/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=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-c90d42b [2020-09-25 01:15:48,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 01:15:48,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 01:15:48,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 01:15:48,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 01:15:48,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 01:15:48,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 01:15:48,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 01:15:48,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 01:15:48,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 01:15:48,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 01:15:48,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 01:15:48,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 01:15:48,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 01:15:48,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 01:15:48,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 01:15:48,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 01:15:48,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 01:15:48,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 01:15:48,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 01:15:48,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 01:15:48,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 01:15:48,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 01:15:48,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 01:15:48,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 01:15:48,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 01:15:48,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 01:15:48,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 01:15:48,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 01:15:48,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 01:15:48,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 01:15:48,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 01:15:48,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 01:15:48,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 01:15:48,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 01:15:48,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 01:15:48,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 01:15:48,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 01:15:48,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 01:15:48,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 01:15:48,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 01:15:48,221 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 [2020-09-25 01:15:48,268 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 01:15:48,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 01:15:48,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 01:15:48,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 01:15:48,271 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 01:15:48,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 01:15:48,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 01:15:48,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 01:15:48,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 01:15:48,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 01:15:48,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 01:15:48,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 01:15:48,274 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 01:15:48,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 01:15:48,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 01:15:48,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 01:15:48,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 01:15:48,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 01:15:48,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:15:48,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 01:15:48,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 01:15:48,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 01:15:48,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 01:15:48,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 01:15:48,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 01:15:48,277 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 01:15:48,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 01:15:48,277 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-09-25 01:15:48,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 01:15:48,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 01:15:48,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 01:15:48,780 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 01:15:48,780 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 01:15:48,782 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2020-09-25 01:15:48,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5c761ef88/6a09bfc27efc40fe9acf4725a135bfdc/FLAGe66d113fa [2020-09-25 01:15:49,726 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 01:15:49,727 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2020-09-25 01:15:49,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5c761ef88/6a09bfc27efc40fe9acf4725a135bfdc/FLAGe66d113fa [2020-09-25 01:15:50,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5c761ef88/6a09bfc27efc40fe9acf4725a135bfdc [2020-09-25 01:15:50,256 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 01:15:50,261 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 01:15:50,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 01:15:50,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 01:15:50,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 01:15:50,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:15:50" (1/1) ... [2020-09-25 01:15:50,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f71ec06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:50, skipping insertion in model container [2020-09-25 01:15:50,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:15:50" (1/1) ... [2020-09-25 01:15:50,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 01:15:50,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 01:15:51,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:15:51,304 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 01:15:51,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:15:51,532 INFO L208 MainTranslator]: Completed translation [2020-09-25 01:15:51,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:51 WrapperNode [2020-09-25 01:15:51,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 01:15:51,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 01:15:51,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 01:15:51,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 01:15:51,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:51" (1/1) ... [2020-09-25 01:15:51,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:51" (1/1) ... [2020-09-25 01:15:51,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:51" (1/1) ... [2020-09-25 01:15:51,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:51" (1/1) ... [2020-09-25 01:15:51,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:51" (1/1) ... [2020-09-25 01:15:51,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:51" (1/1) ... [2020-09-25 01:15:51,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:51" (1/1) ... [2020-09-25 01:15:51,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 01:15:51,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 01:15:51,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 01:15:51,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 01:15:51,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:51" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:15:51,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 01:15:51,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 01:15:51,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-25 01:15:51,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-09-25 01:15:51,726 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2020-09-25 01:15:51,726 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2020-09-25 01:15:51,726 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2020-09-25 01:15:51,726 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2020-09-25 01:15:51,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2020-09-25 01:15:51,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2020-09-25 01:15:51,728 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2020-09-25 01:15:51,728 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2020-09-25 01:15:51,728 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2020-09-25 01:15:51,728 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 01:15:51,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-09-25 01:15:51,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-09-25 01:15:51,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-09-25 01:15:51,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-09-25 01:15:51,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-09-25 01:15:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-09-25 01:15:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 01:15:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2020-09-25 01:15:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2020-09-25 01:15:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2020-09-25 01:15:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 01:15:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2020-09-25 01:15:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2020-09-25 01:15:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-09-25 01:15:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2020-09-25 01:15:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2020-09-25 01:15:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2020-09-25 01:15:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2020-09-25 01:15:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2020-09-25 01:15:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 01:15:51,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 01:15:51,735 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-09-25 01:15:51,735 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2020-09-25 01:15:51,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2020-09-25 01:15:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2020-09-25 01:15:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-09-25 01:15:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-09-25 01:15:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-09-25 01:15:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-09-25 01:15:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-09-25 01:15:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2020-09-25 01:15:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2020-09-25 01:15:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2020-09-25 01:15:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2020-09-25 01:15:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2020-09-25 01:15:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2020-09-25 01:15:51,738 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2020-09-25 01:15:51,738 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2020-09-25 01:15:51,738 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2020-09-25 01:15:51,738 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2020-09-25 01:15:51,738 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2020-09-25 01:15:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2020-09-25 01:15:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 01:15:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 01:15:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 01:15:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 01:15:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-25 01:15:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2020-09-25 01:15:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 01:15:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-09-25 01:15:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2020-09-25 01:15:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2020-09-25 01:15:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 01:15:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 01:15:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 01:15:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 