,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:18,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 23:02:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:18,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:18,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:18,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:18,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:18,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 23:02:18,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:18,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:18,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:18,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:18,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:02:18,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 23:02:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:18,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:18,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:18,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 23:02:18,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:18,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:02:18,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:18,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:18,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 23:02:18,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:18,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:18,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:02:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:18,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:18,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:18,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:18,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:18,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 23:02:18,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:18,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:18,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:18,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:18,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:18,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:02:18,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1294937923] [2020-10-12 23:02:18,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:02:18,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 23:02:18,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633156530] [2020-10-12 23:02:18,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 23:02:18,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:02:18,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 23:02:18,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-12 23:02:18,668 INFO L87 Difference]: Start difference. First operand 190 states and 224 transitions. Second operand 9 states. [2020-10-12 23:02:19,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:02:19,113 INFO L93 Difference]: Finished difference Result 330 states and 390 transitions. [2020-10-12 23:02:19,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 23:02:19,114 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2020-10-12 23:02:19,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:02:19,116 INFO L225 Difference]: With dead ends: 330 [2020-10-12 23:02:19,116 INFO L226 Difference]: Without dead ends: 193 [2020-10-12 23:02:19,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-12 23:02:19,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-10-12 23:02:19,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 190. [2020-10-12 23:02:19,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-10-12 23:02:19,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 222 transitions. [2020-10-12 23:02:19,136 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 222 transitions. Word has length 66 [2020-10-12 23:02:19,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:02:19,136 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 222 transitions. [2020-10-12 23:02:19,136 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 23:02:19,136 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 222 transitions. [2020-10-12 23:02:19,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-12 23:02:19,137 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:02:19,138 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:02:19,138 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 23:02:19,138 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:02:19,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:02:19,138 INFO L82 PathProgramCache]: Analyzing trace with hash -167984647, now seen corresponding path program 1 times [2020-10-12 23:02:19,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:02:19,139 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [266515995] [2020-10-12 23:02:19,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:02:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:19,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:19,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:19,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:20,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:20,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-12 23:02:20,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 23:02:20,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1415 [2020-10-12 23:02:20,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:20,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 23:02:20,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 23:02:20,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 23:02:20,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:20,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:02:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:20,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:20,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:20,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:20,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:20,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:02:20,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:20,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:20,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:20,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:20,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:20,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:02:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:20,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:20,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:20,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:02:20,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:20,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 23:02:20,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:20,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:20,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:20,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:20,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:02:20,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:02:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:20,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:20,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:20,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:02:20,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:20,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:02:20,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:20,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:20,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:20,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:20,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:20,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:02:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:20,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:20,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:20,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:20,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:20,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 23:02:20,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:20,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:20,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:20,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:20,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:20,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:02:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:20,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:20,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:21,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:21,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-12 23:02:21,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 23:02:21,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 584 [2020-10-12 23:02:21,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:21,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 23:02:21,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 23:02:21,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 23:02:21,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:02:21,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:02:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:21,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:21,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:21,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 