/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_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 19:05:22,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 19:05:22,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 19:05:22,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-06 19:05:22,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 19:05:22,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 19:05:22,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 19:05:22,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 19:05:22,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 19:05:22,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 19:05:22,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 19:05:22,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 19:05:22,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 19:05:22,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 19:05:22,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 19:05:22,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 19:05:22,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 19:05:22,235 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 [2019-11-06 19:05:22,264 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 19:05:22,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 19:05:22,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 19:05:22,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 19:05:22,268 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 19:05:22,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 19:05:22,268 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 19:05:22,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 19:05:22,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 19:05:22,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 19:05:22,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 19:05:22,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 19:05:22,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 19:05:22,271 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 19:05:22,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 19:05:22,271 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 19:05:22,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 19:05:22,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 19:05:22,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 19:05:22,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 19:05:22,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 19:05:22,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 19:05:22,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 19:05:22,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 19:05:22,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 19:05:22,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 19:05:22,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 19:05:22,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 19:05:22,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 19:05:22,553 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 19:05:22,566 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 19:05:22,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 19:05:22,571 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 19:05:22,571 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 19:05:22,572 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label25.c [2019-11-06 19:05:22,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d63d30064/08e709f54e144011af8cbf4adb6cd65e/FLAG60f028de7 [2019-11-06 19:05:23,203 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 19:05:23,205 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label25.c [2019-11-06 19:05:23,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d63d30064/08e709f54e144011af8cbf4adb6cd65e/FLAG60f028de7 [2019-11-06 19:05:23,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d63d30064/08e709f54e144011af8cbf4adb6cd65e [2019-11-06 19:05:23,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 19:05:23,490 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 19:05:23,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 19:05:23,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 19:05:23,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 19:05:23,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:05:23" (1/1) ... [2019-11-06 19:05:23,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f3db85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:23, skipping insertion in model container [2019-11-06 19:05:23,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:05:23" (1/1) ... [2019-11-06 19:05:23,509 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 19:05:23,565 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 19:05:24,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:05:24,099 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 19:05:24,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:05:24,210 INFO L192 MainTranslator]: Completed translation [2019-11-06 19:05:24,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:24 WrapperNode [2019-11-06 19:05:24,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 19:05:24,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 19:05:24,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 19:05:24,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 19:05:24,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:24" (1/1) ... [2019-11-06 19:05:24,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:24" (1/1) ... [2019-11-06 19:05:24,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:24" (1/1) ... [2019-11-06 19:05:24,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:24" (1/1) ... [2019-11-06 19:05:24,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:24" (1/1) ... [2019-11-06 19:05:24,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:24" (1/1) ... [2019-11-06 19:05:24,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:24" (1/1) ... [2019-11-06 19:05:24,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 19:05:24,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 19:05:24,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 19:05:24,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 19:05:24,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:24" (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 [2019-11-06 19:05:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 19:05:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 19:05:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-06 19:05:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 19:05:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-06 19:05:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 19:05:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 19:05:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 19:05:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 19:05:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 19:05:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 19:05:25,586 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 19:05:25,587 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 19:05:25,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:05:25 BoogieIcfgContainer [2019-11-06 19:05:25,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 19:05:25,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 19:05:25,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 19:05:25,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 19:05:25,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:05:23" (1/3) ... [2019-11-06 19:05:25,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4046c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:05:25, skipping insertion in model container [2019-11-06 19:05:25,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:24" (2/3) ... [2019-11-06 19:05:25,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4046c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:05:25, skipping insertion in model container [2019-11-06 19:05:25,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:05:25" (3/3) ... [2019-11-06 19:05:25,597 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label25.c [2019-11-06 19:05:25,607 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 19:05:25,615 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 19:05:25,627 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 