/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label48.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 03:45:51,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 03:45:51,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 03:45:51,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-20 03:45:51,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 03:45:51,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 03:45:51,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 03:45:51,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 03:45:51,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 03:45:51,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 03:45:51,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 03:45:51,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 03:45:51,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 03:45:51,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 03:45:51,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 03:45:51,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 03:45:51,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 03:45:51,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 03:45:51,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 03:45:51,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 03:45:51,391 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 03:45:51,406 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 03:45:51,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 03:45:51,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 03:45:51,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 03:45:51,408 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 03:45:51,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 03:45:51,408 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 03:45:51,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 03:45:51,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 03:45:51,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 03:45:51,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 03:45:51,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 03:45:51,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 03:45:51,409 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 03:45:51,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 03:45:51,410 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 03:45:51,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 03:45:51,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 03:45:51,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 03:45:51,411 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 03:45:51,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 03:45:51,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 03:45:51,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 03:45:51,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 03:45:51,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 03:45:51,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 03:45:51,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 03:45:51,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 03:45:51,412 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 03:45:51,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 03:45:51,684 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 03:45:51,697 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 03:45:51,701 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 03:45:51,703 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 03:45:51,703 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 03:45:51,704 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label48.c [2020-07-20 03:45:51,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95002fdf0/c84b5730f8dd4730bb12692e80b6011a/FLAGc1ea65bee [2020-07-20 03:45:52,305 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 03:45:52,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label48.c [2020-07-20 03:45:52,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95002fdf0/c84b5730f8dd4730bb12692e80b6011a/FLAGc1ea65bee [2020-07-20 03:45:52,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95002fdf0/c84b5730f8dd4730bb12692e80b6011a [2020-07-20 03:45:52,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 03:45:52,542 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 03:45:52,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 03:45:52,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 03:45:52,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 03:45:52,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:45:52" (1/1) ... [2020-07-20 03:45:52,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3f2786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:45:52, skipping insertion in model container [2020-07-20 03:45:52,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:45:52" (1/1) ... [2020-07-20 03:45:52,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 03:45:52,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 03:45:53,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:45:53,074 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 03:45:53,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:45:53,325 INFO L208 MainTranslator]: Completed translation [2020-07-20 03:45:53,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:45:53 WrapperNode [2020-07-20 03:45:53,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 03:45:53,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 03:45:53,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 03:45:53,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 03:45:53,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:45:53" (1/1) ... [2020-07-20 03:45:53,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:45:53" (1/1) ... [2020-07-20 03:45:53,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:45:53" (1/1) ... [2020-07-20 03:45:53,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:45:53" (1/1) ... [2020-07-20 03:45:53,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:45:53" (1/1) ... [2020-07-20 03:45:53,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:45:53" (1/1) ... [2020-07-20 03:45:53,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:45:53" (1/1) ... [2020-07-20 03:45:53,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 03:45:53,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 03:45:53,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 03:45:53,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 03:45:53,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:45:53" (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 03:45:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 03:45:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 03:45:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 03:45:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 03:45:53,569 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 03:45:53,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 03:45:53,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 03:45:53,570 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 03:45:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 03:45:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 03:45:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 03:45:54,764 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 03:45:54,764 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 03:45:54,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:45:54 BoogieIcfgContainer [2020-07-20 03:45:54,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 03:45:54,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 03:45:54,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 03:45:54,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 03:45:54,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:45:52" (1/3) ... [2020-07-20 03:45:54,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc18985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:45:54, skipping insertion in model container [2020-07-20 03:45:54,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:45:53" (2/3) ... [2020-07-20 03:45:54,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc18985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:45:54, skipping insertion in model container [2020-07-20 03:45:54,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:45:54" (3/3) ... [2020-07-20 03:45:54,792 