/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 11:57:56,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 11:57:56,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 11:57:56,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 11:57:56,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 11:57:56,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 11:57:56,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 11:57:56,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 11:57:56,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 11:57:56,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 11:57:56,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 11:57:56,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 11:57:56,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 11:57:56,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 11:57:56,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 11:57:56,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 11:57:56,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 11:57:56,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 11:57:56,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 11:57:56,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 11:57:56,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 11:57:56,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 11:57:56,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 11:57:56,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 11:57:56,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 11:57:56,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 11:57:56,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 11:57:56,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 11:57:56,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 11:57:56,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 11:57:56,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 11:57:56,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 11:57:56,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 11:57:56,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 11:57:56,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 11:57:56,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 11:57:56,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 11:57:56,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 11:57:56,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 11:57:56,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 11:57:56,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 11:57:56,159 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-14 11:57:56,215 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 11:57:56,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 11:57:56,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 11:57:56,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 11:57:56,217 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 11:57:56,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 11:57:56,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 11:57:56,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 11:57:56,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 11:57:56,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 11:57:56,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 11:57:56,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 11:57:56,219 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 11:57:56,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 11:57:56,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 11:57:56,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 11:57:56,221 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 11:57:56,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 11:57:56,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 11:57:56,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 11:57:56,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 11:57:56,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 11:57:56,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 11:57:56,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 11:57:56,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 11:57:56,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 11:57:56,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 11:57:56,223 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 11:57:56,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 11:57:56,550 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 11:57:56,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 11:57:56,555 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 11:57:56,556 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 11:57:56,556 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2020-10-14 11:57:56,612 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6d344dde0/6824d89831bf4a39a7f0cacb2795fe9a/FLAGffc4dd669 [2020-10-14 11:57:57,320 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 11:57:57,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2020-10-14 11:57:57,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6d344dde0/6824d89831bf4a39a7f0cacb2795fe9a/FLAGffc4dd669 [2020-10-14 11:57:57,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6d344dde0/6824d89831bf4a39a7f0cacb2795fe9a [2020-10-14 11:57:57,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 11:57:57,449 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 11:57:57,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 11:57:57,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 11:57:57,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 11:57:57,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:57:57" (1/1) ... [2020-10-14 11:57:57,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d20c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:57, skipping insertion in model container [2020-10-14 11:57:57,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:57:57" (1/1) ... [2020-10-14 11:57:57,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 11:57:57,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 11:57:59,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 11:57:59,050 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 11:57:59,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 11:57:59,542 INFO L208 MainTranslator]: Completed translation [2020-10-14 11:57:59,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:59 WrapperNode [2020-10-14 11:57:59,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 11:57:59,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 11:57:59,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 11:57:59,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 11:57:59,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:59" (1/1) ... [2020-10-14 11:57:59,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:59" (1/1) ... [2020-10-14 11:57:59,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:59" (1/1) ... [2020-10-14 11:57:59,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:59" (1/1) ... [2020-10-14 11:57:59,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:59" (1/1) ... [2020-10-14 11:57:59,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:59" (1/1) ... [2020-10-14 11:57:59,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:59" (1/1) ... [2020-10-14 11:57:59,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 11:57:59,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 11:57:59,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 11:57:59,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 11:57:59,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:59" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 11:57:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 11:57:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 11:57:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-14 11:57:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-10-14 11:57:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 11:57:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-14 11:57:59,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 11:57:59,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-14 11:57:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 11:57:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 11:57:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2020-10-14 11:57:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2020-10-14 11:57:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2020-10-14 11:57:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2020-10-14 11:57:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2020-10-14 11:57:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-14 11:57:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-14 11:57:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-14 11:57:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-14 11:57:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-14 11:57:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-10-14 11:57:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-14 11:57:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-10-14 11:57:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2020-10-14 11:57:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-10-14 11:57:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-14 11:57:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-14 11:57:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2020-10-14 11:57:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2020-10-14 11:57:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2020-10-14 11:57:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2020-10-14 11:57:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure readable [2020-10-14 11:57:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum [2020-10-14 11:57:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2020-10-14 11:57:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2020-10-14 11:57:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mem [2020-10-14 11:57:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2020-10-14 11:57:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_common_align [2020-10-14 11:57:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_align [2020-10-14 11:57:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2020-10-14 11:57:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_find_io_region [2020-10-14 11:57:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2020-10-14 11:57:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2020-10-14 11:57:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2020-10-14 