/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=SHALLOWEST --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/Problem01_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 19:47:35,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 19:47:35,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 19:47:35,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 19:47:35,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 19:47:35,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 19:47:35,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 19:47:35,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 19:47:35,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 19:47:35,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 19:47:35,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 19:47:35,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 19:47:35,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 19:47:35,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 19:47:35,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 19:47:35,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 19:47:35,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 19:47:35,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 19:47:35,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 19:47:35,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 19:47:35,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 19:47:35,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 19:47:35,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 19:47:35,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 19:47:35,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 19:47:35,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 19:47:35,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 19:47:35,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 19:47:35,611 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 19:47:35,635 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 19:47:35,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 19:47:35,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 19:47:35,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 19:47:35,637 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 19:47:35,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 19:47:35,637 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 19:47:35,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 19:47:35,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 19:47:35,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 19:47:35,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 19:47:35,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 19:47:35,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 19:47:35,639 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 19:47:35,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 19:47:35,639 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 19:47:35,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 19:47:35,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 19:47:35,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 19:47:35,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 19:47:35,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 19:47:35,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 19:47:35,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 19:47:35,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 19:47:35,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 19:47:35,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 19:47:35,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 19:47:35,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 19:47:35,642 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 19:47:35,642 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=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; [2020-08-21 19:47:35,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 19:47:35,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 19:47:35,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 19:47:35,980 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 19:47:35,980 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 19:47:35,981 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41.c [2020-08-21 19:47:36,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac4adb196/660195a8b7b242ea963e9e3eb8b931cc/FLAG4de6d94f9 [2020-08-21 19:47:36,694 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 19:47:36,696 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label41.c [2020-08-21 19:47:36,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac4adb196/660195a8b7b242ea963e9e3eb8b931cc/FLAG4de6d94f9 [2020-08-21 19:47:36,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac4adb196/660195a8b7b242ea963e9e3eb8b931cc [2020-08-21 19:47:36,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 19:47:36,974 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 19:47:36,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 19:47:36,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 19:47:36,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 19:47:36,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 07:47:36" (1/1) ... [2020-08-21 19:47:36,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1c8c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:47:36, skipping insertion in model container [2020-08-21 19:47:36,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 07:47:36" (1/1) ... [2020-08-21 19:47:36,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 19:47:37,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 19:47:37,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 19:47:37,541 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 19:47:37,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 19:47:37,741 INFO L208 MainTranslator]: Completed translation [2020-08-21 19:47:37,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:47:37 WrapperNode [2020-08-21 19:47:37,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 19:47:37,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 19:47:37,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 19:47:37,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 19:47:37,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:47:37" (1/1) ... [2020-08-21 19:47:37,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:47:37" (1/1) ... [2020-08-21 19:47:37,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:47:37" (1/1) ... [2020-08-21 19:47:37,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:47:37" (1/1) ... [2020-08-21 19:47:37,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:47:37" (1/1) ... [2020-08-21 19:47:37,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:47:37" (1/1) ... [2020-08-21 19:47:37,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:47:37" (1/1) ... [2020-08-21 19:47:37,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 19:47:37,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 19:47:37,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 19:47:37,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 19:47:37,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:47:37" (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 19:47:37,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 19:47:37,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 19:47:37,938 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 19:47:37,938 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 19:47:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 19:47:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 19:47:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 19:47:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 19:47:37,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 19:47:37,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 19:47:37,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 19:47:39,122 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 19:47:39,122 