/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 22:02:30,764 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 22:02:30,813 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 22:02:30,827 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 22:02:30,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 22:02:30,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 22:02:30,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 22:02:30,829 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 22:02:30,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 22:02:30,829 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 22:02:30,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 22:02:30,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 22:02:30,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 22:02:30,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 22:02:30,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 22:02:30,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 22:02:30,830 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 22:02:30,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 22:02:30,831 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 22:02:30,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 22:02:30,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 22:02:30,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 22:02:30,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 22:02:30,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 22:02:30,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 22:02:30,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 22:02:30,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 22:02:30,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 22:02:30,833 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 22:02:30,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:02:30,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 22:02:30,833 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 22:02:30,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 22:02:31,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 22:02:31,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 22:02:31,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 22:02:31,124 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 22:02:31,125 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 22:02:31,125 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label00.c [2020-07-20 22:02:31,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10c315309/d9dae048bea54fd7b096eabbb10e6389/FLAG7ac3dcef8 [2020-07-20 22:02:31,784 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 22:02:31,784 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label00.c [2020-07-20 22:02:31,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10c315309/d9dae048bea54fd7b096eabbb10e6389/FLAG7ac3dcef8 [2020-07-20 22:02:32,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10c315309/d9dae048bea54fd7b096eabbb10e6389 [2020-07-20 22:02:32,122 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 22:02:32,126 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 22:02:32,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 22:02:32,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 22:02:32,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 22:02:32,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:02:32" (1/1) ... [2020-07-20 22:02:32,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402bb5e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:02:32, skipping insertion in model container [2020-07-20 22:02:32,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:02:32" (1/1) ... [2020-07-20 22:02:32,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 22:02:32,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 22:02:32,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 22:02:32,730 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 22:02:32,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 22:02:32,851 INFO L208 MainTranslator]: Completed translation [2020-07-20 22:02:32,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:02:32 WrapperNode [2020-07-20 22:02:32,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 22:02:32,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 22:02:32,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 22:02:32,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 22:02:32,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:02:32" (1/1) ... [2020-07-20 22:02:32,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:02:32" (1/1) ... [2020-07-20 22:02:32,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:02:32" (1/1) ... [2020-07-20 22:02:32,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:02:32" (1/1) ... [2020-07-20 22:02:32,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:02:32" (1/1) ... [2020-07-20 22:02:32,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:02:32" (1/1) ... [2020-07-20 22:02:32,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:02:32" (1/1) ... [2020-07-20 22:02:32,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 22:02:32,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 22:02:32,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 22:02:32,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 22:02:32,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:02:32" (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 [2020-07-20 22:02:33,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 22:02:33,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 22:02:33,042 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 22:02:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 22:02:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 22:02:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 22:02:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 22:02:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 22:02:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 22:02:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 22:02:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 22:02:34,156 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 22:02:34,156 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 22:02:34,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:02:34 BoogieIcfgContainer [2020-07-20 22:02:34,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 22:02:34,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 22:02:34,165 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 22:02:34,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 22:02:34,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:02:32" (1/3) ... [2020-07-20 22:02:34,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb2a9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:02:34, skipping insertion in model container [2020-07-20 22:02:34,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:02:32" (2/3) ... [2020-07-20 22:02:34,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb2a9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:02:34, skipping insertion in model container [2020-07-20 22:02:34,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:02:34" (3/3) ... [2020-07-20 22:02:34,172 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label00.c [2020-07-20 22:02:34,183 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 22:02:34,191 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 22:02:34,204 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 22:02:34,231 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 22:02:34,231 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 22:02:34,232 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 22:02:34,232 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 22:02:34,232 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 22:02:34,232 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 22:02:34,233 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 22:02:34,233 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 22:02:34,258 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 22:02:34,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-20 