/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 23:29:48,808 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-19 23:29:48,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 23:29:48,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 23:29:48,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 23:29:48,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 23:29:48,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 23:29:48,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 23:29:48,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 23:29:48,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 23:29:48,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 23:29:48,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 23:29:48,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 23:29:48,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 23:29:48,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 23:29:48,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 23:29:48,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 23:29:48,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 23:29:48,868 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 [2020-07-19 23:29:48,891 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 23:29:48,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 23:29:48,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 23:29:48,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 23:29:48,895 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 23:29:48,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 23:29:48,895 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 23:29:48,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 23:29:48,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 23:29:48,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 23:29:48,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 23:29:48,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 23:29:48,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 23:29:48,898 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 23:29:48,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 23:29:48,898 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 23:29:48,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 23:29:48,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 23:29:48,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 23:29:48,900 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 23:29:48,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 23:29:48,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 23:29:48,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 23:29:48,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 23:29:48,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 23:29:48,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 23:29:48,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 23:29:48,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 23:29:48,905 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 23:29:48,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 23:29:49,270 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 23:29:49,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 23:29:49,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 23:29:49,297 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 23:29:49,298 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 23:29:49,299 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label40.c [2020-07-19 23:29:49,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0780fbab/84f4ecd0764641f48c1d15cd80646560/FLAG757f4a66b [2020-07-19 23:29:50,067 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 23:29:50,068 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label40.c [2020-07-19 23:29:50,084 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0780fbab/84f4ecd0764641f48c1d15cd80646560/FLAG757f4a66b [2020-07-19 23:29:50,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0780fbab/84f4ecd0764641f48c1d15cd80646560 [2020-07-19 23:29:50,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 23:29:50,257 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 23:29:50,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 23:29:50,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 23:29:50,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 23:29:50,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:29:50" (1/1) ... [2020-07-19 23:29:50,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560eb4bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:50, skipping insertion in model container [2020-07-19 23:29:50,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:29:50" (1/1) ... [2020-07-19 23:29:50,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 23:29:50,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 23:29:50,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 23:29:50,922 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 23:29:51,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 23:29:51,215 INFO L208 MainTranslator]: Completed translation [2020-07-19 23:29:51,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:51 WrapperNode [2020-07-19 23:29:51,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 23:29:51,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 23:29:51,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 23:29:51,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 23:29:51,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:51" (1/1) ... [2020-07-19 23:29:51,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:51" (1/1) ... [2020-07-19 23:29:51,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:51" (1/1) ... [2020-07-19 23:29:51,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:51" (1/1) ... [2020-07-19 23:29:51,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:51" (1/1) ... [2020-07-19 23:29:51,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:51" (1/1) ... [2020-07-19 23:29:51,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:51" (1/1) ... [2020-07-19 23:29:51,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 23:29:51,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 23:29:51,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 23:29:51,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 23:29:51,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:51" (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 [2020-07-19 23:29:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 23:29:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 23:29:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-19 23:29:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 23:29:51,430 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-19 23:29:51,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 23:29:51,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 23:29:51,431 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-19 23:29:51,432 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 23:29:51,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 23:29:51,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 23:29:52,828 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 23:29:52,829 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 23:29:52,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:29:52 BoogieIcfgContainer [2020-07-19 23:29:52,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 23:29:52,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 23:29:52,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 23:29:52,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 23:29:52,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:29:50" (1/3) ... [2020-07-19 23:29:52,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc5767e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:29:52, skipping insertion in model container [2020-07-19 23:29:52,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:51" (2/3) ... [2020-07-19 23:29:52,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc5767e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:29:52, skipping insertion in model container [2020-07-19 23:29:52,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:29:52" (3/3) ... [2020-07-19 23:29:52,851 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label40.c [2020-07-19 23:29:52,862 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 23:29:52,871 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 23:29:52,887 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 23:29:52,918 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 23:29:52,918 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 23:29:52,918 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 23:29:52,919 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 23:29:52,919 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 23:29:52,919 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 23:29:52,919 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 23:29:52,919 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 23:29:52,947 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-19 23:29:52,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-19 