/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 23:50:21,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 23:50:21,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 23:50:21,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-21 23:50:21,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 23:50:21,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 23:50:21,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 23:50:21,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 23:50:21,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 23:50:21,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 23:50:21,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 23:50:21,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 23:50:21,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 23:50:21,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 23:50:21,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 23:50:21,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 23:50:21,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 23:50:21,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 23:50:21,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 23:50:21,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 23:50:21,613 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 [2020-08-21 23:50:21,636 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 23:50:21,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 23:50:21,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 23:50:21,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 23:50:21,638 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 23:50:21,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 23:50:21,638 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 23:50:21,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 23:50:21,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 23:50:21,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 23:50:21,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 23:50:21,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 23:50:21,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 23:50:21,639 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 23:50:21,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 23:50:21,640 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 23:50:21,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 23:50:21,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 23:50:21,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 23:50:21,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 23:50:21,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 23:50:21,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 23:50:21,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 23:50:21,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 23:50:21,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 23:50:21,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 23:50:21,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 23:50:21,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 23:50:21,642 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 23:50:21,642 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 -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-08-21 23:50:21,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 23:50:21,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 23:50:22,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 23:50:22,005 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 23:50:22,006 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 23:50:22,007 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label08.c [2020-08-21 23:50:22,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/477df7ea5/5951c7a3568a4daabb3599b7ac344668/FLAGc0983ffc2 [2020-08-21 23:50:22,667 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 23:50:22,668 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label08.c [2020-08-21 23:50:22,680 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/477df7ea5/5951c7a3568a4daabb3599b7ac344668/FLAGc0983ffc2 [2020-08-21 23:50:22,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/477df7ea5/5951c7a3568a4daabb3599b7ac344668 [2020-08-21 23:50:22,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 23:50:22,920 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 23:50:22,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 23:50:22,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 23:50:22,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 23:50:22,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:50:22" (1/1) ... [2020-08-21 23:50:22,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c8ba199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:50:22, skipping insertion in model container [2020-08-21 23:50:22,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:50:22" (1/1) ... [2020-08-21 23:50:22,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 23:50:22,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 23:50:23,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 23:50:23,504 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 23:50:23,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 23:50:23,738 INFO L208 MainTranslator]: Completed translation [2020-08-21 23:50:23,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:50:23 WrapperNode [2020-08-21 23:50:23,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 23:50:23,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 23:50:23,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 23:50:23,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 23:50:23,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:50:23" (1/1) ... [2020-08-21 23:50:23,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:50:23" (1/1) ... [2020-08-21 23:50:23,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:50:23" (1/1) ... [2020-08-21 23:50:23,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:50:23" (1/1) ... [2020-08-21 23:50:23,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:50:23" (1/1) ... [2020-08-21 23:50:23,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:50:23" (1/1) ... [2020-08-21 23:50:23,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:50:23" (1/1) ... [2020-08-21 23:50:23,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 23:50:23,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 23:50:23,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 23:50:23,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 23:50:23,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:50:23" (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 [2020-08-21 23:50:24,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 23:50:24,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 23:50:24,005 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 23:50:24,005 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 23:50:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 23:50:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 23:50:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 23:50:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 23:50:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 23:50:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 23:50:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 23:50:25,326 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 23:50:25,327 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 23:50:25,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:50:25 BoogieIcfgContainer [2020-08-21 23:50:25,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 23:50:25,335 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 23:50:25,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 