/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:57:43,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:57:43,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:57:43,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:57:43,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:57:43,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:57:43,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:57:43,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:57:43,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:57:43,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:57:43,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:57:43,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:57:43,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:57:43,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:57:43,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:57:43,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:57:43,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:57:43,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:57:43,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:57:43,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:57:43,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:57:43,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:57:43,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:57:43,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:57:43,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:57:43,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:57:43,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:57:43,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:57:43,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:57:43,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:57:43,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:57:43,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:57:43,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:57:43,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:57:43,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:57:43,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:57:43,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:57:43,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:57:43,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:57:43,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:57:43,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:57:43,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 00:57:43,222 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:57:43,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:57:43,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:57:43,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:57:43,225 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:57:43,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:57:43,226 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:57:43,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:57:43,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:57:43,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:57:43,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:57:43,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:57:43,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:57:43,229 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:57:43,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:57:43,229 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:57:43,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:57:43,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:57:43,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:57:43,230 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:57:43,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:57:43,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:57:43,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:57:43,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:57:43,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:57:43,231 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:57:43,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:57:43,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:57:43,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:57:43,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-09-25 00:57:43,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:57:43,731 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:57:43,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:57:43,740 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:57:43,741 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:57:43,742 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-09-25 00:57:43,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eed7e450a/81bf4b16085b40cf85fbfc2fb9ea31fd/FLAG94c7f9cc1 [2020-09-25 00:57:44,473 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:57:44,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-09-25 00:57:44,482 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eed7e450a/81bf4b16085b40cf85fbfc2fb9ea31fd/FLAG94c7f9cc1 [2020-09-25 00:57:44,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eed7e450a/81bf4b16085b40cf85fbfc2fb9ea31fd [2020-09-25 00:57:44,724 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:57:44,730 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:57:44,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:57:44,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:57:44,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:57:44,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:57:44" (1/1) ... [2020-09-25 00:57:44,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1516d3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:44, skipping insertion in model container [2020-09-25 00:57:44,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:57:44" (1/1) ... [2020-09-25 00:57:44,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:57:44,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:57:45,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:57:45,039 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:57:45,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:57:45,180 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:57:45,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:45 WrapperNode [2020-09-25 00:57:45,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:57:45,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:57:45,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:57:45,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:57:45,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:45" (1/1) ... [2020-09-25 00:57:45,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:45" (1/1) ... [2020-09-25 00:57:45,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:45" (1/1) ... [2020-09-25 00:57:45,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:45" (1/1) ... [2020-09-25 00:57:45,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:45" (1/1) ... [2020-09-25 00:57:45,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:45" (1/1) ... [2020-09-25 00:57:45,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:45" (1/1) ... [2020-09-25 00:57:45,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:57:45,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:57:45,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:57:45,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:57:45,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:57:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:57:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:57:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-25 00:57:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 00:57:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 00:57:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-09-25 00:57:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-09-25 00:57:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-09-25 00:57:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-09-25 00:57:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:57:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 