23:29:52,958 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:29:52,959 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] [2020-07-19 23:29:52,960 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:29:52,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:29:52,967 INFO L82 PathProgramCache]: Analyzing trace with hash -576444522, now seen corresponding path program 1 times [2020-07-19 23:29:52,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:29:52,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095072676] [2020-07-19 23:29:52,978 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d5d6499 [2020-07-19 23:29:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:53,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:29:53,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095072676] [2020-07-19 23:29:53,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:29:53,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 23:29:53,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099788724] [2020-07-19 23:29:53,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 23:29:53,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:29:53,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 23:29:53,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 23:29:53,384 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-07-19 23:29:55,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:29:55,931 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-07-19 23:29:55,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 23:29:55,934 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-07-19 23:29:55,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:29:55,953 INFO L225 Difference]: With dead ends: 730 [2020-07-19 23:29:55,953 INFO L226 Difference]: Without dead ends: 447 [2020-07-19 23:29:55,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 23:29:55,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-19 23:29:56,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-07-19 23:29:56,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-07-19 23:29:56,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-07-19 23:29:56,067 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 55 [2020-07-19 23:29:56,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:29:56,069 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-07-19 23:29:56,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 23:29:56,070 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-07-19 23:29:56,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-07-19 23:29:56,087 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:29:56,088 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:29:56,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 23:29:56,090 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:29:56,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:29:56,091 INFO L82 PathProgramCache]: Analyzing trace with hash -913027315, now seen corresponding path program 1 times [2020-07-19 23:29:56,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:29:56,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572665777] [2020-07-19 23:29:56,092 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d5d6499 [2020-07-19 23:29:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:56,428 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:29:56,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572665777] [2020-07-19 23:29:56,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:29:56,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 23:29:56,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097999211] [2020-07-19 23:29:56,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 23:29:56,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:29:56,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 23:29:56,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:29:56,433 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-07-19 23:29:58,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:29:58,511 INFO L93 Difference]: Finished difference Result 1041 states and 1612 transitions. [2020-07-19 23:29:58,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 23:29:58,513 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 128 [2020-07-19 23:29:58,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:29:58,523 INFO L225 Difference]: With dead ends: 1041 [2020-07-19 23:29:58,523 INFO L226 Difference]: Without dead ends: 606 [2020-07-19 23:29:58,526 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-07-19 23:29:58,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-07-19 23:29:58,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 592. [2020-07-19 23:29:58,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-07-19 23:29:58,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 829 transitions. [2020-07-19 23:29:58,600 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 829 transitions. Word has length 128 [2020-07-19 23:29:58,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:29:58,603 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 829 transitions. [2020-07-19 23:29:58,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 23:29:58,604 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2020-07-19 23:29:58,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-19 23:29:58,611 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:29:58,611 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:29:58,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 23:29:58,612 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:29:58,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:29:58,612 INFO L82 PathProgramCache]: Analyzing trace with hash 952189433, now seen corresponding path program 1 times [2020-07-19 23:29:58,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:29:58,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071780573] [2020-07-19 23:29:58,613 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d5d6499 [2020-07-19 23:29:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:58,949 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 31 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:29:58,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071780573] [2020-07-19 23:29:58,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718473088] [2020-07-19 23:29:58,950 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e05c48d No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:29:59,068 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e05c48d issued 4 check-sat command(s) [2020-07-19 23:29:59,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:29:59,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:29:59,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:29:59,152 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:29:59,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:29:59,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2020-07-19 23:29:59,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036527014] [2020-07-19 23:29:59,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 23:29:59,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:29:59,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 23:29:59,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-19 23:29:59,156 INFO L87 Difference]: Start difference. First operand 592 states and 829 transitions. Second operand 3 states. [2020-07-19 23:30:00,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:30:00,008 INFO L93 Difference]: Finished difference Result 1756 states and 2510 transitions. [2020-07-19 23:30:00,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 23:30:00,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2020-07-19 23:30:00,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:30:00,023 INFO L225 Difference]: With dead ends: 1756 [2020-07-19 23:30:00,024 INFO L226 Difference]: Without dead ends: 1170 [2020-07-19 23:30:00,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-19 23:30:00,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2020-07-19 23:30:00,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1023. [2020-07-19 23:30:00,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1023 states. [2020-07-19 23:30:00,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1444 transitions. [2020-07-19 23:30:00,092 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1444 transitions. Word has length 134 [2020-07-19 23:30:00,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:30:00,096 INFO L479 AbstractCegarLoop]: Abstraction has 1023 states and 1444 transitions. [2020-07-19 23:30:00,096 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 23:30:00,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1444 transitions. [2020-07-19 23:30:00,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-19 23:30:00,105 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:30:00,106 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:30:00,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-19 23:30:00,322 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:30:00,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:30:00,323 INFO L82 PathProgramCache]: Analyzing trace with hash -296475546, now