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label48.c [2020-07-20 03:45:54,806 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 03:45:54,821 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 03:45:54,841 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 03:45:54,883 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 03:45:54,884 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 03:45:54,884 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 03:45:54,884 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 03:45:54,884 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 03:45:54,885 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 03:45:54,885 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 03:45:54,885 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 03:45:54,913 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 03:45:54,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-20 03:45:54,936 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:45:54,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:45:54,938 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:45:54,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:45:54,945 INFO L82 PathProgramCache]: Analyzing trace with hash 231210793, now seen corresponding path program 1 times [2020-07-20 03:45:54,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:45:54,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412954250] [2020-07-20 03:45:54,957 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6cbcea36 [2020-07-20 03:45:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:45:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:45:55,662 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 03:45:55,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412954250] [2020-07-20 03:45:55,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:45:55,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 03:45:55,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021773955] [2020-07-20 03:45:55,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 03:45:55,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:45:55,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 03:45:55,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 03:45:55,697 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-20 03:45:58,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:45:58,046 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2020-07-20 03:45:58,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 03:45:58,052 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2020-07-20 03:45:58,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:45:58,071 INFO L225 Difference]: With dead ends: 813 [2020-07-20 03:45:58,072 INFO L226 Difference]: Without dead ends: 488 [2020-07-20 03:45:58,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 03:45:58,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-07-20 03:45:58,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2020-07-20 03:45:58,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-07-20 03:45:58,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-07-20 03:45:58,180 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 143 [2020-07-20 03:45:58,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:45:58,181 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-07-20 03:45:58,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 03:45:58,182 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-07-20 03:45:58,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-07-20 03:45:58,189 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:45:58,189 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:45:58,189 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 03:45:58,190 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:45:58,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:45:58,190 INFO L82 PathProgramCache]: Analyzing trace with hash 703690926, now seen corresponding path program 1 times [2020-07-20 03:45:58,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:45:58,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396829165] [2020-07-20 03:45:58,191 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6cbcea36 [2020-07-20 03:45:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:45:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:45:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:45:58,792 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:45:58,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396829165] [2020-07-20 03:45:58,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620761279] [2020-07-20 03:45:58,793 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@50cd1318 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:45:59,007 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@50cd1318 issued 4 check-sat command(s) [2020-07-20 03:45:59,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:45:59,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:45:59,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:45:59,130 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:45:59,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:45:59,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-20 03:45:59,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960273112] [2020-07-20 03:45:59,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:45:59,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:45:59,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:45:59,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 03:45:59,135 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 3 states. [2020-07-20 03:45:59,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:45:59,807 INFO L93 Difference]: Finished difference Result 1395 states and 2042 transitions. [2020-07-20 03:45:59,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:45:59,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2020-07-20 03:45:59,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:45:59,817 INFO L225 Difference]: With dead ends: 1395 [2020-07-20 03:45:59,817 INFO L226 Difference]: Without dead ends: 920 [2020-07-20 03:45:59,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 03:45:59,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2020-07-20 03:45:59,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2020-07-20 03:45:59,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2020-07-20 03:45:59,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1268 transitions. [2020-07-20 03:45:59,877 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1268 transitions. Word has length 151 [2020-07-20 03:45:59,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:45:59,878 INFO L479 AbstractCegarLoop]: Abstraction has 920 states and 1268 transitions. [2020-07-20 03:45:59,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:45:59,879 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1268 transitions. [2020-07-20 03:45:59,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-20 03:45:59,888 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:45:59,888 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:00,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-20 03:46:00,103 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:46:00,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:46:00,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1318962261, now seen corresponding path program 1 times [2020-07-20 03:46:00,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:46:00,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134698324] [2020-07-20 03:46:00,106 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6cbcea36 [2020-07-20 03:46:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:00,415 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:46:00,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134698324] [2020-07-20 03:46:00,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098812176] [2020-07-20 03:46:00,416 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e0ae800 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:46:00,524 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e0ae800 issued 4 check-sat command(s) [2020-07-20 03:46:00,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:46:00,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:46:00,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:46:00,620 