22:02:34,272 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:02:34,273 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:02:34,274 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:02:34,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:02:34,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1022555377, now seen corresponding path program 1 times [2020-07-20 22:02:34,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:02:34,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1649787794] [2020-07-20 22:02:34,288 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:02:34,513 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:02:34,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:02:34,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 22:02:34,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:02:34,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:02:34,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:02:34,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1649787794] [2020-07-20 22:02:34,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:02:34,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:02:34,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122198896] [2020-07-20 22:02:34,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:02:34,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:02:34,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:02:34,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:02:34,709 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-20 22:02:35,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:02:35,668 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2020-07-20 22:02:35,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:02:35,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-07-20 22:02:35,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:02:35,689 INFO L225 Difference]: With dead ends: 615 [2020-07-20 22:02:35,690 INFO L226 Difference]: Without dead ends: 317 [2020-07-20 22:02:35,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:02:35,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-07-20 22:02:35,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2020-07-20 22:02:35,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-07-20 22:02:35,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2020-07-20 22:02:35,776 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 121 [2020-07-20 22:02:35,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:02:35,777 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2020-07-20 22:02:35,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:02:35,777 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2020-07-20 22:02:35,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-07-20 22:02:35,782 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:02:35,783 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:02:35,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:02:35,997 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:02:35,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:02:35,998 INFO L82 PathProgramCache]: Analyzing trace with hash 145020396, now seen corresponding path program 1 times [2020-07-20 22:02:35,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:02:35,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1799176510] [2020-07-20 22:02:36,000 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:02:36,125 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:02:36,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:02:36,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:02:36,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:02:36,202 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:02:36,202 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:02:36,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1799176510] [2020-07-20 22:02:36,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:02:36,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:02:36,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643235017] [2020-07-20 22:02:36,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:02:36,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:02:36,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:02:36,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:02:36,206 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 3 states. [2020-07-20 22:02:36,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:02:36,830 INFO L93 Difference]: Finished difference Result 919 states and 1406 transitions. [2020-07-20 22:02:36,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:02:36,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-07-20 22:02:36,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:02:36,837 INFO L225 Difference]: With dead ends: 919 [2020-07-20 22:02:36,837 INFO L226 Difference]: Without dead ends: 608 [2020-07-20 22:02:36,839 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:02:36,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-07-20 22:02:36,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 462. [2020-07-20 22:02:36,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-07-20 22:02:36,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 642 transitions. [2020-07-20 22:02:36,872 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 642 transitions. Word has length 136 [2020-07-20 22:02:36,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:02:36,873 INFO L479 AbstractCegarLoop]: Abstraction has 462 states and 642 transitions. [2020-07-20 22:02:36,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:02:36,873 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 642 transitions. [2020-07-20 22:02:36,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-20 22:02:36,890 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:02:36,890 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:02:37,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:02:37,104 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:02:37,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:02:37,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1224887079, now seen corresponding path program 1 times [2020-07-20 22:02:37,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:02:37,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2109305256] [2020-07-20 22:02:37,107 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:02:37,234 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:02:37,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:02:37,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:02:37,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:02:37,328 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:02:37,328 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:02:37,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2109305256] [2020-07-20 22:02:37,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:02:37,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:02:37,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024431856] [2020-07-20 22:02:37,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:02:37,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:02:37,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:02:37,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:02:37,341 INFO L87 Difference]: Start difference. First operand 462 states and 642 transitions. Second operand 3 states. [2020-07-20 22:02:37,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:02:37,984 INFO L93 Difference]: Finished difference Result 1209 states and 1740 transitions. [2020-07-20 22:02:37,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:02:37,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2020-07-20 22:02:37,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:02:37,990 INFO L225 Difference]: With dead ends: 1209 [2020-07-20 22:02:37,990 INFO L226 Difference]: Without dead ends: 753 [2020-07-20 22:02:37,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:02:37,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2020-07-20 22:02:38,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 609. [2020-07-20 