23:50:25,338 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 23:50:25,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 11:50:22" (1/3) ... [2020-08-21 23:50:25,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4310bfa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:50:25, skipping insertion in model container [2020-08-21 23:50:25,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:50:23" (2/3) ... [2020-08-21 23:50:25,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4310bfa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:50:25, skipping insertion in model container [2020-08-21 23:50:25,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:50:25" (3/3) ... [2020-08-21 23:50:25,342 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label08.c [2020-08-21 23:50:25,353 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 23:50:25,361 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 23:50:25,375 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 23:50:25,404 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 23:50:25,404 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 23:50:25,404 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 23:50:25,404 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 23:50:25,405 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 23:50:25,405 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 23:50:25,405 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 23:50:25,405 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 23:50:25,430 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-21 23:50:25,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-08-21 23:50:25,445 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:50:25,446 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:50:25,447 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:50:25,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:50:25,454 INFO L82 PathProgramCache]: Analyzing trace with hash -218350154, now seen corresponding path program 1 times [2020-08-21 23:50:25,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:50:25,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026464769] [2020-08-21 23:50:25,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:50:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:50:26,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:50:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:50:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:50:26,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026464769] [2020-08-21 23:50:26,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:50:26,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 23:50:26,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8700628] [2020-08-21 23:50:26,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 23:50:26,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:50:26,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 23:50:26,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 23:50:26,163 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-21 23:50:28,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:50:28,592 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2020-08-21 23:50:28,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 23:50:28,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2020-08-21 23:50:28,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:50:28,613 INFO L225 Difference]: With dead ends: 813 [2020-08-21 23:50:28,614 INFO L226 Difference]: Without dead ends: 488 [2020-08-21 23:50:28,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 23:50:28,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-08-21 23:50:28,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2020-08-21 23:50:28,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-08-21 23:50:28,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-08-21 23:50:28,716 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 128 [2020-08-21 23:50:28,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:50:28,717 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-08-21 23:50:28,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 23:50:28,719 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-08-21 23:50:28,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-21 23:50:28,734 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:50:28,734 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:50:28,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 23:50:28,735 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:50:28,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:50:28,735 INFO L82 PathProgramCache]: Analyzing trace with hash 206670545, now seen corresponding path program 1 times [2020-08-21 23:50:28,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:50:28,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [512218863] [2020-08-21 23:50:28,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:50:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:50:29,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:50:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:50:29,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:50:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:50:29,115 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 23:50:29,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [512218863] [2020-08-21 23:50:29,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:50:29,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 23:50:29,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928206461] [2020-08-21 23:50:29,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 23:50:29,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:50:29,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 23:50:29,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-21 23:50:29,120 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 7 states. [2020-08-21 23:50:30,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:50:30,782 INFO L93 Difference]: Finished difference Result 1399 states and 2064 transitions. [2020-08-21 23:50:30,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 23:50:30,782 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 136 [2020-08-21 23:50:30,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:50:30,790 INFO L225 Difference]: With dead ends: 1399 [2020-08-21 23:50:30,790 INFO L226 Difference]: Without dead ends: 924 [2020-08-21 23:50:30,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-21 23:50:30,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-08-21 23:50:30,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 772. [2020-08-21 23:50:30,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 772 states. [2020-08-21 23:50:30,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1127 transitions. [2020-08-21 23:50:30,852 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1127 transitions. Word has length 136 [2020-08-21 23:50:30,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:50:30,853 INFO L479 AbstractCegarLoop]: Abstraction has 772 states and 1127 transitions. [2020-08-21 23:50:30,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 23:50:30,853 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1127 transitions. [2020-08-21 23:50:30,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-08-21 23:50:30,858 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:50:30,858 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:50:30,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 23:50:30,858 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:50:30,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:50:30,859 INFO L82 PathProgramCache]: Analyzing