11:57:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2020-10-14 11:57:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_autoadd_resources [2020-10-14 11:57:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2020-10-14 11:57:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2020-10-14 11:57:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2020-10-14 11:57:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure store_io_db [2020-10-14 11:57:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2020-10-14 11:57:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure store_mem_db [2020-10-14 11:57:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2020-10-14 11:57:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_remove_rsrc [2020-10-14 11:57:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_init [2020-10-14 11:57:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_exit [2020-10-14 11:57:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 11:57:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2020-10-14 11:57:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2020-10-14 11:57:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2020-10-14 11:57:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2020-10-14 11:57:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2020-10-14 11:57:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2020-10-14 11:57:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2020-10-14 11:57:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2020-10-14 11:57:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2020-10-14 11:57:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2020-10-14 11:57:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2020-10-14 11:57:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2020-10-14 11:57:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2020-10-14 11:57:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2020-10-14 11:57:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2020-10-14 11:57:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2020-10-14 11:57:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2020-10-14 11:57:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 11:57:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-14 11:57:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-14 11:57:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-14 11:57:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-14 11:57:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-14 11:57:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-14 11:57:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-14 11:57:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-14 11:57:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-14 11:57:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-14 11:57:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-14 11:57:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-14 11:57:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-14 11:57:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-14 11:57:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-14 11:57:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-14 11:57:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2020-10-14 11:57:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2020-10-14 11:57:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2020-10-14 11:57:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2020-10-14 11:57:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2020-10-14 11:57:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2020-10-14 11:57:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2020-10-14 11:57:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 11:57:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 11:57:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-14 11:57:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2020-10-14 11:57:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2020-10-14 11:57:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_register [2020-10-14 11:57:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_unregister [2020-10-14 11:57:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-14 11:57:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-14 11:57:59,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-10-14 11:57:59,916 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-10-14 11:57:59,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_6 [2020-10-14 11:57:59,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_7 [2020-10-14 11:57:59,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_6 [2020-10-14 11:57:59,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_7 [2020-10-14 11:57:59,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-14 11:57:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-14 11:57:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-14 11:57:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2020-10-14 11:57:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_parent_resource [2020-10-14 11:57:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 11:57:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2020-10-14 11:57:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2020-10-14 11:57:59,918 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2020-10-14 11:57:59,918 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2020-10-14 11:57:59,918 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 11:57:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 11:57:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-14 11:57:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-14 11:57:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-14 11:57:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-14 11:57:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-14 11:57:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-14 11:57:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-14 11:57:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-14 11:57:59,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-14 11:57:59,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-10-14 11:57:59,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:59,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:59,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-14 11:57:59,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-14 11:57:59,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-14 11:57:59,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-14 11:57:59,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-14 11:57:59,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 11:57:59,921 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 11:57:59,921 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 11:57:59,921 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 11:57:59,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-14 11:57:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 11:57:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 11:57:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-14 11:57:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 11:57:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 11:57:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 11:57:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2020-10-14 11:57:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2020-10-14 11:57:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 11:57:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 11:57:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2020-10-14 11:57:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 11:57:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_6 [2020-10-14 11:57:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_7 [2020-10-14 11:57:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_7 [2020-10-14 11:57:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_6 [2020-10-14 11:57:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2020-10-14 11:57:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2020-10-14 11:57:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-14 11:57:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 11:57:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-14 11:57:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-14 11:57:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-14 11:57:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2020-10-14 11:57:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2020-10-14 11:57:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2020-10-14 11:57:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2020-10-14 11:57:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2020-10-14 11:57:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2020-10-14 11:57:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2020-10-14 11:57:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2020-10-14 11:57:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2020-10-14 11:57:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2020-10-14 11:57:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2020-10-14 11:57:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2020-10-14 11:57:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2020-10-14 11:57:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2020-10-14 11:57:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2020-10-14 11:57:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2020-10-14 11:57:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2020-10-14 11:57:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2020-10-14 11:57:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2020-10-14 11:57:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2020-10-14 11:57:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2020-10-14 11:57:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2020-10-14 11:57:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2020-10-14 11:57:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-10-14 11:57:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-10-14 11:57:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-10-14 11:57:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-10-14 11:57:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-10-14 11:57:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2020-10-14 11:57:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2020-10-14 11:57:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-14 11:57:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 11:57:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 