/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 --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 interpolation-heuristic=FIRST --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-eb0fd7c [2020-09-21 11:23:28,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:23:28,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:23:28,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:23:28,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:23:28,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:23:28,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:23:28,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:23:28,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:23:28,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:23:28,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:23:28,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:23:28,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:23:28,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:23:28,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:23:28,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:23:28,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:23:28,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:23:28,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:23:28,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:23:28,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:23:28,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:23:28,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:23:28,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:23:28,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:23:28,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:23:28,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:23:28,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:23:28,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:23:28,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:23:28,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:23:28,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:23:28,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:23:28,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:23:28,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:23:28,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:23:28,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:23:28,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:23:28,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:23:28,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:23:28,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:23:28,592 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 [2020-09-21 11:23:28,631 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:23:28,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:23:28,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:23:28,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:23:28,634 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:23:28,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:23:28,634 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:23:28,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:23:28,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:23:28,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:23:28,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:23:28,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:23:28,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:23:28,636 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:23:28,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:23:28,637 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:23:28,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:23:28,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:23:28,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:23:28,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:23:28,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:23:28,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:23:28,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:23:28,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:23:28,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:23:28,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:23:28,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:23:28,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:23:28,640 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:23:28,640 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.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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:23:29,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:23:29,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:23:29,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:23:29,155 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:23:29,155 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:23:29,157 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-09-21 11:23:29,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fea08e864/5468f1e6b5384464933dc21f2a3d7a00/FLAG5297f353e [2020-09-21 11:23:29,820 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:23:29,823 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-09-21 11:23:29,836 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fea08e864/5468f1e6b5384464933dc21f2a3d7a00/FLAG5297f353e [2020-09-21 11:23:30,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fea08e864/5468f1e6b5384464933dc21f2a3d7a00 [2020-09-21 11:23:30,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:23:30,167 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:23:30,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:23:30,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:23:30,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:23:30,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:23:30" (1/1) ... [2020-09-21 11:23:30,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@779392b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:30, skipping insertion in model container [2020-09-21 11:23:30,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:23:30" (1/1) ... [2020-09-21 11:23:30,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:23:30,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:23:30,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:23:30,451 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:23:30,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:23:30,596 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:23:30,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:30 WrapperNode [2020-09-21 11:23:30,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:23:30,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:23:30,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:23:30,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:23:30,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:30" (1/1) ... [2020-09-21 11:23:30,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:30" (1/1) ... [2020-09-21 11:23:30,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:30" (1/1) ... [2020-09-21 11:23:30,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:30" (1/1) ... [2020-09-21 11:23:30,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:30" (1/1) ... [2020-09-21 11:23:30,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:30" (1/1) ... [2020-09-21 11:23:30,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:30" (1/1) ... [2020-09-21 11:23:30,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:23:30,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:23:30,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:23:30,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:23:30,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:30" (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 [2020-09-21 11:23:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:23:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:23:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-21 11:23:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-21 11:23:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-21 11:23:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-09-21 11:23:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-09-21 11:23:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-09-21 11:23:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-09-21 11:23:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:23:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-21 11:23:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:23:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-21 11:23:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-21 11:23:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-21 11:23:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:23:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-21 11:23:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-21 11:23:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-09-21 11:23:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:23:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-09-21 11:23:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-09-21 11:23:30,741 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-09-21 11:23:30,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:23:30,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:23:30,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:23:30,741 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:23:30,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:23:30,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:23:30,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:23:30,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:23:31,158 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:23:31,159 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 11:23:31,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:23:31 BoogieIcfgContainer [2020-09-21 11:23:31,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:23:31,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:23:31,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:23:31,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:23:31,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:23:30" (1/3) ... [2020-09-21 11:23:31,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ae7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:23:31, skipping insertion in model container [2020-09-21 11:23:31,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:30" (2/3) ... [2020-09-21 11:23:31,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ae7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:23:31, skipping insertion in model container [2020-09-21 11:23:31,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:23:31" (3/3) ... [2020-09-21 11:23:31,179 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2020-09-21 11:23:31,190 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:23:31,199 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:23:31,219 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:23:31,246 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:23:31,246 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:23:31,246 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:23:31,246 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:23:31,246 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:23:31,246 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:23:31,247 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:23:31,247 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:23:31,269 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2020-09-21 11:23:31,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-21 