00:57:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:57:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-25 00:57:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 00:57:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 00:57:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:57:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 00:57:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 00:57:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-09-25 00:57:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:57:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-09-25 00:57:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-09-25 00:57:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-09-25 00:57:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:57:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:57:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:57:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:57:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:57:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:57:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:57:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:57:45,747 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:57:45,748 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 00:57:45,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:57:45 BoogieIcfgContainer [2020-09-25 00:57:45,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:57:45,756 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:57:45,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:57:45,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:57:45,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:57:44" (1/3) ... [2020-09-25 00:57:45,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78096a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:57:45, skipping insertion in model container [2020-09-25 00:57:45,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:45" (2/3) ... [2020-09-25 00:57:45,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78096a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:57:45, skipping insertion in model container [2020-09-25 00:57:45,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:57:45" (3/3) ... [2020-09-25 00:57:45,767 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2020-09-25 00:57:45,779 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:57:45,792 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:57:45,813 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:57:45,844 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:57:45,844 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:57:45,844 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:57:45,845 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:57:45,845 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:57:45,845 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:57:45,845 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:57:45,845 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:57:45,871 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2020-09-25 00:57:45,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-25 00:57:45,881 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:57:45,883 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] [2020-09-25 00:57:45,883 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:57:45,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:57:45,892 INFO L82 PathProgramCache]: Analyzing trace with hash 991863416, now seen corresponding path program 1 times [2020-09-25 00:57:45,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:57:45,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1684803411] [2020-09-25 00:57:45,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:57:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:46,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:46,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:47,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:47,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 00:57:47,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:57:47,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1064 [2020-09-25 00:57:47,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:47,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:57:47,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-25 00:57:47,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 00:57:47,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 00:57:47,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:57:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:47,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:47,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:47,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:57:47,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:47,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 00:57:47,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:47,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:57:47,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:57:47,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:57:47,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:57:47,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 00:57:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:47,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:47,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:47,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-25 00:57:47,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:47,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-09-25 00:57:47,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:47,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:57:47,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 00:57:47,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 00:57:47,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:57:47,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:57:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:47,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:47,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:47,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 00:57:47,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:47,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 00:57:47,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:47,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:57:47,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:57:47,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 00:57:47,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:57:47,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:57:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:47,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:47,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:47,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:57:47,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:47,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:57:47,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:47,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:57:47,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:57:47,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:57:47,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:57:47,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:57:47,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1684803411] [2020-09-25 00:57:47,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:57:47,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 00:57:47,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690929325] [2020-09-25 00:57:47,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 00:57:47,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:57:47,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 00:57:47,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 00:57:47,784 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 10 states. [2020-09-25 00:57:48,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:57:48,489 INFO L93 Difference]: Finished difference Result 119 states and 