/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 17:31:23,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 17:31:23,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 17:31:23,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-20 17:31:23,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 17:31:23,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 17:31:23,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 17:31:23,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 17:31:23,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 17:31:23,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 17:31:23,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 17:31:23,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 17:31:23,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 17:31:23,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 17:31:23,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 17:31:23,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 17:31:23,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 17:31:23,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 17:31:23,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 17:31:23,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 17:31:23,996 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 17:31:24,014 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 17:31:24,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 17:31:24,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 17:31:24,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 17:31:24,016 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 17:31:24,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 17:31:24,016 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 17:31:24,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 17:31:24,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 17:31:24,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 17:31:24,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 17:31:24,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 17:31:24,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 17:31:24,018 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 17:31:24,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 17:31:24,018 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 17:31:24,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 17:31:24,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 17:31:24,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 17:31:24,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 17:31:24,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 17:31:24,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 17:31:24,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 17:31:24,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 17:31:24,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 17:31:24,020 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 17:31:24,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:24,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 17:31:24,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 17:31:24,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 17:31:24,309 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 17:31:24,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 17:31:24,331 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 17:31:24,333 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 17:31:24,333 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 17:31:24,334 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-07-20 17:31:24,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b44a0633/8c2dbea46bfd40ef9e3c1212bfe21015/FLAGd43bc6821 [2020-07-20 17:31:25,040 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 17:31:25,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-07-20 17:31:25,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b44a0633/8c2dbea46bfd40ef9e3c1212bfe21015/FLAGd43bc6821 [2020-07-20 17:31:25,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b44a0633/8c2dbea46bfd40ef9e3c1212bfe21015 [2020-07-20 17:31:25,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 17:31:25,308 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 17:31:25,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 17:31:25,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 17:31:25,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 17:31:25,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:31:25" (1/1) ... [2020-07-20 17:31:25,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d9306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:25, skipping insertion in model container [2020-07-20 17:31:25,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:31:25" (1/1) ... [2020-07-20 17:31:25,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 17:31:25,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 17:31:26,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:31:26,178 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 17:31:26,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:31:26,416 INFO L208 MainTranslator]: Completed translation [2020-07-20 17:31:26,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:26 WrapperNode [2020-07-20 17:31:26,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 17:31:26,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 17:31:26,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 17:31:26,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 17:31:26,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:26" (1/1) ... [2020-07-20 17:31:26,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:26" (1/1) ... [2020-07-20 17:31:26,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:26" (1/1) ... [2020-07-20 17:31:26,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:26" (1/1) ... [2020-07-20 17:31:26,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:26" (1/1) ... [2020-07-20 17:31:26,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:26" (1/1) ... [2020-07-20 17:31:26,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:26" (1/1) ... [2020-07-20 17:31:26,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 17:31:26,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 17:31:26,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 17:31:26,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 17:31:26,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 17:31:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 17:31:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 17:31:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 17:31:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 17:31:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 17:31:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 17:31:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 17:31:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 17:31:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 17:31:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 17:31:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 17:31:28,687 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 17:31:28,688 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 17:31:28,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:31:28 BoogieIcfgContainer [2020-07-20 17:31:28,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 17:31:28,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 17:31:28,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 17:31:28,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 17:31:28,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:31:25" (1/3) ... [2020-07-20 17:31:28,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2980ceb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:31:28, skipping insertion in model container [2020-07-20 17:31:28,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:26" (2/3) ... [2020-07-20 17:31:28,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2980ceb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:31:28, skipping