/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/psyco/psyco_io_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 17:58:09,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 17:58:09,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 17:58:09,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 17:58:09,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 17:58:09,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 17:58:09,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 17:58:09,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 17:58:09,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 17:58:09,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 17:58:09,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 17:58:09,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 17:58:09,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 17:58:09,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 17:58:09,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 17:58:09,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 17:58:09,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 17:58:09,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 17:58:09,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 17:58:09,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 17:58:09,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 17:58:09,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 17:58:09,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 17:58:09,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 17:58:09,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 17:58:09,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 17:58:09,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 17:58:09,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 17:58:09,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 17:58:09,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-17 17:58:09,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 17:58:09,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 17:58:09,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 17:58:09,410 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 17:58:09,419 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 17:58:09,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 17:58:09,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 17:58:09,421 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 17:58:09,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 17:58:09,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 17:58:09,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 17:58:09,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 17:58:09,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 17:58:09,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 17:58:09,422 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 17:58:09,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 17:58:09,422 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 17:58:09,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 17:58:09,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 17:58:09,423 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 17:58:09,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 17:58:09,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 17:58:09,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 17:58:09,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 17:58:09,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 17:58:09,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 17:58:09,424 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-17 17:58:09,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 17:58:09,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 17:58:09,732 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 17:58:09,734 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 17:58:09,734 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 17:58:09,735 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_io_1.c [2020-07-17 17:58:09,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3819fe395/14677243bf0b4d3d832d0ddddb43daa3/FLAGe311a4f64 [2020-07-17 17:58:10,323 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 17:58:10,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_io_1.c [2020-07-17 17:58:10,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3819fe395/14677243bf0b4d3d832d0ddddb43daa3/FLAGe311a4f64 [2020-07-17 17:58:10,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3819fe395/14677243bf0b4d3d832d0ddddb43daa3 [2020-07-17 17:58:10,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 17:58:10,702 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 17:58:10,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 17:58:10,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 17:58:10,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 17:58:10,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:58:10" (1/1) ... [2020-07-17 17:58:10,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ff9ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:58:10, skipping insertion in model container [2020-07-17 17:58:10,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:58:10" (1/1) ... [2020-07-17 17:58:10,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 17:58:10,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 17:58:10,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:58:10,982 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 17:58:11,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:58:11,127 INFO L208 MainTranslator]: Completed translation [2020-07-17 17:58:11,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:58:11 WrapperNode [2020-07-17 17:58:11,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 17:58:11,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 17:58:11,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 17:58:11,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 17:58:11,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:58:11" (1/1) ... [2020-07-17 17:58:11,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:58:11" (1/1) ... [2020-07-17 17:58:11,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:58:11" (1/1) ... [2020-07-17 17:58:11,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:58:11" (1/1) ... [2020-07-17 17:58:11,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:58:11" (1/1) ... [2020-07-17 17:58:11,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:58:11" (1/1) ... [2020-07-17 17:58:11,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:58:11" (1/1) ... [2020-07-17 17:58:11,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 17:58:11,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 17:58:11,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 17:58:11,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 17:58:11,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:58:11" (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 [2020-07-17 17:58:11,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 