23:02:21,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:21,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-12 23:02:21,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:21,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 23:02:21,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:21,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 23:02:21,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:02:21,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:02:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:21,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:21,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:21,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 23:02:21,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:21,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 23:02:21,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:21,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 23:02:21,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:21,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 23:02:21,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:02:21,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 23:02:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:21,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:21,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:21,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:21,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:21,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 23:02:21,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:21,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:21,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:21,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:02:21,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:02:21,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:02:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:21,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:21,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:21,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:21,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:21,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:02:21,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:21,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:21,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:21,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:02:21,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:21,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 23:02:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:21,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:21,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:21,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:02:21,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:21,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 23:02:21,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:21,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 23:02:21,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 23:02:21,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 23:02:21,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:21,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:02:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:21,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:21,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:21,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:02:21,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:21,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 23:02:21,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:21,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 23:02:21,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:21,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 23:02:21,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:21,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 23:02:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:21,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:21,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:21,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 23:02:21,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:21,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:02:21,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:21,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:21,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 23:02:21,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:21,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:21,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:02:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:21,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:21,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:21,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:21,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:21,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 23:02:21,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:21,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:21,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:21,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:21,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:21,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:02:21,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [266515995] [2020-10-12 23:02:21,918 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:02:21,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-12 23:02:21,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733776318] [2020-10-12 23:02:21,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 23:02:21,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:02:21,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 23:02:21,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2020-10-12 23:02:21,920 INFO L87 Difference]: Start difference. First operand 190 states and 222 transitions. Second operand 15 states. [2020-10-12 23:02:23,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:02:23,666 INFO L93 Difference]: Finished difference Result 309 states and 352 transitions. [2020-10-12 23:02:23,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 23:02:23,668 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 81 [2020-10-12 23:02:23,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:02:23,669 INFO L225 Difference]: With dead ends: 309 [2020-10-12 23:02:23,669 INFO L226 Difference]: Without dead ends: 164 [2020-10-12 23:02:23,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=113, Invalid=757, Unknown=0, NotChecked=0, Total=870 [2020-10-12 23:02:23,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-10-12 23:02:23,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 144. [2020-10-12 23:02:23,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-10-12 23:02:23,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 162 transitions. [2020-10-12 23:02:23,686 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 162 transitions. Word has length 81 [2020-10-12 23:02:23,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:02:23,686 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 162 transitions. [2020-10-12 23:02:23,686 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 23:02:23,686 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 162 transitions. [2020-10-12 23:02:23,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-12 23:02:23,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:02:23,688 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:02:23,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 23:02:23,688 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:02:23,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:02:23,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1293649743, now seen corresponding path program 1 times [2020-10-12 23:02:23,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:02:23,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [15684936] [2020-10-12 23:02:23,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:02:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:23,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:23,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:23,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:25,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:25,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 23:02:25,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 23:02:25,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2272 [2020-10-12 23:02:25,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:25,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 23:02:25,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:02:25,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-12 23:02:25,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:26,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:02:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:26,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:26,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:26,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:26,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:26,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 