insertion in model container [2020-07-20 17:31:28,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:31:28" (3/3) ... [2020-07-20 17:31:28,705 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label18.c [2020-07-20 17:31:28,718 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 17:31:28,732 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 17:31:28,750 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 17:31:28,784 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 17:31:28,785 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 17:31:28,785 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 17:31:28,786 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 17:31:28,786 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 17:31:28,786 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 17:31:28,786 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 17:31:28,786 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 17:31:28,823 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-07-20 17:31:28,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-20 17:31:28,833 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:31:28,835 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] [2020-07-20 17:31:28,835 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:31:28,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:31:28,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1626993173, now seen corresponding path program 1 times [2020-07-20 17:31:28,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:31:28,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271624420] [2020-07-20 17:31:28,852 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:28,993 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:31:28,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:31:28,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:31:29,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:31:29,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:31:29,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:31:29,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [271624420] [2020-07-20 17:31:29,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:31:29,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:31:29,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751670262] [2020-07-20 17:31:29,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:31:29,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:31:29,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:31:29,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:31:29,092 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 3 states. [2020-07-20 17:31:30,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:31:30,645 INFO L93 Difference]: Finished difference Result 788 states and 1383 transitions. [2020-07-20 17:31:30,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:31:30,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-07-20 17:31:30,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:31:30,677 INFO L225 Difference]: With dead ends: 788 [2020-07-20 17:31:30,679 INFO L226 Difference]: Without dead ends: 434 [2020-07-20 17:31:30,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:31:30,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-07-20 17:31:30,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 424. [2020-07-20 17:31:30,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-07-20 17:31:30,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 640 transitions. [2020-07-20 17:31:30,810 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 640 transitions. Word has length 40 [2020-07-20 17:31:30,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:31:30,811 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 640 transitions. [2020-07-20 17:31:30,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:31:30,811 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 640 transitions. [2020-07-20 17:31:30,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-07-20 17:31:30,817 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:31:30,817 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:31:31,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:31,033 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:31:31,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:31:31,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1781272370, now seen corresponding path program 1 times [2020-07-20 17:31:31,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:31:31,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564822345] [2020-07-20 17:31:31,034 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:31,145 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:31:31,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:31:31,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:31:31,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:31:31,227 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:31:31,227 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:31:31,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1564822345] [2020-07-20 17:31:31,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:31:31,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 17:31:31,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319382684] [2020-07-20 17:31:31,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 17:31:31,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:31:31,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 17:31:31,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 17:31:31,234 INFO L87 Difference]: Start difference. First operand 424 states and 640 transitions. Second operand 5 states. [2020-07-20 17:31:33,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:31:33,055 INFO L93 Difference]: Finished difference Result 1253 states and 1925 transitions. [2020-07-20 17:31:33,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 17:31:33,056 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2020-07-20 17:31:33,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:31:33,063 INFO L225 Difference]: With dead ends: 1253 [2020-07-20 17:31:33,064 INFO L226 Difference]: Without dead ends: 835 [2020-07-20 17:31:33,067 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-20 17:31:33,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2020-07-20 17:31:33,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 823. [2020-07-20 17:31:33,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2020-07-20 17:31:33,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1135 transitions. [2020-07-20 17:31:33,151 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1135 transitions. Word has length 110 [2020-07-20 17:31:33,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:31:33,151 INFO L479 AbstractCegarLoop]: Abstraction has 823 states and 1135 transitions. [2020-07-20 17:31:33,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 17:31:33,152 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1135 transitions. [2020-07-20 17:31:33,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-07-20 17:31:33,155 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:31:33,155 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:31:33,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:33,369 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:31:33,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:31:33,370 INFO L82 PathProgramCache]: Analyzing trace with hash 415326854, now seen corresponding path program 1 times [2020-07-20 17:31:33,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:31:33,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [590802853] [2020-07-20 17:31:33,372 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:33,486 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:31:33,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:31:33,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:31:33,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:31:33,521 