22:02:38,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2020-07-20 22:02:38,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 820 transitions. [2020-07-20 22:02:38,029 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 820 transitions. Word has length 143 [2020-07-20 22:02:38,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:02:38,030 INFO L479 AbstractCegarLoop]: Abstraction has 609 states and 820 transitions. [2020-07-20 22:02:38,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:02:38,030 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 820 transitions. [2020-07-20 22:02:38,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-07-20 22:02:38,034 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:02:38,034 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:02:38,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:02:38,250 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:02:38,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:02:38,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1177628319, now seen corresponding path program 1 times [2020-07-20 22:02:38,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:02:38,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1969636479] [2020-07-20 22:02:38,252 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:02:38,360 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:02:38,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:02:38,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 22:02:38,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:02:38,436 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:02:38,436 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:02:38,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1969636479] [2020-07-20 22:02:38,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:02:38,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 22:02:38,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741582737] [2020-07-20 22:02:38,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 22:02:38,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:02:38,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 22:02:38,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 22:02:38,439 INFO L87 Difference]: Start difference. First operand 609 states and 820 transitions. Second operand 5 states. [2020-07-20 22:02:39,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:02:39,286 INFO L93 Difference]: Finished difference Result 1827 states and 2557 transitions. [2020-07-20 22:02:39,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 22:02:39,291 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2020-07-20 22:02:39,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:02:39,307 INFO L225 Difference]: With dead ends: 1827 [2020-07-20 22:02:39,308 INFO L226 Difference]: Without dead ends: 1224 [2020-07-20 22:02:39,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-20 22:02:39,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2020-07-20 22:02:39,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1208. [2020-07-20 22:02:39,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2020-07-20 22:02:39,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1597 transitions. [2020-07-20 22:02:39,398 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1597 transitions. Word has length 147 [2020-07-20 22:02:39,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:02:39,399 INFO L479 AbstractCegarLoop]: Abstraction has 1208 states and 1597 transitions. [2020-07-20 22:02:39,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 22:02:39,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1597 transitions. [2020-07-20 22:02:39,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-20 22:02:39,407 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:02:39,408 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:02:39,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:02:39,624 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:02:39,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:02:39,624 INFO L82 PathProgramCache]: Analyzing trace with hash -194138565, now seen corresponding path program 1 times [2020-07-20 22:02:39,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:02:39,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1305863807] [2020-07-20 22:02:39,625 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:02:39,778 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:02:39,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:02:39,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 22:02:39,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:02:39,837 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:02:39,838 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:02:39,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1305863807] [2020-07-20 22:02:39,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:02:39,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 22:02:39,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861784134] [2020-07-20 22:02:39,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 22:02:39,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:02:39,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 22:02:39,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 22:02:39,842 INFO L87 Difference]: Start difference. First operand 1208 states and 1597 transitions. Second operand 5 states. [2020-07-20 22:02:40,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:02:40,778 INFO L93 Difference]: Finished difference Result 2890 states and 3972 transitions. [2020-07-20 22:02:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 22:02:40,782 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-07-20 22:02:40,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:02:40,795 INFO L225 Difference]: With dead ends: 2890 [2020-07-20 22:02:40,795 INFO L226 Difference]: Without dead ends: 1688 [2020-07-20 22:02:40,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-20 22:02:40,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2020-07-20 22:02:40,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1680. [2020-07-20 22:02:40,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2020-07-20 22:02:40,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2186 transitions. [2020-07-20 22:02:40,886 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2186 transitions. Word has length 156 [2020-07-20 22:02:40,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:02:40,886 INFO L479 AbstractCegarLoop]: Abstraction has 1680 states and 2186 transitions. [2020-07-20 22:02:40,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 22:02:40,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2186 transitions. [2020-07-20 22:02:40,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-20 22:02:40,897 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:02:40,898 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:02:41,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:02:41,113 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:02:41,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:02:41,114 INFO L82 PathProgramCache]: Analyzing trace with hash 817268652, now seen corresponding path program 1 times [2020-07-20 22:02:41,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:02:41,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1990834958] [2020-07-20 22:02:41,115 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:02:41,254 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:02:41,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:02:41,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:02:41,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:02:41,304 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:02:41,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:02:41,396 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:02:41,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1990834958] [2020-07-20 22:02:41,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:02:41,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 22:02:41,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681137882] [2020-07-20 