11:57:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_register [2020-10-14 11:57:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_unregister [2020-10-14 11:57:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-14 11:57:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-14 11:57:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-14 11:57:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_parent_resource [2020-10-14 11:57:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2020-10-14 11:57:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2020-10-14 11:57:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2020-10-14 11:57:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2020-10-14 11:57:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 11:57:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2020-10-14 11:57:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure readable [2020-10-14 11:57:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-14 11:57:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 11:57:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure checksum [2020-10-14 11:57:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2020-10-14 11:57:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-10-14 11:57:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2020-10-14 11:57:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mem [2020-10-14 11:57:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2020-10-14 11:57:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_common_align [2020-10-14 11:57:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_align [2020-10-14 11:57:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2020-10-14 11:57:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_find_io_region [2020-10-14 11:57:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2020-10-14 11:57:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2020-10-14 11:57:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2020-10-14 11:57:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2020-10-14 11:57:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_autoadd_resources [2020-10-14 11:57:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2020-10-14 11:57:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2020-10-14 11:57:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2020-10-14 11:57:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure store_io_db [2020-10-14 11:57:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2020-10-14 11:57:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure store_mem_db [2020-10-14 11:57:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2020-10-14 11:57:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_remove_rsrc [2020-10-14 11:57:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_init [2020-10-14 11:57:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_exit [2020-10-14 11:57:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 11:57:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 11:57:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 11:57:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 11:57:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-14 11:57:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-14 11:57:59,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-14 11:57:59,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-14 11:57:59,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-14 11:57:59,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-14 11:57:59,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-14 11:57:59,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-14 11:57:59,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-14 11:57:59,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-14 11:57:59,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2020-10-14 11:57:59,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2020-10-14 11:57:59,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2020-10-14 11:57:59,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2020-10-14 11:57:59,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2020-10-14 11:57:59,938 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 11:57:59,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 11:57:59,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 11:57:59,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 11:57:59,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 11:58:02,804 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 11:58:02,804 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 11:58:02,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:58:02 BoogieIcfgContainer [2020-10-14 11:58:02,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 11:58:02,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 11:58:02,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 11:58:02,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 11:58:02,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:57:57" (1/3) ... [2020-10-14 11:58:02,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18696cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:58:02, skipping insertion in model container [2020-10-14 11:58:02,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:59" (2/3) ... [2020-10-14 11:58:02,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18696cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:58:02, skipping insertion in model container [2020-10-14 11:58:02,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:58:02" (3/3) ... [2020-10-14 11:58:02,822 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2020-10-14 11:58:02,832 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 11:58:02,841 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 11:58:02,854 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 11:58:02,882 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 11:58:02,882 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 11:58:02,882 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 11:58:02,882 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 11:58:02,883 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 11:58:02,883 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 11:58:02,883 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 11:58:02,883 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 11:58:02,922 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states. [2020-10-14 11:58:02,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-14 11:58:02,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:58:02,938 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] [2020-10-14 11:58:02,938 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:58:02,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:58:02,944 INFO L82 PathProgramCache]: Analyzing trace with hash -919920196, now seen corresponding path program 1 times [2020-10-14 11:58:02,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:58:02,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2073659576] [2020-10-14 11:58:02,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:58:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:03,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:04,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:04,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:04,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 11:58:04,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:58:04,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1486 [2020-10-14 11:58:04,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:04,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:04,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:04,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:58:04,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 11:58:04,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 11:58:06,515 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-14 11:58:06,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:58:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:06,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:06,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:06,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:06,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:06,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-14 11:58:06,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:06,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:06,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:06,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:06,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:06,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:06,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:58:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:06,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:06,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:06,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:06,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:06,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 11:58:06,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:06,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:06,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:06,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:06,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:58:06,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:06,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 11:58:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:06,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:06,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:06,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 11:58:06,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:06,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 11:58:06,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:06,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:06,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:06,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:06,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 11:58:06,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:06,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:58:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:06,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:06,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:06,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:06,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:06,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 