/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=SMALLEST --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 [2020-09-24 18:17:26,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 18:17:26,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 18:17:26,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 18:17:26,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 18:17:26,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 18:17:26,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 18:17:26,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 18:17:26,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 18:17:26,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 18:17:26,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 18:17:26,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 18:17:26,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 18:17:26,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 18:17:26,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 18:17:26,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 18:17:26,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 18:17:26,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 18:17:26,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 18:17:26,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 18:17:26,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 18:17:26,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 18:17:26,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 18:17:26,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 18:17:26,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 18:17:26,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 18:17:26,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 18:17:26,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 18:17:26,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 18:17:26,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 18:17:26,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 18:17:26,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 18:17:26,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 18:17:26,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 18:17:26,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 18:17:26,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 18:17:26,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 18:17:26,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 18:17:26,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 18:17:26,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 18:17:26,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 18:17:26,169 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 [2020-09-24 18:17:26,194 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 18:17:26,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 18:17:26,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 18:17:26,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 18:17:26,196 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 18:17:26,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 18:17:26,196 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 18:17:26,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 18:17:26,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 18:17:26,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 18:17:26,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 18:17:26,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 18:17:26,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 18:17:26,197 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 18:17:26,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 18:17:26,198 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 18:17:26,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 18:17:26,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 18:17:26,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 18:17:26,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 18:17:26,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 18:17:26,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 18:17:26,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 18:17:26,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 18:17:26,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 18:17:26,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 18:17:26,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 18:17:26,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 18:17:26,200 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 18:17:26,201 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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;log-additional-information=true; [2020-09-24 18:17:26,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 18:17:26,669 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 18:17:26,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 18:17:26,675 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 18:17:26,677 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 18:17:26,678 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-09-24 18:17:26,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/faf3dd4e7/7f0f444d19fe4b0b8f5eb63685c62237/FLAG72c6b419f [2020-09-24 18:17:27,324 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 18:17:27,324 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-09-24 18:17:27,333 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/faf3dd4e7/7f0f444d19fe4b0b8f5eb63685c62237/FLAG72c6b419f [2020-09-24 18:17:27,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/faf3dd4e7/7f0f444d19fe4b0b8f5eb63685c62237 [2020-09-24 18:17:27,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 18:17:27,667 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 18:17:27,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 18:17:27,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 18:17:27,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 18:17:27,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:17:27" (1/1) ... [2020-09-24 18:17:27,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6165be1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:27, skipping insertion in model container [2020-09-24 18:17:27,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:17:27" (1/1) ... [2020-09-24 18:17:27,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 18:17:27,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 18:17:27,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:17:27,997 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 18:17:28,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:17:28,136 INFO L208 MainTranslator]: Completed translation [2020-09-24 18:17:28,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:28 WrapperNode [2020-09-24 18:17:28,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 18:17:28,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 18:17:28,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 18:17:28,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 18:17:28,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:28" (1/1) ... [2020-09-24 18:17:28,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:28" (1/1) ... [2020-09-24 18:17:28,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:28" (1/1) ... [2020-09-24 18:17:28,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:28" (1/1) ... [2020-09-24 18:17:28,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:28" (1/1) ... [2020-09-24 18:17:28,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:28" (1/1) ... [2020-09-24 18:17:28,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:28" (1/1) ... [2020-09-24 18:17:28,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 18:17:28,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 18:17:28,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 18:17:28,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 18:17:28,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:28" (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 [2020-09-24 18:17:28,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 18:17:28,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 18:17:28,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-24 18:17:28,267 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 18:17:28,268 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 18:17:28,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-09-24 18:17:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-09-24 18:17:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-09-24 18:17:28,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-09-24 18:17:28,271 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 18:17:28,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 18:17:28,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 18:17:28,271 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-24 18:17:28,272 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 18:17:28,272 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 18:17:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 18:17:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 18:17:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 18:17:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-09-24 18:17:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 