22:02:41,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 22:02:41,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:02:41,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 22:02:41,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 22:02:41,399 INFO L87 Difference]: Start difference. First operand 1680 states and 2186 transitions. Second operand 6 states. [2020-07-20 22:02:42,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:02:42,216 INFO L93 Difference]: Finished difference Result 3362 states and 4385 transitions. [2020-07-20 22:02:42,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 22:02:42,217 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2020-07-20 22:02:42,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:02:42,224 INFO L225 Difference]: With dead ends: 3362 [2020-07-20 22:02:42,224 INFO L226 Difference]: Without dead ends: 1533 [2020-07-20 22:02:42,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 324 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-20 22:02:42,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2020-07-20 22:02:42,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1526. [2020-07-20 22:02:42,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-07-20 22:02:42,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1835 transitions. [2020-07-20 22:02:42,275 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1835 transitions. Word has length 165 [2020-07-20 22:02:42,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:02:42,275 INFO L479 AbstractCegarLoop]: Abstraction has 1526 states and 1835 transitions. [2020-07-20 22:02:42,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 22:02:42,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1835 transitions. [2020-07-20 22:02:42,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-07-20 22:02:42,281 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:02:42,281 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:02:42,494 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:02:42,495 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:02:42,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:02:42,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1421376036, now seen corresponding path program 1 times [2020-07-20 22:02:42,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:02:42,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [530446027] [2020-07-20 22:02:42,496 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:02:42,603 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:02:42,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:02:42,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 22:02:42,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:02:42,645 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:02:42,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:02:42,715 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:02:42,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [530446027] [2020-07-20 22:02:42,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:02:42,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 22:02:42,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699550519] [2020-07-20 22:02:42,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 22:02:42,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:02:42,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 22:02:42,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 22:02:42,718 INFO L87 Difference]: Start difference. First operand 1526 states and 1835 transitions. Second operand 6 states. [2020-07-20 22:02:44,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:02:44,097 INFO L93 Difference]: Finished difference Result 4976 states and 6577 transitions. [2020-07-20 22:02:44,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 22:02:44,098 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 169 [2020-07-20 22:02:44,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:02:44,120 INFO L225 Difference]: With dead ends: 4976 [2020-07-20 22:02:44,120 INFO L226 Difference]: Without dead ends: 3456 [2020-07-20 22:02:44,128 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-20 22:02:44,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3456 states. [2020-07-20 22:02:44,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3456 to 3213. [2020-07-20 22:02:44,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3213 states. [2020-07-20 22:02:44,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 3213 states and 3885 transitions. [2020-07-20 22:02:44,235 INFO L78 Accepts]: Start accepts. Automaton has 3213 states and 3885 transitions. Word has length 169 [2020-07-20 22:02:44,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:02:44,235 INFO L479 AbstractCegarLoop]: Abstraction has 3213 states and 3885 transitions. [2020-07-20 22:02:44,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 22:02:44,236 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 3885 transitions. [2020-07-20 22:02:44,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-07-20 22:02:44,244 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:02:44,245 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:02:44,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:02:44,458 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:02:44,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:02:44,458 INFO L82 PathProgramCache]: Analyzing trace with hash 26495599, now seen corresponding path program 1 times [2020-07-20 22:02:44,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:02:44,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916413467] [2020-07-20 22:02:44,459 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:02:44,559 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:02:44,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:02:44,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:02:44,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:02:44,621 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:02:44,621 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:02:44,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1916413467] [2020-07-20 22:02:44,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:02:44,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:02:44,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595642078] [2020-07-20 22:02:44,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:02:44,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:02:44,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:02:44,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:02:44,624 INFO L87 Difference]: Start difference. First operand 3213 states and 3885 transitions. Second operand 3 states. [2020-07-20 22:02:45,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:02:45,221 INFO L93 Difference]: Finished difference Result 6267 states and 7621 transitions. [2020-07-20 22:02:45,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:02:45,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2020-07-20 22:02:45,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:02:45,244 INFO L225 Difference]: With dead ends: 6267 [2020-07-20 22:02:45,245 INFO L226 Difference]: Without dead ends: 3064 [2020-07-20 22:02:45,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:02:45,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3064 states. [2020-07-20 22:02:45,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3064 to 2918. [2020-07-20 22:02:45,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2918 states. [2020-07-20 22:02:45,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 3378 transitions. [2020-07-20 22:02:45,336 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 3378 transitions. Word has length 179 [2020-07-20 22:02:45,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:02:45,337 INFO L479 AbstractCegarLoop]: Abstraction has 2918 states and 3378 transitions. [2020-07-20 22:02:45,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:02:45,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 3378 transitions. [2020-07-20 22:02:45,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-07-20 22:02:45,348 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:02:45,348 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:02:45,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:02:45,562 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:02:45,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:02:45,563 INFO L82 PathProgramCache]: Analyzing trace with hash 830204512, now seen corresponding path program 1 times [2020-07-20 22:02:45,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:02:45,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [717241765] [2020-07-20 22:02:45,564 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:02:45,704 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:02:45,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:02:45,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:02:45,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:02:45,765 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 153 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-07-20 22:02:45,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:02:45,868 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 129 proven. 