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 19:47:39,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:47:39 BoogieIcfgContainer [2020-08-21 19:47:39,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 19:47:39,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 19:47:39,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 19:47:39,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 19:47:39,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 07:47:36" (1/3) ... [2020-08-21 19:47:39,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e53bc1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 07:47:39, skipping insertion in model container [2020-08-21 19:47:39,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:47:37" (2/3) ... [2020-08-21 19:47:39,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e53bc1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 07:47:39, skipping insertion in model container [2020-08-21 19:47:39,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:47:39" (3/3) ... [2020-08-21 19:47:39,138 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label41.c [2020-08-21 19:47:39,150 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 19:47:39,158 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 19:47:39,173 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 19:47:39,201 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 19:47:39,201 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 19:47:39,202 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 19:47:39,202 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 19:47:39,202 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 19:47:39,202 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 19:47:39,203 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 19:47:39,203 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 19:47:39,228 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-08-21 19:47:39,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-08-21 19:47:39,239 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:47:39,240 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] [2020-08-21 19:47:39,241 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:47:39,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:47:39,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1692915649, now seen corresponding path program 1 times [2020-08-21 19:47:39,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:47:39,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [649657278] [2020-08-21 19:47:39,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:47:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:39,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:47:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:39,890 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 19:47:39,891 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [649657278] [2020-08-21 19:47:39,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:47:39,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 19:47:39,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944475681] [2020-08-21 19:47:39,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 19:47:39,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:47:39,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 19:47:39,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 19:47:39,918 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-08-21 19:47:41,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:47:41,493 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-08-21 19:47:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 19:47:41,499 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-08-21 19:47:41,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:47:41,527 INFO L225 Difference]: With dead ends: 557 [2020-08-21 19:47:41,527 INFO L226 Difference]: Without dead ends: 286 [2020-08-21 19:47:41,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 19:47:41,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-08-21 19:47:41,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-08-21 19:47:41,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-08-21 19:47:41,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2020-08-21 19:47:41,662 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 91 [2020-08-21 19:47:41,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:47:41,663 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2020-08-21 19:47:41,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 19:47:41,663 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2020-08-21 19:47:41,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-08-21 19:47:41,669 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:47:41,669 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-21 19:47:41,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 19:47:41,670 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:47:41,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:47:41,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1768869960, now seen corresponding path program 1 times [2020-08-21 19:47:41,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:47:41,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1308133250] [2020-08-21 19:47:41,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:47:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:41,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:47:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:41,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:47:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:41,851 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 19:47:41,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1308133250] [2020-08-21 19:47:41,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:47:41,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 19:47:41,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818954000] [2020-08-21 19:47:41,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 19:47:41,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:47:41,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 19:47:41,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 19:47:41,856 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 8 states. [2020-08-21 19:47:43,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:47:43,383 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2020-08-21 19:47:43,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 19:47:43,384 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 101 [2020-08-21 19:47:43,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:47:43,395 INFO L225 Difference]: With dead ends: 713 [2020-08-21 19:47:43,396 INFO L226 Difference]: Without dead ends: 439 [2020-08-21 19:47:43,398 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-08-21 19:47:43,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-08-21 19:47:43,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2020-08-21 19:47:43,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-08-21 19:47:43,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2020-08-21 19:47:43,435 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 101 [2020-08-21 19:47:43,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:47:43,435 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2020-08-21 19:47:43,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 19:47:43,436 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2020-08-21 19:47:43,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-08-21 19:47:43,439 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:47:43,440 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:47:43,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 19:47:43,440 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:47:43,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:47:43,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1027824070, now seen corresponding path program 1 times [2020-08-21 19:47:43,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:47:43,441 