01:15:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-09-25 01:15:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2020-09-25 01:15:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 01:15:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 01:15:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 01:15:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 01:15:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 01:15:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 01:15:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 01:15:52,147 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-25 01:15:52,272 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-09-25 01:15:52,272 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-09-25 01:15:52,273 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-09-25 01:15:52,273 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-09-25 01:15:52,274 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-25 01:15:52,314 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2020-09-25 01:15:52,314 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2020-09-25 01:15:52,424 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-09-25 01:15:52,573 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 01:15:52,573 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 01:15:52,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:15:52 BoogieIcfgContainer [2020-09-25 01:15:52,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 01:15:52,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 01:15:52,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 01:15:52,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 01:15:52,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:15:50" (1/3) ... [2020-09-25 01:15:52,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ebf260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:15:52, skipping insertion in model container [2020-09-25 01:15:52,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:51" (2/3) ... [2020-09-25 01:15:52,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ebf260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:15:52, skipping insertion in model container [2020-09-25 01:15:52,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:15:52" (3/3) ... [2020-09-25 01:15:52,589 INFO L109 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-pppox.ko.cil.out.i [2020-09-25 01:15:52,601 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 01:15:52,612 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 01:15:52,637 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 01:15:52,672 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 01:15:52,672 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 01:15:52,672 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 01:15:52,673 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 01:15:52,673 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 01:15:52,673 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 01:15:52,673 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 01:15:52,673 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 01:15:52,700 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-09-25 01:15:52,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 01:15:52,709 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:15:52,711 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] [2020-09-25 01:15:52,711 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:15:52,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:15:52,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1095303050, now seen corresponding path program 1 times [2020-09-25 01:15:52,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:15:52,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [256544007] [2020-09-25 01:15:52,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:15:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:15:53,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:15:53,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:15:53,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-25 01:15:53,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:15:53,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 525 [2020-09-25 01:15:53,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:15:53,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 01:15:53,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 01:15:53,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-25 01:15:53,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 01:15:53,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:15:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:15:53,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:15:53,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:15:53,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 01:15:53,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:15:53,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 01:15:53,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:15:53,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:15:53,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:15:53,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 01:15:53,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:15:53,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 01:15:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:15:53,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:15:53,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:15:53,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:15:53,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:15:53,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 01:15:53,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:15:53,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:15:53,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:15:53,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 01:15:53,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:15:53,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 01:15:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:15:53,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:15:53,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:15:53,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 01:15:53,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:15:53,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 01:15:53,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:15:53,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:15:53,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:15:53,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 01:15:53,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:15:53,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:15:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:15:53,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:15:53,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:15:53,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:15:53,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:15:53,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 01:15:53,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:15:53,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:15:53,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:15:53,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:15:53,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:15:53,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 01:15:53,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [256544007] [2020-09-25 01:15:53,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:15:53,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 01:15:53,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394324801] [2020-09-25 01:15:53,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 01:15:53,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:15:53,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 01:15:53,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 01:15:53,993 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 4 states. [2020-09-25 01:15:54,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:15:54,767 INFO L93 Difference]: Finished difference Result 426 states and 482 transitions. [2020-09-25 01:15:54,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 01:15:54,770 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-09-25 01:15:54,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:15:54,801 INFO L225 Difference]: With dead ends: 426 [2020-09-25 01:15:54,801 INFO L226 Difference]: Without dead ends: 291 [2020-09-25 01:15:54,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 01:15:54,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-09-25 01:15:54,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 287. [2020-09-25 01:15:54,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-09-25 01:15:54,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 313 transitions. [2020-09-25 01:15:54,942 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 313 transitions. Word has length 53 [2020-09-25 01:15:54,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:15:54,943 INFO L479 AbstractCegarLoop]: Abstraction has 287 states and 313 transitions. [2020-09-25 01:15:54,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 01:15:54,944 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 313 transitions. [2020-09-25 01:15:54,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-09-25 01:15:54,951 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:15:54,951 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:15:54,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 01:15:54,952 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:15:54,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:15:54,952 INFO L82 PathProgramCache]: Analyzing trace with hash 173654324, now seen corresponding path program 1 times [2020-09-25 01:15:54,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:15:54,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [441833182] [2020-09-25 01:15:54,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:15:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:15:55,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:15:55,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:15:55,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:00,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:00,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-09-25 01:16:00,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 01:16:00,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 01:16:00,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:00,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 01:16:00,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-09-25 01:16:00,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 01:16:00,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 01:16:00,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:16:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:00,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:00,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:00,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 01:16:00,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:00,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 01:16:00,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:00,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:00,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:00,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:00,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:16:00,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 01:16:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:00,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:00,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:00,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:16:00,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:00,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 01:16:00,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:00,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:00,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:00,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:00,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:00,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 01:16:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:00,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:00,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:00,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 