seen corresponding path program 1 times [2020-07-19 23:30:00,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:30:00,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905414321] [2020-07-19 23:30:00,324 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d5d6499 [2020-07-19 23:30:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:00,681 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:30:00,682 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905414321] [2020-07-19 23:30:00,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:30:00,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 23:30:00,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952538248] [2020-07-19 23:30:00,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 23:30:00,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:30:00,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 23:30:00,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:30:00,686 INFO L87 Difference]: Start difference. First operand 1023 states and 1444 transitions. Second operand 8 states. [2020-07-19 23:30:03,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:30:03,165 INFO L93 Difference]: Finished difference Result 2370 states and 3400 transitions. [2020-07-19 23:30:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-19 23:30:03,168 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 167 [2020-07-19 23:30:03,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:30:03,180 INFO L225 Difference]: With dead ends: 2370 [2020-07-19 23:30:03,181 INFO L226 Difference]: Without dead ends: 1353 [2020-07-19 23:30:03,184 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-07-19 23:30:03,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2020-07-19 23:30:03,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 1045. [2020-07-19 23:30:03,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2020-07-19 23:30:03,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1316 transitions. [2020-07-19 23:30:03,235 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1316 transitions. Word has length 167 [2020-07-19 23:30:03,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:30:03,236 INFO L479 AbstractCegarLoop]: Abstraction has 1045 states and 1316 transitions. [2020-07-19 23:30:03,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 23:30:03,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1316 transitions. [2020-07-19 23:30:03,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-19 23:30:03,239 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:30:03,240 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:30:03,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 23:30:03,240 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:30:03,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:30:03,241 INFO L82 PathProgramCache]: Analyzing trace with hash 528848677, now seen corresponding path program 1 times [2020-07-19 23:30:03,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:30:03,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946960264] [2020-07-19 23:30:03,242 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d5d6499 [2020-07-19 23:30:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:03,460 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:30:03,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946960264] [2020-07-19 23:30:03,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:30:03,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 23:30:03,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558634162] [2020-07-19 23:30:03,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 23:30:03,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:30:03,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 23:30:03,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 23:30:03,463 INFO L87 Difference]: Start difference. First operand 1045 states and 1316 transitions. Second operand 7 states. [2020-07-19 23:30:04,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:30:04,867 INFO L93 Difference]: Finished difference Result 2261 states and 2836 transitions. [2020-07-19 23:30:04,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 23:30:04,869 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 172 [2020-07-19 23:30:04,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:30:04,876 INFO L225 Difference]: With dead ends: 2261 [2020-07-19 23:30:04,876 INFO L226 Difference]: Without dead ends: 1222 [2020-07-19 23:30:04,879 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-07-19 23:30:04,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2020-07-19 23:30:04,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 1047. [2020-07-19 23:30:04,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1047 states. [2020-07-19 23:30:04,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1272 transitions. [2020-07-19 23:30:04,916 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1272 transitions. Word has length 172 [2020-07-19 23:30:04,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:30:04,917 INFO L479 AbstractCegarLoop]: Abstraction has 1047 states and 1272 transitions. [2020-07-19 23:30:04,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 23:30:04,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1272 transitions. [2020-07-19 23:30:04,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-07-19 23:30:04,922 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:30:04,923 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:30:04,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 23:30:04,923 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:30:04,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:30:04,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1123243390, now seen corresponding path program 1 times [2020-07-19 23:30:04,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:30:04,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122450487] [2020-07-19 23:30:04,925 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d5d6499 [2020-07-19 23:30:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:05,242 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-07-19 23:30:05,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122450487] [2020-07-19 23:30:05,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457158639] [2020-07-19 23:30:05,243 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5802706f No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:30:05,441 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5802706f issued 4 check-sat command(s) [2020-07-19 23:30:05,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:30:05,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:30:05,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:30:05,512 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:30:05,992 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-07-19 23:30:05,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:30:05,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-19 23:30:05,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973243563] [2020-07-19 23:30:05,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 23:30:05,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:30:05,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 23:30:06,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 23:30:06,007 INFO L87 Difference]: Start difference. First operand 1047 states and 1272 transitions. Second operand 3 states. [2020-07-19 23:30:07,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:30:07,276 INFO L93 Difference]: Finished difference Result 2672 states and 3359 transitions. [2020-07-19 23:30:07,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 23:30:07,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237 [2020-07-19 23:30:07,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:30:07,289 INFO L225 Difference]: With dead ends: 2672 [2020-07-19 23:30:07,290 INFO L226 Difference]: Without dead ends: 1774 [2020-07-19 23:30:07,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 23:30:07,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2020-07-19 23:30:07,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1486. [2020-07-19 23:30:07,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1486 states. [2020-07-19 23:30:07,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 1809 transitions. [2020-07-19 23:30:07,353 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 1809 transitions. Word has length 237 [2020-07-19 23:30:07,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:30:07,354 INFO L479 AbstractCegarLoop]: Abstraction has 1486 states and 1809 transitions. [2020-07-19 23:30:07,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 23:30:07,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 1809 transitions. [2020-07-19 23:30:07,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-07-19 23:30:07,359 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:30:07,360 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:30:07,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:30:07,576 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:30:07,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:30:07,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1661435255, now seen corresponding path program 1 times [2020-07-19 23:30:07,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:30:07,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591236331] [2020-07-19 23:30:07,578 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d5d6499 [2020-07-19 23:30:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:08,476 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 100 proven. 