132 transitions. [2020-09-25 00:57:48,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 00:57:48,492 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2020-09-25 00:57:48,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:57:48,514 INFO L225 Difference]: With dead ends: 119 [2020-09-25 00:57:48,514 INFO L226 Difference]: Without dead ends: 98 [2020-09-25 00:57:48,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-09-25 00:57:48,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-09-25 00:57:48,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2020-09-25 00:57:48,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-09-25 00:57:48,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 103 transitions. [2020-09-25 00:57:48,647 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 103 transitions. Word has length 38 [2020-09-25 00:57:48,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:57:48,647 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 103 transitions. [2020-09-25 00:57:48,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 00:57:48,648 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 103 transitions. [2020-09-25 00:57:48,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 00:57:48,651 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:57:48,652 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-25 00:57:48,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:57:48,652 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:57:48,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:57:48,653 INFO L82 PathProgramCache]: Analyzing trace with hash -630533651, now seen corresponding path program 1 times [2020-09-25 00:57:48,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:57:48,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626102212] [2020-09-25 00:57:48,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:57:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:48,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:48,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:49,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:49,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:57:49,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:57:49,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 832 [2020-09-25 00:57:49,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:49,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:57:49,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-25 00:57:49,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 00:57:49,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:57:49,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:57:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:49,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:49,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:49,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:57:49,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:49,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:57:49,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:49,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:57:49,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:57:49,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:57:49,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:57:49,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 00:57:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:49,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:49,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:49,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 00:57:49,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:49,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-09-25 00:57:49,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:49,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:57:49,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-25 00:57:49,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 00:57:49,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:57:49,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:57:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:49,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:49,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:49,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 00:57:49,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:49,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:57:49,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:49,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:57:49,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:57:49,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:57:49,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:57:49,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:57:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:49,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:49,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:49,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:57:49,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:49,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:57:49,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:49,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:57:49,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:57:49,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:57:49,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:57:49,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 00:57:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:49,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:49,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:49,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 00:57:49,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:49,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 00:57:49,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:49,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:57:49,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:57:49,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 00:57:49,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:57:49,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:57:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:49,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:49,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:49,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:57:49,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:49,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:57:50,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:50,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:57:50,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:57:50,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:57:50,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:57:50,014 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-25 00:57:50,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626102212] [2020-09-25 00:57:50,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:57:50,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 00:57:50,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638263778] [2020-09-25 00:57:50,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 00:57:50,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:57:50,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 00:57:50,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 00:57:50,020 INFO L87 Difference]: Start difference. First operand 96 states and 103 transitions. Second operand 10 states. [2020-09-25 00:57:50,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:57:50,655 INFO L93 Difference]: Finished difference Result 118 states and 124 transitions. [2020-09-25 00:57:50,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 00:57:50,656 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-09-25 00:57:50,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:57:50,658 INFO L225 Difference]: With dead ends: 118 [2020-09-25 00:57:50,658 INFO L226 Difference]: Without dead ends: 107 [2020-09-25 00:57:50,660 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2020-09-25 