18:17:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-09-24 18:17:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-09-24 18:17:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-09-24 18:17:28,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 18:17:28,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 18:17:28,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 18:17:28,278 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 18:17:28,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 18:17:28,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 18:17:28,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 18:17:28,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 18:17:28,686 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 18:17:28,687 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 18:17:28,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:17:28 BoogieIcfgContainer [2020-09-24 18:17:28,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 18:17:28,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 18:17:28,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 18:17:28,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 18:17:28,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 06:17:27" (1/3) ... [2020-09-24 18:17:28,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc622c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:17:28, skipping insertion in model container [2020-09-24 18:17:28,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:28" (2/3) ... [2020-09-24 18:17:28,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc622c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:17:28, skipping insertion in model container [2020-09-24 18:17:28,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:17:28" (3/3) ... [2020-09-24 18:17:28,702 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2020-09-24 18:17:28,713 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 18:17:28,724 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 18:17:28,746 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 18:17:28,776 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 18:17:28,776 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 18:17:28,776 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 18:17:28,776 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 18:17:28,776 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 18:17:28,777 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 18:17:28,777 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 18:17:28,777 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 18:17:28,800 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2020-09-24 18:17:28,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-24 18:17:28,808 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:17:28,809 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] [2020-09-24 18:17:28,809 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:17:28,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:17:28,816 INFO L82 PathProgramCache]: Analyzing trace with hash 991863416, now seen corresponding path program 1 times [2020-09-24 18:17:28,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:17:28,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1072273638] [2020-09-24 18:17:28,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:17:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:29,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:29,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:29,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:29,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 18:17:29,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:17:29,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 944 [2020-09-24 18:17:29,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:29,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 18:17:29,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 18:17:29,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 18:17:29,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 18:17:30,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:17:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:30,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:30,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:30,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:17:30,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:30,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 18:17:30,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:30,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:30,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:30,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:30,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:30,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 18:17:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:30,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:30,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:30,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 18:17:30,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:30,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-24 18:17:30,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:30,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 18:17:30,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 18:17:30,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 18:17:30,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:30,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:17:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:30,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:30,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:30,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 18:17:30,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:30,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-24 18:17:30,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:30,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 18:17:30,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:30,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 18:17:30,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:30,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:17:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:30,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:30,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:30,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:17:30,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:30,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 18:17:30,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:17:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:30,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 18:17:30,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:30,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:17:30,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1072273638] [2020-09-24 18:17:30,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:17:30,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 18:17:30,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269469097] [2020-09-24 18:17:30,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 18:17:30,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:17:30,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 18:17:30,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 18:17:30,453 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 10 states. [2020-09-24 18:17:31,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:17:31,041 INFO L93 Difference]: Finished difference Result 119 states and 132 transitions. [2020-09-24 18:17:31,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 18:17:31,044 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2020-09-24 18:17:31,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:17:31,059 INFO L225 Difference]: With dead ends: 119 [2020-09-24 18:17:31,059 INFO L226 Difference]: Without dead ends: 98 [2020-09-24 18:17:31,064 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 [2020-09-24 18:17:31,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-09-24 18:17:31,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2020-09-24 18:17:31,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-09-24 18:17:31,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 103 transitions. [2020-09-24 18:17:31,134 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 103 transitions. Word has length 38 [2020-09-24 18:17:31,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:17:31,135 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 103 transitions. [2020-09-24 18:17:31,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 18:17:31,135 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 103 transitions. [2020-09-24 18:17:31,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 18:17:31,138 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:17:31,139 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] [2020-09-24 18:17:31,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 18:17:31,139 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:17:31,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:17:31,140 INFO L82 PathProgramCache]: Analyzing trace with hash -630533651, now seen corresponding path program 1 times [2020-09-24 18:17:31,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:17:31,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2133580555] [2020-09-24 18:17:31,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:17:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:31,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:31,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:32,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:32,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 18:17:32,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:17:32,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 890 [2020-09-24 18:17:32,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:32,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 18:17:32,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-24 18:17:32,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 18:17:32,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:32,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:17:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:32,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:32,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:32,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:17:32,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:32,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 18:17:32,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:32,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:32,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:32,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:32,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:32,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 18:17:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:32,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:32,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:32,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 18:17:32,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:32,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-09-24 18:17:32,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:32,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 18:17:32,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 18:17:32,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 18:17:32,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:32,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:17:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:32,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:32,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:32,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 18:17:32,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:32,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 18:17:32,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:32,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:32,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:32,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:32,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:32,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:17:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:32,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:32,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:32,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:17:32,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:32,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:17:32,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:32,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:32,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:32,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:32,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:32,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 18:17:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:32,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:32,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:32,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 18:17:32,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:32,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-24 18:17:32,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:32,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 18:17:32,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:32,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 18:17:32,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:32,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:17:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:32,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:32,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:32,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:17:32,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:32,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 18:17:32,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:32,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:17:32,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:32,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 18:17:32,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:32,648 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 18:17:32,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2133580555] [2020-09-24 18:17:32,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:17:32,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 18:17:32,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106951038] [2020-09-24 18:17:32,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 18:17:32,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:17:32,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 18:17:32,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 18:17:32,692 INFO L87 Difference]: Start difference. First operand 96 states and 103 transitions. Second operand 10 states. [2020-09-24 18:17:33,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:17:33,529 INFO L93 Difference]: Finished difference Result 118 states and 124 transitions. [2020-09-24 18:17:33,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 18:17:33,530 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-09-24 18:17:33,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:17:33,533 INFO L225 Difference]: With dead ends: 118 [2020-09-24 18:17:33,533 INFO L226 Difference]: Without dead ends: 107 [2020-09-24 18:17:33,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2020-09-24 18:17:33,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-09-24 18:17:33,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2020-09-24 18:17:33,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-09-24 18:17:33,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 110 transitions. [2020-09-24 18:17:33,550 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 110 transitions. Word has length 53 [2020-09-24 18:17:33,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:17:33,551 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 110 transitions. [2020-09-24 18:17:33,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 18:17:33,551 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 110 transitions. [2020-09-24 18:17:33,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-09-24 18:17:33,555 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:17:33,555 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] [2020-09-24 18:17:33,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 18:17:33,555 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:17:33,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:17:33,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1439695258, now seen corresponding path program 1 times [2020-09-24 18:17:33,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:17:33,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1578225671] [2020-09-24 18:17:33,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:17:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:33,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:33,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:33,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:36,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:38,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:38,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-24 18:17:38,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 18:17:38,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-24 18:17:38,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:38,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 18:17:38,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-09-24 18:17:38,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 18:17:38,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:38,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:17:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:38,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:38,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:38,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:17:38,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:38,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 