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [352557419] [2020-08-21 19:47:43,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:47:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:43,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:47:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:43,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:47:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:43,679 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 19:47:43,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [352557419] [2020-08-21 19:47:43,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:47:43,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 19:47:43,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564399589] [2020-08-21 19:47:43,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 19:47:43,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:47:43,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 19:47:43,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 19:47:43,682 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 5 states. [2020-08-21 19:47:44,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:47:44,726 INFO L93 Difference]: Finished difference Result 1257 states and 1810 transitions. [2020-08-21 19:47:44,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 19:47:44,731 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2020-08-21 19:47:44,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:47:44,737 INFO L225 Difference]: With dead ends: 1257 [2020-08-21 19:47:44,738 INFO L226 Difference]: Without dead ends: 842 [2020-08-21 19:47:44,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 19:47:44,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2020-08-21 19:47:44,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 836. [2020-08-21 19:47:44,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 836 states. [2020-08-21 19:47:44,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1150 transitions. [2020-08-21 19:47:44,804 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1150 transitions. Word has length 102 [2020-08-21 19:47:44,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:47:44,804 INFO L479 AbstractCegarLoop]: Abstraction has 836 states and 1150 transitions. [2020-08-21 19:47:44,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 19:47:44,805 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1150 transitions. [2020-08-21 19:47:44,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-08-21 19:47:44,812 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:47:44,812 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:47:44,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 19:47:44,813 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:47:44,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:47:44,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1016446174, now seen corresponding path program 1 times [2020-08-21 19:47:44,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:47:44,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [15143895] [2020-08-21 19:47:44,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:47:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:44,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:47:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:44,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:47:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:44,984 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 19:47:44,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [15143895] [2020-08-21 19:47:44,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:47:44,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 19:47:44,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668523145] [2020-08-21 19:47:44,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 19:47:44,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:47:44,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 19:47:44,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 19:47:44,987 INFO L87 Difference]: Start difference. First operand 836 states and 1150 transitions. Second operand 8 states. [2020-08-21 19:47:46,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:47:46,900 INFO L93 Difference]: Finished difference Result 2812 states and 4153 transitions. [2020-08-21 19:47:46,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 19:47:46,903 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 116 [2020-08-21 19:47:46,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:47:46,923 INFO L225 Difference]: With dead ends: 2812 [2020-08-21 19:47:46,923 INFO L226 Difference]: Without dead ends: 1982 [2020-08-21 19:47:46,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-21 19:47:46,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2020-08-21 19:47:47,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1543. [2020-08-21 19:47:47,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1543 states. [2020-08-21 19:47:47,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2052 transitions. [2020-08-21 19:47:47,035 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2052 transitions. Word has length 116 [2020-08-21 19:47:47,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:47:47,035 INFO L479 AbstractCegarLoop]: Abstraction has 1543 states and 2052 transitions. [2020-08-21 19:47:47,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 19:47:47,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2052 transitions. [2020-08-21 19:47:47,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-08-21 19:47:47,043 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:47:47,044 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:47:47,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 19:47:47,045 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:47:47,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:47:47,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1605716217, now seen corresponding path program 1 times [2020-08-21 19:47:47,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:47:47,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1141342084] [2020-08-21 19:47:47,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:47:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:47,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:47:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:47,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:47:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:47,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-21 19:47:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:47,276 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 19:47:47,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1141342084] [2020-08-21 19:47:47,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:47:47,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 19:47:47,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888152872] [2020-08-21 19:47:47,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 19:47:47,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:47:47,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 19:47:47,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 19:47:47,279 INFO L87 Difference]: Start difference. First operand 1543 states and 2052 transitions. Second operand 7 states. [2020-08-21 19:47:48,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:47:48,679 INFO L93 Difference]: Finished difference Result 3541 states and 4910 transitions. [2020-08-21 19:47:48,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 19:47:48,680 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 133 [2020-08-21 19:47:48,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:47:48,696 INFO L225 Difference]: With dead ends: 3541 [2020-08-21 19:47:48,696 INFO L226 Difference]: Without dead ends: 2004 [2020-08-21 19:47:48,705 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-08-21 19:47:48,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2020-08-21 