01:16:00,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:00,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 01:16:00,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:00,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:00,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:00,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:00,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:00,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:16:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:00,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:00,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:00,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:16:00,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:00,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 01:16:00,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:00,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:00,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:00,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:00,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:00,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-25 01:16:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:00,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:00,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:00,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 01:16:00,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:00,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 01:16:00,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 01:16:00,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:00,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 01:16:00,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:00,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:16:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:00,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:00,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:00,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:16:00,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:00,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 01:16:00,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:00,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 01:16:00,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:00,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:16:00,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:16:00,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:16:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:00,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:00,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:00,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:16:00,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:00,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 01:16:00,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:00,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:00,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 01:16:00,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:00,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:16:00,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 01:16:00,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [441833182] [2020-09-25 01:16:00,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:16:00,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 01:16:00,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783652326] [2020-09-25 01:16:00,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 01:16:00,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:16:00,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 01:16:00,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-25 01:16:00,648 INFO L87 Difference]: Start difference. First operand 287 states and 313 transitions. Second operand 10 states. [2020-09-25 01:16:01,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:16:01,693 INFO L93 Difference]: Finished difference Result 495 states and 547 transitions. [2020-09-25 01:16:01,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 01:16:01,694 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 120 [2020-09-25 01:16:01,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:16:01,697 INFO L225 Difference]: With dead ends: 495 [2020-09-25 01:16:01,697 INFO L226 Difference]: Without dead ends: 257 [2020-09-25 01:16:01,700 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2020-09-25 01:16:01,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-09-25 01:16:01,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 244. [2020-09-25 01:16:01,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-25 01:16:01,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 264 transitions. [2020-09-25 01:16:01,724 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 264 transitions. Word has length 120 [2020-09-25 01:16:01,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:16:01,725 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 264 transitions. [2020-09-25 01:16:01,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 01:16:01,725 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 264 transitions. [2020-09-25 01:16:01,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-09-25 01:16:01,728 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:16:01,728 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:16:01,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 01:16:01,729 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:16:01,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:16:01,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1108936363, now seen corresponding path program 1 times [2020-09-25 01:16:01,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:16:01,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [836558457] [2020-09-25 01:16:01,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:16:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:01,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:01,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:02,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:06,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:06,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-09-25 01:16:06,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 01:16:06,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 01:16:06,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:06,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 01:16:06,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-09-25 01:16:06,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 01:16:06,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:06,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:16:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:06,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:06,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:06,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 01:16:06,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:06,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 01:16:06,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:06,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:06,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:06,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 01:16:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:06,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:06,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:06,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:16:06,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:06,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 01:16:06,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:06,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:06,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:06,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:06,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 01:16:06,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 01:16:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:06,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:06,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:06,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 01:16:06,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:06,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 01:16:06,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:06,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:06,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:06,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:06,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:06,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:16:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:06,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:07,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:07,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:16:07,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:07,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 01:16:07,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:07,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:07,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:07,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:07,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:07,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-25 01:16:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:07,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:07,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:07,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-25 01:16:07,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:07,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-09-25 01:16:07,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:07,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 01:16:07,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-25 01:16:07,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 01:16:07,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:16:07,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 01:16:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:07,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:07,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:07,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 01:16:07,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:07,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-09-25 01:16:07,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:07,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 01:16:07,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:07,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 01:16:07,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:16:07,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:16:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:07,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:07,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:07,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 01:16:07,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:07,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-25 01:16:07,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:07,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 01:16:07,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:07,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 01:16:07,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:16:07,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 01:16:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:07,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:07,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:07,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:16:07,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:07,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 01:16:07,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:07,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:16:07,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 01:16:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:07,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:07,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:07,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 01:16:07,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:07,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 