23:02:26,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:26,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:26,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:26,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:02:26,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:26,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:02:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:26,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:26,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:26,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:02:26,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:26,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 23:02:26,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:26,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:26,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:26,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:02:26,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:26,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:02:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:26,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:26,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:26,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:02:26,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:26,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:02:26,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:26,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:26,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:26,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 23:02:26,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:26,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:02:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:26,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:26,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:26,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:26,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:26,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 23:02:26,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:26,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:26,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:26,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:26,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:26,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:02:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:26,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:26,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:26,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:26,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 23:02:26,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 23:02:26,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 410 [2020-10-12 23:02:26,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:26,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 23:02:26,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 23:02:26,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 23:02:26,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:26,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:02:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:26,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:26,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:26,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 23:02:26,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:26,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 23:02:26,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:26,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 23:02:26,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 23:02:26,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 23:02:26,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:26,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:02:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:26,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:26,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:26,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 23:02:26,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:26,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 23:02:26,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:26,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 23:02:26,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 23:02:26,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 23:02:26,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:26,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 23:02:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:26,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:26,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:26,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:26,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:26,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:02:26,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:26,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:26,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:26,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:02:26,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:26,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:02:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:26,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:26,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:26,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:26,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:26,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:02:26,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:26,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:26,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:26,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:02:26,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:26,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 23:02:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:26,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:26,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:26,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 23:02:26,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:26,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 23:02:26,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:26,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 23:02:26,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 23:02:26,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 23:02:26,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:26,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:02:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:26,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:26,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:26,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 23:02:26,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:26,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 23:02:26,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:26,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 23:02:26,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 23:02:26,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 23:02:26,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:26,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 23:02:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:26,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:26,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:26,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 23:02:26,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:26,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:02:26,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:26,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:26,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:26,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 23:02:26,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:26,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:02:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:26,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:26,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:26,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:26,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:26,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 23:02:26,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:26,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:26,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:26,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:26,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:26,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-12 23:02:26,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [15684936] [2020-10-12 23:02:26,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:02:26,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 23:02:26,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068919785] [2020-10-12 23:02:26,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 23:02:26,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:02:26,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 23:02:26,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-12 23:02:26,805 INFO L87 Difference]: Start difference. First operand 144 states and 162 transitions. Second operand 8 states. [2020-10-12 23:02:27,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:02:27,198 INFO L93 Difference]: Finished difference Result 146 states and 163 transitions. [2020-10-12 23:02:27,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 23:02:27,202 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2020-10-12 23:02:27,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:02:27,204 INFO L225 Difference]: With dead ends: 146 [2020-10-12 23:02:27,204 INFO L226 Difference]: Without dead ends: 134 [2020-10-12 23:02:27,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-12 23:02:27,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-12 23:02:27,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-10-12 23:02:27,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-12 23:02:27,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 151 transitions. [2020-10-12 23:02:27,220 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 151 transitions. Word has length 83 [2020-10-12 23:02:27,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:02:27,221 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 151 transitions. [2020-10-12 23:02:27,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 23:02:27,222 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 151 transitions. [2020-10-12 23:02:27,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-12 23:02:27,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:02:27,228 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 23:02:27,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 23:02:27,233 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:02:27,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:02:27,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1759774869, now seen corresponding path program 1 times [2020-10-12 23:02:27,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:02:27,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1958504667] [2020-10-12 23:02:27,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:02:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:27,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:27,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:27,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:27,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:27,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:27,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:28,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:28,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:28,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:28,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:29,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:29,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:29,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:31,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:32,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:32,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-12 23:02:32,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-12 23:02:32,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 23:02:32,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:32,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 23:02:32,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:02:32,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-12 23:02:32,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:02:32,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:02:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:32,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:32,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:32,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:32,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:32,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 23:02:32,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:32,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:32,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:32,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:02:32,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:02:32,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:02:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:32,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:32,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:32,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:02:32,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:32,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 23:02:32,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:32,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:32,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:32,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:02:32,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:32,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:02:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:32,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:32,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:32,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:02:32,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:32,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 23:02:32,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:32,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:32,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:32,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 23:02:32,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:02:32,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:02:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:32,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:32,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:32,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:32,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:32,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 23:02:32,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:32,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:02:32,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:32,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:02:32,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:32,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:02:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:32,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:32,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:32,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:33,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:33,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 23:02:33,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 23:02:33,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 562 [2020-10-12 23:02:33,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:33,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 23:02:33,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 23:02:33,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 23:02:33,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:33,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:02:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:33,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:33,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:33,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 23:02:33,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:33,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 23:02:33,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:33,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 23:02:33,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 23:02:33,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 23:02:33,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:33,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:02:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:33,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:33,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:33,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 23:02:33,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:33,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 23:02:33,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:33,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 23:02:33,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 23:02:33,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 23:02:33,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:33,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 23:02:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:33,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:33,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:33,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:33,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:33,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 23:02:33,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:33,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:33,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:33,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:02:33,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:33,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:02:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:33,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:33,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:33,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:33,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:33,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:02:33,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:33,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:33,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:33,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:02:33,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:33,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 