/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 23:29:10,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 23:29:10,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 23:29:10,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 23:29:10,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 23:29:10,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 23:29:10,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 23:29:10,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 23:29:10,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 23:29:10,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 23:29:10,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 23:29:10,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 23:29:10,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 23:29:10,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 23:29:10,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 23:29:10,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 23:29:10,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 23:29:10,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 23:29:10,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 23:29:10,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 23:29:10,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 23:29:10,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 23:29:10,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 23:29:10,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 23:29:10,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 23:29:10,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 23:29:10,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 23:29:10,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 23:29:10,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 23:29:10,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 23:29:10,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 23:29:10,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 23:29:10,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 23:29:10,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 23:29:10,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 23:29:10,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 23:29:10,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 23:29:10,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 23:29:10,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 23:29:10,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 23:29:10,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 23:29:10,530 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 [2020-10-14 23:29:10,583 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 23:29:10,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 23:29:10,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 23:29:10,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 23:29:10,585 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 23:29:10,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 23:29:10,588 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 23:29:10,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 23:29:10,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 23:29:10,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 23:29:10,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 23:29:10,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 23:29:10,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 23:29:10,589 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 23:29:10,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 23:29:10,590 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 23:29:10,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 23:29:10,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 23:29:10,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 23:29:10,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 23:29:10,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 23:29:10,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 23:29:10,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 23:29:10,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 23:29:10,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 23:29:10,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 23:29:10,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 23:29:10,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 23:29:10,593 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 23:29:10,593 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 23:29:10,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 23:29:10,974 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 23:29:10,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 23:29:10,980 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 23:29:10,980 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 23:29:10,981 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-10-14 23:29:11,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e83882f9b/027a0db96d834ff5a7689d3d92c4d754/FLAG77a3b6a99 [2020-10-14 23:29:11,494 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 23:29:11,495 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-10-14 23:29:11,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e83882f9b/027a0db96d834ff5a7689d3d92c4d754/FLAG77a3b6a99 [2020-10-14 23:29:11,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e83882f9b/027a0db96d834ff5a7689d3d92c4d754 [2020-10-14 23:29:11,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 23:29:11,863 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 23:29:11,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 23:29:11,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 23:29:11,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 23:29:11,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:29:11" (1/1) ... [2020-10-14 23:29:11,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:11, skipping insertion in model container [2020-10-14 23:29:11,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:29:11" (1/1) ... [2020-10-14 23:29:11,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 23:29:11,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 23:29:12,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:29:12,196 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 23:29:12,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:29:12,352 INFO L208 MainTranslator]: Completed translation [2020-10-14 23:29:12,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:12 WrapperNode [2020-10-14 23:29:12,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 23:29:12,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 23:29:12,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 23:29:12,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 23:29:12,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:12" (1/1) ... [2020-10-14 23:29:12,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:12" (1/1) ... [2020-10-14 23:29:12,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:12" (1/1) ... [2020-10-14 23:29:12,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:12" (1/1) ... [2020-10-14 23:29:12,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:12" (1/1) ... [2020-10-14 23:29:12,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:12" (1/1) ... [2020-10-14 23:29:12,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:12" (1/1) ... [2020-10-14 23:29:12,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 23:29:12,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 23:29:12,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 23:29:12,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 23:29:12,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 23:29:12,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 23:29:12,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 23:29:12,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-10-14 23:29:12,482 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 23:29:12,482 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 23:29:12,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-10-14 23:29:12,484 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-10-14 23:29:12,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-10-14 23:29:12,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-10-14 23:29:12,485 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 23:29:12,485 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-14 23:29:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 23:29:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-10-14 23:29:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 23:29:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 23:29:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 23:29:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-14 23:29:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 23:29:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-10-14 23:29:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 23:29:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-10-14 23:29:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-10-14 23:29:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-10-14 23:29:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 23:29:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 23:29:12,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 23:29:12,493 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 23:29:12,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 23:29:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 23:29:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 23:29:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 23:29:12,936 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 23:29:12,937 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 23:29:12,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:29:12 BoogieIcfgContainer [2020-10-14 23:29:12,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 23:29:12,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 23:29:12,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 23:29:12,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 