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:46:00,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:46:00,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-20 03:46:00,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047423489] [2020-07-20 03:46:00,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:46:00,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:46:00,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:46:00,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 03:46:00,624 INFO L87 Difference]: Start difference. First operand 920 states and 1268 transitions. Second operand 3 states. [2020-07-20 03:46:01,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:46:01,316 INFO L93 Difference]: Finished difference Result 2274 states and 3211 transitions. [2020-07-20 03:46:01,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:46:01,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2020-07-20 03:46:01,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:46:01,326 INFO L225 Difference]: With dead ends: 2274 [2020-07-20 03:46:01,326 INFO L226 Difference]: Without dead ends: 1360 [2020-07-20 03:46:01,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 03:46:01,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2020-07-20 03:46:01,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1356. [2020-07-20 03:46:01,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1356 states. [2020-07-20 03:46:01,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 1897 transitions. [2020-07-20 03:46:01,379 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 1897 transitions. Word has length 167 [2020-07-20 03:46:01,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:46:01,380 INFO L479 AbstractCegarLoop]: Abstraction has 1356 states and 1897 transitions. [2020-07-20 03:46:01,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:46:01,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1897 transitions. [2020-07-20 03:46:01,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-07-20 03:46:01,387 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:46:01,387 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:01,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:46:01,600 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:46:01,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:46:01,601 INFO L82 PathProgramCache]: Analyzing trace with hash -2041264523, now seen corresponding path program 1 times [2020-07-20 03:46:01,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:46:01,602 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185887159] [2020-07-20 03:46:01,603 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6cbcea36 [2020-07-20 03:46:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:02,050 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 03:46:02,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185887159] [2020-07-20 03:46:02,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412880398] [2020-07-20 03:46:02,053 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7dbab70c No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:46:02,269 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7dbab70c issued 4 check-sat command(s) [2020-07-20 03:46:02,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:46:02,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:46:02,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:46:02,417 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:46:02,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:46:02,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-20 03:46:02,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342938135] [2020-07-20 03:46:02,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 03:46:02,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:46:02,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 03:46:02,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-20 03:46:02,423 INFO L87 Difference]: Start difference. First operand 1356 states and 1897 transitions. Second operand 11 states. [2020-07-20 03:46:03,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:46:03,872 INFO L93 Difference]: Finished difference Result 2866 states and 4091 transitions. [2020-07-20 03:46:03,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 03:46:03,873 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 228 [2020-07-20 03:46:03,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:46:03,874 INFO L225 Difference]: With dead ends: 2866 [2020-07-20 03:46:03,874 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 03:46:03,881 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-07-20 03:46:03,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 03:46:03,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 03:46:03,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 03:46:03,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 03:46:03,882 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 228 [2020-07-20 03:46:03,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:46:03,882 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 03:46:03,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 03:46:03,882 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 03:46:03,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 03:46:04,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:46:04,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 03:46:04,488 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 31 [2020-07-20 03:46:04,623 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:46:04,623 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-20 03:46:04,623 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:46:04,624 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,624 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,624 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,624 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,624 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,624 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 03:46:04,624 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 03:46:04,625 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 03:46:04,625 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 03:46:04,625 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 03:46:04,625 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 03:46:04,625 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 03:46:04,625 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 03:46:04,625 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 03:46:04,625 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 03:46:04,626 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 03:46:04,626 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 03:46:04,626 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 03:46:04,626 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,626 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,626 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,626 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,627 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 03:46:04,627 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,627 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 03:46:04,627 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 03:46:04,627 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 03:46:04,627 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 03:46:04,627 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 03:46:04,628 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 03:46:04,628 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 03:46:04,628 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 03:46:04,628 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 03:46:04,628 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 03:46:04,628 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 03:46:04,628 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 03:46:04,629 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 03:46:04,629 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 03:46:04,629 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 03:46:04,629 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,629 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,629 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,629 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,630 