19:47:48,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1684. [2020-08-21 19:47:48,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2020-08-21 19:47:48,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2237 transitions. [2020-08-21 19:47:48,795 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2237 transitions. Word has length 133 [2020-08-21 19:47:48,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:47:48,796 INFO L479 AbstractCegarLoop]: Abstraction has 1684 states and 2237 transitions. [2020-08-21 19:47:48,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 19:47:48,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2237 transitions. [2020-08-21 19:47:48,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-08-21 19:47:48,803 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:47:48,804 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:47:48,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 19:47:48,805 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:47:48,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:47:48,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1001122943, now seen corresponding path program 1 times [2020-08-21 19:47:48,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:47:48,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [907357999] [2020-08-21 19:47:48,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:47:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:48,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:47:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:48,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:47:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:48,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 19:47:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:49,126 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 19:47:49,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [907357999] [2020-08-21 19:47:49,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:47:49,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 19:47:49,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227548995] [2020-08-21 19:47:49,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 19:47:49,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:47:49,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 19:47:49,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 19:47:49,140 INFO L87 Difference]: Start difference. First operand 1684 states and 2237 transitions. Second operand 7 states. [2020-08-21 19:47:50,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:47:50,788 INFO L93 Difference]: Finished difference Result 3954 states and 5341 transitions. [2020-08-21 19:47:50,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 19:47:50,788 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 137 [2020-08-21 19:47:50,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:47:50,802 INFO L225 Difference]: With dead ends: 3954 [2020-08-21 19:47:50,802 INFO L226 Difference]: Without dead ends: 2276 [2020-08-21 19:47:50,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 19:47:50,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2276 states. [2020-08-21 19:47:50,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2276 to 1847. [2020-08-21 19:47:50,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1847 states. [2020-08-21 19:47:50,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1847 states and 2416 transitions. [2020-08-21 19:47:50,902 INFO L78 Accepts]: Start accepts. Automaton has 1847 states and 2416 transitions. Word has length 137 [2020-08-21 19:47:50,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:47:50,902 INFO L479 AbstractCegarLoop]: Abstraction has 1847 states and 2416 transitions. [2020-08-21 19:47:50,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 19:47:50,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2416 transitions. [2020-08-21 19:47:50,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-08-21 19:47:50,908 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:47:50,909 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:47:50,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 19:47:50,909 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:47:50,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:47:50,910 INFO L82 PathProgramCache]: Analyzing trace with hash -2028131037, now seen corresponding path program 1 times [2020-08-21 19:47:50,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:47:50,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1329681145] [2020-08-21 19:47:50,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:47:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:51,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:47:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:51,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:47:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:51,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 19:47:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:51,126 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-08-21 19:47:51,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1329681145] [2020-08-21 19:47:51,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:47:51,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 19:47:51,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70253675] [2020-08-21 19:47:51,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 19:47:51,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:47:51,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 19:47:51,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 19:47:51,130 INFO L87 Difference]: Start difference. First operand 1847 states and 2416 transitions. Second operand 5 states. [2020-08-21 19:47:52,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:47:52,229 INFO L93 Difference]: Finished difference Result 3698 states and 4849 transitions. [2020-08-21 19:47:52,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 19:47:52,230 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2020-08-21 19:47:52,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:47:52,240 INFO L225 Difference]: With dead ends: 3698 [2020-08-21 19:47:52,240 INFO L226 Difference]: Without dead ends: 1857 [2020-08-21 19:47:52,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 19:47:52,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2020-08-21 19:47:52,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1706. [2020-08-21 19:47:52,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1706 states. [2020-08-21 19:47:52,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 2118 transitions. [2020-08-21 19:47:52,309 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 2118 transitions. Word has length 155 [2020-08-21 19:47:52,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:47:52,309 INFO L479 AbstractCegarLoop]: Abstraction has 1706 states and 2118 transitions. [2020-08-21 19:47:52,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 19:47:52,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2118 transitions. [2020-08-21 19:47:52,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-08-21 19:47:52,315 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:47:52,316 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-21 19:47:52,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 19:47:52,316 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:47:52,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:47:52,317 INFO L82 PathProgramCache]: Analyzing trace with hash 152592045, now seen corresponding path program 1 times [2020-08-21 19:47:52,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:47:52,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1231539464] [2020-08-21 19:47:52,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:47:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:52,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:47:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:52,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:47:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:52,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 