00:57:50,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-09-25 00:57:50,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2020-09-25 00:57:50,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-09-25 00:57:50,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 110 transitions. [2020-09-25 00:57:50,676 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 110 transitions. Word has length 53 [2020-09-25 00:57:50,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:57:50,677 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 110 transitions. [2020-09-25 00:57:50,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 00:57:50,677 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 110 transitions. [2020-09-25 00:57:50,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-09-25 00:57:50,680 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:57:50,681 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-25 00:57:50,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:57:50,681 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:57:50,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:57:50,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1439695258, now seen corresponding path program 1 times [2020-09-25 00:57:50,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:57:50,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983514090] [2020-09-25 00:57:50,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:57:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:50,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:50,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:50,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:53,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:55,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:55,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-25 00:57:55,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:57:55,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-25 00:57:55,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:55,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:57:55,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-09-25 00:57:55,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 00:57:55,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:57:55,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:57:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:55,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:55,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:55,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:57:55,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:55,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:57:55,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:55,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:57:55,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:57:55,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:57:55,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:57:55,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 00:57:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:55,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:55,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:56,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:56,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:00,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:00,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-25 00:58:00,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:58:00,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-25 00:58:00,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 00:58:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-25 00:58:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 00:58:00,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:58:00,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:58:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:00,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:00,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:00,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 00:58:00,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:00,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:58:00,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:00,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:00,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:00,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:00,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:00,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:58:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:00,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:00,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:00,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:58:00,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:00,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:58:00,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:00,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:00,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:00,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:00,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:58:00,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 00:58:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:00,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:00,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:00,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 00:58:00,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:00,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:58:00,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:00,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:00,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:00,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:58:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:00,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:00,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:00,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:58:00,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:01,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:58:01,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:01,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:01,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:01,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:58:01,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-25 00:58:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:01,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:01,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:01,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 00:58:01,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:01,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-25 00:58:01,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:01,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:58:01,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:01,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 00:58:01,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 00:58:01,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:58:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:01,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:01,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:01,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 00:58:01,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:01,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 00:58:01,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:01,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:58:01,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:01,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 00:58:01,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:58:01,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:58:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:01,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:01,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:01,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:58:01,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:01,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:58:01,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:01,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:58:01,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:01,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:58:01,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:01,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-25 