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:31:33,522 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:31:33,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [590802853] [2020-07-20 17:31:33,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:31:33,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:31:33,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220881199] [2020-07-20 17:31:33,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:31:33,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:31:33,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:31:33,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:31:33,525 INFO L87 Difference]: Start difference. First operand 823 states and 1135 transitions. Second operand 3 states. [2020-07-20 17:31:34,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:31:34,786 INFO L93 Difference]: Finished difference Result 2033 states and 2873 transitions. [2020-07-20 17:31:34,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:31:34,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-07-20 17:31:34,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:31:34,794 INFO L225 Difference]: With dead ends: 2033 [2020-07-20 17:31:34,795 INFO L226 Difference]: Without dead ends: 1216 [2020-07-20 17:31:34,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:31:34,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2020-07-20 17:31:34,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1204. [2020-07-20 17:31:34,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1204 states. [2020-07-20 17:31:34,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1679 transitions. [2020-07-20 17:31:34,836 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1679 transitions. Word has length 114 [2020-07-20 17:31:34,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:31:34,837 INFO L479 AbstractCegarLoop]: Abstraction has 1204 states and 1679 transitions. [2020-07-20 17:31:34,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:31:34,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1679 transitions. [2020-07-20 17:31:34,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-20 17:31:34,841 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:31:34,841 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:31:35,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:35,056 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:31:35,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:31:35,057 INFO L82 PathProgramCache]: Analyzing trace with hash 559014170, now seen corresponding path program 1 times [2020-07-20 17:31:35,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:31:35,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [609533298] [2020-07-20 17:31:35,058 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:35,156 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:31:35,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:31:35,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:31:35,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:31:35,184 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:31:35,184 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:31:35,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [609533298] [2020-07-20 17:31:35,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:31:35,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:31:35,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69037810] [2020-07-20 17:31:35,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:31:35,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:31:35,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:31:35,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:31:35,187 INFO L87 Difference]: Start difference. First operand 1204 states and 1679 transitions. Second operand 3 states. [2020-07-20 17:31:36,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:31:36,471 INFO L93 Difference]: Finished difference Result 3542 states and 5057 transitions. [2020-07-20 17:31:36,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:31:36,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-07-20 17:31:36,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:31:36,487 INFO L225 Difference]: With dead ends: 3542 [2020-07-20 17:31:36,487 INFO L226 Difference]: Without dead ends: 2344 [2020-07-20 17:31:36,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:31:36,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2344 states. [2020-07-20 17:31:36,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2344 to 2342. [2020-07-20 17:31:36,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2342 states. [2020-07-20 17:31:36,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2342 states and 3225 transitions. [2020-07-20 17:31:36,570 INFO L78 Accepts]: Start accepts. Automaton has 2342 states and 3225 transitions. Word has length 120 [2020-07-20 17:31:36,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:31:36,571 INFO L479 AbstractCegarLoop]: Abstraction has 2342 states and 3225 transitions. [2020-07-20 17:31:36,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:31:36,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 3225 transitions. [2020-07-20 17:31:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-07-20 17:31:36,574 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:31:36,575 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:31:36,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:36,789 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:31:36,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:31:36,790 INFO L82 PathProgramCache]: Analyzing trace with hash 914687114, now seen corresponding path program 1 times [2020-07-20 17:31:36,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:31:36,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [31252983] [2020-07-20 17:31:36,792 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:36,891 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:31:36,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:31:36,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:31:36,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:31:36,924 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:31:36,924 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:31:36,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [31252983] [2020-07-20 17:31:36,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:31:36,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:31:36,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137592850] [2020-07-20 17:31:36,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:31:36,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:31:36,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:31:36,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:31:36,927 INFO L87 Difference]: Start difference. First operand 2342 states and 3225 transitions. Second operand 3 states. [2020-07-20 17:31:38,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:31:38,169 INFO L93 Difference]: Finished difference Result 5440 states and 7612 transitions. [2020-07-20 17:31:38,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:31:38,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-07-20 17:31:38,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:31:38,189 INFO L225 Difference]: With dead ends: 5440 [2020-07-20 17:31:38,190 INFO L226 Difference]: Without dead ends: 3104 [2020-07-20 17:31:38,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:31:38,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3104 states. [2020-07-20 17:31:38,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3104 to 2909. [2020-07-20 17:31:38,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2909 states. [2020-07-20 17:31:38,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2909 states and 4076 transitions. [2020-07-20 17:31:38,290 INFO L78 Accepts]: Start accepts. Automaton has 2909 states and 4076 transitions. Word has length 128 [2020-07-20 