11:58:06,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:06,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:06,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:06,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:06,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:06,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:06,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:58:06,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2073659576] [2020-10-14 11:58:06,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:58:06,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 11:58:06,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744699019] [2020-10-14 11:58:06,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 11:58:06,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:58:06,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 11:58:06,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 11:58:06,786 INFO L87 Difference]: Start difference. First operand 974 states. Second operand 5 states. [2020-10-14 11:58:09,046 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-14 11:58:21,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:58:21,897 INFO L93 Difference]: Finished difference Result 1955 states and 2867 transitions. [2020-10-14 11:58:21,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 11:58:21,899 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-14 11:58:21,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:58:21,937 INFO L225 Difference]: With dead ends: 1955 [2020-10-14 11:58:21,937 INFO L226 Difference]: Without dead ends: 1111 [2020-10-14 11:58:21,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 11:58:21,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2020-10-14 11:58:22,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 838. [2020-10-14 11:58:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-10-14 11:58:22,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1144 transitions. [2020-10-14 11:58:22,337 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1144 transitions. Word has length 34 [2020-10-14 11:58:22,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:58:22,338 INFO L479 AbstractCegarLoop]: Abstraction has 838 states and 1144 transitions. [2020-10-14 11:58:22,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 11:58:22,339 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1144 transitions. [2020-10-14 11:58:22,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-14 11:58:22,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:58:22,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 11:58:22,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 11:58:22,346 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:58:22,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:58:22,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1546729773, now seen corresponding path program 1 times [2020-10-14 11:58:22,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:58:22,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [733313298] [2020-10-14 11:58:22,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:58:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:22,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:22,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:23,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:23,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 11:58:23,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:58:23,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 726 [2020-10-14 11:58:23,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:23,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:23,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:23,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:58:23,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-14 11:58:23,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:58:24,392 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-14 11:58:24,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:58:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:24,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:24,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:24,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:24,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:24,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 11:58:24,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:24,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:24,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:24,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:24,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:24,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:24,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:58:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:24,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:24,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:24,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:24,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:24,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 11:58:24,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:24,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:24,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:24,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:24,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:58:24,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:58:24,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 11:58:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:24,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:24,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:24,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 11:58:24,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:24,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 11:58:24,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:24,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:24,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:24,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:24,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 11:58:24,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:58:24,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:58:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:24,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:24,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:24,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:24,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:24,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:58:24,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:24,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:24,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:24,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:58:24,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [733313298] [2020-10-14 11:58:24,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:58:24,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 11:58:24,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955922155] [2020-10-14 11:58:24,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 11:58:24,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:58:24,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 11:58:24,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 11:58:24,719 INFO L87 Difference]: Start difference. First operand 838 states and 1144 transitions. Second operand 5 states. [2020-10-14 11:58:27,585 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-14 11:58:39,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:58:39,443 INFO L93 Difference]: Finished difference Result 1113 states and 1593 transitions. [2020-10-14 11:58:39,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 11:58:39,443 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-10-14 11:58:39,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:58:39,452 INFO L225 Difference]: With dead ends: 1113 [2020-10-14 11:58:39,452 INFO L226 Difference]: Without dead ends: 1110 [2020-10-14 11:58:39,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 11:58:39,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2020-10-14 11:58:39,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 837. [2020-10-14 11:58:39,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states. [2020-10-14 11:58:39,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1142 transitions. [2020-10-14 11:58:39,683 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1142 transitions. Word has length 35 [2020-10-14 11:58:39,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:58:39,683 INFO L479 AbstractCegarLoop]: Abstraction has 837 states and 1142 transitions. [2020-10-14 11:58:39,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 11:58:39,684 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1142 transitions. [2020-10-14 11:58:39,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-14 11:58:39,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:58:39,687 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 11:58:39,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 11:58:39,687 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:58:39,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:58:39,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1005398816, now seen corresponding path program 1 times [2020-10-14 11:58:39,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:58:39,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [673784223] [2020-10-14 11:58:39,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:58:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:39,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:39,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:40,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:41,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:41,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-14 11:58:41,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 11:58:41,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2203 [2020-10-14 11:58:41,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:41,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:41,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:41,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 11:58:41,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 11:58:41,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:43,399 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-14 11:58:43,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:58:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:43,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:43,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:43,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:43,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:43,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 