00:58:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:01,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:01,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:01,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:58:01,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:01,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:58:01,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:01,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:01,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 00:58:01,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:01,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:01,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-09-25 00:58:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:01,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:01,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:01,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:58:01,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:01,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:58:01,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:01,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:01,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 00:58:01,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:01,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:01,285 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-25 00:58:01,286 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983514090] [2020-09-25 00:58:01,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:58:01,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 00:58:01,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103184343] [2020-09-25 00:58:01,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 00:58:01,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:58:01,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 00:58:01,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-09-25 00:58:01,289 INFO L87 Difference]: Start difference. First operand 105 states and 110 transitions. Second operand 14 states. [2020-09-25 00:58:02,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:58:02,020 INFO L93 Difference]: Finished difference Result 133 states and 138 transitions. [2020-09-25 00:58:02,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 00:58:02,021 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 89 [2020-09-25 00:58:02,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:58:02,023 INFO L225 Difference]: With dead ends: 133 [2020-09-25 00:58:02,024 INFO L226 Difference]: Without dead ends: 101 [2020-09-25 00:58:02,025 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=788, Unknown=0, NotChecked=0, Total=930 [2020-09-25 00:58:02,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-09-25 00:58:02,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-09-25 00:58:02,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-09-25 00:58:02,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 103 transitions. [2020-09-25 00:58:02,038 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 103 transitions. Word has length 89 [2020-09-25 00:58:02,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:58:02,039 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 103 transitions. [2020-09-25 00:58:02,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 00:58:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 103 transitions. [2020-09-25 00:58:02,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-09-25 00:58:02,041 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:58:02,041 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:58:02,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:58:02,042 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:58:02,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:58:02,042 INFO L82 PathProgramCache]: Analyzing trace with hash 581149382, now seen corresponding path program 1 times [2020-09-25 00:58:02,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:58:02,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1239395999] [2020-09-25 00:58:02,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:58:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:02,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:02,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:02,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:04,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:04,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-09-25 00:58:04,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:58:04,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2368 [2020-09-25 00:58:04,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:04,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:58:04,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-09-25 00:58:04,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 00:58:04,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:04,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:58:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:04,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:04,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:04,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:58:04,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:04,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:58:04,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:04,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:04,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:04,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:04,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:04,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 00:58:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:04,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:04,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:04,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:05,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:05,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-25 00:58:05,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:58:05,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1352 [2020-09-25 00:58:05,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:05,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:58:05,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-25 00:58:05,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 00:58:05,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:06,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:58:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:06,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:06,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:06,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 00:58:06,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:06,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:58:06,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:06,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:06,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:06,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:06,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:06,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:58:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:06,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:06,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:06,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:58:06,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:06,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:58:06,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:06,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:06,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:06,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:06,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:06,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 