01:16:07,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:07,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:07,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 01:16:07,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:07,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:07,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:16:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:07,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:07,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:07,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:16:07,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:07,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 01:16:07,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:07,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:07,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:07,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:07,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:07,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 01:16:07,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [836558457] [2020-09-25 01:16:07,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:16:07,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 01:16:07,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709276157] [2020-09-25 01:16:07,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 01:16:07,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:16:07,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 01:16:07,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-25 01:16:07,821 INFO L87 Difference]: Start difference. First operand 244 states and 264 transitions. Second operand 10 states. [2020-09-25 01:16:08,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:16:08,684 INFO L93 Difference]: Finished difference Result 375 states and 407 transitions. [2020-09-25 01:16:08,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 01:16:08,685 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2020-09-25 01:16:08,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:16:08,689 INFO L225 Difference]: With dead ends: 375 [2020-09-25 01:16:08,689 INFO L226 Difference]: Without dead ends: 248 [2020-09-25 01:16:08,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-09-25 01:16:08,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-09-25 01:16:08,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 244. [2020-09-25 01:16:08,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-25 01:16:08,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 263 transitions. [2020-09-25 01:16:08,725 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 263 transitions. Word has length 129 [2020-09-25 01:16:08,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:16:08,728 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 263 transitions. [2020-09-25 01:16:08,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 01:16:08,728 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 263 transitions. [2020-09-25 01:16:08,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-09-25 01:16:08,736 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:16:08,737 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:16:08,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 01:16:08,738 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:16:08,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:16:08,738 INFO L82 PathProgramCache]: Analyzing trace with hash -268445373, now seen corresponding path program 1 times [2020-09-25 01:16:08,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:16:08,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [22470537] [2020-09-25 01:16:08,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:16:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:08,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:08,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:09,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:13,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:13,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-09-25 01:16:13,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 01:16:13,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 01:16:13,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:13,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-25 01:16:13,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 01:16:13,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 01:16:13,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 01:16:13,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:16:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:13,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:14,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:14,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 01:16:14,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:14,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 01:16:14,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:14,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:16:14,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:14,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 01:16:14,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:14,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 01:16:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:14,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:14,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:14,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:16:14,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:14,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 01:16:14,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:14,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:16:14,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:14,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 01:16:14,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:14,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 01:16:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:14,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:14,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:14,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 01:16:14,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:14,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 01:16:14,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:14,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:16:14,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:14,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 01:16:14,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:14,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:16:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:14,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:14,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:14,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:16:14,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:14,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 01:16:14,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:14,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:14,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:14,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:14,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:14,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-25 01:16:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:14,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:14,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:14,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 01:16:14,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:14,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-25 01:16:14,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:14,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 01:16:14,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 01:16:14,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 01:16:14,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:14,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:16:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:14,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:14,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:14,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 01:16:14,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:14,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 01:16:14,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:14,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:16:14,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 01:16:14,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 01:16:14,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:14,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 01:16:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:14,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:14,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:14,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:16:14,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:14,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 01:16:14,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:14,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:16:14,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:14,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:16:14,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:14,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-09-25 01:16:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:14,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:14,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:14,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:16:14,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:14,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 01:16:14,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:14,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:16:14,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:14,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 01:16:14,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:14,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 01:16:14,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [22470537] [2020-09-25 01:16:14,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:16:14,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 01:16:14,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450886518] [2020-09-25 01:16:14,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 01:16:14,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:16:14,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 01:16:14,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 01:16:14,512 INFO L87 Difference]: Start difference. First operand 244 states and 263 transitions. Second operand 8 states. [2020-09-25 01:16:15,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:16:15,409 INFO L93 Difference]: Finished difference Result 346 states and 383 transitions. [2020-09-25 01:16:15,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 01:16:15,410 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 131 [2020-09-25 01:16:15,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:16:15,414 INFO L225 Difference]: With dead ends: 346 [2020-09-25 01:16:15,414 INFO L226 Difference]: Without dead ends: 343 [2020-09-25 01:16:15,415 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-09-25 01:16:15,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-09-25 01:16:15,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 243. [2020-09-25 01:16:15,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-25 01:16:15,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 261 transitions. [2020-09-25 01:16:15,442 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 261 transitions. Word has length 131 [2020-09-25 01:16:15,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:16:15,443 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 261 transitions. [2020-09-25 01:16:15,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 01:16:15,443 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 261 transitions. [2020-09-25 01:16:15,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-25 01:16:15,446 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:16:15,446 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:16:15,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 01:16:15,447 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:16:15,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:16:15,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1178345674, now