65 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 23:30:08,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591236331] [2020-07-19 23:30:08,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671562803] [2020-07-19 23:30:08,478 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7612a54b No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:30:08,634 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7612a54b issued 4 check-sat command(s) [2020-07-19 23:30:08,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:30:08,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:30:08,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:30:08,683 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-19 23:30:08,684 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:30:08,764 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:30:08,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:30:08,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 14 [2020-07-19 23:30:08,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860427484] [2020-07-19 23:30:08,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-19 23:30:08,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:30:08,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-19 23:30:08,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-07-19 23:30:08,769 INFO L87 Difference]: Start difference. First operand 1486 states and 1809 transitions. Second operand 14 states. [2020-07-19 23:30:14,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:30:14,830 INFO L93 Difference]: Finished difference Result 4349 states and 5731 transitions. [2020-07-19 23:30:14,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-07-19 23:30:14,836 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 242 [2020-07-19 23:30:14,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:30:14,856 INFO L225 Difference]: With dead ends: 4349 [2020-07-19 23:30:14,856 INFO L226 Difference]: Without dead ends: 3012 [2020-07-19 23:30:14,862 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=358, Invalid=1448, Unknown=0, NotChecked=0, Total=1806 [2020-07-19 23:30:14,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3012 states. [2020-07-19 23:30:14,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3012 to 2831. [2020-07-19 23:30:14,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2831 states. [2020-07-19 23:30:14,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3471 transitions. [2020-07-19 23:30:14,955 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3471 transitions. Word has length 242 [2020-07-19 23:30:14,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:30:14,955 INFO L479 AbstractCegarLoop]: Abstraction has 2831 states and 3471 transitions. [2020-07-19 23:30:14,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-19 23:30:14,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3471 transitions. [2020-07-19 23:30:14,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-07-19 23:30:14,962 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:30:14,963 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:30:15,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:30:15,177 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:30:15,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:30:15,178 INFO L82 PathProgramCache]: Analyzing trace with hash -14922590, now seen corresponding path program 1 times [2020-07-19 23:30:15,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:30:15,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616822340] [2020-07-19 23:30:15,179 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d5d6499 [2020-07-19 23:30:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:15,687 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 100 proven. 74 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 23:30:15,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616822340] [2020-07-19 23:30:15,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479844311] [2020-07-19 23:30:15,688 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@365ab317 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:30:15,884 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@365ab317 issued 4 check-sat command(s) [2020-07-19 23:30:15,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:30:15,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:30:15,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:30:16,020 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 173 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:30:16,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:30:16,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2020-07-19 23:30:16,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389476328] [2020-07-19 23:30:16,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-19 23:30:16,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:30:16,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-19 23:30:16,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-07-19 23:30:16,024 INFO L87 Difference]: Start difference. First operand 2831 states and 3471 transitions. Second operand 13 states. [2020-07-19 23:30:21,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:30:21,194 INFO L93 Difference]: Finished difference Result 7991 states and 9947 transitions. [2020-07-19 23:30:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-19 23:30:21,194 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 251 [2020-07-19 23:30:21,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:30:21,210 INFO L225 Difference]: With dead ends: 7991 [2020-07-19 23:30:21,210 INFO L226 Difference]: Without dead ends: 3536 [2020-07-19 23:30:21,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=309, Invalid=1097, Unknown=0, NotChecked=0, Total=1406 [2020-07-19 23:30:21,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3536 states. [2020-07-19 23:30:21,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3536 to 2813. [2020-07-19 23:30:21,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2813 states. [2020-07-19 23:30:21,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3394 transitions. [2020-07-19 23:30:21,312 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3394 transitions. Word has length 251 [2020-07-19 23:30:21,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:30:21,312 INFO L479 AbstractCegarLoop]: Abstraction has 2813 states and 3394 transitions. [2020-07-19 23:30:21,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-19 23:30:21,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3394 transitions. [2020-07-19 23:30:21,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-07-19 23:30:21,320 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:30:21,320 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 23:30:21,534 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:30:21,535 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:30:21,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:30:21,535 INFO L82 PathProgramCache]: Analyzing trace with hash 253048858, now seen corresponding path program 1 times [2020-07-19 23:30:21,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:30:21,536 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801321583] [2020-07-19 23:30:21,536 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d5d6499 [2020-07-19 23:30:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:22,513 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 177 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 23:30:22,513 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801321583] [2020-07-19 23:30:22,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162739271] [2020-07-19 23:30:22,514 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@42597478 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:30:22,719 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@42597478 issued 4 check-sat command(s) [2020-07-19 23:30:22,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:30:22,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-19 23:30:22,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:30:22,801 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:30:22,806 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:30:22,810 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:30:22,819 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:30:22,825 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:30:22,826 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:30:22,830 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:30:22,837 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:30:22,839 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:30:22,843 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:30:22,845 