19:47:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:52,531 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 19:47:52,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1231539464] [2020-08-21 19:47:52,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:47:52,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 19:47:52,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452077796] [2020-08-21 19:47:52,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 19:47:52,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:47:52,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 19:47:52,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 19:47:52,534 INFO L87 Difference]: Start difference. First operand 1706 states and 2118 transitions. Second operand 7 states. [2020-08-21 19:47:53,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:47:53,934 INFO L93 Difference]: Finished difference Result 4024 states and 5217 transitions. [2020-08-21 19:47:53,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 19:47:53,935 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 157 [2020-08-21 19:47:53,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:47:53,947 INFO L225 Difference]: With dead ends: 4024 [2020-08-21 19:47:53,947 INFO L226 Difference]: Without dead ends: 2324 [2020-08-21 19:47:53,954 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 19:47:53,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2324 states. [2020-08-21 19:47:54,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2324 to 2149. [2020-08-21 19:47:54,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2149 states. [2020-08-21 19:47:54,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 2715 transitions. [2020-08-21 19:47:54,076 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 2715 transitions. Word has length 157 [2020-08-21 19:47:54,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:47:54,076 INFO L479 AbstractCegarLoop]: Abstraction has 2149 states and 2715 transitions. [2020-08-21 19:47:54,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 19:47:54,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2715 transitions. [2020-08-21 19:47:54,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-08-21 19:47:54,087 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:47:54,088 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:47:54,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 19:47:54,088 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:47:54,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:47:54,089 INFO L82 PathProgramCache]: Analyzing trace with hash 97285180, now seen corresponding path program 1 times [2020-08-21 19:47:54,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:47:54,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1603480751] [2020-08-21 19:47:54,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:47:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:54,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:47:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:54,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:47:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:54,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 19:47:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:54,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 19:47:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:54,389 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 83 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-08-21 19:47:54,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1603480751] [2020-08-21 19:47:54,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:47:54,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 19:47:54,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864579023] [2020-08-21 19:47:54,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 19:47:54,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:47:54,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 19:47:54,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 19:47:54,399 INFO L87 Difference]: Start difference. First operand 2149 states and 2715 transitions. Second operand 7 states. [2020-08-21 19:47:55,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:47:55,645 INFO L93 Difference]: Finished difference Result 4715 states and 5963 transitions. [2020-08-21 19:47:55,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 19:47:55,646 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 173 [2020-08-21 19:47:55,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:47:55,659 INFO L225 Difference]: With dead ends: 4715 [2020-08-21 19:47:55,660 INFO L226 Difference]: Without dead ends: 2572 [2020-08-21 19:47:55,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-21 19:47:55,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2572 states. [2020-08-21 19:47:55,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2572 to 2560. [2020-08-21 19:47:55,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2560 states. [2020-08-21 19:47:55,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2560 states and 3171 transitions. [2020-08-21 19:47:55,748 INFO L78 Accepts]: Start accepts. Automaton has 2560 states and 3171 transitions. Word has length 173 [2020-08-21 19:47:55,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:47:55,748 INFO L479 AbstractCegarLoop]: Abstraction has 2560 states and 3171 transitions. [2020-08-21 19:47:55,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 19:47:55,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 3171 transitions. [2020-08-21 19:47:55,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-08-21 19:47:55,758 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:47:55,759 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:47:55,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 19:47:55,760 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:47:55,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:47:55,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1408801773, now seen corresponding path program 1 times [2020-08-21 19:47:55,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:47:55,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [416205256] [2020-08-21 19:47:55,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:47:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:55,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:47:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:55,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:47:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:55,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-21 19:47:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:55,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 19:47:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:56,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-21 19:47:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:56,068 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 108 proven. 