23:29:12,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:29:11" (1/3) ... [2020-10-14 23:29:12,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a374b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:29:12, skipping insertion in model container [2020-10-14 23:29:12,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:12" (2/3) ... [2020-10-14 23:29:12,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a374b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:29:12, skipping insertion in model container [2020-10-14 23:29:12,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:29:12" (3/3) ... [2020-10-14 23:29:12,951 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.i [2020-10-14 23:29:12,961 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 23:29:12,969 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 23:29:12,984 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 23:29:13,005 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 23:29:13,005 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 23:29:13,006 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 23:29:13,006 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 23:29:13,006 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 23:29:13,006 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 23:29:13,006 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 23:29:13,007 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 23:29:13,025 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-10-14 23:29:13,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-14 23:29:13,032 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:29:13,033 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] [2020-10-14 23:29:13,033 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:29:13,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:29:13,040 INFO L82 PathProgramCache]: Analyzing trace with hash -2144903796, now seen corresponding path program 1 times [2020-10-14 23:29:13,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:29:13,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1468554341] [2020-10-14 23:29:13,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:29:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:13,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:13,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:14,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:14,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 23:29:14,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:29:14,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1011 [2020-10-14 23:29:14,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:14,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:14,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:29:14,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 23:29:14,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 23:29:14,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 23:29:14,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:29:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:14,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:14,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:14,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:29:14,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:14,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:29:14,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:14,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:14,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:29:14,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:14,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 23:29:14,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:14,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 23:29:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:14,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:14,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:14,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:14,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 23:29:14,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:29:14,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-14 23:29:14,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:14,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:14,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:29:14,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:29:14,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 23:29:14,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:14,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:29:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:14,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:14,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:14,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:29:14,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:14,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 23:29:14,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:14,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:14,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:29:14,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:14,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 23:29:14,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:14,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:29:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:14,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:14,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:14,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:29:14,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:14,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:29:14,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:14,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:29:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:14,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:29:14,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:14,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 23:29:14,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1468554341] [2020-10-14 23:29:14,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:29:14,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 23:29:14,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495472672] [2020-10-14 23:29:14,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 23:29:14,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:29:14,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 23:29:14,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-14 23:29:14,626 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 8 states. [2020-10-14 23:29:15,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:29:15,154 INFO L93 Difference]: Finished difference Result 98 states and 109 transitions. [2020-10-14 23:29:15,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 23:29:15,156 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2020-10-14 23:29:15,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:29:15,167 INFO L225 Difference]: With dead ends: 98 [2020-10-14 23:29:15,167 INFO L226 Difference]: Without dead ends: 64 [2020-10-14 23:29:15,172 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-10-14 23:29:15,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-14 23:29:15,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-14 23:29:15,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-14 23:29:15,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 67 transitions. [2020-10-14 23:29:15,227 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 67 transitions. Word has length 26 [2020-10-14 23:29:15,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:29:15,229 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 67 transitions. [2020-10-14 23:29:15,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 23:29:15,229 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2020-10-14 23:29:15,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-14 23:29:15,232 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:29:15,232 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 23:29:15,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 23:29:15,233 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:29:15,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:29:15,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1115046403, now seen corresponding path program 1 times [2020-10-14 23:29:15,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:29:15,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [787751544] [2020-10-14 23:29:15,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:29:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:15,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:15,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:15,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 23:29:15,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:15,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-10-14 23:29:15,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:15,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:15,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:29:15,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-14 23:29:15,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 23:29:15,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:15,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:29:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:15,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:15,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:15,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:29:15,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:15,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:29:15,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:15,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:15,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:29:15,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:15,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:29:15,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:15,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 