45 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-07-20 22:02:45,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [717241765] [2020-07-20 22:02:45,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:02:45,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 22:02:45,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485093272] [2020-07-20 22:02:45,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 22:02:45,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:02:45,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 22:02:45,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 22:02:45,871 INFO L87 Difference]: Start difference. First operand 2918 states and 3378 transitions. Second operand 6 states. [2020-07-20 22:02:46,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:02:46,835 INFO L93 Difference]: Finished difference Result 5536 states and 6438 transitions. [2020-07-20 22:02:46,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 22:02:46,836 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 235 [2020-07-20 22:02:46,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:02:46,836 INFO L225 Difference]: With dead ends: 5536 [2020-07-20 22:02:46,836 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 22:02:46,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 466 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-20 22:02:46,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 22:02:46,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 22:02:46,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 22:02:46,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 22:02:46,849 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 235 [2020-07-20 22:02:46,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:02:46,850 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 22:02:46,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 22:02:46,850 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 22:02:46,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 22:02:47,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:02:47,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 22:02:48,180 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 60 [2020-07-20 22:02:48,414 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 39 [2020-07-20 22:02:48,659 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 39 [2020-07-20 22:02:48,664 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 22:02:48,665 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) [2020-07-20 22:02:48,665 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 22:02:48,665 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,665 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,665 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,665 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,665 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,665 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 22:02:48,666 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 22:02:48,666 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 22:02:48,666 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 22:02:48,666 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 22:02:48,666 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 22:02:48,666 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 22:02:48,666 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 22:02:48,666 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 22:02:48,666 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 22:02:48,666 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 22:02:48,667 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 22:02:48,667 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 22:02:48,667 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,667 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,667 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,667 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,667 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 22:02:48,667 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,668 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 22:02:48,668 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 22:02:48,668 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 22:02:48,668 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 22:02:48,668 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 22:02:48,668 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 22:02:48,668 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 22:02:48,669 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 22:02:48,669 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 22:02:48,669 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 22:02:48,669 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 22:02:48,669 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 22:02:48,669 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 22:02:48,669 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 22:02:48,669 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 22:02:48,670 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,670 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,670 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,670 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,670 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,670 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 517) no Hoare annotation was computed. [2020-07-20 22:02:48,670 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 22:02:48,671 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 22:02:48,671 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 22:02:48,671 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 22:02:48,671 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 22:02:48,671 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 22:02:48,671 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 22:02:48,671 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 22:02:48,671 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 22:02:48,672 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 22:02:48,672 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 22:02:48,672 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,672 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,672 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,672 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,672 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,672 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 22:02:48,673 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 22:02:48,673 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 22:02:48,673 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 22:02:48,673 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 22:02:48,673 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 22:02:48,673 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 22:02:48,673 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 22:02:48,673 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 