trace with hash 507332814, now seen corresponding path program 1 times [2020-08-21 23:50:30,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:50:30,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1760070212] [2020-08-21 23:50:30,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:50:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:50:30,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:50:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:50:30,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:50:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:50:31,051 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:50:31,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1760070212] [2020-08-21 23:50:31,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:50:31,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 23:50:31,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270764719] [2020-08-21 23:50:31,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 23:50:31,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:50:31,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 23:50:31,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 23:50:31,054 INFO L87 Difference]: Start difference. First operand 772 states and 1127 transitions. Second operand 8 states. [2020-08-21 23:50:33,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:50:33,144 INFO L93 Difference]: Finished difference Result 2632 states and 3998 transitions. [2020-08-21 23:50:33,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 23:50:33,146 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2020-08-21 23:50:33,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:50:33,160 INFO L225 Difference]: With dead ends: 2632 [2020-08-21 23:50:33,160 INFO L226 Difference]: Without dead ends: 1866 [2020-08-21 23:50:33,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-21 23:50:33,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states. [2020-08-21 23:50:33,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866 to 1545. [2020-08-21 23:50:33,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1545 states. [2020-08-21 23:50:33,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2093 transitions. [2020-08-21 23:50:33,228 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2093 transitions. Word has length 150 [2020-08-21 23:50:33,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:50:33,229 INFO L479 AbstractCegarLoop]: Abstraction has 1545 states and 2093 transitions. [2020-08-21 23:50:33,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 23:50:33,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2093 transitions. [2020-08-21 23:50:33,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-08-21 23:50:33,236 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:50:33,236 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:50:33,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 23:50:33,237 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:50:33,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:50:33,237 INFO L82 PathProgramCache]: Analyzing trace with hash 205637892, now seen corresponding path program 1 times [2020-08-21 23:50:33,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:50:33,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [688065082] [2020-08-21 23:50:33,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:50:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:50:33,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:50:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:50:33,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:50:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:50:33,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 23:50:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:50:33,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 23:50:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:50:33,683 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 132 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-08-21 23:50:33,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [688065082] [2020-08-21 23:50:33,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:50:33,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 23:50:33,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402601522] [2020-08-21 23:50:33,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 23:50:33,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:50:33,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 23:50:33,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 23:50:33,692 INFO L87 Difference]: Start difference. First operand 1545 states and 2093 transitions. Second operand 9 states. [2020-08-21 23:50:38,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:50:38,089 INFO L93 Difference]: Finished difference Result 6438 states and 9486 transitions. [2020-08-21 23:50:38,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-21 23:50:38,090 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 240 [2020-08-21 23:50:38,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:50:38,132 INFO L225 Difference]: With dead ends: 6438 [2020-08-21 23:50:38,133 INFO L226 Difference]: Without dead ends: 4899 [2020-08-21 23:50:38,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2020-08-21 23:50:38,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4899 states. [2020-08-21 23:50:38,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4899 to 4276. [2020-08-21 23:50:38,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4276 states. [2020-08-21 23:50:38,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 4276 states and 5666 transitions. [2020-08-21 23:50:38,323 INFO L78 Accepts]: Start accepts. Automaton has 4276 states and 5666 transitions. Word has length 240 [2020-08-21 23:50:38,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:50:38,324 INFO L479 AbstractCegarLoop]: Abstraction has 4276 states and 5666 transitions. [2020-08-21 23:50:38,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 23:50:38,325 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 5666 transitions. [2020-08-21 23:50:38,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-08-21 23:50:38,350 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:50:38,350 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:50:38,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 23:50:38,351 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:50:38,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:50:38,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1322506117, now seen corresponding path program 1 times [2020-08-21 23:50:38,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:50:38,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1855684190] [2020-08-21 23:50:38,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:50:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:50:38,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:50:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:50:38,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:50:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:50:38,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-21 23:50:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:50:38,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-21 23:50:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:50:38,790 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 236 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-08-21 23:50:38,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1855684190] [2020-08-21 23:50:38,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:50:38,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 