18:17:38,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:38,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:38,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:38,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:38,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:38,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 18:17:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:38,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:38,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:38,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:41,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:41,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-24 18:17:41,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 18:17:41,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2765 [2020-09-24 18:17:41,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:41,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 18:17:41,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-24 18:17:41,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 18:17:41,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:41,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:17:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:41,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:41,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:41,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 18:17:41,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:41,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 18:17:41,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:41,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:41,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:41,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:41,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:41,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:17:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:41,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:41,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:41,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:17:41,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:41,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:17:41,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:41,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:41,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 18:17:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:41,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:41,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:41,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 18:17:41,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:41,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 18:17:41,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:41,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:41,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:41,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:41,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:41,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:17:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:41,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:41,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:41,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:17:41,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:41,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:17:41,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:41,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:41,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:41,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:41,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:41,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 18:17:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:41,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:41,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:41,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 18:17:41,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:41,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 18:17:41,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:41,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:17:41,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:41,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 18:17:41,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:41,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:17:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:41,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:41,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:41,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 18:17:41,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:41,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 18:17:41,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:41,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:41,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:41,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:41,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:17:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:41,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:41,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:41,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:17:41,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:41,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:17:41,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:41,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:41,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:41,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:41,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:41,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-24 18:17:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:41,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:41,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:41,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:17:41,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:41,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 18:17:41,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:41,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 18:17:41,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 18:17:41,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 18:17:41,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:41,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-09-24 18:17:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:41,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:41,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:41,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:17:41,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:41,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:17:41,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:41,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:41,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 18:17:41,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:41,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:41,775 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-09-24 18:17:41,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1578225671] [2020-09-24 18:17:41,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 18:17:41,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 18:17:41,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931915471] [2020-09-24 18:17:41,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 18:17:41,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:17:41,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 18:17:41,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-24 18:17:41,778 INFO L87 Difference]: Start difference. First operand 105 states and 110 transitions. Second operand 10 states. [2020-09-24 18:17:42,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:17:42,521 INFO L93 Difference]: Finished difference Result 126 states and 132 transitions. [2020-09-24 18:17:42,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 18:17:42,522 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-09-24 18:17:42,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:17:42,526 INFO L225 Difference]: With dead ends: 126 [2020-09-24 18:17:42,526 INFO L226 Difference]: Without dead ends: 107 [2020-09-24 18:17:42,527 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2020-09-24 18:17:42,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-09-24 18:17:42,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-09-24 18:17:42,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-09-24 18:17:42,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 112 transitions. [2020-09-24 18:17:42,552 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 112 transitions. Word has length 89 [2020-09-24 18:17:42,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:17:42,554 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 112 transitions. [2020-09-24 18:17:42,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 18:17:42,554 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 112 transitions. [2020-09-24 18:17:42,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-09-24 18:17:42,559 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:17:42,559 