26 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-08-21 19:47:56,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [416205256] [2020-08-21 19:47:56,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:47:56,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 19:47:56,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314787983] [2020-08-21 19:47:56,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 19:47:56,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:47:56,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 19:47:56,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 19:47:56,075 INFO L87 Difference]: Start difference. First operand 2560 states and 3171 transitions. Second operand 7 states. [2020-08-21 19:47:57,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:47:57,324 INFO L93 Difference]: Finished difference Result 5009 states and 6283 transitions. [2020-08-21 19:47:57,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 19:47:57,324 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 195 [2020-08-21 19:47:57,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:47:57,336 INFO L225 Difference]: With dead ends: 5009 [2020-08-21 19:47:57,337 INFO L226 Difference]: Without dead ends: 2590 [2020-08-21 19:47:57,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 19:47:57,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2590 states. [2020-08-21 19:47:57,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2590 to 2292. [2020-08-21 19:47:57,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2292 states. [2020-08-21 19:47:57,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 2804 transitions. [2020-08-21 19:47:57,410 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 2804 transitions. Word has length 195 [2020-08-21 19:47:57,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:47:57,411 INFO L479 AbstractCegarLoop]: Abstraction has 2292 states and 2804 transitions. [2020-08-21 19:47:57,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 19:47:57,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 2804 transitions. [2020-08-21 19:47:57,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-21 19:47:57,418 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:47:57,418 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-08-21 19:47:57,419 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 19:47:57,419 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:47:57,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:47:57,419 INFO L82 PathProgramCache]: Analyzing trace with hash 740758918, now seen corresponding path program 1 times [2020-08-21 19:47:57,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:47:57,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [369726019] [2020-08-21 19:47:57,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:47:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:57,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:47:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:57,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:47:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:57,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 19:47:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:57,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-08-21 19:47:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:47:57,747 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 110 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-08-21 19:47:57,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [369726019] [2020-08-21 19:47:57,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:47:57,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 19:47:57,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352496227] [2020-08-21 19:47:57,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 19:47:57,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:47:57,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 19:47:57,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 19:47:57,751 INFO L87 Difference]: Start difference. First operand 2292 states and 2804 transitions. Second operand 5 states. [2020-08-21 19:47:58,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:47:58,842 INFO L93 Difference]: Finished difference Result 4443 states and 5460 transitions. [2020-08-21 19:47:58,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 19:47:58,843 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 207 [2020-08-21 19:47:58,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:47:58,844 INFO L225 Difference]: With dead ends: 4443 [2020-08-21 19:47:58,844 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 19:47:58,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 19:47:58,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 19:47:58,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 19:47:58,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 19:47:58,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 19:47:58,853 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2020-08-21 19:47:58,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:47:58,853 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 19:47:58,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 19:47:58,853 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 19:47:58,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 19:47:58,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-21 19:47:58,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 19:47:59,457 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 125 [2020-08-21 19:47:59,643 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 125 [2020-08-21 19:48:00,507 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 48 [2020-08-21 19:48:00,896 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 40 [2020-08-21 19:48:01,263 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 40 [2020-08-21 19:48:01,267 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 19:48:01,268 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-08-21 19:48:01,269 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 19:48:01,269 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-08-21 19:48:01,269 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-08-21 19:48:01,269 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,269 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,270 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,270 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,270 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,270 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,270 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-08-21 19:48:01,270 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-08-21 19:48:01,270 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-21 19:48:01,271 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-21 19:48:01,271 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-21 19:48:01,271 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-21 19:48:01,271 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-08-21 19:48:01,271 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-08-21 19:48:01,271 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-08-21 19:48:01,271 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-08-21 19:48:01,271 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,272 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,272 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,272 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,272 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,272 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,272 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-08-21 19:48:01,272 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-08-21 19:48:01,273 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-21 19:48:01,273 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-21 19:48:01,273 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-08-21 19:48:01,273 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-08-21 19:48:01,273 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-08-21 19:48:01,273 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-08-21 19:48:01,273 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-08-21 19:48:01,274 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-08-21 19:48:01,274 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-08-21 19:48:01,274 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 431) no Hoare annotation was computed. [2020-08-21 19:48:01,274 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-08-21 19:48:01,274 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-08-21 19:48:01,274 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-08-21 19:48:01,274 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-08-21 19:48:01,275 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,275 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,275 