11:23:31,276 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:23:31,277 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] [2020-09-21 11:23:31,277 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:23:31,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:23:31,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1185591928, now seen corresponding path program 1 times [2020-09-21 11:23:31,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:23:31,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1758006331] [2020-09-21 11:23:31,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:23:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:31,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:31,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:31,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:31,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:31,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:23:31,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:31,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-21 11:23:31,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:31,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:23:31,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 11:23:31,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:23:31,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:31,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:31,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:31,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:31,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:31,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:31,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:31,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:31,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:23:31,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:31,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:31,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:23:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:31,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:31,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:31,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:31,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:31,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:23:31,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:31,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:23:31,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:31,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:23:31,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:23:31,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:23:31,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:31,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:31,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:31,897 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:31,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:31,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:31,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:23:31,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:31,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 11:23:31,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:31,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:23:31,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:31,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:23:31,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:31,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:31,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:31,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:31,988 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:31,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:31,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:31,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:31,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:23:31,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:31,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:23:31,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:31,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:23:31,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:32,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:23:32,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1758006331] [2020-09-21 11:23:32,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:23:32,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:23:32,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143949025] [2020-09-21 11:23:32,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:23:32,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:23:32,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:23:32,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:23:32,037 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 10 states. [2020-09-21 11:23:32,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:23:32,544 INFO L93 Difference]: Finished difference Result 79 states and 92 transitions. [2020-09-21 11:23:32,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:23:32,547 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-09-21 11:23:32,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:23:32,562 INFO L225 Difference]: With dead ends: 79 [2020-09-21 11:23:32,562 INFO L226 Difference]: Without dead ends: 60 [2020-09-21 11:23:32,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:23:32,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-09-21 11:23:32,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2020-09-21 11:23:32,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-09-21 11:23:32,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 65 transitions. [2020-09-21 11:23:32,635 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 65 transitions. Word has length 26 [2020-09-21 11:23:32,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:23:32,636 INFO L479 AbstractCegarLoop]: Abstraction has 58 states and 65 transitions. [2020-09-21 11:23:32,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:23:32,636 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2020-09-21 11:23:32,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-21 11:23:32,639 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:23:32,640 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:23:32,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:23:32,640 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:23:32,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:23:32,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1676370897, now seen corresponding path program 1 times [2020-09-21 11:23:32,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:23:32,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1678449787] [2020-09-21 11:23:32,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:23:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:32,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:32,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:32,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:32,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:32,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-21 11:23:32,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:32,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:23:32,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:32,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:23:32,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-21 11:23:32,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:23:32,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:32,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:32,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:32,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:32,778 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:32,778 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:32,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:32,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:32,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:32,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:32,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:32,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:32,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:32,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:32,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:23:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:32,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:32,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:32,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:32,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:32,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:23:32,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:32,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:23:32,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:32,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:23:32,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:23:32,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:23:32,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:32,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:32,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:32,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:32,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:32,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:32,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:23:32,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:32,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:32,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:32,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:32,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:32,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:32,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:32,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:32,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:32,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:32,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:32,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:32,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:32,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:32,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:32,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:32,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:32,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:23:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:32,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:32,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:32,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:32,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:32,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:23:32,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:32,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:23:32,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:23:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:23:32,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:32,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:32,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:32,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:32,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:32,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:32,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:32,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:32,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:23:32,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:32,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:23:32,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:32,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:23:32,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:32,982 