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:17:42,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 18:17:42,560 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:17:42,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:17:42,560 INFO L82 PathProgramCache]: Analyzing trace with hash -935744761, now seen corresponding path program 1 times [2020-09-24 18:17:42,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:17:42,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1003143974] [2020-09-24 18:17:42,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:17:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:42,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:42,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:43,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:43,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-09-24 18:17:43,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:17:43,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1070 [2020-09-24 18:17:43,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:43,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 18:17:43,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-09-24 18:17:43,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 18:17:43,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:43,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:17:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:43,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:43,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:43,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:17:43,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:43,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 18:17:43,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:43,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:43,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:43,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:43,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:43,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 18:17:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:43,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:43,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:45,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:45,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-24 18:17:45,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:17:45,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1355 [2020-09-24 18:17:45,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:45,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 18:17:45,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:45,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-24 18:17:45,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:45,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:17:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:45,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:45,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:45,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 18:17:45,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:45,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 18:17:45,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:45,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:45,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:45,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:45,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:45,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:17:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:45,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:45,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:45,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:17:45,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:45,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:17:45,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:45,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:45,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:45,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:45,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:45,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 18:17:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:45,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:45,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:45,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 18:17:45,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:45,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 18:17:45,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:45,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:45,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:45,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:45,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:45,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:17:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:45,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:45,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:45,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:17:45,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:45,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:17:45,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:45,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:45,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 18:17:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:45,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:45,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:45,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 18:17:45,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:45,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 18:17:45,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:45,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:45,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:45,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:45,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:45,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:17:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:45,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:45,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:45,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 18:17:45,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:45,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 18:17:45,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:45,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:45,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:45,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:45,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:45,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:17:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:45,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:45,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:45,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:17:45,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:45,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:17:45,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:45,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:45,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:45,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:45,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:45,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-24 18:17:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:45,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:45,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:45,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:17:45,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:45,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 18:17:45,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:45,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:45,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:45,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:45,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:45,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-24 18:17:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:45,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:45,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:45,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:17:45,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:45,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 18:17:45,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:45,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 18:17:45,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 18:17:45,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 18:17:45,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:45,368 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-09-24 18:17:45,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1003143974] [2020-09-24 18:17:45,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:17:45,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 18:17:45,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811190358] [2020-09-24 18:17:45,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 