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,275 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,275 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,275 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-08-21 19:48:01,275 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-08-21 19:48:01,275 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-21 19:48:01,276 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-21 19:48:01,276 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-08-21 19:48:01,276 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-21 19:48:01,276 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-08-21 19:48:01,276 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-08-21 19:48:01,276 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-08-21 19:48:01,276 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,276 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,277 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,277 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,277 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,277 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-08-21 19:48:01,277 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-21 19:48:01,277 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-08-21 19:48:01,277 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-21 19:48:01,277 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-21 19:48:01,278 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-08-21 19:48:01,278 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-08-21 19:48:01,278 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-08-21 19:48:01,278 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-08-21 19:48:01,278 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-08-21 19:48:01,278 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-08-21 19:48:01,278 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-08-21 19:48:01,278 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-08-21 19:48:01,278 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,279 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,279 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,279 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,279 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,279 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-08-21 19:48:01,279 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-08-21 19:48:01,279 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-08-21 19:48:01,280 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-08-21 19:48:01,280 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-08-21 19:48:01,280 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-21 19:48:01,280 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-21 19:48:01,280 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-08-21 19:48:01,280 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-08-21 19:48:01,280 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,280 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,281 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,281 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,281 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,281 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,281 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-08-21 19:48:01,281 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,281 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-08-21 19:48:01,282 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-08-21 19:48:01,282 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-08-21 19:48:01,282 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-21 19:48:01,282 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-21 19:48:01,282 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-21 19:48:01,282 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-08-21 19:48:01,282 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-08-21 19:48:01,282 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-08-21 19:48:01,282 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-08-21 19:48:01,283 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-08-21 19:48:01,283 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-08-21 19:48:01,283 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-08-21 19:48:01,283 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,283 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,283 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,283 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,283 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,284 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-08-21 19:48:01,284 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-21 19:48:01,284 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-08-21 19:48:01,284 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-21 19:48:01,284 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-21 19:48:01,284 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-08-21 19:48:01,284 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-08-21 19:48:01,284 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-08-21 19:48:01,285 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,285 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,285 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,285 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,285 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,285 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-08-21 19:48:01,285 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-08-21 19:48:01,286 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-08-21 19:48:01,286 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-08-21 19:48:01,286 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-08-21 19:48:01,286 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-08-21 19:48:01,286 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-21 19:48:01,286 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-21 19:48:01,286 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-08-21 19:48:01,286 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-08-21 19:48:01,287 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse4 (= |old(~a21~0)| 1)) (.cse11 (= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a7~0 |old(~a7~0)|)) (.cse7 (= ~a21~0 |old(~a21~0)|)) (.cse8 (= ~a20~0 |old(~a20~0)|)) (.cse9 (= ~a16~0 |old(~a16~0)|)) (.cse10 (= ~a8~0 |old(~a8~0)|))) (let ((.cse1 (and .cse11 .cse6 .cse7 .cse8 .cse9 .cse10)) (.cse2 (= |old(~a17~0)| 1)) (.cse3 (not (= |old(~a20~0)| 1))) (.cse5 (not .cse4)) (.cse0 (not (<= |old(~a16~0)| 5)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse0 .cse1 .cse4) (or (not (<= 15 |old(~a8~0)|)) .cse1 .cse5) (or (and .cse6 .cse7 .cse8 .cse9 .cse10 (= ~a17~0 1)) (not .cse2) .cse3 .cse5) (or (= |old(~a8~0)| 13) .cse0 (and .cse11 .cse6 .cse8 .cse7 .cse9 .cse10))))) [2020-08-21 19:48:01,287 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-08-21 19:48:01,287 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,287 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,287 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,287 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,287 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-08-21 19:48:01,287 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,288 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,288 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-08-21 19:48:01,288 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-08-21 19:48:01,288 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-08-21 19:48:01,288 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-08-21 19:48:01,288 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-21 19:48:01,288 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-21 19:48:01,288 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-08-21 19:48:01,288 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-08-21 19:48:01,288 