23:50:38,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561400794] [2020-08-21 23:50:38,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 23:50:38,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:50:38,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 23:50:38,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-21 23:50:38,795 INFO L87 Difference]: Start difference. First operand 4276 states and 5666 transitions. Second operand 10 states. [2020-08-21 23:50:41,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:50:41,233 INFO L93 Difference]: Finished difference Result 10647 states and 14490 transitions. [2020-08-21 23:50:41,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 23:50:41,234 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 296 [2020-08-21 23:50:41,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:50:41,235 INFO L225 Difference]: With dead ends: 10647 [2020-08-21 23:50:41,235 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 23:50:41,264 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2020-08-21 23:50:41,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 23:50:41,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 23:50:41,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 23:50:41,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 23:50:41,266 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 296 [2020-08-21 23:50:41,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:50:41,266 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 23:50:41,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 23:50:41,267 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 23:50:41,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 23:50:41,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 23:50:41,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 23:50:42,095 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 71 [2020-08-21 23:50:42,220 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 71 [2020-08-21 23:50:43,237 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 52 [2020-08-21 23:50:43,481 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 45 [2020-08-21 23:50:43,695 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 45 [2020-08-21 23:50:43,699 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 23:50:43,699 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-08-21 23:50:43,700 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 23:50:43,700 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,700 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,701 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,701 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,701 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,701 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-21 23:50:43,702 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-21 23:50:43,702 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-21 23:50:43,702 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-21 23:50:43,709 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-21 23:50:43,709 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-21 23:50:43,709 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-21 23:50:43,709 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-21 23:50:43,710 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-21 23:50:43,710 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-21 23:50:43,710 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-21 23:50:43,710 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-21 23:50:43,710 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-21 23:50:43,710 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,710 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,711 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,711 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,711 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-21 23:50:43,711 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,711 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-21 23:50:43,711 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-21 23:50:43,711 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-21 23:50:43,712 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-21 23:50:43,715 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-21 23:50:43,715 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-21 23:50:43,715 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-21 23:50:43,715 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-21 23:50:43,715 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-21 23:50:43,716 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-21 23:50:43,716 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-21 23:50:43,716 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-21 23:50:43,716 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-21 23:50:43,716 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-21 23:50:43,716 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-21 23:50:43,716 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,716 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,717 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,717 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,717 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,717 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 538) no Hoare annotation was computed. [2020-08-21 23:50:43,717 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-21 23:50:43,717 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-21 23:50:43,717 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-21 23:50:43,718 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-21 23:50:43,720 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-21 23:50:43,720 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-21 23:50:43,720 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-21 23:50:43,720 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-21 23:50:43,720 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-21 23:50:43,720 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-21 23:50:43,721 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-21 23:50:43,721 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,721 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,721 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,721 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,721 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,722 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-21 23:50:43,722 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-21 23:50:43,722 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-21 23:50:43,722 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-21 23:50:43,722 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-21 23:50:43,722 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-21 23:50:43,722 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-21 23:50:43,723 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-21 23:50:43,725 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-21 23:50:43,725 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-21 23:50:43,725 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-21 23:50:43,726 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-21 23:50:43,726 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-21 23:50:43,726 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,726 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,726 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,726 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,726 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,727 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-21 23:50:43,727 