11:58:43,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:43,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:43,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:43,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:43,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:43,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:43,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:58:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:43,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:43,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:43,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:43,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:43,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 11:58:43,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:43,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:43,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:43,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:43,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:43,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:43,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 11:58:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:43,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:43,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:43,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 11:58:43,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:43,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-14 11:58:43,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:43,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:43,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:43,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 11:58:43,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:43,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:58:43,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:58:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:43,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:43,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:43,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 11:58:43,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:43,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:58:43,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:43,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:43,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:43,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:43,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:43,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:43,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:58:43,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [673784223] [2020-10-14 11:58:43,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:58:43,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 11:58:43,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150839680] [2020-10-14 11:58:43,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 11:58:43,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:58:43,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 11:58:43,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 11:58:43,696 INFO L87 Difference]: Start difference. First operand 837 states and 1142 transitions. Second operand 6 states. [2020-10-14 11:58:45,388 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-14 11:59:04,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:59:04,592 INFO L93 Difference]: Finished difference Result 3257 states and 4728 transitions. [2020-10-14 11:59:04,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 11:59:04,593 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2020-10-14 11:59:04,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:59:04,610 INFO L225 Difference]: With dead ends: 3257 [2020-10-14 11:59:04,611 INFO L226 Difference]: Without dead ends: 2431 [2020-10-14 11:59:04,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-14 11:59:04,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2431 states. [2020-10-14 11:59:04,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2431 to 1613. [2020-10-14 11:59:04,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1613 states. [2020-10-14 11:59:04,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 1613 states and 2209 transitions. [2020-10-14 11:59:04,980 INFO L78 Accepts]: Start accepts. Automaton has 1613 states and 2209 transitions. Word has length 40 [2020-10-14 11:59:04,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:59:04,981 INFO L479 AbstractCegarLoop]: Abstraction has 1613 states and 2209 transitions. [2020-10-14 11:59:04,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 11:59:04,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1613 states and 2209 transitions. [2020-10-14 11:59:04,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-14 11:59:04,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:59:04,984 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] [2020-10-14 11:59:04,984 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 11:59:04,984 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:59:04,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:59:04,984 INFO L82 PathProgramCache]: Analyzing trace with hash -506058925, now seen corresponding path program 1 times [2020-10-14 11:59:04,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:59:04,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1272671195] [2020-10-14 11:59:04,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:59:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:05,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:05,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:05,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:06,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:06,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 11:59:06,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 11:59:06,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1781 [2020-10-14 11:59:06,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:06,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:06,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:06,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 11:59:06,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 11:59:06,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:08,341 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-14 11:59:08,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:59:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:08,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:08,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:08,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:08,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:08,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 11:59:08,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:08,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:08,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:08,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:08,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:08,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:08,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:59:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:08,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:08,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:08,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:08,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:08,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 11:59:08,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:08,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:08,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:08,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:08,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:08,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:08,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 11:59:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:08,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:08,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:08,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 11:59:08,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:08,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 11:59:08,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:08,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:08,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:08,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 11:59:08,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:08,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:08,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:59:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:08,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:08,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:08,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 11:59:08,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:08,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 11:59:08,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:08,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:08,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:08,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:08,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:08,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:08,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:59:08,623 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1272671195] [2020-10-14 11:59:08,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:59:08,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 11:59:08,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946164885] [2020-10-14 11:59:08,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 11:59:08,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:59:08,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 11:59:08,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 11:59:08,627 INFO L87 Difference]: Start difference. First operand 1613 states and 2209 transitions. Second operand 6 states. [2020-10-14 11:59:10,401 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-14 11:59:38,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:59:38,864 INFO L93 Difference]: Finished difference Result 6337 states and 9217 transitions. [2020-10-14 11:59:38,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 11:59:38,866 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-10-14 11:59:38,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:59:38,895 