seen corresponding path program 1 times [2020-09-25 01:16:15,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:16:15,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [304165818] [2020-09-25 01:16:15,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:16:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:15,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:15,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:15,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:20,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:20,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-09-25 01:16:20,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 01:16:20,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-25 01:16:20,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:20,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 01:16:20,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-25 01:16:20,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 01:16:20,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 43 [2020-09-25 01:16:20,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:16:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:20,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:20,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:20,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 01:16:20,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:20,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 01:16:20,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:20,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:20,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:20,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:20,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:20,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 01:16:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:20,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:20,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:20,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:16:20,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:20,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 01:16:20,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:20,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:20,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:20,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:20,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:20,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 01:16:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:20,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:20,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:20,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 01:16:20,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:20,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 01:16:20,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:20,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:20,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:20,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:20,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:20,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:16:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:20,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:20,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:20,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:16:20,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:20,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 01:16:20,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:20,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:20,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:20,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:20,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:20,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-25 01:16:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:20,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:21,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:21,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-25 01:16:21,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:21,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 539 [2020-09-25 01:16:21,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:21,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 01:16:21,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-25 01:16:21,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 01:16:21,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:16:21,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 01:16:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:21,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:21,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:21,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 01:16:21,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:21,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-09-25 01:16:21,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 01:16:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:21,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 01:16:21,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:16:21,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:16:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:21,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:21,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:21,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 01:16:21,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:21,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 01:16:21,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:21,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:16:21,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:21,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 01:16:21,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:21,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 01:16:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:21,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:21,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:21,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:16:21,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:21,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 01:16:21,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:21,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:16:21,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:21,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:16:21,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:21,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-25 01:16:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:21,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:21,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:21,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:16:21,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:21,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 01:16:21,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:21,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:16:21,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:21,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 01:16:21,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:21,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-25 01:16:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:22,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:22,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:22,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 01:16:22,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:22,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-25 01:16:22,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:22,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 01:16:22,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 01:16:22,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 01:16:22,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:16:22,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:16:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:22,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:22,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:22,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:16:22,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:22,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 01:16:22,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:22,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:16:22,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:22,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:16:22,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:16:22,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-25 01:16:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:22,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:22,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:22,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 01:16:22,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:22,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 01:16:22,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:22,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:22,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 01:16:22,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:22,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:16:22,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:16:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:22,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:22,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:22,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:16:22,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:22,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 01:16:22,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:22,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:22,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:22,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:22,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:16:22,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 01:16:22,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [304165818] [2020-09-25 01:16:22,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:16:22,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-25 01:16:22,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404802612] [2020-09-25 01:16:22,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-25 01:16:22,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:16:22,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-25 01:16:22,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2020-09-25 01:16:22,593 INFO L87 Difference]: Start difference. First operand 243 states and 261 transitions. Second operand 17 states. [2020-09-25 01:16:25,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:16:25,681 INFO L93 Difference]: Finished difference Result 407 states and 435 transitions. [2020-09-25 01:16:25,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 01:16:25,682 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 154 [2020-09-25 01:16:25,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:16:25,684 INFO L225 Difference]: With dead ends: 407 [2020-09-25 01:16:25,684 INFO L226 Difference]: Without dead ends: 277 [2020-09-25 01:16:25,686 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=149, Invalid=1111, Unknown=0, NotChecked=0, Total=1260 [2020-09-25 01:16:25,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-09-25 01:16:25,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 243. [2020-09-25 01:16:25,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-25 01:16:25,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 260 transitions. [2020-09-25 01:16:25,708 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 260 transitions. Word has length 154 [2020-09-25 01:16:25,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:16:25,708 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 260 transitions. [2020-09-25 01:16:25,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-25 01:16:25,708 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 260 transitions. [2020-09-25 01:16:25,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 01:16:25,710 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:16:25,710 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:16:25,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 