23:29:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:15,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:15,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:15,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-14 23:29:15,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:15,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-10-14 23:29:15,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:15,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:15,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:29:15,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-14 23:29:15,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 23:29:15,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:15,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:29:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:15,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:15,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:15,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:29:15,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:15,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:29:15,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:15,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:15,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:29:15,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:15,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:29:15,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 23:29:15,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:29:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:15,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:15,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:15,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:29:15,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:15,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:29:15,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:15,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:15,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:29:15,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:15,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:29:15,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 23:29:15,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 23:29:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:15,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:15,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:15,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:29:15,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:15,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:29:15,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:15,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:15,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:29:15,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:15,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:29:15,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:15,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:29:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:15,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:15,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:15,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:29:15,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:15,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:29:15,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:15,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:15,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:29:15,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:15,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:29:15,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:15,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 23:29:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:15,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:15,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:15,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 23:29:15,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:15,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 23:29:15,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:15,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:15,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:29:15,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:15,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 23:29:15,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:16,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:29:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:16,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:16,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:16,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:29:16,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:16,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 23:29:16,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:16,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:16,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:29:16,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:16,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:29:16,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:16,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:29:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:16,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:16,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:16,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:29:16,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:16,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:29:16,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:16,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:16,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:29:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 23:29:16,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:16,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 23:29:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:16,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:16,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:16,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:29:16,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:16,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:29:16,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:16,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:16,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:29:16,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 23:29:16,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:29:16,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:16,154 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-14 23:29:16,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [787751544] [2020-10-14 23:29:16,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:29:16,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-14 23:29:16,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439686368] [2020-10-14 23:29:16,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 23:29:16,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:29:16,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 23:29:16,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-14 23:29:16,158 INFO L87 Difference]: Start difference. First operand 64 states and 67 transitions. Second operand 13 states. [2020-10-14 23:29:16,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:29:16,682 INFO L93 Difference]: Finished difference Result 80 states and 82 transitions. [2020-10-14 23:29:16,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 23:29:16,683 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 59 [2020-10-14 23:29:16,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:29:16,685 INFO L225 Difference]: With dead ends: 80 [2020-10-14 23:29:16,685 INFO L226 Difference]: Without dead ends: 64 [2020-10-14 23:29:16,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2020-10-14 23:29:16,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-14 23:29:16,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-14 23:29:16,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-14 23:29:16,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 66 transitions. [2020-10-14 23:29:16,701 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 66 transitions. Word has length 59 [2020-10-14 23:29:16,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:29:16,702 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 66 transitions. [2020-10-14 23:29:16,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 23:29:16,702 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2020-10-14 23:29:16,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-14 23:29:16,705 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:29:16,705 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 23:29:16,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 23:29:16,706 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:29:16,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:29:16,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1472800201, now seen corresponding path program 1 times [2020-10-14 23:29:16,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:29:16,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [57066954] [2020-10-14 23:29:16,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:29:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:16,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:16,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:16,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 23:29:16,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:16,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-14 23:29:16,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:16,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:16,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:29:16,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-14 23:29:16,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 