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-08-21 19:48:01,289 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-08-21 19:48:01,289 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-08-21 19:48:01,289 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-08-21 19:48:01,289 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,289 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,289 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,289 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,289 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,289 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-08-21 19:48:01,289 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,289 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-08-21 19:48:01,289 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-08-21 19:48:01,290 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-21 19:48:01,290 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-08-21 19:48:01,290 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-21 19:48:01,290 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-21 19:48:01,290 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-08-21 19:48:01,290 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-21 19:48:01,290 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-08-21 19:48:01,290 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-08-21 19:48:01,290 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-08-21 19:48:01,290 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-08-21 19:48:01,290 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-08-21 19:48:01,290 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-08-21 19:48:01,291 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,291 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,291 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,291 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,291 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,291 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 19:48:01,291 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-08-21 19:48:01,291 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-08-21 19:48:01,291 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-21 19:48:01,292 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-21 19:48:01,292 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-08-21 19:48:01,292 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-08-21 19:48:01,292 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-21 19:48:01,292 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-08-21 19:48:01,292 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-08-21 19:48:01,292 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-08-21 19:48:01,292 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 19:48:01,293 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (= ~a20~0 1) (= 5 ~a16~0) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-08-21 19:48:01,293 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 19:48:01,293 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 19:48:01,293 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (not (= 5 |old(~a16~0)|)) (not (= |old(~a21~0)| 1))) [2020-08-21 19:48:01,293 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-08-21 19:48:01,293 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a17~0 1))) (.cse3 (<= ~a16~0 5)) (.cse2 (= ~a21~0 1)) (.cse1 (= ~a20~0 1))) (or (and .cse0 .cse1) (not (= |old(~a17~0)| 1)) (and .cse2 (<= 15 ~a8~0)) (and .cse3 (not (= ~a8~0 13))) (and .cse3 .cse0) (not (<= 15 |old(~a8~0)|)) (and .cse3 (not .cse2)) (not (= |old(~a20~0)| 1)) (not (= 5 |old(~a16~0)|)) (and .cse2 .cse1) (not (= |old(~a21~0)| 1)))) [2020-08-21 19:48:01,294 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-08-21 19:48:01,294 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-21 19:48:01,294 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a17~0 1))) (.cse3 (<= ~a16~0 5)) (.cse2 (= ~a21~0 1)) (.cse1 (= ~a20~0 1))) (or (and .cse0 .cse1) (not (= |old(~a17~0)| 1)) (and .cse2 (<= 15 ~a8~0)) (and .cse3 (not (= ~a8~0 13))) (and .cse3 .cse0) (not (<= 15 |old(~a8~0)|)) (and .cse3 (not .cse2)) (not (= |old(~a20~0)| 1)) (not (= 5 |old(~a16~0)|)) (and .cse2 .cse1) (not (= |old(~a21~0)| 1)))) [2020-08-21 19:48:01,294 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-08-21 19:48:01,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 07:48:01 BoogieIcfgContainer [2020-08-21 19:48:01,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 19:48:01,327 INFO L168 Benchmark]: Toolchain (without parser) took 24353.66 ms. Allocated memory was 138.9 MB in the beginning and 513.8 MB in the end (delta: 374.9 MB). Free memory was 100.5 MB in the beginning and 102.2 MB in the end (delta: -1.6 MB). Peak memory consumption was 392.4 MB. Max. memory is 7.1 GB. [2020-08-21 19:48:01,328 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 19:48:01,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.78 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 100.3 MB in the beginning and 167.5 MB in the end (delta: -67.2 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2020-08-21 19:48:01,329 INFO L168 Benchmark]: Boogie Preprocessor took 108.72 ms. Allocated memory is still 203.4 MB. Free memory was 167.5 MB in the beginning and 162.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-08-21 19:48:01,330 INFO L168 Benchmark]: RCFGBuilder took 1277.48 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 162.4 MB in the beginning and 176.2 MB in the end (delta: -13.8 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2020-08-21 19:48:01,331 INFO L168 Benchmark]: TraceAbstraction took 22194.40 ms. Allocated memory was 235.4 MB in the beginning and 513.8 MB in the end (delta: 278.4 MB). Free memory was 176.2 MB in the beginning and 102.2 MB in the end (delta: 74.1 MB). Peak memory consumption was 371.7 MB. Max. memory is 7.1 GB. [2020-08-21 19:48:01,335 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 767.78 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 100.3 MB in the beginning and 167.5 MB in the end (delta: -67.2 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.72 ms. Allocated memory is still 203.4 MB. Free memory was 167.5 MB in the beginning and 162.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1277.48 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 162.4 MB in the beginning and 176.2 MB in the end (delta: -13.8 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22194.40 ms. Allocated memory was 235.4 MB in the beginning and 513.8 MB in the end (delta: 278.4 MB). Free memory was 176.2 MB in the beginning and 102.2 MB in the end (delta: 74.1 MB). Peak memory consumption was 371.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 431]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((!(a17 == 1) && a20 == 1) || !(\old(a17) == 1)) || (a21 == 1 && 15 <= a8)) || (a16 <= 5 && !(a8 == 13))) || (a16 <= 5 && !(a17 == 1))) || !(15 <= \old(a8))) || (a16 <= 5 && !(a21 == 1))) || !(\old(a20) == 1)) || !(5 == \old(a16))) || (a21 == 1 && a20 == 1)) || !(\old(a21) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.6s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 15.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 283 SDtfs, 4573 SDslu, 393 SDs, 0 SdLazy, 8093 SolverSat, 1462 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 83 SyntacticMatches, 2 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2560occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 1854 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 129 PreInvPairs, 161 NumberOfFragments, 418 HoareAnnotationTreeSize, 129 FomulaSimplifications, 354940 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 11399 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1567 NumberOfCodeBlocks, 1567 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1556 ConstructedInterpolants, 0 QuantifiedInterpolants, 613673 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 688/734 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...