19:05:25,655 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 19:05:25,656 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 19:05:25,656 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 19:05:25,656 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 19:05:25,656 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 19:05:25,657 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 19:05:25,657 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 19:05:25,657 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 19:05:25,682 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2019-11-06 19:05:25,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-06 19:05:25,692 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:05:25,693 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:05:25,695 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:05:25,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:05:25,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1015003737, now seen corresponding path program 1 times [2019-11-06 19:05:25,711 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:05:25,711 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651811369] [2019-11-06 19:05:25,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:05:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:26,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:05:26,164 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651811369] [2019-11-06 19:05:26,165 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:05:26,165 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 19:05:26,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482710631] [2019-11-06 19:05:26,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 19:05:26,176 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:05:26,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 19:05:26,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 19:05:26,197 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2019-11-06 19:05:28,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:05:28,198 INFO L93 Difference]: Finished difference Result 730 states and 1300 transitions. [2019-11-06 19:05:28,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 19:05:28,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-11-06 19:05:28,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:05:28,219 INFO L225 Difference]: With dead ends: 730 [2019-11-06 19:05:28,220 INFO L226 Difference]: Without dead ends: 447 [2019-11-06 19:05:28,232 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:05:28,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-11-06 19:05:28,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2019-11-06 19:05:28,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2019-11-06 19:05:28,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 595 transitions. [2019-11-06 19:05:28,310 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 595 transitions. Word has length 70 [2019-11-06 19:05:28,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:05:28,311 INFO L462 AbstractCegarLoop]: Abstraction has 443 states and 595 transitions. [2019-11-06 19:05:28,311 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 19:05:28,311 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 595 transitions. [2019-11-06 19:05:28,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-06 19:05:28,321 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:05:28,321 INFO L410 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, 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] [2019-11-06 19:05:28,321 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:05:28,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:05:28,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1516573211, now seen corresponding path program 1 times [2019-11-06 19:05:28,322 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:05:28,322 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084130558] [2019-11-06 19:05:28,323 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:05:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:28,664 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:05:28,665 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084130558] [2019-11-06 19:05:28,665 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114769730] [2019-11-06 19:05:28,665 INFO L94 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 [2019-11-06 19:05:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:28,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:05:28,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:05:28,863 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:05:28,864 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:05:28,864 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 19:05:28,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927873119] [2019-11-06 19:05:28,866 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:05:28,867 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:05:28,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:05:28,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:05:28,868 INFO L87 Difference]: Start difference. First operand 443 states and 595 transitions. Second operand 3 states. [2019-11-06 19:05:29,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:05:29,553 INFO L93 Difference]: Finished difference Result 880 states and 1198 transitions. [2019-11-06 19:05:29,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:05:29,555 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-11-06 19:05:29,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:05:29,561 INFO L225 Difference]: With dead ends: 880 [2019-11-06 19:05:29,562 INFO L226 Difference]: Without dead ends: 878 [2019-11-06 19:05:29,563 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:05:29,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2019-11-06 19:05:29,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 735. [2019-11-06 19:05:29,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2019-11-06 19:05:29,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1029 transitions. [2019-11-06 19:05:29,621 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1029 transitions. Word has length 149 [2019-11-06 19:05:29,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:05:29,622 INFO L462 AbstractCegarLoop]: Abstraction has 735 states and 1029 transitions. [2019-11-06 19:05:29,625 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:05:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1029 transitions. [2019-11-06 19:05:29,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-06 19:05:29,637 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:05:29,637 INFO L410 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, 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] [2019-11-06 19:05:29,838 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:05:29,838 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:05:29,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:05:29,839 INFO L82 PathProgramCache]: Analyzing trace with hash 2032612418, now seen corresponding path program 1 times [2019-11-06 19:05:29,840 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:05:29,840 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779019041] [2019-11-06 19:05:29,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:05:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:30,348 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:05:30,348 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779019041] [2019-11-06 19:05:30,349 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:05:30,349 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 19:05:30,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859186853] [2019-11-06 19:05:30,350 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 19:05:30,350 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:05:30,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 19:05:30,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 19:05:30,351 INFO L87 Difference]: Start difference. First operand 735 states and 1029 transitions. Second operand 9 states. [2019-11-06 19:05:31,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:05:31,769 INFO L93 Difference]: Finished difference Result 1790 states and 2576 transitions. [2019-11-06 19:05:31,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 19:05:31,772 