22:02:48,674 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 22:02:48,674 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 22:02:48,674 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 22:02:48,674 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 22:02:48,674 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,674 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,674 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,674 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,675 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,675 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 22:02:48,675 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 22:02:48,675 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 22:02:48,675 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 22:02:48,675 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 22:02:48,675 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 22:02:48,675 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 22:02:48,676 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 22:02:48,676 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 22:02:48,676 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 22:02:48,676 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 22:02:48,676 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 22:02:48,676 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 22:02:48,676 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 22:02:48,676 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 22:02:48,677 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 22:02:48,677 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,677 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,677 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,677 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,677 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 22:02:48,677 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,677 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 22:02:48,677 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,678 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 22:02:48,678 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 22:02:48,678 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 22:02:48,678 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,678 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,678 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 22:02:48,678 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 22:02:48,678 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 22:02:48,678 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 22:02:48,678 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 22:02:48,678 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 22:02:48,678 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 22:02:48,678 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 22:02:48,678 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 22:02:48,679 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 22:02:48,679 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 22:02:48,679 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,679 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,679 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,679 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,679 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,679 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,679 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 22:02:48,679 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 22:02:48,679 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 22:02:48,679 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 22:02:48,679 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 22:02:48,679 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 22:02:48,680 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 22:02:48,680 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 22:02:48,680 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 22:02:48,680 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 22:02:48,680 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 22:02:48,680 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,680 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,680 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,680 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,680 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,680 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,681 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 22:02:48,681 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 22:02:48,681 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 22:02:48,681 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 22:02:48,681 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 22:02:48,681 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 22:02:48,681 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 22:02:48,681 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 22:02:48,681 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 22:02:48,681 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 22:02:48,681 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 22:02:48,681 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 22:02:48,682 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 22:02:48,682 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 22:02:48,682 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,682 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,682 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,682 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 |old(~a28~0)|)) (.cse10 (<= 8 ~a17~0)) (.cse2 (= ~a19~0 |old(~a19~0)|)) (.cse12 (= ~a25~0 |old(~a25~0)|))) (let ((.cse6 (not (<= 11 |old(~a28~0)|))) (.cse3 (<= 11 ~a28~0)) (.cse11 (<= 9 ~a28~0)) (.cse8 (not (<= 9 |old(~a28~0)|))) (.cse15 (not (<= 10 |old(~a28~0)|))) (.cse14 (<= 10 ~a28~0)) (.cse7 (not (<= |old(~a28~0)| 10))) (.cse9 (not (<= 8 |old(~a17~0)|))) (.cse17 (and .cse1 .cse10 .cse2 .cse12)) (.cse13 (not (<= |old(~a19~0)| 0))) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse16 (not (<= |old(~a28~0)| 7))) (.cse5 (not (= 1 |old(~a25~0)|))) (.cse4 (= 1 ~a25~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6) (or .cse0 .cse7 .cse8 .cse9 (and .cse1 .cse10 .cse2 .cse11 .cse12)) (or .cse13 .cse6 .cse3) (or .cse0 (and (<= ~a28~0 10) .cse14 .cse2) .cse7 .cse15) (or (and .cse1 .cse2 .cse11 .cse12) .cse8 .cse13) (or .cse0 .cse7 (and .cse1 .cse10 .cse2 .cse4) .cse9 .cse5) (or .cse13 .cse15 .cse14) (or .cse0 .cse16 .cse9 .cse17) (or .cse7 .cse9 .cse17 .cse13) (or .cse0 .cse16 .cse5 (and .cse1 .cse2 .cse4))))) [2020-07-20 22:02:48,682 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,682 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,682 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,682 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 22:02:48,682 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 22:02:48,683 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 22:02:48,683 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 22:02:48,683 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 22:02:48,683 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 22:02:48,683 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 22:02:48,683 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 22:02:48,683 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 22:02:48,683 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 22:02:48,683 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 22:02:48,684 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 22:02:48,684 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 22:02:48,684 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,684 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,684 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,684 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,684 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,685 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,685 