17:58:11,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 17:58:11,251 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 17:58:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 17:58:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 17:58:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 17:58:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 17:58:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 17:58:11,820 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 17:58:11,820 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 17:58:11,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:58:11 BoogieIcfgContainer [2020-07-17 17:58:11,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 17:58:11,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 17:58:11,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 17:58:11,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 17:58:11,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 05:58:10" (1/3) ... [2020-07-17 17:58:11,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d64ae94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:58:11, skipping insertion in model container [2020-07-17 17:58:11,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:58:11" (2/3) ... [2020-07-17 17:58:11,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d64ae94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:58:11, skipping insertion in model container [2020-07-17 17:58:11,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:58:11" (3/3) ... [2020-07-17 17:58:11,838 INFO L109 eAbstractionObserver]: Analyzing ICFG psyco_io_1.c [2020-07-17 17:58:11,849 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 17:58:11,859 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 17:58:11,870 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 17:58:11,893 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 17:58:11,893 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 17:58:11,893 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 17:58:11,894 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 17:58:11,894 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 17:58:11,894 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 17:58:11,894 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 17:58:11,894 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 17:58:11,913 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states. [2020-07-17 17:58:11,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-17 17:58:11,927 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:58:11,928 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] [2020-07-17 17:58:11,929 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:58:11,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:58:11,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1735850516, now seen corresponding path program 1 times [2020-07-17 17:58:11,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:58:11,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1129263858] [2020-07-17 17:58:11,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:58:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:58:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:58:12,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 17:58:12,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1129263858] [2020-07-17 17:58:12,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:58:12,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 17:58:12,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771547366] [2020-07-17 17:58:12,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 17:58:12,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:58:12,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 17:58:12,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 17:58:12,181 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 3 states. [2020-07-17 17:58:12,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:58:12,372 INFO L93 Difference]: Finished difference Result 368 states and 482 transitions. [2020-07-17 17:58:12,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 17:58:12,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-07-17 17:58:12,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:58:12,388 INFO L225 Difference]: With dead ends: 368 [2020-07-17 17:58:12,388 INFO L226 Difference]: Without dead ends: 163 [2020-07-17 17:58:12,394 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 17:58:12,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-07-17 17:58:12,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-07-17 17:58:12,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-07-17 17:58:12,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 193 transitions. [2020-07-17 17:58:12,490 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 193 transitions. Word has length 35 [2020-07-17 17:58:12,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:58:12,490 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 193 transitions. [2020-07-17 17:58:12,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 17:58:12,491 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions. [2020-07-17 17:58:12,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-07-17 17:58:12,495 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:58:12,495 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] [2020-07-17 17:58:12,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 17:58:12,496 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:58:12,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:58:12,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1081886035, now seen corresponding path program 1 times [2020-07-17 17:58:12,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:58:12,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1124548385] [2020-07-17 17:58:12,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:58:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:58:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:58:12,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 17:58:12,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1124548385] [2020-07-17 17:58:12,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:58:12,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 17:58:12,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759001857] [2020-07-17 17:58:12,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 17:58:12,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:58:12,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 17:58:12,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 17:58:12,618 INFO L87 Difference]: Start difference. First operand 163 states and 193 transitions. Second operand 4 states. [2020-07-17 17:58:13,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:58:13,110 INFO L93 Difference]: Finished difference Result 327 states and 388 transitions. [2020-07-17 17:58:13,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 17:58:13,110 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-07-17 17:58:13,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:58:13,114 