INFO L225 Difference]: With dead ends: 6337 [2020-10-14 11:59:38,895 INFO L226 Difference]: Without dead ends: 4735 [2020-10-14 11:59:38,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-14 11:59:38,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4735 states. [2020-10-14 11:59:39,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4735 to 3134. [2020-10-14 11:59:39,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3134 states. [2020-10-14 11:59:39,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3134 states to 3134 states and 4298 transitions. [2020-10-14 11:59:39,923 INFO L78 Accepts]: Start accepts. Automaton has 3134 states and 4298 transitions. Word has length 38 [2020-10-14 11:59:39,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:59:39,925 INFO L479 AbstractCegarLoop]: Abstraction has 3134 states and 4298 transitions. [2020-10-14 11:59:39,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 11:59:39,925 INFO L276 IsEmpty]: Start isEmpty. Operand 3134 states and 4298 transitions. [2020-10-14 11:59:39,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-14 11:59:39,933 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:59:39,933 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] [2020-10-14 11:59:39,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 11:59:39,934 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:59:39,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:59:39,934 INFO L82 PathProgramCache]: Analyzing trace with hash 703472351, now seen corresponding path program 1 times [2020-10-14 11:59:39,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:59:39,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [701470482] [2020-10-14 11:59:39,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:59:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:40,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:40,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:40,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:40,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 11:59:40,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:59:40,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 473 [2020-10-14 11:59:40,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:40,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:40,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:40,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:59:40,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 11:59:40,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:41,759 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-14 11:59:41,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:59:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:41,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:41,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:41,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:41,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:41,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 11:59:41,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:41,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:41,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:41,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:41,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:41,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:41,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:59:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:41,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:41,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:41,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:41,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:41,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 11:59:41,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:41,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:41,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:41,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:41,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:59:41,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:41,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 11:59:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:41,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:41,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:41,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 11:59:41,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:41,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 11:59:41,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:41,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:41,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:41,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:41,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 11:59:41,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:41,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:59:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:41,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:41,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:41,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:41,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:41,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:59:41,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:41,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:41,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:41,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:41,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:41,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:41,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:59:41,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [701470482] [2020-10-14 11:59:41,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:59:41,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 11:59:41,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103019514] [2020-10-14 11:59:41,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 11:59:41,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:59:41,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 11:59:41,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 11:59:41,946 INFO L87 Difference]: Start difference. First operand 3134 states and 4298 transitions. Second operand 5 states. [2020-10-14 11:59:43,770 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-14 11:59:56,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:59:56,201 INFO L93 Difference]: Finished difference Result 4220 states and 6073 transitions. [2020-10-14 11:59:56,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 11:59:56,202 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-14 11:59:56,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:59:56,227 INFO L225 Difference]: With dead ends: 4220 [2020-10-14 11:59:56,227 INFO L226 Difference]: Without dead ends: 4217 [2020-10-14 11:59:56,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 11:59:56,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4217 states. [2020-10-14 11:59:57,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4217 to 3133. [2020-10-14 11:59:57,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3133 states. [2020-10-14 11:59:57,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 3133 states and 4296 transitions. [2020-10-14 11:59:57,392 INFO L78 Accepts]: Start accepts. Automaton has 3133 states and 4296 transitions. Word has length 36 [2020-10-14 11:59:57,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:59:57,393 INFO L479 AbstractCegarLoop]: Abstraction has 3133 states and 4296 transitions. [2020-10-14 11:59:57,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 11:59:57,393 INFO L276 IsEmpty]: Start isEmpty. Operand 3133 states and 4296 transitions. [2020-10-14 11:59:57,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-14 11:59:57,395 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:59:57,395 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] [2020-10-14 11:59:57,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 11:59:57,395 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:59:57,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:59:57,396 INFO L82 PathProgramCache]: Analyzing trace with hash 332300912, now seen corresponding path program 1 times [2020-10-14 11:59:57,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:59:57,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585863928] [2020-10-14 11:59:57,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:59:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:57,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:57,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:57,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:57,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-14 11:59:57,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:59:57,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 467 [2020-10-14 11:59:57,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:57,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:57,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:57,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:59:57,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 11:59:57,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:59,231 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-14 11:59:59,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:59:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:59,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:59,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:59,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:59,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:59,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 11:59:59,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:59,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:59,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:59,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:59,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:59,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:59,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:59:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:59,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:59,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:59,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:59,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:59,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 