/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:53:28,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:53:28,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:53:28,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-22 16:53:28,562 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 16:53:28,584 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:53:28,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:53:28,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:53:28,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:53:28,586 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:53:28,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:53:28,587 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:53:28,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:53:28,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:53:28,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:53:28,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:53:28,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:53:28,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:53:28,588 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:53:28,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:53:28,588 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:53:28,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:53:28,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:53:28,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:53:28,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:53:28,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:53:28,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:53:28,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:53:28,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:53:28,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:53:28,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:53:28,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:53:28,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:53:28,591 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:53:28,591 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:53:28,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:53:28,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:53:28,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:53:28,945 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:53:28,946 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:53:28,946 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-08-22 16:53:29,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b85d88110/c49aa1aacfd24e68a9b3471b87ed3b64/FLAG246154802 [2020-08-22 16:53:29,497 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:53:29,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-08-22 16:53:29,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b85d88110/c49aa1aacfd24e68a9b3471b87ed3b64/FLAG246154802 [2020-08-22 16:53:29,826 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b85d88110/c49aa1aacfd24e68a9b3471b87ed3b64 [2020-08-22 16:53:29,837 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:53:29,838 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:53:29,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:53:29,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:53:29,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:53:29,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:53:29" (1/1) ... [2020-08-22 16:53:29,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@638aca3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:53:29, skipping insertion in model container [2020-08-22 16:53:29,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:53:29" (1/1) ... [2020-08-22 16:53:29,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:53:29,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:53:30,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:53:30,567 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:53:30,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:53:30,700 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:53:30,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:53:30 WrapperNode [2020-08-22 16:53:30,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:53:30,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:53:30,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:53:30,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:53:30,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:53:30" (1/1) ... [2020-08-22 16:53:30,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:53:30" (1/1) ... [2020-08-22 16:53:30,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:53:30" (1/1) ... [2020-08-22 16:53:30,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:53:30" (1/1) ... [2020-08-22 16:53:30,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:53:30" (1/1) ... [2020-08-22 16:53:30,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:53:30" (1/1) ... [2020-08-22 16:53:30,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:53:30" (1/1) ... [2020-08-22 16:53:30,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:53:30,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:53:30,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:53:30,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:53:30,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:53:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-08-22 16:53:30,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:53:30,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:53:30,916 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 16:53:30,917 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:53:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 16:53:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:53:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:53:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 16:53:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:53:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:53:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:53:32,259 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:53:32,259 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 16:53:32,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:53:32 BoogieIcfgContainer [2020-08-22 16:53:32,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:53:32,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:53:32,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:53:32,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:53:32,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:53:29" (1/3) ... [2020-08-22 16:53:32,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bbdaeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:53:32, skipping insertion in model container [2020-08-22 16:53:32,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:53:30" (2/3) ... [2020-08-22 16:53:32,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bbdaeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:53:32, skipping insertion in model container [2020-08-22 16:53:32,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:53:32" (3/3) ... [2020-08-22 16:53:32,274 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label45.c [2020-08-22 16:53:32,285 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:53:32,293 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:53:32,308 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:53:32,333 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:53:32,333 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:53:32,334 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:53:32,334 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:53:32,334 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:53:32,334 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:53:32,334 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:53:32,335 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:53:32,361 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-22 16:53:32,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-08-22 16:53:32,372 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:53:32,374 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] [2020-08-22 16:53:32,375 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:53:32,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:53:32,381 INFO L82 PathProgramCache]: Analyzing