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-21 23:50:43,727 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-21 23:50:43,727 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-21 23:50:43,727 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-21 23:50:43,727 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-21 23:50:43,727 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-21 23:50:43,727 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-21 23:50:43,728 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-21 23:50:43,731 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-21 23:50:43,731 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-21 23:50:43,731 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-21 23:50:43,731 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-21 23:50:43,732 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-21 23:50:43,732 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-21 23:50:43,732 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-21 23:50:43,732 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,732 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,732 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,732 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,732 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-21 23:50:43,733 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,733 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-21 23:50:43,733 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,733 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-21 23:50:43,733 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-21 23:50:43,733 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-21 23:50:43,733 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,734 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,734 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-21 23:50:43,734 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-21 23:50:43,734 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-21 23:50:43,734 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-21 23:50:43,734 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-21 23:50:43,734 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-21 23:50:43,734 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-21 23:50:43,735 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-21 23:50:43,735 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-21 23:50:43,735 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-21 23:50:43,735 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-21 23:50:43,735 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,735 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,735 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,736 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,737 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,737 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,737 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-21 23:50:43,737 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-21 23:50:43,737 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-21 23:50:43,737 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-21 23:50:43,741 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-21 23:50:43,741 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-21 23:50:43,741 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-21 23:50:43,741 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-21 23:50:43,741 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-21 23:50:43,742 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-21 23:50:43,742 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-21 23:50:43,742 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,742 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,742 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,742 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,743 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,743 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,743 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-21 23:50:43,743 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-21 23:50:43,743 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-21 23:50:43,743 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-21 23:50:43,743 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-21 23:50:43,744 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-21 23:50:43,744 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-21 23:50:43,744 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-21 23:50:43,744 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-21 23:50:43,747 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-21 23:50:43,747 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-21 23:50:43,747 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-21 23:50:43,747 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-21 23:50:43,747 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-21 23:50:43,747 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,748 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,748 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,750 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse7 (= ~a25~0 |old(~a25~0)|)) (.cse8 (= ~a19~0 |old(~a19~0)|))) (let ((.cse3 (and .cse5 .cse6 .cse7 (= ~a17~0 8) .cse8)) (.cse4 (not (= 8 |old(~a17~0)|))) (.cse2 (= 11 |old(~a28~0)|)) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse1 (and .cse5 (= ~a17~0 |old(~a17~0)|) .cse6 .cse7 .cse8))) (and (or .cse0 .cse1 .cse2 (not (<= 10 |old(~a28~0)|))) (or .cse3 .cse2 .cse4) (or .cse3 (not (<= 1 |old(~a19~0)|)) .cse4 (= |old(~a11~0)| 1)) (or (= 8 |old(~a28~0)|) (= |old(~a19~0)| 1) .cse0 .cse1 .cse2) (or .cse0 (not (<= |old(~a28~0)| 7)) .cse1) (or .cse0 .cse1 .cse2 (not (<= |old(~a19~0)| 0))) (or .cse0 .cse1 (not (<= |old(~a11~0)| 0)))))) [2020-08-21 23:50:43,750 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,750 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,750 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,751 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-21 23:50:43,751 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-21 23:50:43,751 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-21 23:50:43,751 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-21 23:50:43,751 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-21 23:50:43,751 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-21 23:50:43,751 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-21 23:50:43,752 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-21 23:50:43,753 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-21 23:50:43,753 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-21 23:50:43,753 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-21 23:50:43,753 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-21 23:50:43,753 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-21 23:50:43,753 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,754 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,754 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,754 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,754 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,754 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,754 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-21 23:50:43,754 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-21 23:50:43,755 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-21 23:50:43,755 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-21 23:50:43,755 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-21 23:50:43,755 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-21 