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-21 11:23:32,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1678449787] [2020-09-21 11:23:32,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:23:32,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:23:32,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831419578] [2020-09-21 11:23:32,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:23:32,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:23:32,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:23:32,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:23:32,987 INFO L87 Difference]: Start difference. First operand 58 states and 65 transitions. Second operand 10 states. [2020-09-21 11:23:33,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:23:33,482 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2020-09-21 11:23:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:23:33,483 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2020-09-21 11:23:33,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:23:33,485 INFO L225 Difference]: With dead ends: 77 [2020-09-21 11:23:33,485 INFO L226 Difference]: Without dead ends: 68 [2020-09-21 11:23:33,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:23:33,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-09-21 11:23:33,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-09-21 11:23:33,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-09-21 11:23:33,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2020-09-21 11:23:33,505 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 37 [2020-09-21 11:23:33,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:23:33,505 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2020-09-21 11:23:33,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:23:33,506 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2020-09-21 11:23:33,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 11:23:33,508 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:23:33,508 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] [2020-09-21 11:23:33,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:23:33,509 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:23:33,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:23:33,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1781879045, now seen corresponding path program 1 times [2020-09-21 11:23:33,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:23:33,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1806653507] [2020-09-21 11:23:33,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:23:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:33,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:33,559 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:33,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:33,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:33,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 11:23:33,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:33,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:23:33,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:33,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:23:33,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-09-21 11:23:33,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:23:33,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:33,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:33,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:33,629 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:33,629 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:33,629 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:33,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:33,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:33,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:33,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:33,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:33,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:33,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:33,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:33,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:23:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:33,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:33,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:33,694 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:33,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:33,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:23:33,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:33,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:23:33,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:33,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:23:33,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:33,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-21 11:23:33,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:33,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:33,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:33,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:33,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:33,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:33,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:23:33,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:33,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:33,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:33,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:33,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:33,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:33,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:33,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:33,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:33,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:33,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:33,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:33,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:33,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:33,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:33,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:33,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:33,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:33,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:33,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:33,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:23:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:33,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:33,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:33,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:33,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:33,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:23:33,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:33,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:33,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:33,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:33,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:33,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:33,786 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:33,787 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:33,787 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:33,787 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:33,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:33,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:33,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:33,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:33,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:33,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:33,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:33,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:33,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:23:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:33,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:33,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:33,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:33,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:33,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:23:33,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:33,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:33,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:33,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:33,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:33,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:33,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:33,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:33,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:33,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:33,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:33,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:33,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:23:33,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:33,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:33,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:33,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:33,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:33,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:33,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:33,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:33,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:33,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:33,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:33,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:33,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:33,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:33,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:33,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:33,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:33,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:33,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:33,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:33,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:23:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:33,824 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:33,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:33,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:33,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:33,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:33,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:33,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:33,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:33,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:23:33,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:33,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:23:33,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:33,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:23:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:33,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:33,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:33,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:33,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:33,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:33,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:33,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:23:33,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:33,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:23:33,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:33,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:23:33,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:33,853 