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:30:22,846 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:30:22,848 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:30:22,857 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:30:22,859 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:30:22,860 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:30:22,864 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:30:22,865 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:30:22,869 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:30:22,875 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:30:22,877 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:30:22,880 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:30:22,882 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:30:22,884 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:30:22,887 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:30:22,889 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:30:40,335 WARN L193 SmtUtils]: Spent 16.89 s on a formula simplification. DAG size of input: 64 DAG size of output: 35 [2020-07-19 23:30:42,323 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-19 23:30:42,466 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-19 23:30:42,467 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:30:42,468 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:30:42,504 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:30:42,711 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 209 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:30:42,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:30:42,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 17 [2020-07-19 23:30:42,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044599474] [2020-07-19 23:30:42,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-19 23:30:42,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:30:42,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-19 23:30:42,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2020-07-19 23:30:42,715 INFO L87 Difference]: Start difference. First operand 2813 states and 3394 transitions. Second operand 17 states. [2020-07-19 23:30:50,170 WARN L193 SmtUtils]: Spent 6.19 s on a formula simplification. DAG size of input: 61 DAG size of output: 39 [2020-07-19 23:30:54,247 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2020-07-19 23:31:00,546 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-07-19 23:31:01,518 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2020-07-19 23:31:06,413 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2020-07-19 23:31:29,353 WARN L193 SmtUtils]: Spent 22.47 s on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2020-07-19 23:31:30,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:31:30,195 INFO L93 Difference]: Finished difference Result 6095 states and 7429 transitions. [2020-07-19 23:31:30,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-07-19 23:31:30,196 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 287 [2020-07-19 23:31:30,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:31:30,212 INFO L225 Difference]: With dead ends: 6095 [2020-07-19 23:31:30,213 INFO L226 Difference]: Without dead ends: 3431 [2020-07-19 23:31:30,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 283 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 56.7s TimeCoverageRelationStatistics Valid=471, Invalid=1599, Unknown=0, NotChecked=0, Total=2070 [2020-07-19 23:31:30,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3431 states. [2020-07-19 23:31:30,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3431 to 3405. [2020-07-19 23:31:30,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3405 states. [2020-07-19 23:31:30,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 3405 states and 4072 transitions. [2020-07-19 23:31:30,333 INFO L78 Accepts]: Start accepts. Automaton has 3405 states and 4072 transitions. Word has length 287 [2020-07-19 23:31:30,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:31:30,334 INFO L479 AbstractCegarLoop]: Abstraction has 3405 states and 4072 transitions. [2020-07-19 23:31:30,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-19 23:31:30,334 INFO L276 IsEmpty]: Start isEmpty. Operand 3405 states and 4072 transitions. [2020-07-19 23:31:30,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2020-07-19 23:31:30,343 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:31:30,344 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 23:31:30,559 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:31:30,560 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:31:30,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:31:30,560 INFO L82 PathProgramCache]: Analyzing trace with hash 273888777, now seen corresponding path program 1 times [2020-07-19 23:31:30,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:31:30,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543374801] [2020-07-19 23:31:30,561 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d5d6499 [2020-07-19 23:31:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:31:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:31:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:31:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:31:30,966 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-07-19 23:31:30,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543374801] [2020-07-19 23:31:30,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493003265] [2020-07-19 23:31:30,967 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39132d57 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:31:31,156 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39132d57 issued 4 check-sat command(s) [2020-07-19 23:31:31,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:31:31,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-19 23:31:31,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:31:31,262 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:31:31,266 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:31:31,267 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:31:31,268 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:31:31,269 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,271 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,272 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,279 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,281 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,281 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,282 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,287 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,290 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,292 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,293 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,294 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,295 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,296 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,298 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,301 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,301 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,302 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,303 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,304 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,305 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,308 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,310 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,311 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-19 23:31:31,311 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-19 23:31:31,312 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-19 23:31:31,313 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,314 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,314 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,320 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,322 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,323 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,324 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,329 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:31:31,330 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,331 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-19 23:31:31,331 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-19 23:31:31,333 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-19 23:31:31,334 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-07-19 23:31:31,335 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,336 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,337 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-19 23:31:31,338 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,339 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,341 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,342 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,343 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,344 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,345 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,349 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-19 