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,630 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 583) no Hoare annotation was computed. [2020-07-20 03:46:04,630 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 03:46:04,630 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 03:46:04,630 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 03:46:04,630 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 03:46:04,631 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 03:46:04,631 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 03:46:04,631 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 03:46:04,631 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 03:46:04,631 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 03:46:04,631 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 03:46:04,631 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 03:46:04,632 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,632 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,632 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,632 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,632 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,632 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 03:46:04,633 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 03:46:04,633 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 03:46:04,633 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 03:46:04,633 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 03:46:04,633 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 03:46:04,633 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 03:46:04,633 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 03:46:04,634 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 03:46:04,634 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 03:46:04,634 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 03:46:04,634 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 03:46:04,634 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 03:46:04,634 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,634 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,635 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,635 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,635 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,635 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 03:46:04,635 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 03:46:04,635 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 03:46:04,635 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 03:46:04,636 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 03:46:04,636 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 03:46:04,636 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 03:46:04,636 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 03:46:04,636 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 03:46:04,636 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 03:46:04,636 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 03:46:04,636 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 03:46:04,637 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 03:46:04,637 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 03:46:04,637 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 03:46:04,637 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 03:46:04,637 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,637 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,637 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,638 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,638 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 03:46:04,638 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,638 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 03:46:04,638 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,638 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 03:46:04,638 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 03:46:04,638 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 03:46:04,638 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,639 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,639 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 03:46:04,639 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 03:46:04,639 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 03:46:04,639 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 03:46:04,639 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 03:46:04,639 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 03:46:04,640 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 03:46:04,640 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 03:46:04,640 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 03:46:04,640 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 03:46:04,640 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 03:46:04,640 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,640 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,640 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,641 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,641 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,641 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,641 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 03:46:04,641 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 03:46:04,641 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 03:46:04,641 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 03:46:04,642 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 03:46:04,642 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 03:46:04,642 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 03:46:04,642 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 03:46:04,642 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 03:46:04,642 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 03:46:04,642 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 03:46:04,642 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,643 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,643 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,643 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,643 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,643 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,643 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 03:46:04,643 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 03:46:04,644 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 03:46:04,644 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 03:46:04,644 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 03:46:04,644 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 03:46:04,644 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 03:46:04,644 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 03:46:04,644 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 03:46:04,644 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 03:46:04,644 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 03:46:04,645 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 03:46:04,645 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 03:46:04,645 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 03:46:04,645 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,645 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,645 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,645 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse1 (= ~a19~0 |old(~a19~0)|)) (.cse2 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|))) (and (or (not (<= |old(~a28~0)| 10)) (and .cse0 (= ~a17~0 |old(~a17~0)|) .cse1 .cse2 .cse3) (not (<= |old(~a17~0)| 8))) (or (not (= 8 |old(~a17~0)|)) (= 1 |old(~a11~0)|) (and .cse0 .cse1 .cse2 (= 8 ~a17~0) .cse3)))) [2020-07-20 03:46:04,646 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,646 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,646 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,646 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 03:46:04,646 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 03:46:04,646 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 03:46:04,646 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 03:46:04,646 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 03:46:04,647 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 03:46:04,647 