17:31:38,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:31:38,290 INFO L479 AbstractCegarLoop]: Abstraction has 2909 states and 4076 transitions. [2020-07-20 17:31:38,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:31:38,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2909 states and 4076 transitions. [2020-07-20 17:31:38,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-07-20 17:31:38,297 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:31:38,298 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 17:31:38,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:38,511 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:31:38,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:31:38,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1007038762, now seen corresponding path program 1 times [2020-07-20 17:31:38,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:31:38,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398688027] [2020-07-20 17:31:38,512 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:38,708 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:31:38,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:31:38,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 17:31:38,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:31:38,798 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:31:38,802 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:31:38,816 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:31:38,905 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-07-20 17:31:38,905 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:31:38,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398688027] [2020-07-20 17:31:38,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:31:38,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 17:31:38,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161968375] [2020-07-20 17:31:38,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 17:31:38,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:31:38,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 17:31:38,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 17:31:38,909 INFO L87 Difference]: Start difference. First operand 2909 states and 4076 transitions. Second operand 5 states. [2020-07-20 17:31:40,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:31:40,563 INFO L93 Difference]: Finished difference Result 6654 states and 9369 transitions. [2020-07-20 17:31:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 17:31:40,570 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 215 [2020-07-20 17:31:40,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:31:40,590 INFO L225 Difference]: With dead ends: 6654 [2020-07-20 17:31:40,591 INFO L226 Difference]: Without dead ends: 3751 [2020-07-20 17:31:40,599 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-20 17:31:40,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3751 states. [2020-07-20 17:31:40,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3751 to 3154. [2020-07-20 17:31:40,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3154 states. [2020-07-20 17:31:40,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 3154 states and 4388 transitions. [2020-07-20 17:31:40,715 INFO L78 Accepts]: Start accepts. Automaton has 3154 states and 4388 transitions. Word has length 215 [2020-07-20 17:31:40,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:31:40,715 INFO L479 AbstractCegarLoop]: Abstraction has 3154 states and 4388 transitions. [2020-07-20 17:31:40,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 17:31:40,715 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 4388 transitions. [2020-07-20 17:31:40,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-07-20 17:31:40,723 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:31:40,723 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 17:31:40,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:40,935 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:31:40,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:31:40,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1219984608, now seen corresponding path program 1 times [2020-07-20 17:31:40,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:31:40,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1807976927] [2020-07-20 17:31:40,938 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:41,182 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:31:41,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:31:41,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 17:31:41,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:31:41,203 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:31:41,204 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 17:31:41,205 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 17:31:41,207 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 17:31:41,208 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 17:31:41,210 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 17:31:41,212 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 17:31:41,214 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 17:31:41,541 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-07-20 17:31:41,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:31:41,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1807976927] [2020-07-20 17:31:41,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:31:41,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:31:41,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975119240] [2020-07-20 17:31:41,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:31:41,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:31:41,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:31:41,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:31:41,545 INFO L87 Difference]: Start difference. First operand 3154 states and 4388 transitions. Second operand 3 states. [2020-07-20 17:31:43,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:31:43,581 INFO L93 Difference]: Finished difference Result 7634 states and 11076 transitions. [2020-07-20 17:31:43,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:31:43,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 267 [2020-07-20 17:31:43,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:31:43,608 INFO L225 Difference]: With dead ends: 7634 [2020-07-20 17:31:43,608 INFO L226 Difference]: Without dead ends: 4486 [2020-07-20 17:31:43,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:31:43,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2020-07-20 17:31:43,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 4296. [2020-07-20 17:31:43,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4296 states. [2020-07-20 17:31:43,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4296 states to 4296 states and 5879 transitions. [2020-07-20 17:31:43,767 INFO L78 Accepts]: Start accepts. Automaton has 4296 states and 5879 transitions. Word has length 267 [2020-07-20 17:31:43,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:31:43,769 INFO L479 AbstractCegarLoop]: Abstraction has 4296 states and 5879 transitions. [2020-07-20 17:31:43,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:31:43,769 INFO L276 IsEmpty]: Start isEmpty. Operand 4296 states and 5879 transitions. [2020-07-20 17:31:43,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-07-20 17:31:43,782 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:31:43,783 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 17:31:43,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:43,987 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:31:43,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:31:43,987 INFO L82 PathProgramCache]: Analyzing trace with hash 630561712, now seen corresponding path program 1 times [2020-07-20 17:31:43,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:31:43,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [332567743] [2020-07-20 17:31:43,988 