23:02:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:33,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:33,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:33,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 23:02:33,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:33,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 23:02:33,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:33,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 23:02:33,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 23:02:33,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 23:02:33,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:33,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:02:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:33,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:33,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:33,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 23:02:33,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:33,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 23:02:33,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 23:02:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 23:02:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 23:02:33,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:33,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 23:02:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:33,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:33,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:33,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 23:02:33,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:33,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 23:02:33,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:33,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 23:02:33,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 23:02:33,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 23:02:33,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:33,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:02:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:33,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:33,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:33,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 23:02:33,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:33,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 23:02:33,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:33,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 23:02:33,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 23:02:33,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 23:02:33,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:33,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 23:02:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:33,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:33,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:33,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:33,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:33,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:02:33,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:33,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:33,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:33,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:02:33,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:33,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 23:02:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:33,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:33,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:02:33,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:02:33,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:02:33,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:02:33,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:02:33,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:02:33,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:02:33,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:02:33,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:02:33,341 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-12 23:02:33,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1958504667] [2020-10-12 23:02:33,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 23:02:33,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 23:02:33,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949433826] [2020-10-12 23:02:33,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 23:02:33,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:02:33,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 23:02:33,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-12 23:02:33,344 INFO L87 Difference]: Start difference. First operand 134 states and 151 transitions. Second operand 10 states. [2020-10-12 23:02:33,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:02:33,902 INFO L93 Difference]: Finished difference Result 134 states and 151 transitions. [2020-10-12 23:02:33,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 23:02:33,903 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 112 [2020-10-12 23:02:33,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:02:33,903 INFO L225 Difference]: With dead ends: 134 [2020-10-12 23:02:33,904 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 23:02:33,904 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2020-10-12 23:02:33,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 23:02:33,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 23:02:33,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 23:02:33,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 23:02:33,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2020-10-12 23:02:33,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:02:33,906 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 23:02:33,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 23:02:33,907 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 23:02:33,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 23:02:33,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 23:02:33,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 23:02:35,141 INFO L268 CegarLoopResult]: For program point L4992-2(lines 4989 4998) no Hoare annotation was computed. [2020-10-12 23:02:35,141 INFO L268 CegarLoopResult]: For program point L4992(lines 4992 4995) no Hoare annotation was computed. [2020-10-12 23:02:35,141 INFO L268 CegarLoopResult]: For program point ldv_module_getEXIT(lines 4989 4998) no Hoare annotation was computed. [2020-10-12 23:02:35,141 INFO L268 CegarLoopResult]: For program point ldv_module_getENTRY(lines 4989 4998) no Hoare annotation was computed. [2020-10-12 23:02:35,141 INFO L268 CegarLoopResult]: For program point kfreeEXIT(lines 5114 5116) no Hoare annotation was computed. [2020-10-12 23:02:35,141 INFO L268 CegarLoopResult]: For program point kfreeENTRY(lines 5114 5116) no Hoare annotation was computed. [2020-10-12 23:02:35,142 INFO L268 CegarLoopResult]: For program point kfreeFINAL(lines 5114 5116) no Hoare annotation was computed. [2020-10-12 23:02:35,142 INFO L268 CegarLoopResult]: For program point might_faultFINAL(lines 5093 5095) no Hoare annotation was computed. [2020-10-12 23:02:35,142 INFO L268 CegarLoopResult]: For program point might_faultEXIT(lines 5093 5095) no Hoare annotation was computed. [2020-10-12 23:02:35,142 INFO L268 CegarLoopResult]: For program point lock_sockENTRY(lines 4708 4716) no Hoare annotation was computed. [2020-10-12 23:02:35,142 INFO L268 CegarLoopResult]: For program point lock_sockFINAL(lines 4708 4716) no Hoare annotation was computed. [2020-10-12 23:02:35,142 INFO L268 CegarLoopResult]: For program point L4712(line 4712) no Hoare annotation was computed. [2020-10-12 23:02:35,142 INFO L268 CegarLoopResult]: For program point lock_sockEXIT(lines 4708 4716) no Hoare annotation was computed. [2020-10-12 23:02:35,142 INFO L268 CegarLoopResult]: For program point L4788-1(lines 4783 4859) no Hoare annotation was computed. [2020-10-12 23:02:35,143 INFO L268 CegarLoopResult]: For program point L4788(line 4788) no Hoare annotation was computed. [2020-10-12 23:02:35,143 INFO L268 CegarLoopResult]: For program point L4797(lines 4797 4800) no Hoare annotation was computed. [2020-10-12 23:02:35,143 INFO L268 CegarLoopResult]: For program point L4793(lines 4792 4853) no Hoare annotation was computed. [2020-10-12 23:02:35,144 INFO L268 CegarLoopResult]: For program point pppox_ioctlFINAL(lines 4774 4860) no Hoare annotation was computed. [2020-10-12 23:02:35,144 INFO L268 CegarLoopResult]: For program point L4794(lines 4794 4852) no Hoare annotation was computed. [2020-10-12 23:02:35,144 INFO L268 CegarLoopResult]: For program point L4856(line 4856) no Hoare annotation was computed. [2020-10-12 23:02:35,144 INFO L268 CegarLoopResult]: For program point L4786(line 4786) no Hoare annotation was computed. [2020-10-12 23:02:35,145 INFO L268 CegarLoopResult]: For program point L4786-1(line 4786) no Hoare annotation was computed. [2020-10-12 23:02:35,145 INFO L268 CegarLoopResult]: For program point L4807(lines 