trace with hash 312365279, now seen corresponding path program 1 times [2020-08-22 16:53:32,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:53:32,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376911286] [2020-08-22 16:53:32,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:53:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:32,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:53:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:32,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:53:32,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376911286] [2020-08-22 16:53:32,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:53:32,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 16:53:32,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644170397] [2020-08-22 16:53:32,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 16:53:32,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:53:32,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 16:53:32,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 16:53:32,818 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-08-22 16:53:34,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:53:34,445 INFO L93 Difference]: Finished difference Result 596 states and 1021 transitions. [2020-08-22 16:53:34,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 16:53:34,447 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-08-22 16:53:34,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:53:34,464 INFO L225 Difference]: With dead ends: 596 [2020-08-22 16:53:34,464 INFO L226 Difference]: Without dead ends: 302 [2020-08-22 16:53:34,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:53:34,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-08-22 16:53:34,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-08-22 16:53:34,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-08-22 16:53:34,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 430 transitions. [2020-08-22 16:53:34,543 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 430 transitions. Word has length 44 [2020-08-22 16:53:34,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:53:34,544 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 430 transitions. [2020-08-22 16:53:34,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 16:53:34,544 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 430 transitions. [2020-08-22 16:53:34,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-08-22 16:53:34,550 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:53:34,550 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, 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] [2020-08-22 16:53:34,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:53:34,551 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:53:34,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:53:34,551 INFO L82 PathProgramCache]: Analyzing trace with hash -269514694, now seen corresponding path program 1 times [2020-08-22 16:53:34,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:53:34,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191720093] [2020-08-22 16:53:34,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:53:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:34,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:53:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:34,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:53:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:34,863 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:53:34,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191720093] [2020-08-22 16:53:34,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:53:34,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:53:34,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361190512] [2020-08-22 16:53:34,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:53:34,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:53:34,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:53:34,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:53:34,867 INFO L87 Difference]: Start difference. First operand 298 states and 430 transitions. Second operand 8 states. [2020-08-22 16:53:36,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:53:36,953 INFO L93 Difference]: Finished difference Result 1198 states and 1805 transitions. [2020-08-22 16:53:36,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 16:53:36,954 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 118 [2020-08-22 16:53:36,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:53:36,962 INFO L225 Difference]: With dead ends: 1198 [2020-08-22 16:53:36,962 INFO L226 Difference]: Without dead ends: 906 [2020-08-22 16:53:36,964 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-22 16:53:36,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2020-08-22 16:53:37,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 894. [2020-08-22 16:53:37,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-08-22 16:53:37,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1231 transitions. [2020-08-22 16:53:37,036 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1231 transitions. Word has length 118 [2020-08-22 16:53:37,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:53:37,036 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1231 transitions. [2020-08-22 16:53:37,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:53:37,037 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1231 transitions. [2020-08-22 16:53:37,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-08-22 16:53:37,041 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:53:37,041 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, 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] [2020-08-22 16:53:37,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 16:53:37,041 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:53:37,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:53:37,042 INFO L82 PathProgramCache]: Analyzing trace with hash -681057027, now seen corresponding path program 1 times [2020-08-22 16:53:37,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:53:37,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669033565] [2020-08-22 16:53:37,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:53:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:37,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:53:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:37,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:53:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:37,323 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:53:37,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669033565] [2020-08-22 16:53:37,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924793101] [2020-08-22 16:53:37,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:53:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:37,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 9 conjunts are in the unsatisfiable core [2020-08-22 16:53:37,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:53:37,520 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-08-22 16:53:37,574 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-08-22 16:53:37,621 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-08-22 16:53:37,801 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-08-22 16:53:37,913 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:53:37,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:53:37,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2020-08-22 16:53:37,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871110895] [2020-08-22 16:53:37,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 16:53:37,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:53:37,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 16:53:37,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:53:37,916 INFO L87 Difference]: Start difference. First operand 894 states and 1231 transitions. Second operand 12 states. [2020-08-22 16:53:41,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:53:41,970 INFO L93 Difference]: Finished difference Result 2872 states and 4211 transitions. [2020-08-22 16:53:41,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-22 16:53:41,971 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 123 [2020-08-22 