11:59:59,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:59,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:59,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:59,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:59,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:59:59,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:59,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 11:59:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:59,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:59,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:59,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 11:59:59,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:59,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 11:59:59,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:59,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:59,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:59,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:59,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 11:59:59,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:59,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:59:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:59,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:59,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:59,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:59,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:59,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:59:59,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:59,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:59,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:59,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:59,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:59,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:59,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:59:59,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585863928] [2020-10-14 11:59:59,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:59:59,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 11:59:59,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537865472] [2020-10-14 11:59:59,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 11:59:59,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:59:59,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 11:59:59,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 11:59:59,420 INFO L87 Difference]: Start difference. First operand 3133 states and 4296 transitions. Second operand 5 states. [2020-10-14 12:00:01,347 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-14 12:00:19,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:00:19,883 INFO L93 Difference]: Finished difference Result 8090 states and 11424 transitions. [2020-10-14 12:00:19,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 12:00:19,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-10-14 12:00:19,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:00:19,916 INFO L225 Difference]: With dead ends: 8090 [2020-10-14 12:00:19,917 INFO L226 Difference]: Without dead ends: 4955 [2020-10-14 12:00:19,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 12:00:19,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4955 states. [2020-10-14 12:00:21,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4955 to 3852. [2020-10-14 12:00:21,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3852 states. [2020-10-14 12:00:21,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3852 states to 3852 states and 5244 transitions. [2020-10-14 12:00:21,135 INFO L78 Accepts]: Start accepts. Automaton has 3852 states and 5244 transitions. Word has length 37 [2020-10-14 12:00:21,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:00:21,135 INFO L479 AbstractCegarLoop]: Abstraction has 3852 states and 5244 transitions. [2020-10-14 12:00:21,136 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 12:00:21,136 INFO L276 IsEmpty]: Start isEmpty. Operand 3852 states and 5244 transitions. [2020-10-14 12:00:21,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-14 12:00:21,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:00:21,144 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 12:00:21,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 12:00:21,145 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:00:21,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:00:21,145 INFO L82 PathProgramCache]: Analyzing trace with hash -273817074, now seen corresponding path program 1 times [2020-10-14 12:00:21,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:00:21,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1673099703] [2020-10-14 12:00:21,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:00:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:21,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:23,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:23,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-14 12:00:23,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:23,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2271 [2020-10-14 12:00:23,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:23,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:23,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 12:00:23,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 12:00:23,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 12:00:23,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:24,740 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-14 12:00:24,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:00:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:24,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:24,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:24,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:24,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:24,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-14 12:00:24,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:24,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:24,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:24,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:24,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:24,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:00:25,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:00:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:25,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:25,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:25,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:25,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:25,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:00:25,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:25,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:25,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:25,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:25,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:25,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:00:25,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 12:00:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:25,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:25,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:25,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:00:25,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:25,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 12:00:25,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:25,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:25,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:25,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:25,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:25,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:00:25,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:00:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:25,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:25,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:25,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:25,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:25,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 12:00:25,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:25,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:25,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:25,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:25,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:25,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:00:25,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 12:00:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:25,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:25,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:25,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:00:25,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:25,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:00:25,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:25,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:25,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:25,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:25,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:25,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:25,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:00:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:25,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:25,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:25,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:00:25,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:25,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:00:25,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:25,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:25,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:25,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:25,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:25,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:25,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 12:00:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:25,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:25,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:25,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 12:00:25,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:25,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 12:00:25,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:25,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:25,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:00:25,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:25,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 12:00:25,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:00:25,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:00:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:25,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:25,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:25,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 