00:58:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:06,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:06,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:06,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 00:58:06,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:06,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:58:06,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:06,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:06,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:06,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:06,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:58:06,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:58:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:06,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:06,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:06,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:58:06,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:06,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:58:06,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:06,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:06,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:06,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:06,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:06,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-25 00:58:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:06,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:06,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:06,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 00:58:06,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:06,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 00:58:06,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:06,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:58:06,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:06,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 00:58:06,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:58:06,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:58:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:06,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:06,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:06,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 00:58:06,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:06,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:58:06,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:06,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:06,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:06,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:06,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:06,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:58:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:06,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:06,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:06,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:58:06,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:06,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:58:06,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:06,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:06,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:06,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:06,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:58:06,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-25 00:58:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:06,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:06,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:06,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:58:06,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:06,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 00:58:06,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:06,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:58:06,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:06,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:58:06,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:06,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-25 00:58:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:06,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:06,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:06,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:58:06,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:06,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 00:58:06,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:06,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:58:06,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 00:58:06,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:58:06,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:58:06,307 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-09-25 00:58:06,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1239395999] [2020-09-25 00:58:06,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:58:06,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-25 00:58:06,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335382364] [2020-09-25 00:58:06,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 00:58:06,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:58:06,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 00:58:06,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-09-25 00:58:06,312 INFO L87 Difference]: Start difference. First operand 101 states and 103 transitions. Second operand 13 states. [2020-09-25 00:58:07,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:58:07,169 INFO L93 Difference]: Finished difference Result 106 states and 108 transitions. [2020-09-25 00:58:07,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 00:58:07,170 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 98 [2020-09-25 00:58:07,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:58:07,171 INFO L225 Difference]: With dead ends: 106 [2020-09-25 00:58:07,171 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 00:58:07,172 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=158, Invalid=544, Unknown=0, NotChecked=0, Total=702 [2020-09-25 00:58:07,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 00:58:07,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 00:58:07,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 00:58:07,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 00:58:07,179 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-09-25 00:58:07,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:58:07,179 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 00:58:07,179 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 00:58:07,179 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 00:58:07,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 00:58:07,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 00:58:07,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 00:58:07,993 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numEXIT(lines 54 56) no Hoare annotation was computed. [2020-09-25 00:58:07,993 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-25 00:58:07,993 INFO L268 CegarLoopResult]: For program point L55-1(line 55) no Hoare annotation was computed. [2020-09-25 00:58:07,993 INFO L264 CegarLoopResult]: At program point ibmphp_find_same_bus_numENTRY(lines 54 56) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) (= ~tmp_slot~0.base 0)) [2020-09-25 00:58:07,994 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numFINAL(lines 54 56) no Hoare annotation was computed. [2020-09-25 00:58:07,994 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 00:58:07,994 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 00:58:07,994 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 00:58:07,994 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |old(#NULL.base)| |#NULL.base|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-25 00:58:07,994 INFO L268 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-09-25 00:58:07,995 