16:53:41,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:53:41,990 INFO L225 Difference]: With dead ends: 2872 [2020-08-22 16:53:41,990 INFO L226 Difference]: Without dead ends: 1957 [2020-08-22 16:53:41,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 121 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=139, Invalid=367, Unknown=0, NotChecked=0, Total=506 [2020-08-22 16:53:41,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1957 states. [2020-08-22 16:53:42,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1957 to 1925. [2020-08-22 16:53:42,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1925 states. [2020-08-22 16:53:42,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1925 states and 2667 transitions. [2020-08-22 16:53:42,111 INFO L78 Accepts]: Start accepts. Automaton has 1925 states and 2667 transitions. Word has length 123 [2020-08-22 16:53:42,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:53:42,112 INFO L479 AbstractCegarLoop]: Abstraction has 1925 states and 2667 transitions. [2020-08-22 16:53:42,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 16:53:42,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 2667 transitions. [2020-08-22 16:53:42,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-08-22 16:53:42,124 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:53:42,125 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, 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] [2020-08-22 16:53:42,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-08-22 16:53:42,334 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:53:42,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:53:42,335 INFO L82 PathProgramCache]: Analyzing trace with hash -255280675, now seen corresponding path program 1 times [2020-08-22 16:53:42,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:53:42,336 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882106695] [2020-08-22 16:53:42,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:53:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:42,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:53:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:42,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:53:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:42,640 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:53:42,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882106695] [2020-08-22 16:53:42,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:53:42,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:53:42,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147065958] [2020-08-22 16:53:42,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:53:42,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:53:42,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:53:42,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:53:42,643 INFO L87 Difference]: Start difference. First operand 1925 states and 2667 transitions. Second operand 8 states. [2020-08-22 16:53:44,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:53:44,237 INFO L93 Difference]: Finished difference Result 4647 states and 6874 transitions. [2020-08-22 16:53:44,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 16:53:44,237 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2020-08-22 16:53:44,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:53:44,259 INFO L225 Difference]: With dead ends: 4647 [2020-08-22 16:53:44,260 INFO L226 Difference]: Without dead ends: 2871 [2020-08-22 16:53:44,265 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-22 16:53:44,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2871 states. [2020-08-22 16:53:44,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2871 to 2527. [2020-08-22 16:53:44,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2527 states. [2020-08-22 16:53:44,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 2527 states and 3419 transitions. [2020-08-22 16:53:44,369 INFO L78 Accepts]: Start accepts. Automaton has 2527 states and 3419 transitions. Word has length 139 [2020-08-22 16:53:44,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:53:44,372 INFO L479 AbstractCegarLoop]: Abstraction has 2527 states and 3419 transitions. [2020-08-22 16:53:44,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:53:44,372 INFO L276 IsEmpty]: Start isEmpty. Operand 2527 states and 3419 transitions. [2020-08-22 16:53:44,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-08-22 16:53:44,374 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:53:44,374 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, 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] [2020-08-22 16:53:44,374 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 16:53:44,375 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:53:44,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:53:44,375 INFO L82 PathProgramCache]: Analyzing trace with hash -678088530, now seen corresponding path program 1 times [2020-08-22 16:53:44,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:53:44,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973519159] [2020-08-22 16:53:44,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:53:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:44,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:53:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:44,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:53:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:44,598 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:53:44,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973519159] [2020-08-22 16:53:44,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:53:44,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 16:53:44,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460461454] [2020-08-22 16:53:44,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 16:53:44,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:53:44,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 16:53:44,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:53:44,602 INFO L87 Difference]: Start difference. First operand 2527 states and 3419 transitions. Second operand 7 states. [2020-08-22 16:53:45,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:53:45,997 INFO L93 Difference]: Finished difference Result 5217 states and 7064 transitions. [2020-08-22 16:53:45,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 16:53:45,998 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2020-08-22 16:53:45,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:53:46,018 INFO L225 Difference]: With dead ends: 5217 [2020-08-22 16:53:46,018 INFO L226 Difference]: Without dead ends: 2696 [2020-08-22 16:53:46,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:53:46,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2696 states. [2020-08-22 16:53:46,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2696 to 2686. [2020-08-22 16:53:46,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2686 states. [2020-08-22 16:53:46,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2686 states to 2686 states and 3615 transitions. [2020-08-22 16:53:46,154 INFO L78 Accepts]: Start accepts. Automaton has 2686 states and 3615 transitions. Word has length 140 [2020-08-22 16:53:46,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:53:46,154 INFO L479 AbstractCegarLoop]: Abstraction has 2686 states and 3615 transitions. [2020-08-22 16:53:46,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 16:53:46,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 3615 transitions. [2020-08-22 16:53:46,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-08-22 16:53:46,161 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:53:46,162 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:53:46,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 16:53:46,162 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:53:46,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:53:46,163 INFO L82 PathProgramCache]: Analyzing trace with hash -657040215, now seen corresponding path program 1 times [2020-08-22 16:53:46,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:53:46,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419657727] [2020-08-22 