4807 4831) no Hoare annotation was computed. [2020-10-12 23:02:35,145 INFO L268 CegarLoopResult]: For program point pppox_ioctlEXIT(lines 4774 4860) no Hoare annotation was computed. [2020-10-12 23:02:35,145 INFO L268 CegarLoopResult]: For program point L4803(line 4803) no Hoare annotation was computed. [2020-10-12 23:02:35,145 INFO L268 CegarLoopResult]: For program point L4803-1(line 4803) no Hoare annotation was computed. [2020-10-12 23:02:35,145 INFO L268 CegarLoopResult]: For program point pppox_ioctlENTRY(lines 4774 4860) no Hoare annotation was computed. [2020-10-12 23:02:35,145 INFO L268 CegarLoopResult]: For program point L4832(lines 4794 4851) no Hoare annotation was computed. [2020-10-12 23:02:35,145 INFO L268 CegarLoopResult]: For program point L4791(lines 4790 4853) no Hoare annotation was computed. [2020-10-12 23:02:35,145 INFO L268 CegarLoopResult]: For program point L4845(line 4845) no Hoare annotation was computed. [2020-10-12 23:02:35,146 INFO L268 CegarLoopResult]: For program point L4845-1(line 4845) no Hoare annotation was computed. [2020-10-12 23:02:35,146 INFO L268 CegarLoopResult]: For program point L4841(lines 4841 4850) no Hoare annotation was computed. [2020-10-12 23:02:35,146 INFO L268 CegarLoopResult]: For program point L4804-1(line 4804) no Hoare annotation was computed. [2020-10-12 23:02:35,146 INFO L268 CegarLoopResult]: For program point L4804(line 4804) no Hoare annotation was computed. [2020-10-12 23:02:35,146 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 4922 4980) no Hoare annotation was computed. [2020-10-12 23:02:35,146 INFO L268 CegarLoopResult]: For program point L4945(lines 4945 4959) no Hoare annotation was computed. [2020-10-12 23:02:35,146 INFO L268 CegarLoopResult]: For program point L4976(line 4976) no Hoare annotation was computed. [2020-10-12 23:02:35,146 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 4922 4980) no Hoare annotation was computed. [2020-10-12 23:02:35,147 INFO L264 CegarLoopResult]: At program point L4972(lines 4930 4979) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 1) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-10-12 23:02:35,147 INFO L264 CegarLoopResult]: At program point L4966(lines 4930 4979) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-10-12 23:02:35,147 INFO L264 CegarLoopResult]: At program point L4968(lines 4930 4979) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 1) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-10-12 23:02:35,147 INFO L264 CegarLoopResult]: At program point L4933(line 4933) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-10-12 23:02:35,147 INFO L264 CegarLoopResult]: At program point L4933-1(line 4933) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-10-12 23:02:35,149 INFO L264 CegarLoopResult]: At program point L4960(lines 4930 4979) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-10-12 23:02:35,150 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 4922 4980) the Hoare annotation is: (or (and (= ~ldv_module_refcounter~0 1) (= |old(~LDV_IN_INTERRUPT~0)| ~LDV_IN_INTERRUPT~0)) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-10-12 23:02:35,152 INFO L268 CegarLoopResult]: For program point L4952(line 4952) no Hoare annotation was computed. [2020-10-12 23:02:35,153 INFO L264 CegarLoopResult]: At program point L4946(lines 4945 4959) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-10-12 23:02:35,154 INFO L268 CegarLoopResult]: For program point L4934(line 4934) no Hoare annotation was computed. [2020-10-12 23:02:35,154 INFO L268 CegarLoopResult]: For program point L4936(lines 4936 4939) no Hoare annotation was computed. [2020-10-12 23:02:35,154 INFO L268 CegarLoopResult]: For program point L4965(lines 4965 4969) no Hoare annotation was computed. [2020-10-12 23:02:35,154 INFO L268 CegarLoopResult]: For program point L5006(lines 5006 5011) no Hoare annotation was computed. [2020-10-12 23:02:35,154 INFO L264 CegarLoopResult]: At program point ldv_try_module_getENTRY(lines 4999 5016) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 1) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-10-12 23:02:35,154 INFO L268 CegarLoopResult]: For program point L5004-1(line 5004) no Hoare annotation was computed. [2020-10-12 23:02:35,154 INFO L268 CegarLoopResult]: For program point L5002(lines 5002 5013) no Hoare annotation was computed. [2020-10-12 23:02:35,155 INFO L264 CegarLoopResult]: At program point L5004(line 5004) the Hoare annotation is: (or (and (= ~ldv_module_refcounter~0 1) (= ldv_try_module_get_~module.base |ldv_try_module_get_#in~module.base|) (= ldv_try_module_get_~module.offset |ldv_try_module_get_#in~module.offset|) (<= (+ |ldv_try_module_get_#in~module.base| |ldv_try_module_get_#in~module.offset|) (+ (* 18446744073709551616 (div (+ |ldv_try_module_get_#in~module.base| |ldv_try_module_get_#in~module.offset| (- 1)) 18446744073709551616)) 18446744073709551615))) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-10-12 23:02:35,155 INFO L268 CegarLoopResult]: For program point ldv_try_module_getFINAL(lines 4999 5016) no Hoare annotation was computed. [2020-10-12 23:02:35,155 INFO L268 CegarLoopResult]: For program point ldv_try_module_getEXIT(lines 4999 5016) no Hoare annotation was computed. [2020-10-12 23:02:35,155 INFO L268 CegarLoopResult]: For program point lock_sock_nestedFINAL(lines 5090 5092) no Hoare annotation was computed. [2020-10-12 23:02:35,155 INFO L268 CegarLoopResult]: For program point lock_sock_nestedENTRY(lines 5090 5092) no Hoare annotation was computed. [2020-10-12 23:02:35,155 INFO L268 CegarLoopResult]: For program point lock_sock_nestedEXIT(lines 5090 5092) no Hoare annotation was computed. [2020-10-12 23:02:35,155 INFO L268 CegarLoopResult]: For program point ##fun~$Pointer$~X~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-12 23:02:35,155 INFO L268 CegarLoopResult]: For program point ##fun~$Pointer$~X~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-12 23:02:35,155 INFO L268 CegarLoopResult]: For program point ##fun~$Pointer$~X~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-12 23:02:35,156 INFO L271 CegarLoopResult]: At program point sock_unregisterENTRY(lines 5110 5112) the Hoare annotation is: true [2020-10-12 23:02:35,156 INFO L268 CegarLoopResult]: For program point sock_unregisterEXIT(lines 5110 5112) no Hoare annotation was computed. [2020-10-12 23:02:35,156 INFO L268 CegarLoopResult]: For program point sock_unregisterFINAL(lines 5110 5112) no Hoare annotation was computed. [2020-10-12 23:02:35,156 INFO L268 CegarLoopResult]: For program point pppox_skEXIT(lines 4718 4723) no Hoare annotation was computed. [2020-10-12 23:02:35,156 INFO L268 CegarLoopResult]: For program point pppox_skENTRY(lines 4718 4723) no Hoare annotation was computed. [2020-10-12 23:02:35,156 INFO L268 CegarLoopResult]: For program point pppox_skFINAL(lines 4718 4723) no Hoare annotation was computed. [2020-10-12 23:02:35,156 INFO L271 CegarLoopResult]: At program point ldv_undefined_intENTRY(lines 5087 5089) the Hoare annotation is: true [2020-10-12 23:02:35,156 INFO L268 CegarLoopResult]: For program point ldv_undefined_intEXIT(lines 5087 5089) no Hoare annotation was computed. [2020-10-12 23:02:35,156 INFO L268 CegarLoopResult]: For program point ldv_undefined_intFINAL(lines 5087 5089) no Hoare annotation was computed. [2020-10-12 23:02:35,157 INFO L268 CegarLoopResult]: For program point __request_moduleEXIT(lines 5080 5082) no Hoare annotation was computed. [2020-10-12 23:02:35,157 INFO L268 CegarLoopResult]: For program point __request_moduleENTRY(lines 5080 5082) no Hoare annotation was computed. [2020-10-12 23:02:35,157 INFO L268 CegarLoopResult]: For program point __request_moduleFINAL(lines 5080 5082) no Hoare annotation was computed. [2020-10-12 23:02:35,157 INFO L264 CegarLoopResult]: At program point L4895(lines 4864 4897) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 1) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-10-12 23:02:35,157 INFO L264 CegarLoopResult]: At program point L4893(line 4893) the Hoare annotation is: (or (not (= |old(~ldv_module_refcounter~0)| 1)) (let ((.cse5 (+ |old(~ldv_module_refcounter~0)| 1))) (and (<= (+ |pppox_create_#t~mem45.base| |pppox_create_#t~mem45.offset|) (+ (* 18446744073709551616 (div (+ |pppox_create_#t~mem45.base| |pppox_create_#t~mem45.offset| (- 1)) 18446744073709551616)) 18446744073709551615)) (let ((.cse4 (+ (* pppox_create_~protocol 8) |~#pppox_protos~0.offset|))) (let ((.cse2 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse4)) (.cse3 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse4) 16))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse2) .cse3)) (.cse1 (select (select |#memory_$Pointer$.offset| .cse2) .cse3))) (<= (+ .cse0 .cse1) (+ (* 18446744073709551616 (div (+ .cse0 .cse1 (- 1)) 18446744073709551616)) 18446744073709551615))))) (<= .cse5 ~ldv_module_refcounter~0) (not (= pppox_create_~tmp~2 0)) (<= ~ldv_module_refcounter~0 .cse5)))) [2020-10-12 23:02:35,158 INFO L268 CegarLoopResult]: For program point L4893-1(line 4893) no Hoare annotation was computed. [2020-10-12 23:02:35,158 INFO L268 CegarLoopResult]: For program point pppox_createFINAL(lines 4861 4898) no Hoare annotation was computed. [2020-10-12 23:02:35,161 INFO L268 CegarLoopResult]: For program point L4869(lines 4869 4872) no Hoare annotation was computed. [2020-10-12 23:02:35,161 INFO L268 CegarLoopResult]: For program point L4892-1(line 4892) no Hoare annotation was computed. [2020-10-12 23:02:35,161 