INFO L225 Difference]: With dead ends: 327 [2020-07-17 17:58:13,115 INFO L226 Difference]: Without dead ends: 178 [2020-07-17 17:58:13,120 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 17:58:13,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-07-17 17:58:13,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2020-07-17 17:58:13,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-07-17 17:58:13,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 208 transitions. [2020-07-17 17:58:13,177 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 208 transitions. Word has length 36 [2020-07-17 17:58:13,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:58:13,178 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 208 transitions. [2020-07-17 17:58:13,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 17:58:13,182 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 208 transitions. [2020-07-17 17:58:13,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-17 17:58:13,185 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:58:13,186 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-17 17:58:13,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 17:58:13,186 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:58:13,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:58:13,187 INFO L82 PathProgramCache]: Analyzing trace with hash 989236732, now seen corresponding path program 1 times [2020-07-17 17:58:13,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:58:13,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1273569817] [2020-07-17 17:58:13,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:58:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:58:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:58:13,302 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 17:58:13,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1273569817] [2020-07-17 17:58:13,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:58:13,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 17:58:13,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078109424] [2020-07-17 17:58:13,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 17:58:13,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:58:13,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 17:58:13,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 17:58:13,305 INFO L87 Difference]: Start difference. First operand 178 states and 208 transitions. Second operand 4 states. [2020-07-17 17:58:13,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:58:13,420 INFO L93 Difference]: Finished difference Result 323 states and 379 transitions. [2020-07-17 17:58:13,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 17:58:13,421 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-07-17 17:58:13,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:58:13,423 INFO L225 Difference]: With dead ends: 323 [2020-07-17 17:58:13,423 INFO L226 Difference]: Without dead ends: 160 [2020-07-17 17:58:13,424 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 [2020-07-17 17:58:13,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-17 17:58:13,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2020-07-17 17:58:13,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-07-17 17:58:13,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 184 transitions. [2020-07-17 17:58:13,448 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 184 transitions. Word has length 58 [2020-07-17 17:58:13,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:58:13,448 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 184 transitions. [2020-07-17 17:58:13,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 17:58:13,449 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 184 transitions. [2020-07-17 17:58:13,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-07-17 17:58:13,452 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:58:13,452 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-17 17:58:13,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 17:58:13,453 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:58:13,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:58:13,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1364131535, now seen corresponding path program 1 times [2020-07-17 17:58:13,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:58:13,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [497431141] [2020-07-17 17:58:13,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:58:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:58:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:58:13,563 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 17:58:13,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [497431141] [2020-07-17 17:58:13,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:58:13,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 17:58:13,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499656274] [2020-07-17 17:58:13,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 17:58:13,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:58:13,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 17:58:13,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 17:58:13,567 INFO L87 Difference]: Start difference. First operand 160 states and 184 transitions. Second operand 4 states. [2020-07-17 17:58:13,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:58:13,950 INFO L93 Difference]: Finished difference Result 380 states and 450 transitions. [2020-07-17 17:58:13,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 17:58:13,951 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 71 [2020-07-17 17:58:13,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:58:13,956 INFO L225 Difference]: With dead ends: 380 [2020-07-17 17:58:13,956 INFO L226 Difference]: Without dead ends: 255 [2020-07-17 17:58:13,958 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 [2020-07-17 17:58:13,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-07-17 17:58:13,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 249. [2020-07-17 17:58:13,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-07-17 17:58:14,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 290 transitions. [2020-07-17 17:58:14,001 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 290 transitions. Word has length 71 [2020-07-17 17:58:14,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:58:14,002 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 290 transitions. [2020-07-17 17:58:14,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 17:58:14,002 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 290 transitions. [2020-07-17 17:58:14,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-07-17 17:58:14,004 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:58:14,004 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-17 17:58:14,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 17:58:14,005 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:58:14,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:58:14,005 