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-21 11:23:33,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1806653507] [2020-09-21 11:23:33,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:23:33,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:23:33,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37552072] [2020-09-21 11:23:33,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:23:33,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:23:33,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:23:33,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:23:33,860 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand 7 states. [2020-09-21 11:23:34,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:23:34,174 INFO L93 Difference]: Finished difference Result 86 states and 92 transitions. [2020-09-21 11:23:34,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:23:34,175 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2020-09-21 11:23:34,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:23:34,177 INFO L225 Difference]: With dead ends: 86 [2020-09-21 11:23:34,177 INFO L226 Difference]: Without dead ends: 56 [2020-09-21 11:23:34,178 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:23:34,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-09-21 11:23:34,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2020-09-21 11:23:34,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-09-21 11:23:34,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2020-09-21 11:23:34,188 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 63 [2020-09-21 11:23:34,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:23:34,188 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2020-09-21 11:23:34,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:23:34,189 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2020-09-21 11:23:34,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:23:34,191 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:23:34,191 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:23:34,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:23:34,191 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:23:34,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:23:34,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1679478666, now seen corresponding path program 1 times [2020-09-21 11:23:34,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:23:34,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2008767449] [2020-09-21 11:23:34,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:23:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:34,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:34,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:34,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:34,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:34,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:23:34,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:34,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 11:23:34,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:34,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:23:34,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-09-21 11:23:34,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:23:34,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:34,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:34,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:34,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:34,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:34,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:34,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:34,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:34,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:34,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:34,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:34,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:34,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:34,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:34,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:23:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:34,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:34,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:34,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:34,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:34,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:23:34,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:34,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:23:34,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:34,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:23:34,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-09-21 11:23:34,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:23:34,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:34,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:34,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:34,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:34,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:34,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:34,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:23:34,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:34,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:34,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:34,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:34,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:34,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:34,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:34,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:34,438 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:34,438 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:34,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:34,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:34,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:34,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:34,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:34,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:34,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:23:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:34,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:34,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:34,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:34,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:34,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:23:34,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:34,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:34,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:34,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:34,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:34,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:34,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:34,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:34,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:34,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:34,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:34,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:34,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:34,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:34,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:34,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:34,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:34,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:34,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:34,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:34,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:23:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:34,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:34,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:34,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:34,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:34,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:23:34,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:34,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 11:23:34,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:23:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:23:34,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:34,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:34,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:34,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:34,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:34,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:34,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:23:34,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:34,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:23:34,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:34,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:23:34,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:34,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:23:34,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:34,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:34,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:34,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:34,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:34,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:34,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:34,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:34,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:23:34,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:23:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:34,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:23:34,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:34,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:23:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:34,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:34,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:34,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:34,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:34,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:23:34,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:34,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:34,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:23:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:34,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:34,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:23:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:34,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:34,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:34,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:34,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:34,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:23:34,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:34,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:34,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:34,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:34,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:23:34,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:34,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:34,668 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-09-21 11:23:34,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2008767449] [2020-09-21 11:23:34,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:23:34,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-21 