INFO L264 CegarLoopResult]: At program point pppox_createENTRY(lines 4861 4898) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 1) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-10-12 23:02:35,162 INFO L264 CegarLoopResult]: At program point L4892(line 4892) the Hoare annotation is: (or (not (= |old(~ldv_module_refcounter~0)| 1)) (let ((.cse5 (+ |old(~ldv_module_refcounter~0)| 1))) (and (let ((.cse4 (+ (* pppox_create_~protocol 8) |~#pppox_protos~0.offset|))) (let ((.cse2 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse4)) (.cse3 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse4) 16))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse2) .cse3)) (.cse1 (select (select |#memory_$Pointer$.offset| .cse2) .cse3))) (<= (+ .cse0 .cse1) (+ (* 18446744073709551616 (div (+ .cse0 .cse1 (- 1)) 18446744073709551616)) 18446744073709551615))))) (<= .cse5 ~ldv_module_refcounter~0) (not (= pppox_create_~tmp~2 0)) (<= ~ldv_module_refcounter~0 .cse5)))) [2020-10-12 23:02:35,162 INFO L268 CegarLoopResult]: For program point L4886(lines 4886 4889) no Hoare annotation was computed. [2020-10-12 23:02:35,162 INFO L268 CegarLoopResult]: For program point L4884-1(line 4884) no Hoare annotation was computed. [2020-10-12 23:02:35,162 INFO L264 CegarLoopResult]: At program point L4884(line 4884) the Hoare annotation is: (or (not (= |old(~ldv_module_refcounter~0)| 1)) (let ((.cse2 (+ (* pppox_create_~protocol 8) |~#pppox_protos~0.offset|))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse2)) (.cse1 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse2) 16))) (and (= |pppox_create_#t~mem35.base| (select (select |#memory_$Pointer$.base| .cse0) .cse1)) (= |pppox_create_#t~mem35.offset| (select (select |#memory_$Pointer$.offset| .cse0) .cse1)) (= ~ldv_module_refcounter~0 1))))) [2020-10-12 23:02:35,162 INFO L268 CegarLoopResult]: For program point L4880(lines 4880 4890) no Hoare annotation was computed. [2020-10-12 23:02:35,162 INFO L268 CegarLoopResult]: For program point L4874(lines 4874 4879) no Hoare annotation was computed. [2020-10-12 23:02:35,163 INFO L268 CegarLoopResult]: For program point pppox_createEXIT(lines 4861 4898) no Hoare annotation was computed. [2020-10-12 23:02:35,163 INFO L268 CegarLoopResult]: For program point L4874-2(lines 4874 4879) no Hoare annotation was computed. [2020-10-12 23:02:35,163 INFO L268 CegarLoopResult]: For program point L4866(lines 4866 4872) no Hoare annotation was computed. [2020-10-12 23:02:35,163 INFO L271 CegarLoopResult]: At program point ldv_initializeFINAL(lines 5083 5085) the Hoare annotation is: true [2020-10-12 23:02:35,163 INFO L268 CegarLoopResult]: For program point ldv_initializeEXIT(lines 5083 5085) no Hoare annotation was computed. [2020-10-12 23:02:35,163 INFO L268 CegarLoopResult]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-12 23:02:35,163 INFO L271 CegarLoopResult]: At program point ##fun~$Pointer$~X~$Pointer$~TO~intENTRY(line -1) the Hoare annotation is: true [2020-10-12 23:02:35,163 INFO L268 CegarLoopResult]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-12 23:02:35,163 INFO L268 CegarLoopResult]: For program point ldv_module_put_and_exitEXIT(lines 5033 5042) no Hoare annotation was computed. [2020-10-12 23:02:35,164 INFO L268 CegarLoopResult]: For program point L5037(lines 5035 5041) no Hoare annotation was computed. [2020-10-12 23:02:35,164 INFO L268 CegarLoopResult]: For program point ldv_module_put_and_exitENTRY(lines 5033 5042) no Hoare annotation was computed. [2020-10-12 23:02:35,164 INFO L268 CegarLoopResult]: For program point unregister_pppox_protoEXIT(lines 4747 4759) no Hoare annotation was computed. [2020-10-12 23:02:35,164 INFO L268 CegarLoopResult]: For program point unregister_pppox_protoENTRY(lines 4747 4759) no Hoare annotation was computed. [2020-10-12 23:02:35,164 INFO L268 CegarLoopResult]: For program point L4751(lines 4751 4754) no Hoare annotation was computed. [2020-10-12 23:02:35,164 INFO L268 CegarLoopResult]: For program point L4750(lines 4750 4756) no Hoare annotation was computed. [2020-10-12 23:02:35,164 INFO L268 CegarLoopResult]: For program point L4750-1(lines 4747 4759) no Hoare annotation was computed. [2020-10-12 23:02:35,164 INFO L268 CegarLoopResult]: For program point pppox_exitEXIT(lines 4909 4917) no Hoare annotation was computed. [2020-10-12 23:02:35,164 INFO L271 CegarLoopResult]: At program point pppox_exitENTRY(lines 4909 4917) the Hoare annotation is: true [2020-10-12 23:02:35,165 INFO L268 CegarLoopResult]: For program point pppox_exitFINAL(lines 4909 4917) no Hoare annotation was computed. [2020-10-12 23:02:35,165 INFO L268 CegarLoopResult]: For program point pppox_unbind_sockEXIT(lines 4760 4773) no Hoare annotation was computed. [2020-10-12 23:02:35,165 INFO L268 CegarLoopResult]: For program point L4766(line 4766) no Hoare annotation was computed. [2020-10-12 23:02:35,165 INFO L268 CegarLoopResult]: For program point pppox_unbind_sockENTRY(lines 4760 4773) no Hoare annotation was computed. [2020-10-12 23:02:35,165 INFO L268 CegarLoopResult]: For program point L4763(lines 4763 4770) no Hoare annotation was computed. [2020-10-12 23:02:35,165 INFO L268 CegarLoopResult]: For program point L4765(line 4765) no Hoare annotation was computed. [2020-10-12 23:02:35,165 INFO L268 CegarLoopResult]: For program point L4766-1(line 4766) no Hoare annotation was computed. [2020-10-12 23:02:35,165 INFO L268 CegarLoopResult]: For program point L4765-1(line 4765) no Hoare annotation was computed. [2020-10-12 23:02:35,165 INFO L268 CegarLoopResult]: For program point L4763-2(lines 4760 4773) no Hoare annotation was computed. [2020-10-12 23:02:35,166 INFO L268 CegarLoopResult]: For program point ldv_module_refcountFINAL(lines 5043 5048) no Hoare annotation was computed. [2020-10-12 23:02:35,166 INFO L268 CegarLoopResult]: For program point ldv_module_refcountENTRY(lines 5043 5048) no Hoare annotation was computed. [2020-10-12 23:02:35,166 INFO L268 CegarLoopResult]: For program point ldv_module_refcountEXIT(lines 5043 5048) no Hoare annotation was computed. [2020-10-12 23:02:35,166 INFO L268 CegarLoopResult]: For program point release_sockENTRY(lines 5103 5105) no Hoare annotation was computed. [2020-10-12 23:02:35,166 INFO L268 CegarLoopResult]: For program point release_sockEXIT(lines 5103 5105) no Hoare annotation was computed. [2020-10-12 23:02:35,166 INFO L268 CegarLoopResult]: For program point release_sockFINAL(lines 5103 5105) no Hoare annotation was computed. [2020-10-12 23:02:35,166 INFO L268 CegarLoopResult]: For program point L4735(lines 4735 4738) no Hoare annotation was computed. [2020-10-12 23:02:35,166 INFO L268 CegarLoopResult]: For program point L4732(lines 4732 4738) no Hoare annotation was computed. [2020-10-12 23:02:35,166 INFO L268 CegarLoopResult]: For program point register_pppox_protoEXIT(lines 4729 4746) no Hoare annotation was computed. [2020-10-12 23:02:35,166 INFO L268 CegarLoopResult]: For program point register_pppox_protoENTRY(lines 4729 4746) no Hoare annotation was computed. [2020-10-12 23:02:35,167 INFO L268 CegarLoopResult]: For program point L4739(lines 4739 4742) no Hoare annotation was computed. [2020-10-12 23:02:35,167 INFO L268 CegarLoopResult]: For program point register_pppox_protoFINAL(lines 4729 4746) no Hoare annotation was computed. [2020-10-12 23:02:35,167 INFO L268 CegarLoopResult]: For program point pppox_initFINAL(lines 4900 4908) no Hoare annotation was computed. [2020-10-12 23:02:35,167 INFO L268 CegarLoopResult]: For program point L4904-1(line 4904) no Hoare annotation was computed. [2020-10-12 23:02:35,167 INFO L271 CegarLoopResult]: At program point pppox_initENTRY(lines 4900 4908) the Hoare annotation is: true [2020-10-12 23:02:35,167 INFO L271 CegarLoopResult]: At program point L4904(line 4904) the Hoare annotation is: true [2020-10-12 23:02:35,167 INFO L268 CegarLoopResult]: For program point pppox_initEXIT(lines 4900 4908) no Hoare annotation was computed. [2020-10-12 23:02:35,167 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 23:02:35,168 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |~#pppox_protos~0.offset| |old(~#pppox_protos~0.offset)|) (= |~#pppox_protos~0.base| |old(~#pppox_protos~0.base)|) (= ~LDV_IN_INTERRUPT~0 |old(~LDV_IN_INTERRUPT~0)|) (= |old(#length)| |#length|) (= |#t~string32.base| |old(#t~string32.base)|) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (= |~#pppox_proto_family~0.offset| |old(~#pppox_proto_family~0.