12:00:25,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:25,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 12:00:25,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:25,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:25,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:00:25,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:25,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 12:00:25,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:25,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 12:00:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:25,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:25,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:25,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:25,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:25,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:00:25,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:25,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:25,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:00:25,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:25,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 12:00:25,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:25,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 12:00:25,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1673099703] [2020-10-14 12:00:25,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:00:25,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 12:00:25,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945673583] [2020-10-14 12:00:25,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 12:00:25,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:00:25,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 12:00:25,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 12:00:25,267 INFO L87 Difference]: Start difference. First operand 3852 states and 5244 transitions. Second operand 7 states. [2020-10-14 12:00:32,862 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-14 12:00:49,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:00:49,521 INFO L93 Difference]: Finished difference Result 6247 states and 8995 transitions. [2020-10-14 12:00:49,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 12:00:49,529 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2020-10-14 12:00:49,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:00:49,562 INFO L225 Difference]: With dead ends: 6247 [2020-10-14 12:00:49,562 INFO L226 Difference]: Without dead ends: 5549 [2020-10-14 12:00:49,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-10-14 12:00:49,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5549 states. [2020-10-14 12:00:50,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5549 to 3730. [2020-10-14 12:00:50,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3730 states. [2020-10-14 12:00:50,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3730 states to 3730 states and 5050 transitions. [2020-10-14 12:00:50,606 INFO L78 Accepts]: Start accepts. Automaton has 3730 states and 5050 transitions. Word has length 78 [2020-10-14 12:00:50,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:00:50,606 INFO L479 AbstractCegarLoop]: Abstraction has 3730 states and 5050 transitions. [2020-10-14 12:00:50,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 12:00:50,607 INFO L276 IsEmpty]: Start isEmpty. Operand 3730 states and 5050 transitions. [2020-10-14 12:00:50,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-14 12:00:50,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:00:50,620 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 12:00:50,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 12:00:50,620 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:00:50,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:00:50,621 INFO L82 PathProgramCache]: Analyzing trace with hash 779573254, now seen corresponding path program 1 times [2020-10-14 12:00:50,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:00:50,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1143901977] [2020-10-14 12:00:50,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:00:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:50,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:50,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:51,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:51,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:53,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:53,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:53,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:54,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:55,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:55,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-14 12:00:55,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 12:00:55,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 12:00:55,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:55,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:55,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:00:55,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 12:00:55,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 12:00:55,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:56,924 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-14 12:00:56,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:00:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:56,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:57,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:57,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:57,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:57,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 12:00:57,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:57,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:57,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:57,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:57,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:57,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:00:57,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:00:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:57,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:57,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:57,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:57,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:57,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:00:57,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:57,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:57,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:57,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:57,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:57,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:57,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 12:00:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:57,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:57,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:57,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 12:00:57,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:57,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 12:00:57,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:57,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:57,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:57,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-14 12:00:57,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:57,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:57,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 12:00:57,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 12:00:57,177 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:235) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:557) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertLocalVarAssignemntPendingContext(AnnotateAndAssertCodeBlocks.java:169) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:120) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:206) ... 33 more [2020-10-14 12:00:57,189 INFO L168 Benchmark]: Toolchain (without parser) took 179735.56 ms. Allocated memory was 146.3 MB in the beginning and 2.2 GB in the end (delta: 2.1 GB). Free memory was 96.4 MB in the beginning and 1.1 GB in the end (delta: -985.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-14 12:00:57,191 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-14 12:00:57,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2094.06 ms. Allocated memory was 146.3 MB in the beginning and 240.1 MB in the end (delta: 93.8 MB). Free memory was 96.4 MB in the beginning and 199.6 MB in the end (delta: -103.2 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2020-10-14 12:00:57,192 INFO L168 Benchmark]: Boogie Preprocessor took 274.03 ms. Allocated memory is still 240.1 MB. Free memory was 199.6 MB in the beginning and 183.3 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2020-10-14 12:00:57,195 INFO L168 Benchmark]: RCFGBuilder took 2994.95 ms. Allocated memory was 240.1 MB in the beginning and 307.2 MB in the end (delta: 67.1 MB). Free memory was 183.3 MB in the beginning and 223.9 MB in the end (delta: -40.6 MB). Peak memory consumption was 120.8 MB. Max. memory is 7.1 GB. [2020-10-14 12:00:57,196 INFO L168 Benchmark]: TraceAbstraction took 174367.62 ms. Allocated memory was 307.2 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 220.6 MB in the beginning and 1.1 GB in the end (delta: -861.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-14 12:00:57,207 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2094.06 ms. Allocated memory was 146.3 MB in the beginning and 240.1 MB in the end (delta: 93.8 MB). Free memory was 96.4 MB in the beginning and 199.6 MB in the end (delta: -103.2 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 274.03 ms. Allocated memory is still 240.1 MB. Free memory was 199.6 MB in the beginning and 183.3 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2994.95 ms. Allocated memory was 240.1 MB in the beginning and 307.2 MB in the end (delta: 67.1 MB). Free memory was 183.3 MB in the beginning and 223.9 MB in the end (delta: -40.6 MB). Peak memory consumption was 120.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 174367.62 ms. Allocated memory was 307.2 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 220.6 MB in the beginning and 1.1 GB in the end (delta: -861.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:235) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...