01:16:25,711 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:16:25,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:16:25,711 INFO L82 PathProgramCache]: Analyzing trace with hash 55587874, now seen corresponding path program 1 times [2020-09-25 01:16:25,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:16:25,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1324406182] [2020-09-25 01:16:25,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:16:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:25,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:25,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:26,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:30,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:30,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-09-25 01:16:30,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 01:16:30,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 01:16:30,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:30,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 01:16:30,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 01:16:30,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-09-25 01:16:30,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:30,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:16:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:30,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:30,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:30,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 01:16:30,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:30,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 01:16:30,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:30,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:16:30,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:30,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 01:16:30,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:16:30,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 01:16:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:31,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:31,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:31,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:16:31,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:31,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 01:16:31,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:31,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:16:31,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:31,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 01:16:31,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:16:31,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 01:16:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:31,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:31,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:31,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 01:16:31,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:31,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 01:16:31,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:31,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:16:31,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:31,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 01:16:31,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:16:31,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:16:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:31,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:31,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:31,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:16:31,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:31,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 01:16:31,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:31,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:31,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:31,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:31,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:16:31,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-25 01:16:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:31,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:31,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:31,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-25 01:16:31,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:31,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 668 [2020-09-25 01:16:31,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:31,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 01:16:31,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 01:16:31,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-25 01:16:31,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:16:31,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 01:16:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:31,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:32,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:32,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 01:16:32,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:32,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-09-25 01:16:32,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:32,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 01:16:32,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 01:16:32,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 01:16:32,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:32,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:16:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:32,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:32,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:32,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 01:16:32,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:32,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 01:16:32,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:32,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:16:32,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 01:16:32,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 01:16:32,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:32,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 01:16:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:32,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:32,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:32,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:16:32,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:32,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 01:16:32,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:32,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:16:32,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:32,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:16:32,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:32,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-25 01:16:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:32,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:32,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:32,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:16:32,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:32,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 01:16:32,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:32,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:16:32,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:32,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 01:16:32,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:32,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-25 01:16:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:32,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:32,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:32,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 01:16:32,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:32,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-25 01:16:32,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:32,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 01:16:32,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 01:16:32,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 01:16:32,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:32,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:16:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:32,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:32,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:32,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:16:32,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:32,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 01:16:32,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:32,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:16:32,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 01:16:32,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 01:16:32,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:32,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-25 01:16:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:32,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:32,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:32,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 01:16:32,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:32,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 01:16:32,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:32,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:16:32,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:32,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 01:16:32,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:32,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:16:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:16:32,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:16:32,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:16:32,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:16:32,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:16:32,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 01:16:32,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:16:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:16:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:16:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:16:32,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:16:32,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-25 01:16:32,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1324406182] [2020-09-25 01:16:32,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:16:32,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 01:16:32,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880790108] [2020-09-25 01:16:32,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 01:16:32,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:16:32,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 01:16:32,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 01:16:32,580 INFO L87 Difference]: Start difference. First operand 243 states and 260 transitions. Second operand 7 states. [2020-09-25 01:16:33,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:16:33,128 INFO L93 Difference]: Finished difference Result 243 states and 260 transitions. [2020-09-25 01:16:33,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 01:16:33,129 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 156 [2020-09-25 01:16:33,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:16:33,130 INFO L225 Difference]: With dead ends: 243 [2020-09-25 01:16:33,130 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 01:16:33,131 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-09-25 01:16:33,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 01:16:33,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 01:16:33,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 01:16:33,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 01:16:33,134 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2020-09-25 01:16:33,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:16:33,134 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 01:16:33,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 01:16:33,134 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 01:16:33,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 01:16:33,135 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 01:16:33,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.