INFO L82 PathProgramCache]: Analyzing trace with hash -2059109809, now seen corresponding path program 1 times [2020-07-17 17:58:14,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:58:14,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1761987356] [2020-07-17 17:58:14,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:58:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:58:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:58:14,070 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 17:58:14,071 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1761987356] [2020-07-17 17:58:14,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:58:14,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 17:58:14,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076726244] [2020-07-17 17:58:14,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 17:58:14,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:58:14,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 17:58:14,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 17:58:14,073 INFO L87 Difference]: Start difference. First operand 249 states and 290 transitions. Second operand 4 states. [2020-07-17 17:58:14,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:58:14,297 INFO L93 Difference]: Finished difference Result 494 states and 576 transitions. [2020-07-17 17:58:14,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 17:58:14,298 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2020-07-17 17:58:14,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:58:14,300 INFO L225 Difference]: With dead ends: 494 [2020-07-17 17:58:14,300 INFO L226 Difference]: Without dead ends: 283 [2020-07-17 17:58:14,301 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 [2020-07-17 17:58:14,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-07-17 17:58:14,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 281. [2020-07-17 17:58:14,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-07-17 17:58:14,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 322 transitions. [2020-07-17 17:58:14,334 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 322 transitions. Word has length 72 [2020-07-17 17:58:14,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:58:14,335 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 322 transitions. [2020-07-17 17:58:14,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 17:58:14,335 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 322 transitions. [2020-07-17 17:58:14,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-17 17:58:14,337 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:58:14,338 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:58:14,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 17:58:14,338 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:58:14,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:58:14,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1063922455, now seen corresponding path program 1 times [2020-07-17 17:58:14,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:58:14,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [239215896] [2020-07-17 17:58:14,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:58:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:58:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:58:14,439 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-17 17:58:14,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [239215896] [2020-07-17 17:58:14,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:58:14,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 17:58:14,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849474714] [2020-07-17 17:58:14,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 17:58:14,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:58:14,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 17:58:14,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 17:58:14,443 INFO L87 Difference]: Start difference. First operand 281 states and 322 transitions. Second operand 4 states. [2020-07-17 17:58:14,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:58:14,653 INFO L93 Difference]: Finished difference Result 460 states and 530 transitions. [2020-07-17 17:58:14,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 17:58:14,654 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2020-07-17 17:58:14,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:58:14,656 INFO L225 Difference]: With dead ends: 460 [2020-07-17 17:58:14,656 INFO L226 Difference]: Without dead ends: 217 [2020-07-17 17:58:14,657 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 [2020-07-17 17:58:14,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-07-17 17:58:14,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2020-07-17 17:58:14,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-07-17 17:58:14,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 245 transitions. [2020-07-17 17:58:14,682 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 245 transitions. Word has length 111 [2020-07-17 17:58:14,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:58:14,683 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 245 transitions. [2020-07-17 17:58:14,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 17:58:14,683 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 245 transitions. [2020-07-17 17:58:14,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-17 17:58:14,685 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:58:14,685 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-17 17:58:14,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 17:58:14,686 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:58:14,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:58:14,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1519310599, now seen corresponding path program 1 times [2020-07-17 17:58:14,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:58:14,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972279267] [2020-07-17 17:58:14,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:58:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:58:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:58:14,806 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-17 17:58:14,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972279267] [2020-07-17 17:58:14,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:58:14,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 17:58:14,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999489085] [2020-07-17 17:58:14,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 17:58:14,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:58:14,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 17:58:14,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 17:58:14,809 INFO L87 Difference]: Start difference. First operand 217 states and 245 transitions. Second operand 5 states. [2020-07-17 17:58:15,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:58:15,231 INFO L93 Difference]: Finished difference Result 