18:17:45,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:17:45,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 18:17:45,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-24 18:17:45,371 INFO L87 Difference]: Start difference. First operand 107 states and 112 transitions. Second operand 8 states. [2020-09-24 18:17:45,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:17:45,853 INFO L93 Difference]: Finished difference Result 125 states and 131 transitions. [2020-09-24 18:17:45,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 18:17:45,854 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2020-09-24 18:17:45,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:17:45,856 INFO L225 Difference]: With dead ends: 125 [2020-09-24 18:17:45,856 INFO L226 Difference]: Without dead ends: 101 [2020-09-24 18:17:45,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-09-24 18:17:45,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-09-24 18:17:45,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-09-24 18:17:45,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-09-24 18:17:45,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 103 transitions. [2020-09-24 18:17:45,870 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 103 transitions. Word has length 90 [2020-09-24 18:17:45,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:17:45,871 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 103 transitions. [2020-09-24 18:17:45,871 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 18:17:45,871 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 103 transitions. [2020-09-24 18:17:45,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-09-24 18:17:45,874 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:17:45,874 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] [2020-09-24 18:17:45,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 18:17:45,874 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:17:45,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:17:45,875 INFO L82 PathProgramCache]: Analyzing trace with hash 581149382, now seen corresponding path program 1 times [2020-09-24 18:17:45,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:17:45,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [535551137] [2020-09-24 18:17:45,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:17:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:45,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:46,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:46,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:48,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:48,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-09-24 18:17:48,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 18:17:48,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2603 [2020-09-24 18:17:48,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:48,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:17:48,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-09-24 18:17:48,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 18:17:48,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:48,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:17:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:48,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:48,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:48,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:17:48,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:48,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 18:17:48,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:48,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:48,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:48,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:48,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:48,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 18:17:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:48,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:48,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:48,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:49,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:49,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-24 18:17:49,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 18:17:49,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1256 [2020-09-24 18:17:49,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:49,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:17:49,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:49,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 18:17:49,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:49,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:17:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:49,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:49,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:49,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 18:17:49,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:49,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 18:17:49,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:49,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:49,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:49,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:49,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:49,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:17:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:49,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:49,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:49,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:17:49,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:49,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:17:49,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:49,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:49,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:49,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:49,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:49,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 18:17:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:49,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:49,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:49,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 18:17:49,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:49,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 18:17:49,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:49,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:49,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:49,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:49,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:49,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:17:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:49,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:49,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:49,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:17:49,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:49,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:17:49,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:49,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:49,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:49,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:49,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:49,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 18:17:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:49,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:50,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:50,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 18:17:50,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:50,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 18:17:50,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:50,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:50,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:50,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:50,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:50,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:17:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:50,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:50,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:50,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 18:17:50,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:50,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 18:17:50,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:50,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:50,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:50,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:50,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:50,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:17:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:50,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:50,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:50,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:17:50,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:50,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:17:50,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:50,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:50,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:50,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:50,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:50,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-24 