23:29:16,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:16,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:29:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:16,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:16,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:16,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:29:16,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:16,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:29:16,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:16,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:16,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:29:16,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:16,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:29:16,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:16,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 23:29:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:16,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:17,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:17,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 23:29:17,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:17,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-14 23:29:17,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:17,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:17,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:29:17,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:17,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 23:29:17,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:17,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:29:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:17,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:17,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:17,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:29:17,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:17,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:29:17,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:17,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:17,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:29:17,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:17,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:29:17,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:17,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:29:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:17,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:17,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:17,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:29:17,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:17,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:29:17,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:17,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:17,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:29:17,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:17,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:29:17,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:17,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 23:29:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:17,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:17,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:17,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:29:17,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:17,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:29:17,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:17,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:17,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:29:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:29:17,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:17,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:29:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:17,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:17,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:17,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:29:17,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:17,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:29:17,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:17,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:17,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:29:17,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:17,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:29:17,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:17,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 23:29:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:17,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:17,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:17,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 23:29:17,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:17,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:29:17,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:17,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:17,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:29:17,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:17,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:29:17,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:17,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:29:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:17,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:17,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:17,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:29:17,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:17,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:29:17,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:17,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:17,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:29:17,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:17,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:29:17,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:17,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:29:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:17,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:17,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:17,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:29:17,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:17,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:29:17,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:17,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:17,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:29:17,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:17,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:29:17,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:17,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 23:29:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:17,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:17,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:17,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:29:17,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:17,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:29:17,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:17,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:17,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:29:17,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:17,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 23:29:17,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:17,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 23:29:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:29:17,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:29:17,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:29:17,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:29:17,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:29:17,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:29:17,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:29:17,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:29:17,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:29:17,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:29:17,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 23:29:17,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:29:17,220 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-14 23:29:17,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [57066954] [2020-10-14 23:29:17,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:29:17,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 23:29:17,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405872667] [2020-10-14 23:29:17,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 23:29:17,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:29:17,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 23:29:17,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 23:29:17,223 INFO L87 Difference]: Start difference. First operand 64 states and 66 transitions. Second operand 7 states. [2020-10-14 23:29:17,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:29:17,507 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2020-10-14 23:29:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 23:29:17,507 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2020-10-14 23:29:17,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:29:17,508 INFO L225 Difference]: With dead ends: 64 [2020-10-14 23:29:17,508 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 23:29:17,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-14 23:29:17,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 23:29:17,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 23:29:17,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 23:29:17,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 23:29:17,510 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-10-14 23:29:17,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:29:17,511 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 23:29:17,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 23:29:17,511 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 23:29:17,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 23:29:17,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 23:29:17,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 23:29:17,946 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numEXIT(lines 