16:53:46,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:53:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:46,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:53:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:46,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:53:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:46,503 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 16:53:46,503 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419657727] [2020-08-22 16:53:46,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764972286] [2020-08-22 16:53:46,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:53:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:46,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:53:46,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:53:46,813 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:53:46,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:53:46,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-08-22 16:53:46,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300292529] [2020-08-22 16:53:46,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:53:46,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:53:46,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:53:46,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:53:46,817 INFO L87 Difference]: Start difference. First operand 2686 states and 3615 transitions. Second operand 3 states. [2020-08-22 16:53:47,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:53:47,573 INFO L93 Difference]: Finished difference Result 3558 states and 4806 transitions. [2020-08-22 16:53:47,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:53:47,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2020-08-22 16:53:47,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:53:47,592 INFO L225 Difference]: With dead ends: 3558 [2020-08-22 16:53:47,593 INFO L226 Difference]: Without dead ends: 3556 [2020-08-22 16:53:47,596 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:53:47,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3556 states. [2020-08-22 16:53:47,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3556 to 2978. [2020-08-22 16:53:47,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2978 states. [2020-08-22 16:53:47,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 2978 states and 4060 transitions. [2020-08-22 16:53:47,691 INFO L78 Accepts]: Start accepts. Automaton has 2978 states and 4060 transitions. Word has length 181 [2020-08-22 16:53:47,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:53:47,692 INFO L479 AbstractCegarLoop]: Abstraction has 2978 states and 4060 transitions. [2020-08-22 16:53:47,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:53:47,692 INFO L276 IsEmpty]: Start isEmpty. Operand 2978 states and 4060 transitions. [2020-08-22 16:53:47,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-08-22 16:53:47,695 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:53:47,696 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-08-22 16:53:47,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:53:47,909 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:53:47,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:53:47,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1538101510, now seen corresponding path program 1 times [2020-08-22 16:53:47,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:53:47,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764195725] [2020-08-22 16:53:47,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:53:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:47,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:53:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:48,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:53:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:48,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 16:53:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:48,167 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 16:53:48,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764195725] [2020-08-22 16:53:48,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450727466] [2020-08-22 16:53:48,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:53:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:48,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:53:48,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:53:48,422 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:53:48,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:53:48,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2020-08-22 16:53:48,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481925319] [2020-08-22 16:53:48,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 16:53:48,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:53:48,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 16:53:48,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:53:48,426 INFO L87 Difference]: Start difference. First operand 2978 states and 4060 transitions. Second operand 12 states. [2020-08-22 16:53:52,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:53:52,981 INFO L93 Difference]: Finished difference Result 7724 states and 10913 transitions. [2020-08-22 16:53:52,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-22 16:53:52,981 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 193 [2020-08-22 16:53:52,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:53:53,010 INFO L225 Difference]: With dead ends: 7724 [2020-08-22 16:53:53,010 INFO L226 Difference]: Without dead ends: 4895 [2020-08-22 16:53:53,020 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=195, Invalid=675, Unknown=0, NotChecked=0, Total=870 [2020-08-22 16:53:53,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4895 states. [2020-08-22 16:53:53,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4895 to 3864. [2020-08-22 16:53:53,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3864 states. [2020-08-22 16:53:53,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 4885 transitions. [2020-08-22 16:53:53,154 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 4885 transitions. Word has length 193 [2020-08-22 16:53:53,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:53:53,155 INFO L479 AbstractCegarLoop]: Abstraction has 3864 states and 4885 transitions. [2020-08-22 16:53:53,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 16:53:53,155 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 4885 transitions. [2020-08-22 16:53:53,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-08-22 16:53:53,161 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:53:53,162 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-08-22 16:53:53,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:53:53,377 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:53:53,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:53:53,377 INFO L82 PathProgramCache]: Analyzing trace with hash -2106971840, now seen corresponding path program 1 times [2020-08-22 16:53:53,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:53:53,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850330806] [2020-08-22 16:53:53,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:53:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:53,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:53:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:53,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:53:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:53,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-22 16:53:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:53,729 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 153 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 16:53:53,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850330806] [2020-08-22 16:53:53,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31484997] [2020-08-22 16:53:53,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:53:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:53,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:53:53,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:53:54,021 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 154 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:53:54,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:53:54,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-08-22 16:53:54,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954945236] [2020-08-22 