225 states and 253 transitions. [2020-07-17 17:58:15,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 17:58:15,232 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-07-17 17:58:15,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:58:15,232 INFO L225 Difference]: With dead ends: 225 [2020-07-17 17:58:15,233 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 17:58:15,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-17 17:58:15,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 17:58:15,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 17:58:15,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 17:58:15,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 17:58:15,235 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2020-07-17 17:58:15,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:58:15,235 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 17:58:15,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 17:58:15,236 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 17:58:15,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 17:58:15,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 17:58:15,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 17:58:18,565 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-17 17:58:18,566 INFO L271 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: true [2020-07-17 17:58:18,566 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_close~0 |old(~m_close~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_connect_2~0 |old(~m_connect_2~0)|)) [2020-07-17 17:58:18,566 INFO L271 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: true [2020-07-17 17:58:18,566 INFO L271 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: true [2020-07-17 17:58:18,566 INFO L271 CegarLoopResult]: At program point L7(line 7) the Hoare annotation is: true [2020-07-17 17:58:18,566 INFO L271 CegarLoopResult]: At program point L6(line 6) the Hoare annotation is: true [2020-07-17 17:58:18,567 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-17 17:58:18,567 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-17 17:58:18,567 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-17 17:58:18,567 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 17:58:18,567 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-17 17:58:18,567 INFO L264 CegarLoopResult]: At program point L250(line 250) the Hoare annotation is: false [2020-07-17 17:58:18,568 INFO L264 CegarLoopResult]: At program point L250-1(line 250) the Hoare annotation is: false [2020-07-17 17:58:18,568 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 13 344) the Hoare annotation is: true [2020-07-17 17:58:18,568 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: false [2020-07-17 17:58:18,568 INFO L264 CegarLoopResult]: At program point L118-1(line 118) the Hoare annotation is: false [2020-07-17 17:58:18,568 INFO L264 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (= 0 main_~q~0) [2020-07-17 17:58:18,568 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,569 INFO L264 CegarLoopResult]: At program point L234-1(line 234) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,569 INFO L264 CegarLoopResult]: At program point L36(lines 36 47) the Hoare annotation is: (and (= 0 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-17 17:58:18,569 INFO L264 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: false [2020-07-17 17:58:18,569 INFO L264 CegarLoopResult]: At program point L53(lines 53 104) the Hoare annotation is: (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~this_sink~0) (= 2 main_~q~0))) [2020-07-17 17:58:18,569 INFO L264 CegarLoopResult]: At program point L86-1(lines 86 101) the Hoare annotation is: false [2020-07-17 17:58:18,570 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (and (= 0 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-17 17:58:18,570 INFO L264 CegarLoopResult]: At program point L86-2(line 86) the Hoare annotation is: false [2020-07-17 17:58:18,570 INFO L264 CegarLoopResult]: At program point L86-3(line 86) the Hoare annotation is: false [2020-07-17 17:58:18,570 INFO L264 CegarLoopResult]: At program point L202(line 202) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,570 INFO L264 CegarLoopResult]: At program point L202-1(lines 202 217) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,570 INFO L264 CegarLoopResult]: At program point L202-2(line 202) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,571 INFO L264 CegarLoopResult]: At program point L202-3(line 202) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,571 INFO L264 CegarLoopResult]: At program point L70(line 70) the Hoare annotation is: false [2020-07-17 17:58:18,571 INFO L264 CegarLoopResult]: At program point L70-1(lines 70 85) the Hoare annotation is: false [2020-07-17 17:58:18,571 INFO L264 CegarLoopResult]: At program point L70-2(line 70) the Hoare annotation is: false [2020-07-17 17:58:18,571 INFO L264 CegarLoopResult]: At program point L70-3(line 70) the Hoare annotation is: false [2020-07-17 17:58:18,571 INFO L264 CegarLoopResult]: At program point L318(line 318) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,571 INFO L264 CegarLoopResult]: At program point L318-1(lines 318 333) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,572 INFO L264 CegarLoopResult]: At program point L318-2(line 318) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,572 INFO L264 CegarLoopResult]: At program point L318-3(line 318) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,572 INFO L264 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,572 INFO L264 CegarLoopResult]: At program point L186-1(lines 186 201) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,572 INFO L264 CegarLoopResult]: At program point L186-2(line 186) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,573 INFO L264 CegarLoopResult]: At program point L186-3(line 186) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,573 INFO L264 CegarLoopResult]: At program point L54(line 54) the Hoare annotation is: false [2020-07-17 17:58:18,573 INFO L264 CegarLoopResult]: At program point L54-1(lines 54 69) the Hoare annotation is: false [2020-07-17 17:58:18,573 INFO L264 CegarLoopResult]: At program point L54-2(line 54) the Hoare annotation is: false [2020-07-17 17:58:18,573 INFO L264 CegarLoopResult]: At program point L54-3(line 54) the Hoare annotation is: false [2020-07-17 17:58:18,573 INFO L264 CegarLoopResult]: At program point L335(lines 23 339) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-17 17:58:18,574 INFO L264 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,574 INFO L264 CegarLoopResult]: At program point L302-1(lines 302 317) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,574 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 13 344) the Hoare annotation is: true [2020-07-17 17:58:18,574 INFO L264 CegarLoopResult]: At program point L302-2(line 302) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,574 INFO L264 CegarLoopResult]: At program point L302-3(line 302) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,574 