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |~#pppox_proto_family~0.base| |old(~#pppox_proto_family~0.base)|) (= |old(#valid)| |#valid|)) [2020-10-12 23:02:35,168 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 23:02:35,168 INFO L271 CegarLoopResult]: At program point ldv_check_final_stateENTRY(lines 5049 5060) the Hoare annotation is: true [2020-10-12 23:02:35,168 INFO L264 CegarLoopResult]: At program point L5054(line 5054) the Hoare annotation is: (not (= ~ldv_module_refcounter~0 1)) [2020-10-12 23:02:35,168 INFO L268 CegarLoopResult]: For program point L5052(lines 5049 5060) no Hoare annotation was computed. [2020-10-12 23:02:35,168 INFO L268 CegarLoopResult]: For program point ldv_check_final_stateEXIT(lines 5049 5060) no Hoare annotation was computed. [2020-10-12 23:02:35,168 INFO L268 CegarLoopResult]: For program point ppp_unregister_channelEXIT(lines 5100 5102) no Hoare annotation was computed. [2020-10-12 23:02:35,169 INFO L268 CegarLoopResult]: For program point ppp_unregister_channelENTRY(lines 5100 5102) no Hoare annotation was computed. [2020-10-12 23:02:35,169 INFO L268 CegarLoopResult]: For program point ppp_unregister_channelFINAL(lines 5100 5102) no Hoare annotation was computed. [2020-10-12 23:02:35,169 INFO L268 CegarLoopResult]: For program point ppp_channel_indexENTRY(lines 5097 5099) no Hoare annotation was computed. [2020-10-12 23:02:35,170 INFO L268 CegarLoopResult]: For program point ppp_channel_indexEXIT(lines 5097 5099) no Hoare annotation was computed. [2020-10-12 23:02:35,170 INFO L268 CegarLoopResult]: For program point ppp_channel_indexFINAL(lines 5097 5099) no Hoare annotation was computed. [2020-10-12 23:02:35,170 INFO L268 CegarLoopResult]: For program point ldv_try_module_get_1FINAL(lines 5061 5069) no Hoare annotation was computed. [2020-10-12 23:02:35,170 INFO L268 CegarLoopResult]: For program point ldv_try_module_get_1EXIT(lines 5061 5069) no Hoare annotation was computed. [2020-10-12 23:02:35,170 INFO L264 CegarLoopResult]: At program point ldv_try_module_get_1ENTRY(lines 5061 5069) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 1) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-10-12 23:02:35,171 INFO L264 CegarLoopResult]: At program point L5065(line 5065) the Hoare annotation is: (or (and (= ldv_try_module_get_1_~module.base |ldv_try_module_get_1_#in~module.base|) (= ~ldv_module_refcounter~0 1) (= |ldv_try_module_get_1_#in~module.offset| ldv_try_module_get_1_~module.offset)) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-10-12 23:02:35,171 INFO L268 CegarLoopResult]: For program point L5065-1(line 5065) no Hoare annotation was computed. [2020-10-12 23:02:35,172 INFO L271 CegarLoopResult]: At program point sock_registerENTRY(lines 5107 5109) the Hoare annotation is: true [2020-10-12 23:02:35,172 INFO L268 CegarLoopResult]: For program point sock_registerEXIT(lines 5107 5109) no Hoare annotation was computed. [2020-10-12 23:02:35,172 INFO L268 CegarLoopResult]: For program point sock_registerFINAL(lines 5107 5109) no Hoare annotation was computed. [2020-10-12 23:02:35,172 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 23:02:35,172 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2020-10-12 23:02:35,172 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 23:02:35,173 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 23:02:35,173 INFO L264 CegarLoopResult]: At program point L5023(line 5023) the Hoare annotation is: (not (<= 2 |old(~ldv_module_refcounter~0)|)) [2020-10-12 23:02:35,173 INFO L268 CegarLoopResult]: For program point L5020-2(lines 5017 5032) no Hoare annotation was computed. [2020-10-12 23:02:35,173 INFO L268 CegarLoopResult]: For program point L5021(lines 5021 5026) no Hoare annotation was computed. [2020-10-12 23:02:35,173 INFO L268 CegarLoopResult]: For program point L5020(lines 5020 5029) no Hoare annotation was computed. [2020-10-12 23:02:35,173 INFO L268 CegarLoopResult]: For program point L5021-1(lines 5021 5026) no Hoare annotation was computed. [2020-10-12 23:02:35,173 INFO L264 CegarLoopResult]: At program point ldv_module_putENTRY(lines 5017 5032) the Hoare annotation is: (or (not (<= 2 |old(~ldv_module_refcounter~0)|)) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)) [2020-10-12 23:02:35,173 INFO L268 CegarLoopResult]: For program point ldv_module_putEXIT(lines 5017 5032) no Hoare annotation was computed. [2020-10-12 23:02:35,174 INFO L271 CegarLoopResult]: At program point ldv_blast_assertENTRY(lines 4981 4986) the Hoare annotation is: true [2020-10-12 23:02:35,174 INFO L268 CegarLoopResult]: For program point ldv_blast_assertEXIT(lines 4981 4986) no Hoare annotation was computed. [2020-10-12 23:02:35,174 INFO L268 CegarLoopResult]: For program point ldv_blast_assertFINAL(lines 4981 4986) no Hoare annotation was computed. [2020-10-12 23:02:35,174 INFO L268 CegarLoopResult]: For program point ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4984) no Hoare annotation was computed. [2020-10-12 23:02:35,174 INFO L268 CegarLoopResult]: For program point ldv_module_put_2FINAL(lines 5070 5078) no Hoare annotation was computed. [2020-10-12 23:02:35,174 INFO L268 CegarLoopResult]: For program point ldv_module_put_2EXIT(lines 5070 5078) no Hoare annotation was computed. [2020-10-12 23:02:35,174 INFO L264 CegarLoopResult]: At program point ldv_module_put_2ENTRY(lines 5070 5078) the Hoare annotation is: (or (not (<= 2 |old(~ldv_module_refcounter~0)|)) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)) [2020-10-12 23:02:35,174 INFO L264 CegarLoopResult]: At program point L5074(line 5074) the Hoare annotation is: (or (not (<= 2 |old(~ldv_module_refcounter~0)|)) (and (= ldv_module_put_2_~ldv_func_arg1.base |ldv_module_put_2_#in~ldv_func_arg1.base|) (= |ldv_module_put_2_#in~ldv_func_arg1.offset| ldv_module_put_2_~ldv_func_arg1.offset) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|))) [2020-10-12 23:02:35,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:02:35 BoogieIcfgContainer [2020-10-12 23:02:35,199 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 23:02:35,206 INFO L168 Benchmark]: Toolchain (without parser) took 36004.05 ms. Allocated memory was 140.0 MB in the beginning and 701.5 MB in the end (delta: 561.5 MB). Free memory was 96.8 MB in the beginning and 236.7 MB in the end (delta: -139.9 MB). Peak memory consumption was 421.6 MB. Max. memory is 7.1 GB. [2020-10-12 23:02:35,207 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 23:02:35,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1341.16 ms. Allocated memory was 140.0 MB in the beginning and 208.1 MB in the end (delta: 68.2 MB). Free memory was 96.4 MB in the beginning and 130.3 MB in the end (delta: -34.0 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. [2020-10-12 23:02:35,209 INFO L168 Benchmark]: Boogie Preprocessor took 96.57 ms. Allocated memory is still 208.1 MB. Free memory was 130.3 MB in the beginning and 126.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2020-10-12 23:02:35,210 INFO L168 Benchmark]: RCFGBuilder took 808.01 ms. Allocated memory was 208.1 MB in the beginning and 241.2 MB in the end (delta: 33.0 MB). Free memory was 126.6 MB in the beginning and 179.7 MB in the end (delta: -53.1 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. [2020-10-12 23:02:35,214 INFO L168 Benchmark]: TraceAbstraction took 33753.92 ms. Allocated memory was 241.2 MB in the beginning and 701.5 MB in the end (delta: 460.3 MB). Free memory was 179.7 MB in the beginning and 236.7 MB in the end (delta: -57.0 MB). Peak memory consumption was 403.3 MB. Max. memory is 7.1 GB. [2020-10-12 23:02:35,226 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1341.16 ms. Allocated memory was 140.0 MB in the beginning and 208.1 MB in the end (delta: 68.2 MB). Free memory was 96.4 MB in the beginning and 130.3 MB in the end (delta: -34.0 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.57 ms. Allocated memory is still 208.1 MB. Free memory was 130.3 MB in the beginning and 126.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 808.01 ms. Allocated memory was 208.1 MB in the beginning and 241.2 MB in the end (delta: 33.0 MB). Free memory was 126.6 MB in the beginning and 179.7 MB in the end (delta: -53.1 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 33753.92 ms. Allocated memory was 241.2 MB in the beginning and 701.5 MB in the end (delta: 460.3 MB). Free memory was 179.7 MB in the beginning and 236.7 MB in the end (delta: -57.0 MB). Peak memory consumption was 403.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4984]: 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: 4930]: Loop Invariant Derived loop invariant: ldv_module_refcounter == \old(ldv_module_refcounter) || !(\old(ldv_module_refcounter) == 1) - InvariantResult [Line: 4930]: Loop Invariant Derived loop invariant: ldv_module_refcounter == \old(ldv_module_refcounter) || !(\old(ldv_module_refcounter) == 1) - InvariantResult [Line: 4864]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 || !(\old(ldv_module_refcounter) == 1) - InvariantResult [Line: 4930]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 || !(\old(ldv_module_refcounter) == 1) - InvariantResult [Line: 4945]: Loop Invariant Derived loop invariant: ldv_module_refcounter == \old(ldv_module_refcounter) || !(\old(ldv_module_refcounter) == 1) - InvariantResult [Line: 4930]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 || !(\old(ldv_module_refcounter) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 172 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.3s, OverallIterations: 8, TraceHistogramMax: 2, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 644 SDtfs, 1152 SDslu, 1331 SDs, 0 SdLazy, 3398 SolverSat, 485 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 284 GetRequests, 173 SyntacticMatches, 2 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=4, 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, 8 MinimizatonAttempts, 78 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 222 PreInvPairs, 240 NumberOfFragments, 551 HoareAnnotationTreeSize, 222 FomulaSimplifications, 3574 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 35 FomulaSimplificationsInter, 2031 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 24.0s InterpolantComputationTime, 546 NumberOfCodeBlocks, 546 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 538 ConstructedInterpolants, 0 QuantifiedInterpolants, 203622 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 24/46 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...