16:53:54,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:53:54,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:53:54,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:53:54,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:53:54,031 INFO L87 Difference]: Start difference. First operand 3864 states and 4885 transitions. Second operand 10 states. [2020-08-22 16:53:58,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:53:58,364 INFO L93 Difference]: Finished difference Result 7595 states and 9663 transitions. [2020-08-22 16:53:58,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-22 16:53:58,365 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 241 [2020-08-22 16:53:58,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:53:58,384 INFO L225 Difference]: With dead ends: 7595 [2020-08-22 16:53:58,384 INFO L226 Difference]: Without dead ends: 3880 [2020-08-22 16:53:58,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-08-22 16:53:58,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3880 states. [2020-08-22 16:53:58,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3880 to 3578. [2020-08-22 16:53:58,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3578 states. [2020-08-22 16:53:58,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 3578 states and 4239 transitions. [2020-08-22 16:53:58,489 INFO L78 Accepts]: Start accepts. Automaton has 3578 states and 4239 transitions. Word has length 241 [2020-08-22 16:53:58,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:53:58,490 INFO L479 AbstractCegarLoop]: Abstraction has 3578 states and 4239 transitions. [2020-08-22 16:53:58,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:53:58,490 INFO L276 IsEmpty]: Start isEmpty. Operand 3578 states and 4239 transitions. [2020-08-22 16:53:58,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-08-22 16:53:58,499 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:53:58,499 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-22 16:53:58,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:53:58,714 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:53:58,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:53:58,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1367628375, now seen corresponding path program 1 times [2020-08-22 16:53:58,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:53:58,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379266275] [2020-08-22 16:53:58,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:53:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:58,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:53:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:58,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:53:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:58,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 16:53:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:59,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-08-22 16:53:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:59,372 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 119 proven. 204 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-22 16:53:59,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379266275] [2020-08-22 16:53:59,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261877894] [2020-08-22 16:53:59,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:53:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:59,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 13 conjunts are in the unsatisfiable core [2020-08-22 16:53:59,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:53:59,568 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-08-22 16:53:59,574 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-08-22 16:53:59,605 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-08-22 16:54:00,712 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 19 proven. 113 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2020-08-22 16:54:00,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:54:00,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6] total 14 [2020-08-22 16:54:00,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108149817] [2020-08-22 16:54:00,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 16:54:00,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:00,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 16:54:00,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-08-22 16:54:00,715 INFO L87 Difference]: Start difference. First operand 3578 states and 4239 transitions. Second operand 14 states. [2020-08-22 16:54:06,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:06,099 INFO L93 Difference]: Finished difference Result 8069 states and 9590 transitions. [2020-08-22 16:54:06,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-22 16:54:06,099 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 279 [2020-08-22 16:54:06,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:06,131 INFO L225 Difference]: With dead ends: 8069 [2020-08-22 16:54:06,131 INFO L226 Difference]: Without dead ends: 4640 [2020-08-22 16:54:06,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=274, Invalid=986, Unknown=0, NotChecked=0, Total=1260 [2020-08-22 16:54:06,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4640 states. [2020-08-22 16:54:06,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4640 to 4053. [2020-08-22 16:54:06,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4053 states. [2020-08-22 16:54:06,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4053 states to 4053 states and 4729 transitions. [2020-08-22 16:54:06,254 INFO L78 Accepts]: Start accepts. Automaton has 4053 states and 4729 transitions. Word has length 279 [2020-08-22 16:54:06,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:06,255 INFO L479 AbstractCegarLoop]: Abstraction has 4053 states and 4729 transitions. [2020-08-22 16:54:06,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 16:54:06,255 INFO L276 IsEmpty]: Start isEmpty. Operand 4053 states and 4729 transitions. [2020-08-22 16:54:06,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-08-22 16:54:06,267 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:06,267 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-22 16:54:06,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:06,482 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:06,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:06,482 INFO L82 PathProgramCache]: Analyzing trace with hash -56569009, now seen corresponding path program 1 times [2020-08-22 16:54:06,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:06,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102097620] [2020-08-22 16:54:06,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:06,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:06,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:06,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-22 16:54:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:06,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-08-22 16:54:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:07,237 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 184 proven. 