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 03:46:04,647 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 03:46:04,647 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 03:46:04,647 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 03:46:04,647 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 03:46:04,647 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 03:46:04,648 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 03:46:04,648 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,648 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,648 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,648 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,648 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,648 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,648 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 03:46:04,649 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 03:46:04,649 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 03:46:04,649 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 03:46:04,649 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 03:46:04,649 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 03:46:04,649 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 03:46:04,649 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 03:46:04,649 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 03:46:04,650 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 03:46:04,650 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 03:46:04,650 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 03:46:04,650 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 03:46:04,650 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 03:46:04,650 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 03:46:04,650 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 03:46:04,650 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,650 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,651 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,651 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,651 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:46:04,651 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 03:46:04,651 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 03:46:04,651 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 03:46:04,651 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 03:46:04,651 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 03:46:04,652 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 03:46:04,652 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 03:46:04,652 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 03:46:04,652 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 03:46:04,652 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 03:46:04,652 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 03:46:04,652 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 03:46:04,652 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 03:46:04,653 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 03:46:04,653 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 03:46:04,653 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 03:46:04,653 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 03:46:04,653 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 03:46:04,653 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 03:46:04,653 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:46:04,653 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (<= ~a28~0 9) (= 8 ~a17~0)) [2020-07-20 03:46:04,654 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 03:46:04,654 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:46:04,654 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 8 |old(~a17~0)|)) (not (<= |old(~a28~0)| 9)) (and (= ~a11~0 |old(~a11~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= 8 ~a17~0) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a11~0)| 0))) [2020-07-20 03:46:04,654 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (or (and (<= ~a17~0 8) (<= ~a28~0 10)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a28~0)| 9)) (and (not (= 1 ~a11~0)) (= 8 ~a17~0)) (not (<= |old(~a11~0)| 0))) [2020-07-20 03:46:04,654 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 03:46:04,654 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 03:46:04,654 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (or (and (<= ~a17~0 8) (<= ~a28~0 10)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a28~0)| 9)) (and (not (= 1 ~a11~0)) (= 8 ~a17~0)) (not (<= |old(~a11~0)| 0))) [2020-07-20 03:46:04,655 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 03:46:04,655 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 03:46:04,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 03:46:04 BoogieIcfgContainer [2020-07-20 03:46:04,674 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 03:46:04,677 INFO L168 Benchmark]: Toolchain (without parser) took 12135.55 ms. Allocated memory was 140.0 MB in the beginning and 416.3 MB in the end (delta: 276.3 MB). Free memory was 101.9 MB in the beginning and 320.3 MB in the end (delta: -218.4 MB). Peak memory consumption was 229.7 MB. Max. memory is 7.1 GB. [2020-07-20 03:46:04,678 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-20 03:46:04,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.91 ms. Allocated memory was 140.0 MB in the beginning and 207.1 MB in the end (delta: 67.1 MB). Free memory was 101.4 MB in the beginning and 174.3 MB in the end (delta: -72.9 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. [2020-07-20 03:46:04,680 INFO L168 Benchmark]: Boogie Preprocessor took 151.54 ms. Allocated memory is still 207.1 MB. Free memory was 174.3 MB in the beginning and 169.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-20 03:46:04,681 INFO L168 Benchmark]: RCFGBuilder took 1299.33 ms. Allocated memory was 207.1 MB in the beginning and 238.0 MB in the end (delta: 30.9 MB). Free memory was 169.5 MB in the beginning and 180.5 MB in the end (delta: -11.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2020-07-20 03:46:04,682 INFO L168 Benchmark]: TraceAbstraction took 9892.80 ms. Allocated memory was 238.0 MB in the beginning and 416.3 MB in the end (delta: 178.3 MB). Free memory was 180.5 MB in the beginning and 320.3 MB in the end (delta: -139.8 MB). Peak memory consumption was 210.3 MB. Max. memory is 7.1 GB. [2020-07-20 03:46:04,686 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 783.91 ms. Allocated memory was 140.0 MB in the beginning and 207.1 MB in the end (delta: 67.1 MB). Free memory was 101.4 MB in the beginning and 174.3 MB in the end (delta: -72.9 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 151.54 ms. Allocated memory is still 207.1 MB. Free memory was 174.3 MB in the beginning and 169.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1299.33 ms. Allocated memory was 207.1 MB in the beginning and 238.0 MB in the end (delta: 30.9 MB). Free memory was 169.5 MB in the beginning and 180.5 MB in the end (delta: -11.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9892.80 ms. Allocated memory was 238.0 MB in the beginning and 416.3 MB in the end (delta: 178.3 MB). Free memory was 180.5 MB in the beginning and 320.3 MB in the end (delta: -139.8 MB). Peak memory consumption was 210.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 583]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((a17 <= 8 && a28 <= 10) || !(8 == \old(a17))) || !(\old(a28) <= 9)) || (!(1 == a11) && 8 == a17)) || !(\old(a11) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.2s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 188 SDtfs, 1803 SDslu, 99 SDs, 0 SdLazy, 2337 SolverSat, 901 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 591 GetRequests, 562 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1356occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 41 PreInvPairs, 73 NumberOfFragments, 198 HoareAnnotationTreeSize, 41 FomulaSimplifications, 836 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 834 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1235 NumberOfCodeBlocks, 1235 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1228 ConstructedInterpolants, 0 QuantifiedInterpolants, 983838 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1208 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 216/222 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...