23:31:31,351 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:31:31,353 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:31:31,354 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:31:31,354 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,355 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-19 23:31:31,356 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,356 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,357 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,358 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,359 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-19 23:31:31,360 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:31:31,362 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,363 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-19 23:31:31,364 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,366 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,367 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,368 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,369 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-19 23:31:31,371 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 23:31:31,371 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-19 23:31:31,372 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-07-19 23:31:31,373 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,374 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,375 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-19 23:31:31,376 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 23:31:31,376 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-19 23:32:26,172 WARN L193 SmtUtils]: Spent 46.01 s on a formula simplification. DAG size of input: 242 DAG size of output: 62 [2020-07-19 23:32:47,472 WARN L193 SmtUtils]: Spent 14.69 s on a formula simplification that was a NOOP. DAG size: 151 [2020-07-19 23:32:47,478 INFO L501 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-07-19 23:33:04,655 WARN L193 SmtUtils]: Spent 6.21 s on a formula simplification. DAG size of input: 107 DAG size of output: 28 [2020-07-19 23:33:04,975 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 6 proven. 95 refuted. 1 times theorem prover too weak. 111 trivial. 0 not checked. [2020-07-19 23:33:04,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:33:04,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9] total 12 [2020-07-19 23:33:04,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257661592] [2020-07-19 23:33:04,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 23:33:04,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:33:04,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 23:33:04,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=86, Unknown=11, NotChecked=0, Total=132 [2020-07-19 23:33:04,978 INFO L87 Difference]: Start difference. First operand 3405 states and 4072 transitions. Second operand 12 states. [2020-07-19 23:33:05,201 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-07-19 23:33:13,634 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 10 [2020-07-19 23:33:44,066 WARN L193 SmtUtils]: Spent 22.54 s on a formula simplification. DAG size of input: 190 DAG size of output: 33 [2020-07-19 23:33:44,827 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 37 [2020-07-19 23:34:09,836 WARN L193 SmtUtils]: Spent 21.09 s on a formula simplification. DAG size of input: 189 DAG size of output: 58 [2020-07-19 23:34:14,957 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 218 DAG size of output: 58 [2020-07-19 23:34:22,333 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 191 DAG size of output: 31 [2020-07-19 23:36:18,087 WARN L193 SmtUtils]: Spent 1.63 m on a formula simplification. DAG size of input: 181 DAG size of output: 132 [2020-07-19 23:36:29,170 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-07-19 23:37:20,418 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 68 DAG size of output: 7 [2020-07-19 23:38:24,623 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 10 [2020-07-19 23:39:26,216 WARN L193 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 194 DAG size of output: 33 [2020-07-19 23:41:07,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:41:07,751 INFO L93 Difference]: Finished difference Result 9051 states and 11009 transitions. [2020-07-19 23:41:07,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-19 23:41:07,789 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 306 [2020-07-19 23:41:07,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:41:07,790 INFO L225 Difference]: With dead ends: 9051 [2020-07-19 23:41:07,790 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 23:41:07,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 281.8s TimeCoverageRelationStatistics Valid=183, Invalid=392, Unknown=25, NotChecked=0, Total=600 [2020-07-19 23:41:07,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 23:41:07,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 23:41:07,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 23:41:07,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 23:41:07,810 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 306 [2020-07-19 23:41:07,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:41:07,811 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 23:41:07,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 23:41:07,811 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 23:41:07,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 23:41:08,012 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:41:08,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 23:41:10,552 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 342 [2020-07-19 23:41:10,971 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 342 [2020-07-19 23:41:11,178 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-07-19 23:41:12,193 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2020-07-19 23:41:27,742 WARN L193 SmtUtils]: Spent 15.52 s on a formula simplification. DAG size of input: 324 DAG size of output: 62 [2020-07-19 23:41:28,024 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-07-19 23:42:38,608 WARN L193 SmtUtils]: Spent 1.18 m on a formula simplification. DAG size of input: 338 DAG size of output: 61 [2020-07-19 23:44:00,637 WARN L193 SmtUtils]: Spent 1.37 m on a formula simplification. DAG size of input: 338 DAG size of output: 61 [2020-07-19 23:44:00,654 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:44:00,655 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2020-07-19 23:44:00,655 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:44:00,655 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-19 23:44:00,655 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,655 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,655 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,656 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,656 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,656 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,656 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-19 23:44:00,656 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-19 23:44:00,657 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-19 23:44:00,657 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-19 23:44:00,657 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-19 23:44:00,657 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-19 23:44:00,657 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-19 23:44:00,657 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-19 23:44:00,658 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-19 23:44:00,658 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-19 23:44:00,658 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-19 23:44:00,658 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,658 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,658 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,658 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,658 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,659 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-19 23:44:00,659 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-19 23:44:00,659 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-19 23:44:00,659 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-19 23:44:00,659 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-19 23:44:00,659 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-19 23:44:00,659 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-19 23:44:00,659 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-19 23:44:00,660 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-19 23:44:00,660 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-19 23:44:00,660 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-19 23:44:00,660 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-19 23:44:00,660 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-19 23:44:00,660 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed. [2020-07-19 23:44:00,660 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-19 23:44:00,660 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,661 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,661 