11:23:34,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711432147] [2020-09-21 11:23:34,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-21 11:23:34,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:23:34,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-21 11:23:34,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:23:34,671 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 13 states. [2020-09-21 11:23:34,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:23:34,905 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2020-09-21 11:23:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:23:34,907 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 65 [2020-09-21 11:23:34,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:23:34,908 INFO L225 Difference]: With dead ends: 54 [2020-09-21 11:23:34,908 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:23:34,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:23:34,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:23:34,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:23:34,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:23:34,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:23:34,911 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2020-09-21 11:23:34,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:23:34,911 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:23:34,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-21 11:23:34,911 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:23:34,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:23:34,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:23:34,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:23:35,410 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numEXIT(lines 54 56) no Hoare annotation was computed. [2020-09-21 11:23:35,410 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-21 11:23:35,411 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)) [2020-09-21 11:23:35,411 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numFINAL(lines 54 56) no Hoare annotation was computed. [2020-09-21 11:23:35,411 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:23:35,411 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|)) [2020-09-21 11:23:35,412 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:23:35,412 INFO L268 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-09-21 11:23:35,412 INFO L268 CegarLoopResult]: For program point kfreeEXIT(lines 48 51) no Hoare annotation was computed. [2020-09-21 11:23:35,412 INFO L268 CegarLoopResult]: For program point L49-2(lines 48 51) no Hoare annotation was computed. [2020-09-21 11:23:35,412 INFO L264 CegarLoopResult]: At program point kfreeENTRY(lines 48 51) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (not (<= 1 ~used_tmp_slot~0)) (= ~tmp_slot~0.base 0)) [2020-09-21 11:23:35,412 INFO L264 CegarLoopResult]: At program point L46(line 46) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (not (= |kzalloc_#t~malloc0.base| 0))) [2020-09-21 11:23:35,413 INFO L268 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-09-21 11:23:35,413 INFO L268 CegarLoopResult]: For program point kzallocEXIT(line 46) no Hoare annotation was computed. [2020-09-21 11:23:35,413 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|)) [2020-09-21 11:23:35,413 INFO L268 CegarLoopResult]: For program point kzallocFINAL(line 46) no Hoare annotation was computed. [2020-09-21 11:23:35,413 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-09-21 11:23:35,413 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-09-21 11:23:35,414 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-09-21 11:23:35,414 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-09-21 11:23:35,414 INFO L271 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 65 68) the Hoare annotation is: true [2020-09-21 11:23:35,414 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoFINAL(lines 65 68) no Hoare annotation was computed. [2020-09-21 11:23:35,414 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoEXIT(lines 65 68) no Hoare annotation was computed. [2020-09-21 11:23:35,414 INFO L268 CegarLoopResult]: For program point L97(lines 97 105) no Hoare annotation was computed. [2020-09-21 11:23:35,415 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerEXIT(lines 70 131) no Hoare annotation was computed. [2020-09-21 11:23:35,415 INFO L264 CegarLoopResult]: At program point L126(lines 70 131) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0)) [2020-09-21 11:23:35,415 INFO L264 CegarLoopResult]: At program point L120(lines 70 131) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0)) [2020-09-21 11:23:35,415 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0)) [2020-09-21 11:23:35,416 INFO L268 CegarLoopResult]: For program point L85(lines 85 88) no Hoare annotation was computed. [2020-09-21 11:23:35,416 INFO L268 CegarLoopResult]: For program point L118-1(line 118) no Hoare annotation was computed. [2020-09-21 11:23:35,416 INFO L264 CegarLoopResult]: At program point L83(line 83) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-09-21 11:23:35,416 INFO L268 CegarLoopResult]: For program point L83-1(line 83) no Hoare annotation was computed. [2020-09-21 11:23:35,416 INFO L264 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0)) [2020-09-21 11:23:35,416 INFO L268 CegarLoopResult]: For program point L114-1(line 114) no Hoare annotation was computed. [2020-09-21 11:23:35,417 INFO L268 CegarLoopResult]: For program point L77(lines 77 80) no Hoare annotation was computed. [2020-09-21 11:23:35,417 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) [2020-09-21 11:23:35,417 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-09-21 11:23:35,417 INFO L264 CegarLoopResult]: At program point ebda_rsrc_controllerENTRY(lines 70 131) the Hoare annotation is: (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|)) [2020-09-21 11:23:35,418 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0)) [2020-09-21 11:23:35,418 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerFINAL(lines 70 131) no Hoare annotation was computed. [2020-09-21 11:23:35,418 INFO L268 CegarLoopResult]: For program point L125-1(line 125) no Hoare annotation was computed. [2020-09-21 11:23:35,418 INFO L268 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2020-09-21 11:23:35,418 INFO L268 CegarLoopResult]: For program point L115(lines 115 116) no Hoare annotation was computed. [2020-09-21 11:23:35,418 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (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|)) [2020-09-21 11:23:35,419 INFO L268 CegarLoopResult]: For program point L76-1(line 76) no Hoare annotation was computed. [2020-09-21 11:23:35,419 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: false [2020-09-21 11:23:35,419 INFO L268 CegarLoopResult]: For program point L101-1(line 101) no Hoare annotation was computed. [2020-09-21 11:23:35,419 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:23:35,419 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-21 11:23:35,419 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:23:35,420 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:23:35,420 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 133 137) the Hoare annotation is: (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|)) [2020-09-21 11:23:35,420 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 133 137) no Hoare annotation was computed. [2020-09-21 11:23:35,420 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 11:23:35,420 INFO L268 CegarLoopResult]: For program point L135(lines 135 136) no Hoare annotation was computed. [2020-09-21 11:23:35,421 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-09-21 11:23:35,421 INFO L264 CegarLoopResult]: At program point L136-2(line 136) the Hoare annotation is: false [2020-09-21 11:23:35,421 INFO L268 CegarLoopResult]: For program point L135-1(lines 133 137) no Hoare annotation was computed. [2020-09-21 11:23:35,421 INFO L271 CegarLoopResult]: At program point fillslotinfoENTRY(lines 60 63) the Hoare annotation is: true [2020-09-21 11:23:35,421 INFO L268 CegarLoopResult]: For program point fillslotinfoEXIT(lines 60 63) no Hoare annotation was computed. [2020-09-21 11:23:35,421 INFO L268 CegarLoopResult]: For program point fillslotinfoFINAL(lines 60 63) no Hoare annotation was computed. [2020-09-21 11:23:35,422 INFO L264 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2020-09-21 11:23:35,422 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:23:35,422 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:23:35,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:23:35 BoogieIcfgContainer [2020-09-21 11:23:35,447 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:23:35,451 INFO L168 Benchmark]: Toolchain (without parser) took 5284.96 ms. Allocated memory was 138.4 MB in the beginning and 291.0 MB in the end (delta: 152.6 MB). Free memory was 100.7 MB in the beginning and 213.9 MB in the end (delta: -113.2 MB). Peak memory consumption was 121.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:23:35,452 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 138.4 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:23:35,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.32 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 100.0 MB in the beginning and 180.1 MB in the end (delta: -80.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:23:35,454 INFO L168 Benchmark]: Boogie Preprocessor took 64.89 ms. Allocated memory is still 201.9 MB. Free memory was 180.1 MB in the beginning and 177.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:23:35,454 INFO L168 Benchmark]: RCFGBuilder took 506.34 ms. Allocated memory is still 201.9 MB. Free memory was 177.6 MB in the beginning and 153.9 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:23:35,455 INFO L168 Benchmark]: TraceAbstraction took 4276.70 ms. Allocated memory was 201.9 MB in the beginning and 291.0 MB in the end (delta: 89.1 MB). Free memory was 153.2 MB in the beginning and 213.9 MB in the end (delta: -60.7 MB). Peak memory consumption was 110.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:23:35,459 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 138.4 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 429.32 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 100.0 MB in the beginning and 180.1 MB in the end (delta: -80.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.89 ms. Allocated memory is still 201.9 MB. Free memory was 180.1 MB in the beginning and 177.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 506.34 ms. Allocated memory is still 201.9 MB. Free memory was 177.6 MB in the beginning and 153.9 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4276.70 ms. Allocated memory was 201.9 MB in the beginning and 291.0 MB in the end (delta: 89.1 MB). Free memory was 153.2 MB in the beginning and 213.9 MB in the end (delta: -60.7 MB). Peak memory consumption was 110.6 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: (!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && 1 <= used_tmp_slot - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && 1 <= used_tmp_slot - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 204 SDtfs, 180 SDslu, 545 SDs, 0 SdLazy, 593 SolverSat, 171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 33 PreInvPairs, 36 NumberOfFragments, 236 HoareAnnotationTreeSize, 33 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 23 FomulaSimplificationsInter, 353 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 29518 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 60/60 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...