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,574 INFO L264 CegarLoopResult]: At program point L170-1(lines 170 185) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,575 INFO L264 CegarLoopResult]: At program point L170-2(line 170) the Hoare annotation is: (and (<= 2 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-17 17:58:18,575 INFO L264 CegarLoopResult]: At program point L170-3(line 170) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,575 INFO L264 CegarLoopResult]: At program point L286(line 286) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,575 INFO L264 CegarLoopResult]: At program point L286-1(lines 286 301) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,575 INFO L264 CegarLoopResult]: At program point L286-2(line 286) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,575 INFO L264 CegarLoopResult]: At program point L286-3(line 286) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,576 INFO L264 CegarLoopResult]: At program point L154(line 154) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,576 INFO L264 CegarLoopResult]: At program point L154-1(lines 154 169) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,576 INFO L264 CegarLoopResult]: At program point L88(lines 88 99) the Hoare annotation is: false [2020-07-17 17:58:18,576 INFO L264 CegarLoopResult]: At program point L154-2(line 154) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,576 INFO L264 CegarLoopResult]: At program point L154-3(line 154) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,576 INFO L264 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,577 INFO L264 CegarLoopResult]: At program point L270-1(lines 270 285) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,577 INFO L264 CegarLoopResult]: At program point L204(lines 204 215) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,577 INFO L264 CegarLoopResult]: At program point L270-2(line 270) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,577 INFO L264 CegarLoopResult]: At program point L270-3(line 270) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,577 INFO L264 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,577 INFO L264 CegarLoopResult]: At program point L105(lines 105 220) the Hoare annotation is: (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~this_sink~0) (= 2 main_~q~0))) [2020-07-17 17:58:18,578 INFO L264 CegarLoopResult]: At program point L138-1(lines 138 153) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,578 INFO L264 CegarLoopResult]: At program point L72(lines 72 83) the Hoare annotation is: false [2020-07-17 17:58:18,578 INFO L264 CegarLoopResult]: At program point L138-2(line 138) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,578 INFO L264 CegarLoopResult]: At program point L138-3(line 138) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,578 INFO L264 CegarLoopResult]: At program point L320(lines 320 331) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,578 INFO L264 CegarLoopResult]: At program point L254(line 254) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,579 INFO L264 CegarLoopResult]: At program point L221(lines 221 336) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,579 INFO L264 CegarLoopResult]: At program point L254-1(lines 254 269) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,579 INFO L264 CegarLoopResult]: At program point L188(lines 188 199) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,579 INFO L264 CegarLoopResult]: At program point L254-2(line 254) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,579 INFO L264 CegarLoopResult]: At program point L254-3(line 254) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,579 INFO L264 CegarLoopResult]: At program point L122(line 122) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,580 INFO L264 CegarLoopResult]: At program point L122-1(lines 122 137) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,580 INFO L264 CegarLoopResult]: At program point L56(lines 56 67) the Hoare annotation is: false [2020-07-17 17:58:18,580 INFO L264 CegarLoopResult]: At program point L122-2(line 122) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,580 INFO L264 CegarLoopResult]: At program point L122-3(line 122) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,580 INFO L264 CegarLoopResult]: At program point L23-2(lines 23 339) the Hoare annotation is: (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) (= 0 main_~this_sink~0))) [2020-07-17 17:58:18,580 INFO L271 CegarLoopResult]: At program point L23-3(lines 23 339) the Hoare annotation is: true [2020-07-17 17:58:18,580 INFO L264 CegarLoopResult]: At program point L304(lines 304 315) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,581 INFO L264 CegarLoopResult]: At program point L238(line 238) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,581 INFO L264 CegarLoopResult]: At program point L238-1(lines 238 253) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,581 INFO L264 CegarLoopResult]: At program point L172(lines 172 183) the Hoare annotation is: (and (<= 2 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-17 17:58:18,581 INFO L264 CegarLoopResult]: At program point L238-2(line 238) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,581 INFO L264 CegarLoopResult]: At program point L238-3(line 238) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,581 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,582 INFO L264 CegarLoopResult]: At program point L106-1(lines 106 121) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,582 INFO L264 CegarLoopResult]: At program point L40(lines 40 42) the Hoare annotation is: (and (= 0 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-17 17:58:18,582 INFO L264 CegarLoopResult]: At program point L106-2(line 106) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,582 INFO L264 CegarLoopResult]: At program point L106-3(line 106) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,582 INFO L264 CegarLoopResult]: At program point L288(lines 288 299) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,583 INFO L264 CegarLoopResult]: At program point L222(line 222) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,583 INFO L264 CegarLoopResult]: At program point L222-1(lines 222 237) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,583 INFO L264 CegarLoopResult]: At program point L156(lines 156 167) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,583 INFO L264 CegarLoopResult]: At program point L222-2(line 222) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,583 INFO L264 CegarLoopResult]: At program point L222-3(line 222) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,583 INFO L271 CegarLoopResult]: At program point L90(line 90) the Hoare annotation is: true [2020-07-17 17:58:18,584 INFO L264 CegarLoopResult]: At program point L272(lines 272 283) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,584 INFO L271 CegarLoopResult]: At program point L206(line 206) the Hoare annotation is: true [2020-07-17 17:58:18,584 INFO L264 CegarLoopResult]: At program point L140(lines 140 151) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,584 INFO