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,661 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,661 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,661 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-19 23:44:00,661 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-19 23:44:00,661 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-19 23:44:00,661 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-19 23:44:00,662 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-19 23:44:00,662 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-19 23:44:00,662 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-19 23:44:00,664 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-19 23:44:00,664 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-19 23:44:00,665 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-19 23:44:00,666 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,666 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,666 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,668 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,668 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,669 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-19 23:44:00,669 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-19 23:44:00,669 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-19 23:44:00,669 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-19 23:44:00,669 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-19 23:44:00,669 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-19 23:44:00,669 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-19 23:44:00,669 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-19 23:44:00,669 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-19 23:44:00,670 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-19 23:44:00,670 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-19 23:44:00,670 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-19 23:44:00,670 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-19 23:44:00,670 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,672 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,672 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,673 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,673 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,673 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-19 23:44:00,673 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-19 23:44:00,673 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-19 23:44:00,673 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-19 23:44:00,673 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-19 23:44:00,673 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-19 23:44:00,674 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-19 23:44:00,674 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-19 23:44:00,674 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-19 23:44:00,674 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,674 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,674 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,674 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,674 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,674 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,675 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,675 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-19 23:44:00,675 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-19 23:44:00,675 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-19 23:44:00,675 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-19 23:44:00,675 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-19 23:44:00,675 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-19 23:44:00,675 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-19 23:44:00,675 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-19 23:44:00,675 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-19 23:44:00,676 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-19 23:44:00,676 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-19 23:44:00,676 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-19 23:44:00,677 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-19 23:44:00,677 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,677 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,677 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,678 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,678 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-19 23:44:00,678 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,678 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,678 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-19 23:44:00,678 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-19 23:44:00,678 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-19 23:44:00,678 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-19 23:44:00,678 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-19 23:44:00,679 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-19 23:44:00,679 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-19 23:44:00,679 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-19 23:44:00,680 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-19 23:44:00,680 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-19 23:44:00,680 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-19 23:44:00,680 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-19 23:44:00,680 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-19 23:44:00,680 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,680 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,680 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,680 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,681 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,681 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,681 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-19 23:44:00,681 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-19 23:44:00,681 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-19 23:44:00,681 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-19 23:44:00,681 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-19 23:44:00,681 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-19 23:44:00,681 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-19 23:44:00,682 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-19 23:44:00,682 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-19 23:44:00,682 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-19 23:44:00,682 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-19 23:44:00,682 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse5 (not (= 0 ~a12~0))) (.cse6 (not (= 14 ~a4~0))) (.cse0 (not (<= |old(~a1~0)| 23))) (.cse1 (not (<= 1 |old(~a10~0)|))) (.cse4 (not (<= |old(~a19~0)| 8))) (.cse2 (not (<= |old(~a19~0)| 9))) (.cse3 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 9 |old(~a19~0)|)) (= 2 |old(~a10~0)|) .cse3) (or .cse4 .cse5 .cse6 (not (<= 41 |old(~a1~0)|)) .cse3) (or .cse1 .cse5 .cse6 .cse2 .cse3 (forall ((v_~a1~0_346 Int)) (let ((.cse7 (mod v_~a1~0_346 299890))) (or (not (< v_~a1~0_346 0)) (= 0 .cse7) (not (<= (+ .cse7 218) |old(~a1~0)|)))))) (or .cse0 .cse4 (= 8 |old(~a19~0)|) .cse3) (or .cse1 .cse4 .cse2 .cse3))) [2020-07-19 23:44:00,682 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-19 23:44:00,682 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-19 23:44:00,683 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-19 23:44:00,683 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,683 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,683 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,683 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,683 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,683 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,683 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-19 23:44:00,683 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-19 23:44:00,684 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-19 23:44:00,684 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-19 23:44:00,684 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-19 23:44:00,684 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-19 23:44:00,684 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-19 23:44:00,684 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-19 23:44:00,684 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-19 23:44:00,684 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-19 23:44:00,684 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-19 23:44:00,684 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-19 23:44:00,685 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-19 23:44:00,685 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,685 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,685 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,685 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,685 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,685 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,685 