18:17:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:50,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:50,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:50,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:17:50,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:50,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 18:17:50,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:50,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:17:50,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 18:17:50,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:50,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-24 18:17:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:50,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:50,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:50,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:17:50,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:50,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 18:17:50,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:17:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 18:17:50,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:50,083 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-09-24 18:17:50,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [535551137] [2020-09-24 18:17:50,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:17:50,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 18:17:50,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462446765] [2020-09-24 18:17:50,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 18:17:50,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:17:50,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 18:17:50,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-24 18:17:50,087 INFO L87 Difference]: Start difference. First operand 101 states and 103 transitions. Second operand 8 states. [2020-09-24 18:17:50,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:17:50,386 INFO L93 Difference]: Finished difference Result 101 states and 103 transitions. [2020-09-24 18:17:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 18:17:50,387 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-09-24 18:17:50,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:17:50,387 INFO L225 Difference]: With dead ends: 101 [2020-09-24 18:17:50,388 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 18:17:50,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-09-24 18:17:50,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 18:17:50,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 18:17:50,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 18:17:50,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 18:17:50,390 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-09-24 18:17:50,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:17:50,390 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 18:17:50,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 18:17:50,391 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 18:17:50,391 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 18:17:50,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 18:17:50,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 18:17:51,371 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numEXIT(lines 54 56) no Hoare annotation was computed. [2020-09-24 18:17:51,372 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-24 18:17:51,372 INFO L268 CegarLoopResult]: For program point L55-1(line 55) no Hoare annotation was computed. [2020-09-24 18:17:51,373 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)) [2020-09-24 18:17:51,373 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numFINAL(lines 54 56) no Hoare annotation was computed. [2020-09-24 18:17:51,373 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-24 18:17:51,373 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-24 18:17:51,374 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 18:17:51,374 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|)) [2020-09-24 18:17:51,374 INFO L268 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-09-24 18:17:51,374 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-24 18:17:51,374 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-24 18:17:51,374 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 18:17:51,374 INFO L268 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-09-24 18:17:51,375 INFO L268 CegarLoopResult]: For program point kfreeEXIT(lines 48 51) no Hoare annotation was computed. [2020-09-24 18:17:51,375 INFO L268 CegarLoopResult]: For program point L49-2(lines 48 51) no Hoare annotation was computed. [2020-09-24 18:17:51,375 INFO L264 CegarLoopResult]: At program point kfreeENTRY(lines 48 51) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= ~tmp_slot~0.base 0)) [2020-09-24 18:17:51,375 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-24 18:17:51,375 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-24 18:17:51,375 INFO L268 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-09-24 18:17:51,376 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 .cse0 (= ~freed_tmp_slot~0 0)) (or (= ~tmp_slot~0.base 0) .cse0))) [2020-09-24 18:17:51,377 INFO L268 CegarLoopResult]: For program point L46-3(line 46) no Hoare annotation was computed. [2020-09-24 18:17:51,377 INFO L268 CegarLoopResult]: For program point kzallocEXIT(line 46) no Hoare annotation was computed. [2020-09-24 18:17:51,377 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 (= ~tmp_slot~0.base 0)) (or .cse0 (= ~freed_tmp_slot~0 0)))) [2020-09-24 18:17:51,377 INFO L268 CegarLoopResult]: For program point kzallocFINAL(line 46) no Hoare annotation was computed. [2020-09-24 18:17:51,378 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-09-24 18:17:51,378 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-09-24 18:17:51,379 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-09-24 18:17:51,379 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-09-24 18:17:51,379 INFO L271 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 65 68) the Hoare annotation is: true [2020-09-24 18:17:51,379 INFO L268 CegarLoopResult]: For program point L67-2(line 67) no Hoare annotation was computed. [2020-09-24 18:17:51,379 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoFINAL(lines 65 68) no Hoare annotation was computed. [2020-09-24 18:17:51,379 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoEXIT(lines 65 68) no Hoare annotation was computed. [2020-09-24 18:17:51,379 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-24 18:17:51,380 INFO L268 CegarLoopResult]: For program point L67-1(line 67) no Hoare annotation was computed. [2020-09-24 18:17:51,380 INFO L268 CegarLoopResult]: For program point L97(lines 97 105) no Hoare annotation was computed. [2020-09-24 18:17:51,380 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerEXIT(lines 70 131) no Hoare annotation was computed. [2020-09-24 18:17:51,380 INFO L264 CegarLoopResult]: At program point L126(lines 70 131) the Hoare annotation is: (let ((.cse0 (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0))) (.cse1 (not (= ~tmp_slot~0.base 0)))) (or (= |old(~freed_tmp_slot~0)| 0) (and .cse0 .cse1 (not (= ~freed_tmp_slot~0 0))) (and .cse0 .cse1 (<= 1 ~used_tmp_slot~0)))) [2020-09-24 18:17:51,380 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-24 18:17:51,380 INFO L268 CegarLoopResult]: For program point L93-1(line 93) no Hoare annotation was computed. [2020-09-24 18:17:51,380 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-09-24 18:17:51,381 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| 0) (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0))) [2020-09-24 18:17:51,381 INFO L268 CegarLoopResult]: For program point L85(lines 85 88) no Hoare annotation was computed. [2020-09-24 18:17:51,381 INFO L268 CegarLoopResult]: For program point L118-1(line 118) no Hoare annotation was computed. [2020-09-24 18:17:51,381 INFO L268 CegarLoopResult]: For program point L118-2(line 118) no Hoare annotation was computed. [2020-09-24 18:17:51,381 INFO L268 CegarLoopResult]: For program point L118-3(line 118) no Hoare annotation was computed. [2020-09-24 18:17:51,381 INFO L264 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| 0) (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0))) [2020-09-24 18:17:51,381 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-24 18:17:51,381 INFO L268 CegarLoopResult]: For program point L114-1(line 114) no Hoare annotation was computed. [2020-09-24 18:17:51,382 INFO L264 CegarLoopResult]: At program point L81-1(line 81) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| 0) (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0))) [2020-09-24 18:17:51,382 INFO L268 CegarLoopResult]: For program point L114-2(line 114) no Hoare annotation was computed. [2020-09-24 18:17:51,382 INFO L268 CegarLoopResult]: For program point L114-3(line 114) no Hoare annotation was computed. [2020-09-24 18:17:51,382 INFO L268 CegarLoopResult]: For program point L77(lines 77 80) no