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:44,154 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:31:44,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:31:44,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:31:44,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:31:44,243 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 137 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 17:31:44,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:31:44,486 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 17:31:44,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [332567743] [2020-07-20 17:31:44,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:31:44,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-07-20 17:31:44,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189430827] [2020-07-20 17:31:44,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 17:31:44,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:31:44,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 17:31:44,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 17:31:44,491 INFO L87 Difference]: Start difference. First operand 4296 states and 5879 transitions. Second operand 5 states. [2020-07-20 17:31:46,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:31:46,164 INFO L93 Difference]: Finished difference Result 10101 states and 15390 transitions. [2020-07-20 17:31:46,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 17:31:46,165 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 278 [2020-07-20 17:31:46,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:31:46,202 INFO L225 Difference]: With dead ends: 10101 [2020-07-20 17:31:46,203 INFO L226 Difference]: Without dead ends: 5811 [2020-07-20 17:31:46,218 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 557 GetRequests, 550 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-07-20 17:31:46,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5811 states. [2020-07-20 17:31:46,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5811 to 5680. [2020-07-20 17:31:46,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5680 states. [2020-07-20 17:31:46,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5680 states to 5680 states and 7976 transitions. [2020-07-20 17:31:46,488 INFO L78 Accepts]: Start accepts. Automaton has 5680 states and 7976 transitions. Word has length 278 [2020-07-20 17:31:46,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:31:46,488 INFO L479 AbstractCegarLoop]: Abstraction has 5680 states and 7976 transitions. [2020-07-20 17:31:46,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 17:31:46,489 INFO L276 IsEmpty]: Start isEmpty. Operand 5680 states and 7976 transitions. [2020-07-20 17:31:46,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-07-20 17:31:46,503 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:31:46,503 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:31:46,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:46,719 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:31:46,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:31:46,720 INFO L82 PathProgramCache]: Analyzing trace with hash -844079456, now seen corresponding path program 1 times [2020-07-20 17:31:46,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:31:46,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555139734] [2020-07-20 17:31:46,721 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:46,977 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:31:46,978 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:31:46,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 17:31:46,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:31:47,101 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 280 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-20 17:31:47,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:31:47,354 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 280 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-20 17:31:47,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555139734] [2020-07-20 17:31:47,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:31:47,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 17:31:47,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266461767] [2020-07-20 17:31:47,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 17:31:47,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:31:47,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 17:31:47,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 17:31:47,359 INFO L87 Difference]: Start difference. First operand 5680 states and 7976 transitions. Second operand 7 states. [2020-07-20 17:31:49,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:31:49,157 INFO L93 Difference]: Finished difference Result 11222 states and 16209 transitions. [2020-07-20 17:31:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 17:31:49,158 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 336 [2020-07-20 17:31:49,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:31:49,159 INFO L225 Difference]: With dead ends: 11222 [2020-07-20 17:31:49,159 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 17:31:49,188 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 675 GetRequests, 668 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-20 17:31:49,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 17:31:49,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 17:31:49,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 17:31:49,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 17:31:49,190 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 336 [2020-07-20 17:31:49,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:31:49,190 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 17:31:49,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 17:31:49,191 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 17:31:49,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 17:31:49,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:31:49,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 17:31:49,959 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 34 [2020-07-20 17:31:50,898 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 68 [2020-07-20 17:31:51,101 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 17:31:51,101 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~a23~0)| ~a23~0) (<= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)) [2020-07-20 17:31:51,101 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 17:31:51,101 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-07-20 17:31:51,102 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-07-20 17:31:51,102 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-07-20 17:31:51,102 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,102 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,102 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,102 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,102 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,102 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,103 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,103 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-07-20 17:31:51,103 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-07-20 17:31:51,103 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-07-20 17:31:51,103 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,103 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,103 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,103 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,104 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,104 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,104 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,104 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,104 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,104 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-07-20 17:31:51,104 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-07-20 