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 22:02:48,685 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 22:02:48,685 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 22:02:48,685 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 22:02:48,685 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 22:02:48,685 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 22:02:48,685 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 22:02:48,685 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 22:02:48,685 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 22:02:48,685 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 22:02:48,685 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 22:02:48,685 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 22:02:48,685 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 22:02:48,686 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 22:02:48,686 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 22:02:48,686 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 22:02:48,686 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,686 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,686 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,686 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,686 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:02:48,686 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 22:02:48,686 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 22:02:48,686 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 22:02:48,686 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 22:02:48,686 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 22:02:48,686 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 22:02:48,687 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 22:02:48,687 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 22:02:48,687 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 22:02:48,687 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 22:02:48,687 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 22:02:48,687 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 22:02:48,687 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 22:02:48,687 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 22:02:48,688 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 22:02:48,688 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 22:02:48,688 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 22:02:48,688 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 22:02:48,688 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 22:02:48,688 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 22:02:48,688 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= 8 ~a17~0) (<= ~a28~0 7)) [2020-07-20 22:02:48,688 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 22:02:48,689 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 22:02:48,689 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and (<= ~a28~0 |old(~a28~0)|) (<= 8 ~a17~0) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|))) [2020-07-20 22:02:48,689 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (<= ~a28~0 7)) (.cse5 (<= 9 ~a28~0)) (.cse4 (<= ~a28~0 10)) (.cse0 (= 1 ~a19~0)) (.cse1 (= 1 ~a25~0)) (.cse3 (<= 8 ~a17~0)) (.cse6 (<= ~a19~0 0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 (<= 11 ~a28~0) .cse1) (and .cse0 .cse2 .cse1) (and .cse0 .cse3 .cse4 .cse5) (and .cse0 .cse3 .cse2) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and .cse6 .cse5) (and .cse0 .cse4 (<= 10 ~a28~0)) (and .cse0 .cse3 .cse1) (and .cse3 .cse6))) [2020-07-20 22:02:48,689 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 22:02:48,689 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 22:02:48,690 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (<= ~a28~0 7)) (.cse5 (<= 9 ~a28~0)) (.cse4 (<= ~a28~0 10)) (.cse0 (= 1 ~a19~0)) (.cse1 (= 1 ~a25~0)) (.cse3 (<= 8 ~a17~0)) (.cse6 (<= ~a19~0 0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 (<= 11 ~a28~0) .cse1) (and .cse0 .cse2 .cse1) (and .cse0 .cse3 .cse4 .cse5) (and .cse0 .cse3 .cse2) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and .cse6 .cse5) (and .cse0 .cse4 (<= 10 ~a28~0)) (and .cse0 .cse3 .cse1) (and .cse3 .cse6))) [2020-07-20 22:02:48,690 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 22:02:48,690 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 22:02:48,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:02:48 BoogieIcfgContainer [2020-07-20 22:02:48,715 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 22:02:48,717 INFO L168 Benchmark]: Toolchain (without parser) took 16592.40 ms. Allocated memory was 137.4 MB in the beginning and 480.8 MB in the end (delta: 343.4 MB). Free memory was 99.0 MB in the beginning and 416.4 MB in the end (delta: -317.4 MB). Peak memory consumption was 307.3 MB. Max. memory is 7.1 GB. [2020-07-20 22:02:48,717 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 22:02:48,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.06 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 98.5 MB in the beginning and 169.0 MB in the end (delta: -70.4 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. [2020-07-20 22:02:48,719 INFO L168 Benchmark]: Boogie Preprocessor took 129.24 ms. Allocated memory is still 202.9 MB. Free memory was 169.0 MB in the beginning and 164.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-20 22:02:48,720 INFO L168 Benchmark]: RCFGBuilder took 1180.59 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 164.1 MB in the beginning and 179.1 MB in the end (delta: -15.0 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2020-07-20 22:02:48,721 INFO L168 Benchmark]: TraceAbstraction took 14550.16 ms. Allocated memory was 234.4 MB in the beginning and 480.8 MB in the end (delta: 246.4 MB). Free memory was 179.1 MB in the beginning and 416.4 MB in the end (delta: -237.3 MB). Peak memory consumption was 290.4 MB. Max. memory is 7.1 GB. [2020-07-20 22:02:48,725 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 726.06 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 98.5 MB in the beginning and 169.0 MB in the end (delta: -70.4 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.24 ms. Allocated memory is still 202.9 MB. Free memory was 169.0 MB in the beginning and 164.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1180.59 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 164.1 MB in the beginning and 179.1 MB in the end (delta: -15.0 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14550.16 ms. Allocated memory was 234.4 MB in the beginning and 480.8 MB in the end (delta: 246.4 MB). Free memory was 179.1 MB in the beginning and 416.4 MB in the end (delta: -237.3 MB). Peak memory consumption was 290.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 517]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((!(1 == \old(a19)) || ((1 == a19 && 11 <= a28) && 1 == a25)) || ((1 == a19 && a28 <= 7) && 1 == a25)) || (((1 == a19 && 8 <= a17) && a28 <= 10) && 9 <= a28)) || ((1 == a19 && 8 <= a17) && a28 <= 7)) || !(\old(a28) <= 7)) || !(8 <= \old(a17))) || (a19 <= 0 && 9 <= a28)) || ((1 == a19 && a28 <= 10) && 10 <= a28)) || ((1 == a19 && 8 <= a17) && 1 == a25)) || (8 <= a17 && a19 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.8s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1142 SDtfs, 2757 SDslu, 517 SDs, 0 SdLazy, 5472 SolverSat, 989 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2033 GetRequests, 1992 SyntacticMatches, 4 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3213occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 710 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 110 PreInvPairs, 160 NumberOfFragments, 461 HoareAnnotationTreeSize, 110 FomulaSimplifications, 4126 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1659 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1451 NumberOfCodeBlocks, 1451 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 2008 ConstructedInterpolants, 0 QuantifiedInterpolants, 647116 SizeOfPredicates, 11 NumberOfNonLiveVariables, 3512 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 750/805 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...