L264 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: false [2020-07-17 17:58:18,584 INFO L271 CegarLoopResult]: At program point L322(line 322) the Hoare annotation is: true [2020-07-17 17:58:18,584 INFO L264 CegarLoopResult]: At program point L256(lines 256 267) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,585 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (and (= 0 main_~this_sink~0) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0)) (= 2 main_~q~0)) [2020-07-17 17:58:18,585 INFO L264 CegarLoopResult]: At program point L124(lines 124 135) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,585 INFO L264 CegarLoopResult]: At program point L306(line 306) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0)) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,585 INFO L264 CegarLoopResult]: At program point L240(lines 240 251) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,585 INFO L264 CegarLoopResult]: At program point L108(lines 108 119) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,585 INFO L264 CegarLoopResult]: At program point L224(lines 224 235) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,585 INFO L264 CegarLoopResult]: At program point L158(line 158) the Hoare annotation is: false [2020-07-17 17:58:18,585 INFO L271 CegarLoopResult]: At program point L92(lines 92 94) the Hoare annotation is: true [2020-07-17 17:58:18,586 INFO L264 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-17 17:58:18,586 INFO L264 CegarLoopResult]: At program point L26-1(line 26) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-17 17:58:18,586 INFO L264 CegarLoopResult]: At program point L26-2(line 26) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-17 17:58:18,586 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: false [2020-07-17 17:58:18,586 INFO L271 CegarLoopResult]: At program point L208(lines 208 210) the Hoare annotation is: true [2020-07-17 17:58:18,586 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: false [2020-07-17 17:58:18,587 INFO L264 CegarLoopResult]: At program point L76(lines 76 78) the Hoare annotation is: false [2020-07-17 17:58:18,587 INFO L271 CegarLoopResult]: At program point L324(lines 324 326) the Hoare annotation is: true [2020-07-17 17:58:18,587 INFO L264 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,587 INFO L264 CegarLoopResult]: At program point L192(lines 192 194) the Hoare annotation is: (and (= 0 main_~this_sink~0) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0)) (= 2 main_~q~0)) [2020-07-17 17:58:18,587 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: false [2020-07-17 17:58:18,587 INFO L264 CegarLoopResult]: At program point L60(lines 60 62) the Hoare annotation is: false [2020-07-17 17:58:18,588 INFO L264 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-17 17:58:18,588 INFO L264 CegarLoopResult]: At program point L27-1(line 27) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-17 17:58:18,588 INFO L264 CegarLoopResult]: At program point L27-2(line 27) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-17 17:58:18,588 INFO L264 CegarLoopResult]: At program point L308(lines 308 310) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0)) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,588 INFO L264 CegarLoopResult]: At program point L242(line 242) the Hoare annotation is: false [2020-07-17 17:58:18,588 INFO L264 CegarLoopResult]: At program point L176(lines 176 178) the Hoare annotation is: (and (<= 2 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-17 17:58:18,589 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: false [2020-07-17 17:58:18,589 INFO L264 CegarLoopResult]: At program point L44(line 44) the Hoare annotation is: (and (= 0 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-17 17:58:18,589 INFO L264 CegarLoopResult]: At program point L325(lines 13 344) the Hoare annotation is: false [2020-07-17 17:58:18,589 INFO L264 CegarLoopResult]: At program point L292(lines 292 294) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,589 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,589 INFO L264 CegarLoopResult]: At program point L160(lines 160 162) the Hoare annotation is: false [2020-07-17 17:58:18,590 INFO L264 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-17 17:58:18,590 INFO L264 CegarLoopResult]: At program point L28-1(line 28) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-17 17:58:18,590 INFO L264 CegarLoopResult]: At program point L28-2(line 28) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-17 17:58:18,590 INFO L264 CegarLoopResult]: At program point L276(lines 276 278) the Hoare annotation is: false [2020-07-17 17:58:18,590 INFO L264 CegarLoopResult]: At program point L144(lines 144 146) the Hoare annotation is: false [2020-07-17 17:58:18,590 INFO L264 CegarLoopResult]: At program point L260(lines 260 262) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,590 INFO L264 CegarLoopResult]: At program point L128(lines 128 130) the Hoare annotation is: false [2020-07-17 17:58:18,591 INFO L264 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-17 17:58:18,591 INFO L264 CegarLoopResult]: At program point L29-1(line 29) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-17 17:58:18,591 INFO L264 CegarLoopResult]: At program point L29-2(line 29) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-17 17:58:18,591 INFO L264 CegarLoopResult]: At program point L244(lines 244 246) the Hoare annotation is: false [2020-07-17 17:58:18,591 INFO L264 CegarLoopResult]: At program point L112(lines 112 114) the Hoare annotation is: false [2020-07-17 17:58:18,591 INFO L264 CegarLoopResult]: At program point L46(line 46) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,591 INFO L264 CegarLoopResult]: At program point L46-1(line 46) the Hoare annotation is: (and (= 0 main_~this_sink~0) (= 2 main_~q~0)) [2020-07-17 17:58:18,592 INFO L264 CegarLoopResult]: At program point L228(lines 228 230) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,592 INFO L271 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: true [2020-07-17 17:58:18,592 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 343) the Hoare annotation is: false [2020-07-17 17:58:18,592 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 13 344) the Hoare annotation is: true [2020-07-17 17:58:18,592 INFO L271 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: true [2020-07-17 17:58:18,592 INFO L271 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: true [2020-07-17 17:58:18,593 INFO L271 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: true [2020-07-17 17:58:18,593 INFO L264 CegarLoopResult]: At program point L196(line 196) the Hoare annotation is: (and (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0)) (= 2 main_~q~0)) [2020-07-17 17:58:18,593 INFO L271 CegarLoopResult]: At program point L64(line 64) the Hoare annotation is: true [2020-07-17 17:58:18,593 INFO L271 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: true [2020-07-17 17:58:18,593 INFO L271 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: true [2020-07-17 17:58:18,593 INFO L264 