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 192 [2019-11-06 19:05:31,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:05:31,783 INFO L225 Difference]: With dead ends: 1790 [2019-11-06 19:05:31,783 INFO L226 Difference]: Without dead ends: 1061 [2019-11-06 19:05:31,786 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2019-11-06 19:05:31,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2019-11-06 19:05:31,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 1035. [2019-11-06 19:05:31,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2019-11-06 19:05:31,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1359 transitions. [2019-11-06 19:05:31,841 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1359 transitions. Word has length 192 [2019-11-06 19:05:31,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:05:31,842 INFO L462 AbstractCegarLoop]: Abstraction has 1035 states and 1359 transitions. [2019-11-06 19:05:31,842 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 19:05:31,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1359 transitions. [2019-11-06 19:05:31,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-11-06 19:05:31,846 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:05:31,847 INFO L410 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:05:31,847 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:05:31,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:05:31,847 INFO L82 PathProgramCache]: Analyzing trace with hash -2039130987, now seen corresponding path program 1 times [2019-11-06 19:05:31,848 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:05:31,848 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734189783] [2019-11-06 19:05:31,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:05:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:32,159 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 193 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 19:05:32,159 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734189783] [2019-11-06 19:05:32,159 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685583638] [2019-11-06 19:05:32,160 INFO L94 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 [2019-11-06 19:05:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:32,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:05:32,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:05:32,364 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:05:32,365 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 19:05:32,365 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-11-06 19:05:32,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104062905] [2019-11-06 19:05:32,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 19:05:32,366 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:05:32,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 19:05:32,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 19:05:32,367 INFO L87 Difference]: Start difference. First operand 1035 states and 1359 transitions. Second operand 11 states. [2019-11-06 19:05:35,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:05:35,617 INFO L93 Difference]: Finished difference Result 2601 states and 3691 transitions. [2019-11-06 19:05:35,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-06 19:05:35,618 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 222 [2019-11-06 19:05:35,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:05:35,631 INFO L225 Difference]: With dead ends: 2601 [2019-11-06 19:05:35,632 INFO L226 Difference]: Without dead ends: 1572 [2019-11-06 19:05:35,635 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2019-11-06 19:05:35,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2019-11-06 19:05:35,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 1240. [2019-11-06 19:05:35,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1240 states. [2019-11-06 19:05:35,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1602 transitions. [2019-11-06 19:05:35,713 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1602 transitions. Word has length 222 [2019-11-06 19:05:35,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:05:35,714 INFO L462 AbstractCegarLoop]: Abstraction has 1240 states and 1602 transitions. [2019-11-06 19:05:35,714 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 19:05:35,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1602 transitions. [2019-11-06 19:05:35,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-11-06 19:05:35,721 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:05:35,721 INFO L410 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, 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] [2019-11-06 19:05:35,925 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:05:35,929 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:05:35,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:05:35,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1907264308, now seen corresponding path program 1 times [2019-11-06 19:05:35,930 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:05:35,930 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533221599] [2019-11-06 19:05:35,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:05:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:36,218 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 19:05:36,218 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533221599] [2019-11-06 19:05:36,219 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878634757] [2019-11-06 19:05:36,219 INFO L94 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 [2019-11-06 19:05:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:36,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:05:36,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:05:36,525 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 201 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:05:36,526 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 19:05:36,526 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-11-06 19:05:36,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722470664] [2019-11-06 19:05:36,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 19:05:36,529 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:05:36,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 19:05:36,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 19:05:36,530 INFO L87 Difference]: Start difference. First operand 1240 states and 1602 transitions. Second operand 11 states. [2019-11-06 19:05:38,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:05:38,569 INFO L93 Difference]: Finished difference Result 2466 states and 3171 transitions. [2019-11-06 19:05:38,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-06 19:05:38,570 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 229 [2019-11-06 19:05:38,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:05:38,577 INFO L225 Difference]: With dead ends: 2466 [2019-11-06 19:05:38,578 INFO L226 Difference]: Without dead ends: 1232 [2019-11-06 19:05:38,582 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2019-11-06 19:05:38,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2019-11-06 19:05:38,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 1208. [2019-11-06 19:05:38,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2019-11-06 19:05:38,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1475 transitions. [2019-11-06 19:05:38,618 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1475 transitions. Word has length 229 [2019-11-06 19:05:38,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:05:38,619 INFO L462 AbstractCegarLoop]: Abstraction has 1208 states and 1475 transitions. [2019-11-06 19:05:38,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 19:05:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1475 transitions. [2019-11-06 19:05:38,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-11-06 19:05:38,624 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:05:38,624 INFO L410 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:05:38,828 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:05:38,829 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:05:38,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:05:38,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1889340864, now seen corresponding path program 1 times [2019-11-06 19:05:38,829 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:05:38,829 