Hoare annotation was computed. [2020-09-24 18:17:51,382 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-24 18:17:51,382 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-24 18:17:51,382 INFO L268 CegarLoopResult]: For program point L106-1(line 106) no Hoare annotation was computed. [2020-09-24 18:17:51,382 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-09-24 18:17:51,383 INFO L264 CegarLoopResult]: At program point L94(line 94) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| 0) (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)))) [2020-09-24 18:17:51,383 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-24 18:17:51,383 INFO L268 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2020-09-24 18:17:51,383 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-24 18:17:51,383 INFO L268 CegarLoopResult]: For program point L115(lines 115 116) no Hoare annotation was computed. [2020-09-24 18:17:51,383 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-09-24 18:17:51,383 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-24 18:17:51,384 INFO L268 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-09-24 18:17:51,384 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-24 18:17:51,384 INFO L264 CegarLoopResult]: At program point L120(lines 70 131) the Hoare annotation is: (let ((.cse0 (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0))) (.cse1 (not (= ~tmp_slot~0.base 0)))) (or (= |old(~freed_tmp_slot~0)| 0) (and .cse0 .cse1 (not (= ~freed_tmp_slot~0 0))) (and .cse0 .cse1 (<= 1 ~used_tmp_slot~0)))) [2020-09-24 18:17:51,384 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-24 18:17:51,384 INFO L268 CegarLoopResult]: For program point L83-1(line 83) no Hoare annotation was computed. [2020-09-24 18:17:51,385 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-09-24 18:17:51,385 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-09-24 18:17:51,385 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|)) (= |old(~freed_tmp_slot~0)| 0)) [2020-09-24 18:17:51,385 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0))) (.cse1 (not (= ~tmp_slot~0.base 0)))) (or (= |old(~freed_tmp_slot~0)| 0) (and .cse0 .cse1 (not (= ~freed_tmp_slot~0 0))) (and .cse0 .cse1 (<= 1 ~used_tmp_slot~0)))) [2020-09-24 18:17:51,385 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerFINAL(lines 70 131) no Hoare annotation was computed. [2020-09-24 18:17:51,385 INFO L268 CegarLoopResult]: For program point L125-1(line 125) no Hoare annotation was computed. [2020-09-24 18:17:51,386 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-24 18:17:51,386 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|)) (= |old(~freed_tmp_slot~0)| 0)) [2020-09-24 18:17:51,386 INFO L268 CegarLoopResult]: For program point L109-1(line 109) no Hoare annotation was computed. [2020-09-24 18:17:51,386 INFO L268 CegarLoopResult]: For program point L76-1(line 76) no Hoare annotation was computed. [2020-09-24 18:17:51,386 INFO L268 CegarLoopResult]: For program point L76-2(line 76) no Hoare annotation was computed. [2020-09-24 18:17:51,386 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| 0) (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)))) [2020-09-24 18:17:51,386 INFO L268 CegarLoopResult]: For program point L101-1(line 101) no Hoare annotation was computed. [2020-09-24 18:17:51,387 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 18:17:51,387 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (not (= ~freed_tmp_slot~0 0)) [2020-09-24 18:17:51,387 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 18:17:51,387 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 18:17:51,387 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|)) (= |old(~freed_tmp_slot~0)| 0)) [2020-09-24 18:17:51,388 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 133 137) no Hoare annotation was computed. [2020-09-24 18:17:51,388 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-24 18:17:51,388 INFO L268 CegarLoopResult]: For program point L135(lines 135 136) no Hoare annotation was computed. [2020-09-24 18:17:51,388 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-09-24 18:17:51,389 INFO L264 CegarLoopResult]: At program point L136-2(line 136) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| 0) [2020-09-24 18:17:51,389 INFO L268 CegarLoopResult]: For program point L135-1(lines 133 137) no Hoare annotation was computed. [2020-09-24 18:17:51,389 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-09-24 18:17:51,389 INFO L271 CegarLoopResult]: At program point fillslotinfoENTRY(lines 60 63) the Hoare annotation is: true [2020-09-24 18:17:51,389 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-09-24 18:17:51,389 INFO L268 CegarLoopResult]: For program point L62-1(line 62) no Hoare annotation was computed. [2020-09-24 18:17:51,389 INFO L268 CegarLoopResult]: For program point L62-2(line 62) no Hoare annotation was computed. [2020-09-24 18:17:51,389 INFO L268 CegarLoopResult]: For program point fillslotinfoEXIT(lines 60 63) no Hoare annotation was computed. [2020-09-24 18:17:51,391 INFO L268 CegarLoopResult]: For program point fillslotinfoFINAL(lines 60 63) no Hoare annotation was computed. [2020-09-24 18:17:51,391 INFO L264 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (let ((.cse0 (= |#memory_int| |old(#memory_int)|))) (and (or .cse0 (= ~freed_tmp_slot~0 0)) (or .cse0 (= ~tmp_slot~0.base 0)))) [2020-09-24 18:17:51,391 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-09-24 18:17:51,391 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-09-24 18:17:51,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 06:17:51 BoogieIcfgContainer [2020-09-24 18:17:51,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 18:17:51,434 INFO L168 Benchmark]: Toolchain (without parser) took 23768.35 ms. Allocated memory was 145.8 MB in the beginning and 399.5 MB in the end (delta: 253.8 MB). Free memory was 100.4 MB in the beginning and 112.0 MB in the end (delta: -11.6 MB). Peak memory consumption was 242.1 MB. Max. memory is 7.1 GB. [2020-09-24 18:17:51,437 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 145.8 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 18:17:51,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.51 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 99.7 MB in the beginning and 180.6 MB in the end (delta: -80.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2020-09-24 18:17:51,445 INFO L168 Benchmark]: Boogie Preprocessor took 48.75 ms. Allocated memory is still 202.4 MB. Free memory was 180.6 MB in the beginning and 178.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-09-24 18:17:51,446 INFO L168 Benchmark]: RCFGBuilder took 506.28 ms. Allocated memory is still 202.4 MB. Free memory was 178.2 MB in the beginning and 151.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2020-09-24 18:17:51,447 INFO L168 Benchmark]: TraceAbstraction took 22733.97 ms. Allocated memory was 202.4 MB in the beginning and 399.5 MB in the end (delta: 197.1 MB). Free memory was 150.7 MB in the beginning and 112.0 MB in the end (delta: 38.7 MB). Peak memory consumption was 235.9 MB. Max. memory is 7.1 GB. [2020-09-24 18:17:51,457 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 145.8 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 469.51 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 99.7 MB in the beginning and 180.6 MB in the end (delta: -80.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.75 ms. Allocated memory is still 202.4 MB. Free memory was 180.6 MB in the beginning and 178.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 506.28 ms. Allocated memory is still 202.4 MB. Free memory was 178.2 MB in the beginning and 151.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22733.97 ms. Allocated memory was 202.4 MB in the beginning and 399.5 MB in the end (delta: 197.1 MB). Free memory was 150.7 MB in the beginning and 112.0 MB in the end (delta: 38.7 MB). Peak memory consumption was 235.9 MB. Max. memory is 7.1 GB. * 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 Derived loop invariant: (\old(freed_tmp_slot) == 0 || ((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && !(freed_tmp_slot == 0))) || ((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && 1 <= used_tmp_slot) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (\old(freed_tmp_slot) == 0 || ((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && !(freed_tmp_slot == 0))) || ((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && 1 <= used_tmp_slot) - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.6s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 449 SDtfs, 644 SDslu, 1045 SDs, 0 SdLazy, 1224 SolverSat, 249 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 88 SyntacticMatches, 2 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=3, 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, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 35 PreInvPairs, 41 NumberOfFragments, 376 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 23 FomulaSimplificationsInter, 974 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 17.9s InterpolantComputationTime, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 86609 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 105/108 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...