CegarLoopResult]: At program point L296(line 296) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,594 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: false [2020-07-17 17:58:18,594 INFO L264 CegarLoopResult]: At program point L280(line 280) the Hoare annotation is: false [2020-07-17 17:58:18,594 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: false [2020-07-17 17:58:18,594 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (= 0 main_~q~0) [2020-07-17 17:58:18,594 INFO L264 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,594 INFO L264 CegarLoopResult]: At program point L198(line 198) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0))) [2020-07-17 17:58:18,594 INFO L264 CegarLoopResult]: At program point L198-1(line 198) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0)) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,595 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: false [2020-07-17 17:58:18,595 INFO L264 CegarLoopResult]: At program point L33(lines 33 52) the Hoare annotation is: (let ((.cse0 (= 0 main_~this_sink~0))) (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (= 0 main_~q~0) .cse0) (and .cse0 (= 2 main_~q~0)))) [2020-07-17 17:58:18,595 INFO L264 CegarLoopResult]: At program point L248(line 248) the Hoare annotation is: false [2020-07-17 17:58:18,595 INFO L264 CegarLoopResult]: At program point L116(line 116) the Hoare annotation is: false [2020-07-17 17:58:18,595 INFO L264 CegarLoopResult]: At program point L298(line 298) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,595 INFO L264 CegarLoopResult]: At program point L298-1(line 298) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,595 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,596 INFO L264 CegarLoopResult]: At program point L166(line 166) the Hoare annotation is: false [2020-07-17 17:58:18,596 INFO L264 CegarLoopResult]: At program point L166-1(line 166) the Hoare annotation is: false [2020-07-17 17:58:18,596 INFO L264 CegarLoopResult]: At program point L34(line 34) the Hoare annotation is: (and (= 0 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-17 17:58:18,596 INFO L264 CegarLoopResult]: At program point L34-1(lines 34 49) the Hoare annotation is: (and (= 0 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-17 17:58:18,596 INFO L264 CegarLoopResult]: At program point L34-2(line 34) the Hoare annotation is: (and (= 0 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-17 17:58:18,596 INFO L264 CegarLoopResult]: At program point L34-3(line 34) the Hoare annotation is: (and (= 0 main_~q~0) (= 0 main_~this_sink~0)) [2020-07-17 17:58:18,596 INFO L264 CegarLoopResult]: At program point L282(line 282) the Hoare annotation is: false [2020-07-17 17:58:18,597 INFO L264 CegarLoopResult]: At program point L282-1(line 282) the Hoare annotation is: false [2020-07-17 17:58:18,597 INFO L264 CegarLoopResult]: At program point L150(line 150) the Hoare annotation is: false [2020-07-17 17:58:18,597 INFO L264 CegarLoopResult]: At program point L150-1(line 150) the Hoare annotation is: false [2020-07-17 17:58:18,597 INFO L264 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,597 INFO L264 CegarLoopResult]: At program point L266-1(line 266) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2020-07-17 17:58:18,597 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: false [2020-07-17 17:58:18,597 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: false [2020-07-17 17:58:18,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 05:58:18 BoogieIcfgContainer [2020-07-17 17:58:18,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 17:58:18,622 INFO L168 Benchmark]: Toolchain (without parser) took 7920.61 ms. Allocated memory was 143.7 MB in the beginning and 320.9 MB in the end (delta: 177.2 MB). Free memory was 101.2 MB in the beginning and 206.2 MB in the end (delta: -104.9 MB). Peak memory consumption was 190.2 MB. Max. memory is 7.1 GB. [2020-07-17 17:58:18,623 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 143.7 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-17 17:58:18,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.51 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 101.0 MB in the beginning and 179.7 MB in the end (delta: -78.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2020-07-17 17:58:18,625 INFO L168 Benchmark]: Boogie Preprocessor took 46.91 ms. Allocated memory is still 200.8 MB. Free memory was 179.7 MB in the beginning and 177.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-07-17 17:58:18,626 INFO L168 Benchmark]: RCFGBuilder took 653.48 ms. Allocated memory is still 200.8 MB. Free memory was 177.1 MB in the beginning and 140.5 MB in the end (delta: 36.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. [2020-07-17 17:58:18,627 INFO L168 Benchmark]: TraceAbstraction took 6788.89 ms. Allocated memory was 200.8 MB in the beginning and 320.9 MB in the end (delta: 120.1 MB). Free memory was 139.8 MB in the beginning and 206.2 MB in the end (delta: -66.3 MB). Peak memory consumption was 171.7 MB. Max. memory is 7.1 GB. [2020-07-17 17:58:18,631 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 143.7 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 424.51 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 101.0 MB in the beginning and 179.7 MB in the end (delta: -78.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.91 ms. Allocated memory is still 200.8 MB. Free memory was 179.7 MB in the beginning and 177.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 653.48 ms. Allocated memory is still 200.8 MB. Free memory was 177.1 MB in the beginning and 140.5 MB in the end (delta: 36.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6788.89 ms. Allocated memory was 200.8 MB in the beginning and 320.9 MB in the end (delta: 120.1 MB). Free memory was 139.8 MB in the beginning and 206.2 MB in the end (delta: -66.3 MB). Peak memory consumption was 171.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 343]: 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: 23]: Loop Invariant Derived loop invariant: ((3 <= q && (this_sink + 1 <= 0 || 1 <= this_sink)) || (0 == q && 0 == this_sink)) || (0 == this_sink && 2 == q) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (3 <= q && (this_sink + 1 <= 0 || 1 <= this_sink)) || (0 == q && 0 == this_sink) - ProcedureContractResult [Line: 13]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1253 SDtfs, 1672 SDslu, 85 SDs, 0 SdLazy, 805 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=281occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 201 LocationsWithAnnotation, 201 PreInvPairs, 375 NumberOfFragments, 1654 HoareAnnotationTreeSize, 201 FomulaSimplifications, 420 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 201 FomulaSimplificationsInter, 3437 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 495 NumberOfCodeBlocks, 495 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 488 ConstructedInterpolants, 0 QuantifiedInterpolants, 97882 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 144/144 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...