23:50:43,755 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-21 23:50:43,755 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-21 23:50:43,755 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-21 23:50:43,755 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-21 23:50:43,756 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-21 23:50:43,756 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-21 23:50:43,756 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-21 23:50:43,756 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-21 23:50:43,756 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-21 23:50:43,756 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-21 23:50:43,756 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,756 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,757 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,757 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,757 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 23:50:43,757 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-21 23:50:43,757 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-21 23:50:43,757 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-21 23:50:43,757 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-21 23:50:43,757 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-21 23:50:43,757 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-21 23:50:43,758 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-21 23:50:43,758 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-21 23:50:43,758 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-21 23:50:43,758 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-21 23:50:43,758 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-21 23:50:43,758 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-21 23:50:43,758 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-21 23:50:43,758 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-21 23:50:43,759 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-21 23:50:43,759 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-21 23:50:43,759 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-21 23:50:43,759 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-21 23:50:43,759 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-21 23:50:43,759 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 23:50:43,760 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a17~0 8) (<= ~a28~0 7) (<= 1 ~a19~0)) [2020-08-21 23:50:43,760 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 23:50:43,760 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 23:50:43,760 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (<= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a11~0)| 0))) [2020-08-21 23:50:43,760 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= ~a17~0 8)) (.cse1 (not (= ~a28~0 11))) (.cse2 (<= ~a17~0 8))) (or (not (<= |old(~a28~0)| 7)) (and .cse0 (not (= ~a11~0 1)) (<= 1 ~a19~0)) (and .cse0 .cse1) (not (<= 1 |old(~a19~0)|)) (and (not (= ~a28~0 8)) (not (= ~a19~0 1)) .cse2 .cse1) (not (= 8 |old(~a17~0)|)) (and (<= 10 ~a28~0) .cse2 .cse1) (and (<= ~a19~0 0) .cse2 .cse1) (and (<= ~a11~0 0) .cse2) (not (<= |old(~a11~0)| 0)) (and .cse2 (<= ~a28~0 7)))) [2020-08-21 23:50:43,760 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-21 23:50:43,761 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-21 23:50:43,761 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= ~a17~0 8)) (.cse1 (not (= ~a28~0 11))) (.cse2 (<= ~a17~0 8))) (or (not (<= |old(~a28~0)| 7)) (and .cse0 (not (= ~a11~0 1)) (<= 1 ~a19~0)) (and .cse0 .cse1) (not (<= 1 |old(~a19~0)|)) (and (not (= ~a28~0 8)) (not (= ~a19~0 1)) .cse2 .cse1) (not (= 8 |old(~a17~0)|)) (and (<= 10 ~a28~0) .cse2 .cse1) (and (<= ~a19~0 0) .cse2 .cse1) (and (<= ~a11~0 0) .cse2) (not (<= |old(~a11~0)| 0)) (and .cse2 (<= ~a28~0 7)))) [2020-08-21 23:50:43,761 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-21 23:50:43,761 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-21 23:50:43,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 11:50:43 BoogieIcfgContainer [2020-08-21 23:50:43,793 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 23:50:43,796 INFO L168 Benchmark]: Toolchain (without parser) took 20875.24 ms. Allocated memory was 137.9 MB in the beginning and 529.0 MB in the end (delta: 391.1 MB). Free memory was 99.1 MB in the beginning and 346.9 MB in the end (delta: -247.8 MB). Peak memory consumption was 414.0 MB. Max. memory is 7.1 GB. [2020-08-21 23:50:43,798 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 23:50:43,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 820.71 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 98.9 MB in the beginning and 167.8 MB in the end (delta: -68.9 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2020-08-21 23:50:43,810 INFO L168 Benchmark]: Boogie Preprocessor took 167.95 ms. Allocated memory is still 202.4 MB. Free memory was 167.8 MB in the beginning and 162.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-08-21 23:50:43,811 INFO L168 Benchmark]: RCFGBuilder took 1422.98 ms. Allocated memory was 202.4 MB in the beginning and 232.3 MB in the end (delta: 29.9 MB). Free memory was 162.7 MB in the beginning and 177.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-08-21 23:50:43,814 INFO L168 Benchmark]: TraceAbstraction took 18458.44 ms. Allocated memory was 232.3 MB in the beginning and 529.0 MB in the end (delta: 296.7 MB). Free memory was 176.4 MB in the beginning and 346.9 MB in the end (delta: -170.5 MB). Peak memory consumption was 397.0 MB. Max. memory is 7.1 GB. [2020-08-21 23:50:43,820 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 820.71 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 98.9 MB in the beginning and 167.8 MB in the end (delta: -68.9 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 167.95 ms. Allocated memory is still 202.4 MB. Free memory was 167.8 MB in the beginning and 162.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1422.98 ms. Allocated memory was 202.4 MB in the beginning and 232.3 MB in the end (delta: 29.9 MB). Free memory was 162.7 MB in the beginning and 177.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18458.44 ms. Allocated memory was 232.3 MB in the beginning and 529.0 MB in the end (delta: 296.7 MB). Free memory was 176.4 MB in the beginning and 346.9 MB in the end (delta: -170.5 MB). Peak memory consumption was 397.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 538]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((!(\old(a28) <= 7) || ((a17 == 8 && !(a11 == 1)) && 1 <= a19)) || (a17 == 8 && !(a28 == 11))) || !(1 <= \old(a19))) || (((!(a28 == 8) && !(a19 == 1)) && a17 <= 8) && !(a28 == 11))) || !(8 == \old(a17))) || ((10 <= a28 && a17 <= 8) && !(a28 == 11))) || ((a19 <= 0 && a17 <= 8) && !(a28 == 11))) || (a11 <= 0 && a17 <= 8)) || !(\old(a11) <= 0)) || (a17 <= 8 && a28 <= 7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.8s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 219 SDtfs, 4471 SDslu, 363 SDs, 0 SdLazy, 7053 SolverSat, 1626 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4276occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 1103 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 146 PreInvPairs, 298 NumberOfFragments, 464 HoareAnnotationTreeSize, 146 FomulaSimplifications, 43068 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4962 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 950 NumberOfCodeBlocks, 950 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 945 ConstructedInterpolants, 0 QuantifiedInterpolants, 479950 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 415/432 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...