17:31:51,104 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-07-20 17:31:51,104 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,105 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,105 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,105 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,105 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,105 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,105 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,105 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,105 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,105 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-07-20 17:31:51,106 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-07-20 17:31:51,106 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-07-20 17:31:51,106 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-07-20 17:31:51,106 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-07-20 17:31:51,106 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-07-20 17:31:51,106 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-07-20 17:31:51,106 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,106 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,107 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,107 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,107 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,107 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,107 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,107 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,107 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,107 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,107 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-07-20 17:31:51,107 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-07-20 17:31:51,108 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-07-20 17:31:51,108 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,108 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,108 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,108 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,108 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,108 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-07-20 17:31:51,108 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-07-20 17:31:51,108 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-07-20 17:31:51,108 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,108 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,108 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,109 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,109 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,109 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-07-20 17:31:51,109 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-07-20 17:31:51,109 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,109 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,109 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,109 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,109 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,109 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,109 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-07-20 17:31:51,109 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-07-20 17:31:51,110 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,110 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,110 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-07-20 17:31:51,110 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-07-20 17:31:51,110 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-07-20 17:31:51,110 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,110 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,110 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,110 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,110 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,110 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,110 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,110 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-07-20 17:31:51,110 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-07-20 17:31:51,111 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-20 17:31:51,111 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-07-20 17:31:51,111 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-07-20 17:31:51,111 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-07-20 17:31:51,111 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-07-20 17:31:51,111 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,111 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,111 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-07-20 17:31:51,111 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-07-20 17:31:51,112 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,112 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,112 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,112 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,112 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse6 (<= |old(~a23~0)| ~a23~0)) (.cse7 (<= ~a29~0 |old(~a29~0)|)) (.cse11 (= 1 ~a4~0))) (let ((.cse3 (and .cse6 .cse7 .cse11)) (.cse8 (not (<= |old(~a25~0)| 10))) (.cse9 (<= ~a25~0 10)) (.cse10 (<= ~a25~0 12)) (.cse0 (not (<= |old(~a4~0)| 0))) (.cse12 (not (<= |old(~a25~0)| 12))) (.cse1 (not (<= |old(~a25~0)| 11))) (.cse2 (<= ~a25~0 11)) (.cse4 (not (= 1 |old(~a4~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (forall ((v_~a23~0_480 Int)) (let ((.cse5 (div v_~a23~0_480 5))) (or (not (< 306 v_~a23~0_480)) (not (= 0 (mod v_~a23~0_480 5))) (not (<= 0 (* 4 .cse5))) (not (<= (+ (mod (* .cse5 4) 83) 180) |old(~a23~0)|)))))) (or .cse0 (and .cse6 .cse7 (= ~a4~0 |old(~a4~0)|))) (or .cse3 (not (<= |old(~a29~0)| 245)) .cse4) (or .cse8 .cse9 .cse4) (or .cse8 .cse9 .cse0) (or (and .cse6 .cse10 .cse7 .cse11) .cse12 .cse4) (or .cse10 .cse0 .cse12) (or .cse1 .cse2 .cse4)))) [2020-07-20 17:31:51,112 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,112 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-07-20 17:31:51,112 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-07-20 17:31:51,112 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-07-20 17:31:51,112 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,113 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,113 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,113 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,113 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,113 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,113 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-07-20 17:31:51,113 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-20 17:31:51,113 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-20 17:31:51,113 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,113 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,113 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,113 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,114 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,114 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,114 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,114 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,114 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-07-20 17:31:51,114 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-07-20 17:31:51,114 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-07-20 17:31:51,114 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,114 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,114 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,114 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,114 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,114 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,115 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,115 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,115 