54 56) no Hoare annotation was computed. [2020-10-14 23:29:17,946 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 23:29:17,946 INFO L264 CegarLoopResult]: At program point ibmphp_find_same_bus_numENTRY(lines 54 56) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:29:17,946 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numFINAL(lines 54 56) no Hoare annotation was computed. [2020-10-14 23:29:17,947 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 23:29:17,947 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|)) [2020-10-14 23:29:17,947 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 23:29:17,947 INFO L268 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-10-14 23:29:17,947 INFO L268 CegarLoopResult]: For program point kfreeEXIT(lines 48 51) no Hoare annotation was computed. [2020-10-14 23:29:17,947 INFO L268 CegarLoopResult]: For program point L49-2(lines 48 51) no Hoare annotation was computed. [2020-10-14 23:29:17,948 INFO L264 CegarLoopResult]: At program point kfreeENTRY(lines 48 51) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (not (<= 1 ~used_tmp_slot~0))) [2020-10-14 23:29:17,948 INFO L264 CegarLoopResult]: At program point L46(line 46) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (or (<= (+ |kzalloc_#t~malloc0.base| 1) 0) (< 0 |kzalloc_#t~malloc0.base|))) [2020-10-14 23:29:17,948 INFO L268 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-10-14 23:29:17,948 INFO L268 CegarLoopResult]: For program point kzallocEXIT(line 46) no Hoare annotation was computed. [2020-10-14 23:29:17,948 INFO L264 CegarLoopResult]: At program point kzallocENTRY(line 46) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:29:17,948 INFO L268 CegarLoopResult]: For program point kzallocFINAL(line 46) no Hoare annotation was computed. [2020-10-14 23:29:17,949 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-10-14 23:29:17,949 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-10-14 23:29:17,949 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-10-14 23:29:17,949 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-10-14 23:29:17,949 INFO L271 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 65 68) the Hoare annotation is: true [2020-10-14 23:29:17,949 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoFINAL(lines 65 68) no Hoare annotation was computed. [2020-10-14 23:29:17,950 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoEXIT(lines 65 68) no Hoare annotation was computed. [2020-10-14 23:29:17,950 INFO L268 CegarLoopResult]: For program point L97(lines 97 105) no Hoare annotation was computed. [2020-10-14 23:29:17,950 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerEXIT(lines 70 131) no Hoare annotation was computed. [2020-10-14 23:29:17,950 INFO L264 CegarLoopResult]: At program point L126(lines 70 131) the Hoare annotation is: (or (<= 1 ~freed_tmp_slot~0) (<= 1 ~used_tmp_slot~0) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-14 23:29:17,951 INFO L264 CegarLoopResult]: At program point L120(lines 70 131) the Hoare annotation is: (or (<= 1 ~used_tmp_slot~0) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-14 23:29:17,951 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (or (<= 1 ~used_tmp_slot~0) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-14 23:29:17,951 INFO L268 CegarLoopResult]: For program point L85(lines 85 88) no Hoare annotation was computed. [2020-10-14 23:29:17,951 INFO L268 CegarLoopResult]: For program point L118-1(line 118) no Hoare annotation was computed. [2020-10-14 23:29:17,951 INFO L264 CegarLoopResult]: At program point L83(line 83) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-14 23:29:17,951 INFO L268 CegarLoopResult]: For program point L83-1(line 83) no Hoare annotation was computed. [2020-10-14 23:29:17,952 INFO L264 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (or (<= 1 ~used_tmp_slot~0) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-14 23:29:17,952 INFO L268 CegarLoopResult]: For program point L114-1(line 114) no Hoare annotation was computed. [2020-10-14 23:29:17,952 INFO L268 CegarLoopResult]: For program point L77(lines 77 80) no Hoare annotation was computed. [2020-10-14 23:29:17,952 INFO L271 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: true [2020-10-14 23:29:17,952 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-10-14 23:29:17,952 INFO L264 CegarLoopResult]: At program point ebda_rsrc_controllerENTRY(lines 70 131) the Hoare annotation is: (or (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-14 23:29:17,952 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (or (<= 1 ~used_tmp_slot~0) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-14 23:29:17,953 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerFINAL(lines 70 131) no Hoare annotation was computed. [2020-10-14 23:29:17,953 INFO L268 CegarLoopResult]: For program point L125-1(line 125) no Hoare annotation was computed. [2020-10-14 23:29:17,953 INFO L268 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2020-10-14 23:29:17,953 INFO L268 CegarLoopResult]: For program point L115(lines 115 116) no Hoare annotation was computed. [2020-10-14 23:29:17,953 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (or (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-14 23:29:17,953 INFO L268 CegarLoopResult]: For program point L76-1(line 76) no Hoare annotation was computed. [2020-10-14 23:29:17,954 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 23:29:17,954 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= 1 ~freed_tmp_slot~0) [2020-10-14 23:29:17,954 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 23:29:17,954 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 23:29:17,954 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 133 137) the Hoare annotation is: (or (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-14 23:29:17,954 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 133 137) no Hoare annotation was computed. [2020-10-14 23:29:17,955 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 23:29:17,955 INFO L268 CegarLoopResult]: For program point L135(lines 135 136) no Hoare annotation was computed. [2020-10-14 23:29:17,955 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-14 23:29:17,955 INFO L264 CegarLoopResult]: At program point L136-2(line 136) the Hoare annotation is: (not (<= 1 |old(~freed_tmp_slot~0)|)) [2020-10-14 23:29:17,955 INFO L268 CegarLoopResult]: For program point L135-1(lines 133 137) no Hoare annotation was computed. [2020-10-14 23:29:17,955 INFO L271 CegarLoopResult]: At program point fillslotinfoENTRY(lines 60 63) the Hoare annotation is: true [2020-10-14 23:29:17,955 INFO L268 CegarLoopResult]: For program point fillslotinfoEXIT(lines 60 63) no Hoare annotation was computed. [2020-10-14 23:29:17,956 INFO L268 CegarLoopResult]: For program point fillslotinfoFINAL(lines 60 63) no Hoare annotation was computed. [2020-10-14 23:29:17,956 INFO L264 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2020-10-14 23:29:17,956 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-10-14 23:29:17,956 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-10-14 23:29:17,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:29:17 BoogieIcfgContainer [2020-10-14 23:29:17,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 23:29:17,981 INFO L168 Benchmark]: Toolchain (without parser) took 6117.97 ms. Allocated memory was 147.8 MB in the beginning and 282.1 MB in the end (delta: 134.2 MB). Free memory was 103.7 MB in the beginning and 157.7 MB in the end (delta: -54.0 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. [2020-10-14 23:29:17,982 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-14 23:29:17,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.07 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 103.7 MB in the beginning and 182.3 MB in the end (delta: -78.6 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2020-10-14 23:29:17,984 INFO L168 Benchmark]: Boogie Preprocessor took 55.32 ms. Allocated memory is still 205.0 MB. Free memory was 182.3 MB in the beginning and 180.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-14 23:29:17,985 INFO L168 Benchmark]: RCFGBuilder took 532.12 ms. Allocated memory is still 205.0 MB. Free memory was 180.4 MB in the beginning and 157.2 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-10-14 23:29:17,986 INFO L168 Benchmark]: TraceAbstraction took 5035.00 ms. Allocated memory was 205.0 MB in the beginning and 282.1 MB in the end (delta: 77.1 MB). Free memory was 156.3 MB in the beginning and 157.7 MB in the end (delta: -1.4 MB). Peak memory consumption was 75.6 MB. Max. memory is 7.1 GB. [2020-10-14 23:29:17,991 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 490.07 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 103.7 MB in the beginning and 182.3 MB in the end (delta: -78.6 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.32 ms. Allocated memory is still 205.0 MB. Free memory was 182.3 MB in the beginning and 180.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 532.12 ms. Allocated memory is still 205.0 MB. Free memory was 180.4 MB in the beginning and 157.2 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5035.00 ms. Allocated memory was 205.0 MB in the beginning and 282.1 MB in the end (delta: 77.1 MB). Free memory was 156.3 MB in the beginning and 157.7 MB in the end (delta: -1.4 MB). Peak memory consumption was 75.6 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: 1 <= used_tmp_slot || !(1 <= \old(freed_tmp_slot)) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (1 <= freed_tmp_slot || 1 <= used_tmp_slot) || !(1 <= \old(freed_tmp_slot)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.5s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 153 SDtfs, 130 SDslu, 430 SDs, 0 SdLazy, 512 SolverSat, 117 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 30 PreInvPairs, 35 NumberOfFragments, 228 HoareAnnotationTreeSize, 30 FomulaSimplifications, 7 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 358 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 26290 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 48/48 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...