180 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-22 16:54:07,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102097620] [2020-08-22 16:54:07,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683205876] [2020-08-22 16:54:07,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:07,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:54:07,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:07,511 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2020-08-22 16:54:07,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:54:07,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2020-08-22 16:54:07,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935774054] [2020-08-22 16:54:07,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:54:07,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:07,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:54:07,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:54:07,516 INFO L87 Difference]: Start difference. First operand 4053 states and 4729 transitions. Second operand 3 states. [2020-08-22 16:54:08,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:08,258 INFO L93 Difference]: Finished difference Result 8386 states and 9833 transitions. [2020-08-22 16:54:08,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:54:08,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 337 [2020-08-22 16:54:08,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:08,262 INFO L225 Difference]: With dead ends: 8386 [2020-08-22 16:54:08,263 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 16:54:08,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:54:08,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 16:54:08,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 16:54:08,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 16:54:08,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 16:54:08,278 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 337 [2020-08-22 16:54:08,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:08,278 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 16:54:08,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:54:08,279 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 16:54:08,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 16:54:08,493 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:08,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 16:54:09,058 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 178 [2020-08-22 16:54:09,270 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 178 [2020-08-22 16:54:09,432 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2020-08-22 16:54:11,389 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 273 DAG size of output: 96 [2020-08-22 16:54:12,021 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 86 [2020-08-22 16:54:12,621 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 86 [2020-08-22 16:54:12,626 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:54:12,626 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-08-22 16:54:12,626 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:54:12,627 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-22 16:54:12,627 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,627 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,627 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,627 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,627 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,627 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,627 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-22 16:54:12,627 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-22 16:54:12,628 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-22 16:54:12,628 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-22 16:54:12,628 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-22 16:54:12,628 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-22 16:54:12,628 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-22 16:54:12,628 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-22 16:54:12,628 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-22 16:54:12,628 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-22 16:54:12,628 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-22 16:54:12,628 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,629 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,629 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,629 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,629 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,629 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-22 16:54:12,629 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-22 16:54:12,629 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-22 16:54:12,629 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-22 16:54:12,630 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-22 16:54:12,630 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-22 16:54:12,630 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-22 16:54:12,630 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-22 16:54:12,630 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-22 16:54:12,630 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-22 16:54:12,630 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-22 16:54:12,630 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-22 16:54:12,630 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-22 16:54:12,631 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2020-08-22 16:54:12,631 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-22 16:54:12,631 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,631 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,631 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,631 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,631 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,631 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-22 16:54:12,631 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-22 16:54:12,632 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-22 16:54:12,632 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-22 16:54:12,632 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-22 16:54:12,632 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-22 16:54:12,632 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-22 16:54:12,632 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-22 16:54:12,632 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-22 16:54:12,632 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-22 16:54:12,632 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,633 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,633 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,633 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,633 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,633 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-22 16:54:12,633 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-22 16:54:12,633 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-22 16:54:12,633 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-22 16:54:12,633 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-22 16:54:12,634 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-22 16:54:12,634 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-22 16:54:12,634 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-22 16:54:12,634 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-22 16:54:12,634 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-22 16:54:12,634 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-22 16:54:12,634 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-22 16:54:12,634 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-22 16:54:12,635 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,635 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,635 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,635 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,635 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,635 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-22 16:54:12,635 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-22 16:54:12,635 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-22 16:54:12,636 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-22 16:54:12,636 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-22 16:54:12,636 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-22 16:54:12,636 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-22 16:54:12,636 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-22 16:54:12,636 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-22 16:54:12,636 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,636 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,636 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,636 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,637 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,637 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,637 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,637 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-22 16:54:12,637 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-22 16:54:12,637 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-22 16:54:12,637 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-22 16:54:12,637 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-22 16:54:12,637 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-22 16:54:12,638 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-22 16:54:12,638 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-22 16:54:12,638 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-22 16:54:12,638 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-22 16:54:12,638 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-22 16:54:12,638 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-22 16:54:12,638 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-22 16:54:12,638 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,638 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,639 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,639 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,639 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-22 16:54:12,639 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,639 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,639 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-22 16:54:12,639 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-22 16:54:12,639 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-22 16:54:12,639 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-22 16:54:12,640 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-22 16:54:12,640 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-22 16:54:12,640 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-22 16:54:12,640 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-22 16:54:12,640 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-22 16:54:12,640 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-22 16:54:12,640 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-22 16:54:12,640 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-22 16:54:12,640 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-22 16:54:12,641 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,641 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,641 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,641 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,641 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,641 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,641 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-22 16:54:12,641 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-22 16:54:12,641 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-22 16:54:12,641 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-22 16:54:12,642 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-22 16:54:12,642 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-22 16:54:12,642 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-22 16:54:12,642 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-22 16:54:12,642 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-22 16:54:12,642 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-22 16:54:12,642 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-22 16:54:12,643 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse3 (= ~a1~0 |old(~a1~0)|)) (.cse4 (= ~a10~0 |old(~a10~0)|))) (let ((.cse5 (not (<= 9 |old(~a19~0)|))) (.cse7 (not (= |old(~a10~0)| 1))) (.cse0 (and .cse3 (= ~a19~0 |old(~a19~0)|) .cse4)) (.cse6 (not (<= |old(~a19~0)| 9))) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 (not (= 0 |old(~a10~0)|)) .cse2) (or .cse0 (not (<= |old(~a1~0)| 23)) .cse1 (not (<= |old(~a10~0)| 1)) .cse2) (or (not (<= |old(~a19~0)| 7)) .cse0 .cse1 .cse2) (or (and (<= 9 ~a19~0) (<= ~a19~0 9) .cse3 .cse4) .cse5 .cse6 .cse1 .cse2) (or .cse5 .cse7 .cse0 .cse1 .cse2) (or .cse0 .cse7 .cse1 (forall ((v_prenex_2 Int) (aux_div_18 Int)) (let ((.cse8 (* 5 aux_div_18)) (.cse9 (* 5 v_prenex_2))) (or (not (<= 0 (+ .cse8 .cse9 16))) (not (<= 0 (+ .cse8 4))) (not (<= (+ .cse9 1) 0)) (not (<= (+ v_prenex_2 331502) |old(~a1~0)|)) (not (<= .cse8 4)) (not (<= .cse8 3)) (not (<= (+ .cse8 .cse9 2) 0)) (not (<= 0 (+ .cse9 16))) (not (<= (+ .cse8 .cse9 1) 0))))) .cse2) (or (not (<= |old(~a10~0)| 0)) .cse0 .cse6 .cse1 .cse2) (or .cse0 (= 3 |old(~a10~0)|) (not (<= 2 |old(~a10~0)|)) .cse6 .cse1 .cse2)))) [2020-08-22 16:54:12,643 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-22 16:54:12,643 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-22 16:54:12,643 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-22 16:54:12,643 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,643 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,643 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,643 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,644 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,644 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,644 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-22 16:54:12,644 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-22 16:54:12,644 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-22 16:54:12,644 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-22 16:54:12,644 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-22 16:54:12,644 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-22 16:54:12,644 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-22 16:54:12,645 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-22 16:54:12,645 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-22 16:54:12,645 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-22 16:54:12,645 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-22 16:54:12,645 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-22 16:54:12,645 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-22 16:54:12,645 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,645 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,645 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,646 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,646 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,646 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,646 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-22 16:54:12,646 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-22 16:54:12,646 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-22 16:54:12,646 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-22 16:54:12,646 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-22 16:54:12,646 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-22 16:54:12,646 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-22 16:54:12,647 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-22 16:54:12,647 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-22 16:54:12,647 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-22 16:54:12,647 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-22 16:54:12,647 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-22 16:54:12,647 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,647 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,647 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,647 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,647 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,648 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:54:12,648 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-22 16:54:12,648 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-22 16:54:12,648 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-22 16:54:12,648 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-22 16:54:12,648 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-22 16:54:12,648 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-22 16:54:12,648 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-22 16:54:12,648 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-22 16:54:12,649 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-22 16:54:12,649 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-22 16:54:12,649 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-22 16:54:12,649 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-22 16:54:12,649 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:54:12,649 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (<= 9 ~a19~0) (= 14 ~a4~0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-08-22 16:54:12,649 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 16:54:12,649 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:54:12,650 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-08-22 16:54:12,650 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-22 16:54:12,650 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse5 (= ~a10~0 1)) (.cse2 (<= 9 ~a19~0)) (.cse0 (<= ~a1~0 23)) (.cse6 (= ~a10~0 |old(~a10~0)|)) (.cse4 (not (= ~a10~0 3))) (.cse3 (<= ~a19~0 9)) (.cse1 (= 0 |old(~a10~0)|))) (or (and (<= ~a10~0 1) .cse0 .