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,115 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,115 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,115 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-07-20 17:31:51,115 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-07-20 17:31:51,115 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-07-20 17:31:51,115 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-07-20 17:31:51,116 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-07-20 17:31:51,116 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,116 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,116 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,116 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,116 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,116 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,116 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,116 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-07-20 17:31:51,116 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-07-20 17:31:51,116 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-07-20 17:31:51,116 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,116 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,116 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,117 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-07-20 17:31:51,117 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-07-20 17:31:51,117 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,117 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,117 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,117 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,117 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,117 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 108) no Hoare annotation was computed. [2020-07-20 17:31:51,117 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-07-20 17:31:51,117 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-07-20 17:31:51,117 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,117 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,118 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-07-20 17:31:51,118 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-07-20 17:31:51,118 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,118 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,118 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,118 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,118 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,118 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,118 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-07-20 17:31:51,118 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-07-20 17:31:51,118 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-07-20 17:31:51,118 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-07-20 17:31:51,118 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,118 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,119 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,119 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,119 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,119 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,119 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,119 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,119 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-07-20 17:31:51,119 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-20 17:31:51,119 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-07-20 17:31:51,119 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-07-20 17:31:51,119 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-07-20 17:31:51,119 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-07-20 17:31:51,119 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,119 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,119 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,120 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,120 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,120 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,120 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,120 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-07-20 17:31:51,120 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-20 17:31:51,120 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,120 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,120 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,120 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,120 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,120 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,120 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,121 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-07-20 17:31:51,121 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-20 17:31:51,121 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,121 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,121 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,121 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,121 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,121 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,121 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,121 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-07-20 17:31:51,121 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,121 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,121 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,122 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-07-20 17:31:51,122 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-20 17:31:51,122 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-07-20 17:31:51,122 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,122 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-07-20 17:31:51,122 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,122 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-07-20 17:31:51,122 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,122 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,122 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,123 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,123 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,123 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,123 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-07-20 17:31:51,123 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-20 17:31:51,123 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-07-20 17:31:51,123 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,123 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,123 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,123 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,123 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,124 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,124 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,124 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,124 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,124 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,124 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-07-20 17:31:51,124 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-07-20 17:31:51,124 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-07-20 17:31:51,125 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,125 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-07-20 17:31:51,125 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-07-20 17:31:51,125 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,125 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,125 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,125 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,125 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,126 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,126 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-07-20 17:31:51,126 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-07-20 17:31:51,126 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-07-20 17:31:51,126 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,126 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,126 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,126 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,126 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-07-20 17:31:51,127 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-07-20 17:31:51,127 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,127 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,127 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-07-20 17:31:51,127 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,127 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,127 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 17:31:51,127 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 17:31:51,127 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= ~a29~0 130) (<= 312 ~a23~0) (= 1 ~a4~0)) [2020-07-20 17:31:51,127 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 17:31:51,127 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 17:31:51,128 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (<= |old(~a25~0)| 10)) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130)) (and (<= |old(~a23~0)| ~a23~0) (<= ~a25~0 10) (<= ~a29~0 |old(~a29~0)|) (= 1 ~a4~0)) (not (= 1 |old(~a4~0)|))) [2020-07-20 17:31:51,128 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-07-20 17:31:51,128 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse0 (= 1 ~a4~0))) (or (not (<= |old(~a25~0)| 10)) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130)) (and (<= ~a29~0 245) .cse0) (and (exists ((v_~a23~0_480 Int)) (let ((.cse1 (div v_~a23~0_480 5))) (and (<= (+ (mod (* .cse1 4) 83) 180) ~a23~0) (< 306 v_~a23~0_480) (<= 0 (* 4 .cse1)) (= 0 (mod v_~a23~0_480 5))))) .cse0) (<= ~a4~0 0) (and (<= ~a25~0 12) .cse0) (not (= 1 |old(~a4~0)|)))) [2020-07-20 17:31:51,128 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-07-20 17:31:51,128 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-07-20 17:31:51,128 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (= 1 ~a4~0))) (or (not (<= |old(~a25~0)| 10)) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130)) (and (<= ~a29~0 245) .cse0) (and (exists ((v_~a23~0_480 Int)) (let ((.cse1 (div v_~a23~0_480 5))) (and (<= (+ (mod (* .cse1 4) 83) 180) ~a23~0) (< 306 v_~a23~0_480) (<= 0 (* 4 .cse1)) (= 0 (mod v_~a23~0_480 5))))) .cse0) (<= ~a4~0 0) (and (<= ~a25~0 12) .cse0) (not (= 1 |old(~a4~0)|)))) [2020-07-20 17:31:51,128 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-07-20 17:31:51,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-20 17:31:51,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-20 17:31:51,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-20 17:31:51,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-20 17:31:51,148 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-20 17:31:51,149 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-20 17:31:51,149 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-20 17:31:51,149 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-20 17:31:51,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:31:51 BoogieIcfgContainer [2020-07-20 17:31:51,152 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 17:31:51,154 INFO L168 Benchmark]: Toolchain (without parser) took 25846.73 ms. Allocated memory was 144.7 MB in the beginning and 521.1 MB in the end (delta: 376.4 MB). Free memory was 99.4 MB in the beginning and 324.5 MB in the end (delta: -225.1 MB). Peak memory consumption was 410.4 MB. Max. memory is 7.1 GB. [2020-07-20 17:31:51,154 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 144.7 MB. Free memory is still 120.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 17:31:51,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1108.59 ms. Allocated memory was 144.7 MB in the beginning and 208.7 MB in the end (delta: 64.0 MB). Free memory was 99.0 MB in the beginning and 162.7 MB in the end (delta: -63.7 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. [2020-07-20 17:31:51,156 INFO L168 Benchmark]: Boogie Preprocessor took 190.98 ms. Allocated memory is still 208.7 MB. Free memory was 162.7 MB in the beginning and 155.1 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. [2020-07-20 17:31:51,157 INFO L168 Benchmark]: RCFGBuilder took 2086.22 ms. Allocated memory was 208.7 MB in the beginning and 240.6 MB in the end (delta: 32.0 MB). Free memory was 155.1 MB in the beginning and 100.1 MB in the end (delta: 55.1 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. [2020-07-20 17:31:51,158 INFO L168 Benchmark]: TraceAbstraction took 22454.61 ms. Allocated memory was 240.6 MB in the beginning and 521.1 MB in the end (delta: 280.5 MB). Free memory was 98.3 MB in the beginning and 324.5 MB in the end (delta: -226.2 MB). Peak memory consumption was 313.3 MB. Max. memory is 7.1 GB. [2020-07-20 17:31:51,161 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 144.7 MB. Free memory is still 120.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1108.59 ms. Allocated memory was 144.7 MB in the beginning and 208.7 MB in the end (delta: 64.0 MB). Free memory was 99.0 MB in the beginning and 162.7 MB in the end (delta: -63.7 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 190.98 ms. Allocated memory is still 208.7 MB. Free memory was 162.7 MB in the beginning and 155.1 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2086.22 ms. Allocated memory was 208.7 MB in the beginning and 240.6 MB in the end (delta: 32.0 MB). Free memory was 155.1 MB in the beginning and 100.1 MB in the end (delta: 55.1 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22454.61 ms. Allocated memory was 240.6 MB in the beginning and 521.1 MB in the end (delta: 280.5 MB). Free memory was 98.3 MB in the beginning and 324.5 MB in the end (delta: -226.2 MB). Peak memory consumption was 313.3 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_~a23~0_480,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 108]: 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: 1034]: Loop Invariant [2020-07-20 17:31:51,169 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-20 17:31:51,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-20 17:31:51,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-20 17:31:51,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-20 17:31:51,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-20 17:31:51,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-20 17:31:51,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] [2020-07-20 17:31:51,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_480,QUANTIFIED] Derived loop invariant: ((((((!(\old(a25) <= 10) || !(312 <= \old(a23))) || !(\old(a29) <= 130)) || (a29 <= 245 && 1 == a4)) || ((\exists v_~a23~0_480 : int :: ((v_~a23~0_480 / 5 * 4 % 83 + 180 <= a23 && 306 < v_~a23~0_480) && 0 <= 4 * (v_~a23~0_480 / 5)) && 0 == v_~a23~0_480 % 5) && 1 == a4)) || a4 <= 0) || (a25 <= 12 && 1 == a4)) || !(1 == \old(a4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.6s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 844 SDtfs, 3207 SDslu, 445 SDs, 0 SdLazy, 6439 SolverSat, 1509 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2225 GetRequests, 2194 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5680occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 1149 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 160 PreInvPairs, 254 NumberOfFragments, 350 HoareAnnotationTreeSize, 160 FomulaSimplifications, 7738 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2073 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1608 NumberOfCodeBlocks, 1608 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 2211 ConstructedInterpolants, 36 QuantifiedInterpolants, 1547212 SizeOfPredicates, 16 NumberOfNonLiveVariables, 3241 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 1451/1489 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...