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-19 23:44:00,685 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-19 23:44:00,686 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-19 23:44:00,686 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-19 23:44:00,686 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-19 23:44:00,686 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-19 23:44:00,686 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-19 23:44:00,686 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-19 23:44:00,686 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-19 23:44:00,686 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-19 23:44:00,686 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-19 23:44:00,686 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-19 23:44:00,687 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,687 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,687 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,687 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,687 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,687 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:44:00,687 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-19 23:44:00,687 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-19 23:44:00,687 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-19 23:44:00,688 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-19 23:44:00,688 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-19 23:44:00,688 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-19 23:44:00,688 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-19 23:44:00,688 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-19 23:44:00,688 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-19 23:44:00,688 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-19 23:44:00,688 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-19 23:44:00,688 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-19 23:44:00,688 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:44:00,689 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= 14 ~a4~0) (<= ~a19~0 9) (<= 9 ~a19~0) (= 0 ~a12~0) (<= ~a1~0 23) (<= 23 ~a1~0)) [2020-07-19 23:44:00,689 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 23:44:00,689 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:44:00,689 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (= 0 ~a12~0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))) [2020-07-19 23:44:00,689 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-19 23:44:00,689 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse2 (<= ~a19~0 8))) (or (and (<= 1 ~a10~0) (not (= 2 ~a10~0))) (not (<= |old(~a1~0)| 23)) (and .cse0 (<= ~a1~0 23) (not (= 8 ~a19~0))) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (and .cse0 (exists ((v_~a1~0_346 Int)) (let ((.cse1 (mod v_~a1~0_346 299890))) (and (< v_~a1~0_346 0) (<= (+ .cse1 218) ~a1~0) (not (= 0 .cse1)))))) (not (<= |old(~a19~0)| 9)) (not (<= 23 |old(~a1~0)|)) (and (<= 41 ~a1~0) .cse2) (not (= 0 ~a12~0)) (and (<= ~a10~0 0) (<= 9 ~a19~0)) (and .cse2 (<= 2 ~a10~0)))) [2020-07-19 23:44:00,690 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-19 23:44:00,690 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-19 23:44:00,690 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse2 (<= ~a19~0 8))) (or (and (<= 1 ~a10~0) (not (= 2 ~a10~0))) (not (<= |old(~a1~0)| 23)) (and .cse0 (<= ~a1~0 23) (not (= 8 ~a19~0))) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (and .cse0 (exists ((v_~a1~0_346 Int)) (let ((.cse1 (mod v_~a1~0_346 299890))) (and (< v_~a1~0_346 0) (<= (+ .cse1 218) ~a1~0) (not (= 0 .cse1)))))) (not (<= |old(~a19~0)| 9)) (not (<= 23 |old(~a1~0)|)) (and (<= 41 ~a1~0) .cse2) (not (= 0 ~a12~0)) (and (<= ~a10~0 0) (<= 9 ~a19~0)) (and .cse2 (<= 2 ~a10~0)))) [2020-07-19 23:44:00,690 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-19 23:44:00,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-19 23:44:00,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-19 23:44:00,705 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-19 23:44:00,716 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-19 23:44:00,716 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-19 23:44:00,717 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-19 23:44:00,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:44:00 BoogieIcfgContainer [2020-07-19 23:44:00,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 23:44:00,723 INFO L168 Benchmark]: Toolchain (without parser) took 850467.56 ms. Allocated memory was 137.4 MB in the beginning and 598.2 MB in the end (delta: 460.8 MB). Free memory was 101.0 MB in the beginning and 169.7 MB in the end (delta: -68.7 MB). Peak memory consumption was 534.3 MB. Max. memory is 7.1 GB. [2020-07-19 23:44:00,724 INFO L168 Benchmark]: CDTParser took 0.27 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: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-19 23:44:00,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 953.75 ms. Allocated memory was 137.4 MB in the beginning and 205.0 MB in the end (delta: 67.6 MB). Free memory was 100.5 MB in the beginning and 171.7 MB in the end (delta: -71.2 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. [2020-07-19 23:44:00,737 INFO L168 Benchmark]: Boogie Preprocessor took 117.31 ms. Allocated memory is still 205.0 MB. Free memory was 171.7 MB in the beginning and 167.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-19 23:44:00,738 INFO L168 Benchmark]: RCFGBuilder took 1506.92 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 167.4 MB in the beginning and 181.8 MB in the end (delta: -14.5 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. [2020-07-19 23:44:00,747 INFO L168 Benchmark]: TraceAbstraction took 847877.21 ms. Allocated memory was 234.9 MB in the beginning and 598.2 MB in the end (delta: 363.3 MB). Free memory was 181.8 MB in the beginning and 169.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 517.6 MB. Max. memory is 7.1 GB. [2020-07-19 23:44:00,750 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 953.75 ms. Allocated memory was 137.4 MB in the beginning and 205.0 MB in the end (delta: 67.6 MB). Free memory was 100.5 MB in the beginning and 171.7 MB in the end (delta: -71.2 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.31 ms. Allocated memory is still 205.0 MB. Free memory was 171.7 MB in the beginning and 167.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1506.92 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 167.4 MB in the beginning and 181.8 MB in the end (delta: -14.5 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 847877.21 ms. Allocated memory was 234.9 MB in the beginning and 598.2 MB in the end (delta: 363.3 MB). Free memory was 181.8 MB in the beginning and 169.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 517.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 151]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant [2020-07-19 23:44:00,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-19 23:44:00,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-19 23:44:00,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-19 23:44:00,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-19 23:44:00,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] [2020-07-19 23:44:00,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_346,QUANTIFIED] Derived loop invariant: ((((((((((((1 <= a10 && !(2 == a10)) || !(\old(a1) <= 23)) || ((a19 <= 9 && a1 <= 23) && !(8 == a19))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || !(14 == a4)) || (a19 <= 9 && (\exists v_~a1~0_346 : int :: (v_~a1~0_346 < 0 && v_~a1~0_346 % 299890 + 218 <= a1) && !(0 == v_~a1~0_346 % 299890)))) || !(\old(a19) <= 9)) || !(23 <= \old(a1))) || (41 <= a1 && a19 <= 8)) || !(0 == a12)) || (a10 <= 0 && 9 <= a19)) || (a19 <= 8 && 2 <= a10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 675.0s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 552.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 172.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 706 SDtfs, 7058 SDslu, 656 SDs, 0 SdLazy, 16294 SolverSat, 3094 SolverUnsat, 104 SolverUnknown, 0 SolverNotchecked, 287.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1701 GetRequests, 1509 SyntacticMatches, 1 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1379 ImplicationChecksByTransitivity, 341.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3405occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 1868 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 171 PreInvPairs, 311 NumberOfFragments, 435 HoareAnnotationTreeSize, 171 FomulaSimplifications, 143198 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 41060 FormulaSimplificationTreeSizeReductionInter, 169.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 117.8s InterpolantComputationTime, 3436 NumberOfCodeBlocks, 3436 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 3420 ConstructedInterpolants, 108 QuantifiedInterpolants, 3837493 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2468 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 1807/2102 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...