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924580542] [2019-11-06 19:05:38,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:05:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:39,137 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 202 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 19:05:39,138 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924580542] [2019-11-06 19:05:39,138 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127008999] [2019-11-06 19:05:39,138 INFO L94 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 [2019-11-06 19:05:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:39,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-06 19:05:39,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:05:39,412 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-06 19:05:39,413 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:05:39,413 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 12 [2019-11-06 19:05:39,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153495014] [2019-11-06 19:05:39,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 19:05:39,415 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:05:39,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 19:05:39,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-11-06 19:05:39,415 INFO L87 Difference]: Start difference. First operand 1208 states and 1475 transitions. Second operand 5 states. [2019-11-06 19:05:40,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:05:40,371 INFO L93 Difference]: Finished difference Result 2583 states and 3144 transitions. [2019-11-06 19:05:40,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 19:05:40,373 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 239 [2019-11-06 19:05:40,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:05:40,380 INFO L225 Difference]: With dead ends: 2583 [2019-11-06 19:05:40,380 INFO L226 Difference]: Without dead ends: 1381 [2019-11-06 19:05:40,383 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2019-11-06 19:05:40,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2019-11-06 19:05:40,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1355. [2019-11-06 19:05:40,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1355 states. [2019-11-06 19:05:40,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 1633 transitions. [2019-11-06 19:05:40,421 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 1633 transitions. Word has length 239 [2019-11-06 19:05:40,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:05:40,422 INFO L462 AbstractCegarLoop]: Abstraction has 1355 states and 1633 transitions. [2019-11-06 19:05:40,422 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 19:05:40,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1633 transitions. [2019-11-06 19:05:40,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2019-11-06 19:05:40,429 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:05:40,429 INFO L410 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, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:05:40,633 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:05:40,634 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:05:40,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:05:40,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1720584130, now seen corresponding path program 1 times [2019-11-06 19:05:40,635 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:05:40,635 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022377809] [2019-11-06 19:05:40,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:05:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:40,986 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 266 proven. 84 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-06 19:05:40,986 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022377809] [2019-11-06 19:05:40,986 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668205198] [2019-11-06 19:05:40,987 INFO L94 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 [2019-11-06 19:05:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:41,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:05:41,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:05:41,185 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 363 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-06 19:05:41,186 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 19:05:41,186 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 13 [2019-11-06 19:05:41,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784779205] [2019-11-06 19:05:41,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-06 19:05:41,188 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:05:41,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-06 19:05:41,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2019-11-06 19:05:41,188 INFO L87 Difference]: Start difference. First operand 1355 states and 1633 transitions. Second operand 13 states. [2019-11-06 19:05:44,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:05:44,871 INFO L93 Difference]: Finished difference Result 4160 states and 5073 transitions. [2019-11-06 19:05:44,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-06 19:05:44,872 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 318 [2019-11-06 19:05:44,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:05:44,879 INFO L225 Difference]: With dead ends: 4160 [2019-11-06 19:05:44,879 INFO L226 Difference]: Without dead ends: 1780 [2019-11-06 19:05:44,885 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2019-11-06 19:05:44,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1780 states. [2019-11-06 19:05:44,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1780 to 1343. [2019-11-06 19:05:44,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1343 states. [2019-11-06 19:05:44,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1343 states and 1491 transitions. [2019-11-06 19:05:44,921 INFO L78 Accepts]: Start accepts. Automaton has 1343 states and 1491 transitions. Word has length 318 [2019-11-06 19:05:44,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:05:44,921 INFO L462 AbstractCegarLoop]: Abstraction has 1343 states and 1491 transitions. [2019-11-06 19:05:44,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-06 19:05:44,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1491 transitions. [2019-11-06 19:05:44,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-11-06 19:05:44,929 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:05:44,930 INFO L410 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, 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, 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] [2019-11-06 19:05:45,133 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:05:45,133 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:05:45,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:05:45,134 INFO L82 PathProgramCache]: Analyzing trace with hash -703978038, now seen corresponding path program 1 times [2019-11-06 19:05:45,134 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:05:45,134 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091112403] [2019-11-06 19:05:45,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:05:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:46,454 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 145 proven. 291 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-06 19:05:46,454 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091112403] [2019-11-06 19:05:46,455 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605619438] [2019-11-06 19:05:46,455 INFO L94 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 [2019-11-06 19:05:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:46,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-06 19:05:46,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:05:46,639 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-06 19:05:46,640 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-06 19:05:46,641 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-06 19:05:46,642 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-06 19:05:46,656 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-06 19:05:46,657 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-06 19:05:46,662 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-06 19:05:46,663 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms