/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/oomInt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 18:17:24,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 18:17:24,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 18:17:24,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 18:17:24,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 18:17:24,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 18:17:24,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 18:17:24,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 18:17:24,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 18:17:24,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 18:17:24,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 18:17:24,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 18:17:24,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 18:17:24,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 18:17:24,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 18:17:24,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 18:17:24,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 18:17:24,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 18:17:24,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 18:17:24,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 18:17:24,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 18:17:24,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 18:17:24,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 18:17:24,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 18:17:24,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 18:17:24,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 18:17:24,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 18:17:24,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 18:17:24,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 18:17:24,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 18:17:24,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 18:17:24,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 18:17:24,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 18:17:24,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 18:17:24,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 18:17:24,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 18:17:24,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 18:17:24,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 18:17:24,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 18:17:24,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 18:17:24,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 18:17:24,744 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 18:17:24,792 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 18:17:24,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 18:17:24,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 18:17:24,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 18:17:24,796 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 18:17:24,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 18:17:24,797 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 18:17:24,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 18:17:24,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 18:17:24,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 18:17:24,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 18:17:24,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 18:17:24,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 18:17:24,800 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 18:17:24,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 18:17:24,800 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 18:17:24,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 18:17:24,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 18:17:24,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 18:17:24,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 18:17:24,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 18:17:24,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 18:17:24,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 18:17:24,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 18:17:24,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 18:17:24,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 18:17:24,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 18:17:24,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 18:17:24,803 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 18:17:24,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 18:17:25,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 18:17:25,340 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 18:17:25,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 18:17:25,348 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 18:17:25,348 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 18:17:25,349 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.i [2020-09-24 18:17:25,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6689ba351/f5c16712982f446aaccf55dd0fd570ff/FLAG599f8fbac [2020-09-24 18:17:26,023 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 18:17:26,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/oomInt.i [2020-09-24 18:17:26,033 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6689ba351/f5c16712982f446aaccf55dd0fd570ff/FLAG599f8fbac [2020-09-24 18:17:26,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6689ba351/f5c16712982f446aaccf55dd0fd570ff [2020-09-24 18:17:26,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 18:17:26,395 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 18:17:26,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 18:17:26,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 18:17:26,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 18:17:26,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:17:26" (1/1) ... [2020-09-24 18:17:26,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3baf0e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:26, skipping insertion in model container [2020-09-24 18:17:26,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:17:26" (1/1) ... [2020-09-24 18:17:26,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 18:17:26,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 18:17:26,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:17:26,664 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 18:17:26,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:17:26,702 INFO L208 MainTranslator]: Completed translation [2020-09-24 18:17:26,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:26 WrapperNode [2020-09-24 18:17:26,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 18:17:26,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 18:17:26,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 18:17:26,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 18:17:26,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:26" (1/1) ... [2020-09-24 18:17:26,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:26" (1/1) ... [2020-09-24 18:17:26,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:26" (1/1) ... [2020-09-24 18:17:26,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:26" (1/1) ... [2020-09-24 18:17:26,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:26" (1/1) ... [2020-09-24 18:17:26,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:26" (1/1) ... [2020-09-24 18:17:26,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:26" (1/1) ... [2020-09-24 18:17:26,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 18:17:26,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 18:17:26,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 18:17:26,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 18:17:26,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 18:17:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 18:17:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 18:17:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 18:17:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2020-09-24 18:17:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2020-09-24 18:17:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 18:17:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 18:17:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 18:17:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2020-09-24 18:17:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2020-09-24 18:17:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 18:17:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 18:17:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 18:17:27,092 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 18:17:27,093 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 18:17:27,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:17:27 BoogieIcfgContainer [2020-09-24 18:17:27,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 18:17:27,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 18:17:27,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 18:17:27,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 18:17:27,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 06:17:26" (1/3) ... [2020-09-24 18:17:27,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5118af8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:17:27, skipping insertion in model container [2020-09-24 18:17:27,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:26" (2/3) ... [2020-09-24 18:17:27,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5118af8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:17:27, skipping insertion in model container [2020-09-24 18:17:27,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:17:27" (3/3) ... [2020-09-24 18:17:27,109 INFO L109 eAbstractionObserver]: Analyzing ICFG oomInt.i [2020-09-24 18:17:27,121 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 18:17:27,132 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 18:17:27,156 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 18:17:27,189 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 18:17:27,189 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 18:17:27,189 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 18:17:27,190 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 18:17:27,190 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 18:17:27,190 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 18:17:27,190 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 18:17:27,190 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 18:17:27,214 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-09-24 18:17:27,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-09-24 18:17:27,221 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:17:27,222 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:17:27,223 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:17:27,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:17:27,230 INFO L82 PathProgramCache]: Analyzing trace with hash 531924990, now seen corresponding path program 1 times [2020-09-24 18:17:27,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:17:27,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2019024354] [2020-09-24 18:17:27,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:17:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:27,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:27,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:27,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:27,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-24 18:17:27,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:17:27,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-09-24 18:17:27,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 18:17:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 18:17:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 18:17:27,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 18:17:27,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:17:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:27,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:27,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:27,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:17:27,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:27,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 18:17:27,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:27,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:27,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:27,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:27,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:27,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 18:17:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:27,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:27,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:27,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:27,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:17:27,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:17:27,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 18:17:27,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:27,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 18:17:27,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:27,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 18:17:27,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:17:28,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2019024354] [2020-09-24 18:17:28,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:17:28,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 18:17:28,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383721158] [2020-09-24 18:17:28,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 18:17:28,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:17:28,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 18:17:28,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-09-24 18:17:28,032 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 9 states. [2020-09-24 18:17:28,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:17:28,349 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2020-09-24 18:17:28,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 18:17:28,352 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-09-24 18:17:28,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:17:28,366 INFO L225 Difference]: With dead ends: 55 [2020-09-24 18:17:28,367 INFO L226 Difference]: Without dead ends: 20 [2020-09-24 18:17:28,372 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2020-09-24 18:17:28,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-09-24 18:17:28,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-09-24 18:17:28,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-09-24 18:17:28,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2020-09-24 18:17:28,430 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 19 [2020-09-24 18:17:28,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:17:28,431 INFO L479 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2020-09-24 18:17:28,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 18:17:28,432 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2020-09-24 18:17:28,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-09-24 18:17:28,434 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:17:28,435 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:17:28,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 18:17:28,436 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:17:28,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:17:28,437 INFO L82 PathProgramCache]: Analyzing trace with hash 839962558, now seen corresponding path program 1 times [2020-09-24 18:17:28,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:17:28,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [641130094] [2020-09-24 18:17:28,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:17:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:28,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:28,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:28,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:28,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-24 18:17:28,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:17:28,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-09-24 18:17:28,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:28,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 18:17:28,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 18:17:28,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 18:17:28,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:28,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:17:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:28,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:28,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:28,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:17:28,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:28,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:17:28,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:28,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:28,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:28,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:28,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:28,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 18:17:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:28,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:28,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:28,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:17:28,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:28,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 18:17:28,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:28,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 18:17:28,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 18:17:28,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 18:17:28,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:28,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:17:28,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [641130094] [2020-09-24 18:17:28,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:17:28,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 18:17:28,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184997777] [2020-09-24 18:17:28,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 18:17:28,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:17:28,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 18:17:28,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 18:17:28,775 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 5 states. [2020-09-24 18:17:28,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:17:28,816 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2020-09-24 18:17:28,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 18:17:28,817 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-09-24 18:17:28,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:17:28,818 INFO L225 Difference]: With dead ends: 20 [2020-09-24 18:17:28,818 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 18:17:28,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-09-24 18:17:28,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 18:17:28,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 18:17:28,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 18:17:28,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 18:17:28,821 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2020-09-24 18:17:28,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:17:28,821 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 18:17:28,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 18:17:28,822 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 18:17:28,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 18:17:28,823 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 18:17:28,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 18:17:28,908 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 18:17:28,908 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-09-24 18:17:28,909 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 18:17:28,909 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 18:17:28,909 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 18:17:28,909 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 18:17:28,909 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 18:17:28,910 INFO L268 CegarLoopResult]: For program point abs_intEXIT(lines 16 25) no Hoare annotation was computed. [2020-09-24 18:17:28,910 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-09-24 18:17:28,910 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-24 18:17:28,912 INFO L271 CegarLoopResult]: At program point abs_intENTRY(lines 16 25) the Hoare annotation is: true [2020-09-24 18:17:28,912 INFO L268 CegarLoopResult]: For program point L18(lines 18 24) no Hoare annotation was computed. [2020-09-24 18:17:28,912 INFO L268 CegarLoopResult]: For program point abs_intFINAL(lines 16 25) no Hoare annotation was computed. [2020-09-24 18:17:28,913 INFO L264 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (<= 1 ~p~0) [2020-09-24 18:17:28,913 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-09-24 18:17:28,913 INFO L268 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed. [2020-09-24 18:17:28,913 INFO L264 CegarLoopResult]: At program point firstFunctionENTRY(lines 27 31) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-09-24 18:17:28,914 INFO L268 CegarLoopResult]: For program point L29-2(line 29) no Hoare annotation was computed. [2020-09-24 18:17:28,914 INFO L268 CegarLoopResult]: For program point firstFunctionFINAL(lines 27 31) no Hoare annotation was computed. [2020-09-24 18:17:28,914 INFO L268 CegarLoopResult]: For program point firstFunctionEXIT(lines 27 31) no Hoare annotation was computed. [2020-09-24 18:17:28,914 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 33 36) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-09-24 18:17:28,914 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 33 36) no Hoare annotation was computed. [2020-09-24 18:17:28,915 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 33 36) no Hoare annotation was computed. [2020-09-24 18:17:28,915 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 12) the Hoare annotation is: true [2020-09-24 18:17:28,915 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-24 18:17:28,915 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 6 12) no Hoare annotation was computed. [2020-09-24 18:17:28,915 INFO L268 CegarLoopResult]: For program point L8(lines 8 11) no Hoare annotation was computed. [2020-09-24 18:17:28,915 INFO L268 CegarLoopResult]: For program point L8-2(lines 6 12) no Hoare annotation was computed. [2020-09-24 18:17:28,916 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2020-09-24 18:17:28,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 06:17:28 BoogieIcfgContainer [2020-09-24 18:17:28,925 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 18:17:28,932 INFO L168 Benchmark]: Toolchain (without parser) took 2536.42 ms. Allocated memory was 139.5 MB in the beginning and 235.4 MB in the end (delta: 95.9 MB). Free memory was 103.1 MB in the beginning and 192.6 MB in the end (delta: -89.5 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2020-09-24 18:17:28,933 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 18:17:28,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.41 ms. Allocated memory is still 139.5 MB. Free memory was 102.4 MB in the beginning and 93.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-09-24 18:17:28,936 INFO L168 Benchmark]: Boogie Preprocessor took 31.38 ms. Allocated memory is still 139.5 MB. Free memory was 93.2 MB in the beginning and 91.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-09-24 18:17:28,938 INFO L168 Benchmark]: RCFGBuilder took 362.51 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 91.6 MB in the beginning and 169.6 MB in the end (delta: -78.0 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-09-24 18:17:28,940 INFO L168 Benchmark]: TraceAbstraction took 1826.15 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 168.9 MB in the beginning and 192.6 MB in the end (delta: -23.6 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-09-24 18:17:28,950 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 307.41 ms. Allocated memory is still 139.5 MB. Free memory was 102.4 MB in the beginning and 93.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.38 ms. Allocated memory is still 139.5 MB. Free memory was 93.2 MB in the beginning and 91.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 362.51 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 91.6 MB in the beginning and 169.6 MB in the end (delta: -78.0 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1826.15 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 168.9 MB in the beginning and 192.6 MB in the end (delta: -23.6 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 32 SDtfs, 41 SDslu, 104 SDs, 0 SdLazy, 109 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 9 PreInvPairs, 10 NumberOfFragments, 16 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 1260 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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...