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse3 (<= 2 ~a10~0) .cse1) (and (= ~a19~0 8) .cse5 (<= (+ |old(~a1~0)| 1657501) (* 5 ~a1~0))) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (and .cse1 .cse6) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= ~a19~0 7) .cse1) (and (<= ~a10~0 0) .cse3 .cse1) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and .cse5 .cse2 .cse1) (and (<= 23 ~a1~0) .cse2 .cse3 .cse0 .cse6) (and .cse4 (exists ((v_prenex_2 Int) (aux_div_18 Int)) (let ((.cse8 (* 5 v_prenex_2)) (.cse7 (* 5 aux_div_18))) (and (<= (+ v_prenex_2 331502) ~a1~0) (<= (+ .cse7 .cse8 2) 0) (<= 0 (+ .cse7 .cse8 16)) (<= 0 (+ .cse8 16)) (<= 0 (+ .cse7 4)) (<= (+ .cse7 .cse8 1) 0) (<= (+ .cse8 1) 0) (<= .cse7 4) (<= .cse7 3)))) .cse3 .cse1))) [2020-08-22 16:54:12,650 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-22 16:54:12,650 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-22 16:54:12,651 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse5 (= ~a10~0 1)) (.cse2 (<= 9 ~a19~0)) (.cse0 (<= ~a1~0 23)) (.cse6 (= ~a10~0 |old(~a10~0)|)) (.cse4 (not (= ~a10~0 3))) (.cse3 (<= ~a19~0 9)) (.cse1 (= 0 |old(~a10~0)|))) (or (and (<= ~a10~0 1) .cse0 .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse3 (<= 2 ~a10~0) .cse1) (and (= ~a19~0 8) .cse5 (<= (+ |old(~a1~0)| 1657501) (* 5 ~a1~0))) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (and .cse1 .cse6) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= ~a19~0 7) .cse1) (and (<= ~a10~0 0) .cse3 .cse1) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and .cse5 .cse2 .cse1) (and (<= 23 ~a1~0) .cse2 .cse3 .cse0 .cse6) (and .cse4 (exists ((v_prenex_2 Int) (aux_div_18 Int)) (let ((.cse8 (* 5 v_prenex_2)) (.cse7 (* 5 aux_div_18))) (and (<= (+ v_prenex_2 331502) ~a1~0) (<= (+ .cse7 .cse8 2) 0) (<= 0 (+ .cse7 .cse8 16)) (<= 0 (+ .cse8 16)) (<= 0 (+ .cse7 4)) (<= (+ .cse7 .cse8 1) 0) (<= (+ .cse8 1) 0) (<= .cse7 4) (<= .cse7 3)))) .cse3 .cse1))) [2020-08-22 16:54:12,651 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-22 16:54:12,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,675 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,676 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,676 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,676 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,677 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,677 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,677 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,677 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:54:12 BoogieIcfgContainer [2020-08-22 16:54:12,682 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:54:12,684 INFO L168 Benchmark]: Toolchain (without parser) took 42845.85 ms. Allocated memory was 139.5 MB in the beginning and 558.9 MB in the end (delta: 419.4 MB). Free memory was 101.2 MB in the beginning and 387.3 MB in the end (delta: -286.1 MB). Peak memory consumption was 419.0 MB. Max. memory is 7.1 GB. [2020-08-22 16:54:12,685 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 16:54:12,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 862.22 ms. Allocated memory was 139.5 MB in the beginning and 208.1 MB in the end (delta: 68.7 MB). Free memory was 101.0 MB in the beginning and 173.7 MB in the end (delta: -72.7 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-08-22 16:54:12,686 INFO L168 Benchmark]: Boogie Preprocessor took 132.32 ms. Allocated memory is still 208.1 MB. Free memory was 173.7 MB in the beginning and 169.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-08-22 16:54:12,687 INFO L168 Benchmark]: RCFGBuilder took 1430.88 ms. Allocated memory was 208.1 MB in the beginning and 238.0 MB in the end (delta: 29.9 MB). Free memory was 169.4 MB in the beginning and 182.0 MB in the end (delta: -12.7 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2020-08-22 16:54:12,688 INFO L168 Benchmark]: TraceAbstraction took 40415.38 ms. Allocated memory was 238.0 MB in the beginning and 558.9 MB in the end (delta: 320.9 MB). Free memory was 182.0 MB in the beginning and 387.3 MB in the end (delta: -205.3 MB). Peak memory consumption was 401.2 MB. Max. memory is 7.1 GB. [2020-08-22 16:54:12,691 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 862.22 ms. Allocated memory was 139.5 MB in the beginning and 208.1 MB in the end (delta: 68.7 MB). Free memory was 101.0 MB in the beginning and 173.7 MB in the end (delta: -72.7 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.32 ms. Allocated memory is still 208.1 MB. Free memory was 173.7 MB in the beginning and 169.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1430.88 ms. Allocated memory was 208.1 MB in the beginning and 238.0 MB in the end (delta: 29.9 MB). Free memory was 169.4 MB in the beginning and 182.0 MB in the end (delta: -12.7 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 40415.38 ms. Allocated memory was 238.0 MB in the beginning and 558.9 MB in the end (delta: 320.9 MB). Free memory was 182.0 MB in the beginning and 387.3 MB in the end (delta: -205.3 MB). Peak memory consumption was 401.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 118]: 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: 582]: Loop Invariant [2020-08-22 16:54:12,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,705 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,705 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,705 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,705 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,705 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,706 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,706 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,706 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-08-22 16:54:12,706 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] [2020-08-22 16:54:12,706 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_18,QUANTIFIED] Derived loop invariant: (((((((((((((((((a10 <= 1 && a1 <= 23) && 0 == \old(a10)) || ((9 <= a19 && a19 <= 9) && 0 == \old(a10))) || (((!(a10 == 3) && a19 <= 9) && 2 <= a10) && 0 == \old(a10))) || ((a19 == 8 && a10 == 1) && \old(a1) + 1657501 <= 5 * a1)) || !(a12 == 0)) || !(23 <= \old(a1))) || (0 == \old(a10) && a10 == \old(a10))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (a19 <= 7 && 0 == \old(a10))) || ((a10 <= 0 && a19 <= 9) && 0 == \old(a10))) || !(\old(a1) <= 23)) || !(14 == a4)) || !(\old(a19) <= 9)) || ((a10 == 1 && 9 <= a19) && 0 == \old(a10))) || ((((23 <= a1 && 9 <= a19) && a19 <= 9) && a1 <= 23) && a10 == \old(a10))) || (((!(a10 == 3) && (\exists v_prenex_2 : int, aux_div_18 : int :: (((((((v_prenex_2 + 331502 <= a1 && 5 * aux_div_18 + 5 * v_prenex_2 + 2 <= 0) && 0 <= 5 * aux_div_18 + 5 * v_prenex_2 + 16) && 0 <= 5 * v_prenex_2 + 16) && 0 <= 5 * aux_div_18 + 4) && 5 * aux_div_18 + 5 * v_prenex_2 + 1 <= 0) && 5 * v_prenex_2 + 1 <= 0) && 5 * aux_div_18 <= 4) && 5 * aux_div_18 <= 3)) && a19 <= 9) && 0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.1s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 26.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 502 SDtfs, 7167 SDslu, 528 SDs, 0 SdLazy, 14414 SolverSat, 2227 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 18.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1563 GetRequests, 1411 SyntacticMatches, 1 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4053occurred 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: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 2900 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 169 PreInvPairs, 233 NumberOfFragments, 799 HoareAnnotationTreeSize, 169 FomulaSimplifications, 29586 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8752 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 3149 NumberOfCodeBlocks, 3149 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3133 ConstructedInterpolants, 42 QuantifiedInterpolants, 3295320 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2404 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 1701/2261 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...