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-25 00:58:07,997 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-25 00:58:07,997 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 00:58:07,997 INFO L268 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-09-25 00:58:07,997 INFO L268 CegarLoopResult]: For program point kfreeEXIT(lines 48 51) no Hoare annotation was computed. [2020-09-25 00:58:07,998 INFO L268 CegarLoopResult]: For program point L49-2(lines 48 51) no Hoare annotation was computed. [2020-09-25 00:58:07,998 INFO L264 CegarLoopResult]: At program point kfreeENTRY(lines 48 51) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (not (<= 1 ~used_tmp_slot~0)) (= ~tmp_slot~0.base 0)) [2020-09-25 00:58:07,998 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-25 00:58:07,998 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-25 00:58:07,998 INFO L268 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-09-25 00:58:07,998 INFO L264 CegarLoopResult]: At program point L46-2(line 46) the Hoare annotation is: (let ((.cse0 (and (= |#memory_int| |old(#memory_int)|) (not (= |kzalloc_#t~malloc0.base| 0))))) (and (or (not (= ~freed_tmp_slot~0 1)) .cse0) (or (= ~tmp_slot~0.base 0) .cse0))) [2020-09-25 00:58:07,999 INFO L268 CegarLoopResult]: For program point L46-3(line 46) no Hoare annotation was computed. [2020-09-25 00:58:07,999 INFO L268 CegarLoopResult]: For program point kzallocEXIT(line 46) no Hoare annotation was computed. [2020-09-25 00:58:07,999 INFO L264 CegarLoopResult]: At program point kzallocENTRY(line 46) the Hoare annotation is: (let ((.cse0 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 (not (= ~freed_tmp_slot~0 1))) (or .cse0 (= ~tmp_slot~0.base 0)))) [2020-09-25 00:58:07,999 INFO L268 CegarLoopResult]: For program point kzallocFINAL(line 46) no Hoare annotation was computed. [2020-09-25 00:58:08,002 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-09-25 00:58:08,003 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-09-25 00:58:08,003 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-09-25 00:58:08,003 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-09-25 00:58:08,003 INFO L271 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 65 68) the Hoare annotation is: true [2020-09-25 00:58:08,003 INFO L268 CegarLoopResult]: For program point L67-2(line 67) no Hoare annotation was computed. [2020-09-25 00:58:08,003 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoFINAL(lines 65 68) no Hoare annotation was computed. [2020-09-25 00:58:08,004 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoEXIT(lines 65 68) no Hoare annotation was computed. [2020-09-25 00:58:08,004 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-25 00:58:08,004 INFO L268 CegarLoopResult]: For program point L67-1(line 67) no Hoare annotation was computed. [2020-09-25 00:58:08,004 INFO L268 CegarLoopResult]: For program point L97(lines 97 105) no Hoare annotation was computed. [2020-09-25 00:58:08,004 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerEXIT(lines 70 131) no Hoare annotation was computed. [2020-09-25 00:58:08,004 INFO L264 CegarLoopResult]: At program point L126(lines 70 131) the Hoare annotation is: (or (and (= ~freed_tmp_slot~0 1) (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-09-25 00:58:08,004 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-25 00:58:08,005 INFO L268 CegarLoopResult]: For program point L93-1(line 93) no Hoare annotation was computed. [2020-09-25 00:58:08,005 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-09-25 00:58:08,006 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (or (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0) (= (select (select |#memory_$Pointer$.offset| ebda_rsrc_controller_~hp_slot_ptr~0.base) ebda_rsrc_controller_~hp_slot_ptr~0.offset) ~tmp_slot~0.offset) (= (select (select |#memory_$Pointer$.base| ebda_rsrc_controller_~hp_slot_ptr~0.base) ebda_rsrc_controller_~hp_slot_ptr~0.offset) ~tmp_slot~0.base)) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-09-25 00:58:08,006 INFO L268 CegarLoopResult]: For program point L85(lines 85 88) no Hoare annotation was computed. [2020-09-25 00:58:08,006 INFO L268 CegarLoopResult]: For program point L118-1(line 118) no Hoare annotation was computed. [2020-09-25 00:58:08,007 INFO L268 CegarLoopResult]: For program point L118-2(line 118) no Hoare annotation was computed. [2020-09-25 00:58:08,007 INFO L268 CegarLoopResult]: For program point L118-3(line 118) no Hoare annotation was computed. [2020-09-25 00:58:08,007 INFO L264 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (or (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0) (= (select (select |#memory_$Pointer$.offset| ebda_rsrc_controller_~hp_slot_ptr~0.base) ebda_rsrc_controller_~hp_slot_ptr~0.offset) ~tmp_slot~0.offset) (= (select (select |#memory_$Pointer$.base| ebda_rsrc_controller_~hp_slot_ptr~0.base) ebda_rsrc_controller_~hp_slot_ptr~0.offset) ~tmp_slot~0.base)) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-09-25 00:58:08,007 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-25 00:58:08,007 INFO L268 CegarLoopResult]: For program point L114-1(line 114) no Hoare annotation was computed. [2020-09-25 00:58:08,007 INFO L264 CegarLoopResult]: At program point L81-1(line 81) the Hoare annotation is: (or (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0)) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-09-25 00:58:08,008 INFO L268 CegarLoopResult]: For program point L114-2(line 114) no Hoare annotation was computed. [2020-09-25 00:58:08,008 INFO L268 CegarLoopResult]: For program point L114-3(line 114) no Hoare annotation was computed. [2020-09-25 00:58:08,008 INFO L268 CegarLoopResult]: For program point L77(lines 77 80) no Hoare annotation was computed. [2020-09-25 00:58:08,008 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-25 00:58:08,008 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-25 00:58:08,008 INFO L268 CegarLoopResult]: For program point L106-1(line 106) no Hoare annotation was computed. [2020-09-25 00:58:08,008 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-09-25 00:58:08,008 INFO L264 CegarLoopResult]: At program point L94(line 94) the Hoare annotation is: (or (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-09-25 00:58:08,009 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-25 00:58:08,009 INFO L268 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2020-09-25 00:58:08,009 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-25 00:58:08,009 INFO L268 CegarLoopResult]: For program point L115(lines 115 116) no Hoare annotation was computed. [2020-09-25 00:58:08,009 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-09-25 00:58:08,009 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-25 00:58:08,009 INFO L268 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-09-25 00:58:08,009 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-25 00:58:08,010 INFO L264 CegarLoopResult]: At program point L120(lines 70 131) the Hoare annotation is: (or (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0) (= (select (select |#memory_$Pointer$.offset| ebda_rsrc_controller_~hp_slot_ptr~0.base) ebda_rsrc_controller_~hp_slot_ptr~0.offset) ~tmp_slot~0.offset) (= (select (select |#memory_$Pointer$.base| ebda_rsrc_controller_~hp_slot_ptr~0.base) ebda_rsrc_controller_~hp_slot_ptr~0.offset) ~tmp_slot~0.base)) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-09-25 00:58:08,010 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-25 00:58:08,010 INFO L268 CegarLoopResult]: For program point L83-1(line 83) no Hoare annotation was computed. [2020-09-25 00:58:08,010 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-09-25 00:58:08,011 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-09-25 00:58:08,011 INFO L264 CegarLoopResult]: At program point ebda_rsrc_controllerENTRY(lines 70 131) the Hoare annotation is: (or (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-09-25 00:58:08,012 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (or (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~tmp_slot~0.offset |ebda_rsrc_controller_#t~mem9.offset|) (<= 1 ~used_tmp_slot~0) (= (select (select |#memory_$Pointer$.offset| ebda_rsrc_controller_~hp_slot_ptr~0.base) ebda_rsrc_controller_~hp_slot_ptr~0.offset) ~tmp_slot~0.offset) (= |ebda_rsrc_controller_#t~mem9.base| ~tmp_slot~0.base) (= (select (select |#memory_$Pointer$.base| ebda_rsrc_controller_~hp_slot_ptr~0.base) ebda_rsrc_controller_~hp_slot_ptr~0.offset) ~tmp_slot~0.base)) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-09-25 00:58:08,012 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerFINAL(lines 70 131) no Hoare annotation was computed. [2020-09-25 00:58:08,012 INFO L268 CegarLoopResult]: For program point L125-1(line 125) no Hoare annotation was computed. [2020-09-25 00:58:08,012 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-25 00:58:08,012 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (or (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-09-25 00:58:08,013 INFO L268 CegarLoopResult]: For program point L109-1(line 109) no Hoare annotation was computed. [2020-09-25 00:58:08,013 INFO L268 CegarLoopResult]: For program point L76-1(line 76) no Hoare annotation was computed. [2020-09-25 00:58:08,013 INFO L268 CegarLoopResult]: For program point L76-2(line 76) no Hoare annotation was computed. [2020-09-25 00:58:08,013 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (not (= |old(~freed_tmp_slot~0)| 1)) [2020-09-25 00:58:08,013 INFO L268 CegarLoopResult]: For program point L101-1(line 101) no Hoare annotation was computed. [2020-09-25 00:58:08,013 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 00:58:08,013 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~freed_tmp_slot~0 1) [2020-09-25 00:58:08,014 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 00:58:08,014 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 00:58:08,014 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 133 137) the Hoare annotation is: (or (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-09-25 00:58:08,014 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 133 137) no Hoare annotation was computed. [2020-09-25 00:58:08,014 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-25 00:58:08,015 INFO L268 CegarLoopResult]: For program point L135(lines 135 136) no Hoare annotation was computed. [2020-09-25 00:58:08,015 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-09-25 00:58:08,016 INFO L264 CegarLoopResult]: At program point L136-2(line 136) the Hoare annotation is: (not (= |old(~freed_tmp_slot~0)| 1)) [2020-09-25 00:58:08,016 INFO L268 CegarLoopResult]: For program point L135-1(lines 133 137) no Hoare annotation was computed. [2020-09-25 00:58:08,016 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-09-25 00:58:08,016 INFO L271 CegarLoopResult]: At program point fillslotinfoENTRY(lines 60 63) the Hoare annotation is: true [2020-09-25 00:58:08,016 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-09-25 00:58:08,016 INFO L268 CegarLoopResult]: For program point L62-1(line 62) no Hoare annotation was computed. [2020-09-25 00:58:08,016 INFO L268 CegarLoopResult]: For program point L62-2(line 62) no Hoare annotation was computed. [2020-09-25 00:58:08,017 INFO L268 CegarLoopResult]: For program point fillslotinfoEXIT(lines 60 63) no Hoare annotation was computed. [2020-09-25 00:58:08,020 INFO L268 CegarLoopResult]: For program point fillslotinfoFINAL(lines 60 63) no Hoare annotation was computed. [2020-09-25 00:58:08,020 INFO L264 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (let ((.cse0 (= |#memory_int| |old(#memory_int)|))) (and (or .cse0 (not (= ~freed_tmp_slot~0 1))) (or .cse0 (= ~tmp_slot~0.base 0)))) [2020-09-25 00:58:08,020 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-09-25 00:58:08,020 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-09-25 00:58:08,042 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 00:58:08,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 00:58:08,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 00:58:08,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 00:58:08,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 00:58:08,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 00:58:08,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 00:58:08,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 00:58:08,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:58:08 BoogieIcfgContainer [2020-09-25 00:58:08,060 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 00:58:08,065 INFO L168 Benchmark]: Toolchain (without parser) took 23336.95 ms. Allocated memory was 140.5 MB in the beginning and 380.6 MB in the end (delta: 240.1 MB). Free memory was 103.3 MB in the beginning and 334.0 MB in the end (delta: -230.8 MB). Peak memory consumption was 251.3 MB. Max. memory is 7.1 GB. [2020-09-25 00:58:08,066 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 00:58:08,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.91 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.6 MB in the beginning and 182.2 MB in the end (delta: -79.6 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-09-25 00:58:08,075 INFO L168 Benchmark]: Boogie Preprocessor took 53.33 ms. Allocated memory is still 203.9 MB. Free memory was 182.2 MB in the beginning and 179.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-09-25 00:58:08,077 INFO L168 Benchmark]: RCFGBuilder took 519.67 ms. Allocated memory is still 203.9 MB. Free memory was 179.8 MB in the beginning and 153.2 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2020-09-25 00:58:08,077 INFO L168 Benchmark]: TraceAbstraction took 22304.33 ms. Allocated memory was 203.9 MB in the beginning and 380.6 MB in the end (delta: 176.7 MB). Free memory was 152.5 MB in the beginning and 334.0 MB in the end (delta: -181.5 MB). Peak memory consumption was 237.2 MB. Max. memory is 7.1 GB. [2020-09-25 00:58:08,090 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 449.91 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.6 MB in the beginning and 182.2 MB in the end (delta: -79.6 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.33 ms. Allocated memory is still 203.9 MB. Free memory was 182.2 MB in the beginning and 179.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 519.67 ms. Allocated memory is still 203.9 MB. Free memory was 179.8 MB in the beginning and 153.2 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22304.33 ms. Allocated memory was 203.9 MB in the beginning and 380.6 MB in the end (delta: 176.7 MB). Free memory was 152.5 MB in the beginning and 334.0 MB in the end (delta: -181.5 MB). Peak memory consumption was 237.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 70]: Loop Invariant [2020-09-25 00:58:08,107 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 00:58:08,107 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 00:58:08,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 00:58:08,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 00:58:08,108 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 00:58:08,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 00:58:08,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 00:58:08,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && 1 <= used_tmp_slot) && #memory_$Pointer$[hp_slot_ptr][hp_slot_ptr] == tmp_slot) && #memory_$Pointer$[hp_slot_ptr][hp_slot_ptr] == tmp_slot) || !(\old(freed_tmp_slot) == 1) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((freed_tmp_slot == 1 && !(hp_slot_ptr == 0)) && !(tmp_slot == 0)) || !(\old(freed_tmp_slot) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.3s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 352 SDtfs, 607 SDslu, 1231 SDs, 0 SdLazy, 1337 SolverSat, 243 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 33 PreInvPairs, 36 NumberOfFragments, 407 HoareAnnotationTreeSize, 33 FomulaSimplifications, 72 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 23 FomulaSimplificationsInter, 468 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 17.7s InterpolantComputationTime, 278 NumberOfCodeBlocks, 278 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 274 ConstructedInterpolants, 0 QuantifiedInterpolants, 86652 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 74/74 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...