/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --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/Problem14_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:41:59,395 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 01:41:59,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:41:59,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:41:59,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:41:59,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:41:59,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:41:59,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:41:59,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:41:59,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:41:59,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:41:59,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:41:59,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:41:59,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:41:59,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 01:41:59,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:41:59,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:41:59,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:41:59,498 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 01:41:59,533 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:41:59,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:41:59,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:41:59,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:41:59,536 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:41:59,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:41:59,536 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:41:59,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:41:59,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:41:59,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:41:59,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:41:59,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:41:59,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:41:59,539 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:41:59,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:41:59,539 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:41:59,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:41:59,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:41:59,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:41:59,540 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:41:59,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:41:59,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:41:59,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:41:59,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:41:59,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:41:59,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:41:59,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:41:59,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:41:59,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:41:59,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 01:41:59,866 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:41:59,884 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:41:59,887 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:41:59,889 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:41:59,889 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:41:59,890 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label21.c [2020-07-20 01:41:59,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74982c294/d15c55337e1a440fb016649b8d1bf9f8/FLAG8eda9afb1 [2020-07-20 01:42:00,549 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:42:00,550 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label21.c [2020-07-20 01:42:00,565 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74982c294/d15c55337e1a440fb016649b8d1bf9f8/FLAG8eda9afb1 [2020-07-20 01:42:00,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74982c294/d15c55337e1a440fb016649b8d1bf9f8 [2020-07-20 01:42:00,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:42:00,808 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:42:00,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:42:00,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:42:00,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:42:00,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:42:00" (1/1) ... [2020-07-20 01:42:00,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a602aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:00, skipping insertion in model container [2020-07-20 01:42:00,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:42:00" (1/1) ... [2020-07-20 01:42:00,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:42:00,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:42:01,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:42:01,464 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:42:01,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:42:01,735 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:42:01,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:01 WrapperNode [2020-07-20 01:42:01,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:42:01,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:42:01,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:42:01,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:42:01,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:01" (1/1) ... [2020-07-20 01:42:01,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:01" (1/1) ... [2020-07-20 01:42:01,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:01" (1/1) ... [2020-07-20 01:42:01,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:01" (1/1) ... [2020-07-20 01:42:01,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:01" (1/1) ... [2020-07-20 01:42:01,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:01" (1/1) ... [2020-07-20 01:42:01,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:01" (1/1) ... [2020-07-20 01:42:01,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:42:01,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:42:01,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:42:01,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:42:01,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:01" (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 01:42:01,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:42:01,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:42:01,994 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 01:42:01,994 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:42:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 01:42:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:42:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:42:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 01:42:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:42:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:42:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:42:03,393 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:42:03,394 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 01:42:03,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:42:03 BoogieIcfgContainer [2020-07-20 01:42:03,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:42:03,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:42:03,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:42:03,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:42:03,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:42:00" (1/3) ... [2020-07-20 01:42:03,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fcc9681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:42:03, skipping insertion in model container [2020-07-20 01:42:03,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:01" (2/3) ... [2020-07-20 01:42:03,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fcc9681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:42:03, skipping insertion in model container [2020-07-20 01:42:03,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:42:03" (3/3) ... [2020-07-20 01:42:03,410 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label21.c [2020-07-20 01:42:03,420 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:42:03,429 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:42:03,443 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:42:03,472 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:42:03,473 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:42:03,473 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:42:03,473 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:42:03,473 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:42:03,474 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:42:03,474 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:42:03,474 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:42:03,500 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-07-20 01:42:03,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-20 01:42:03,509 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:42:03,510 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 01:42:03,511 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:42:03,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:42:03,518 INFO L82 PathProgramCache]: Analyzing trace with hash -736368013, now seen corresponding path program 1 times [2020-07-20 01:42:03,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:42:03,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429101553] [2020-07-20 01:42:03,530 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7c085aee [2020-07-20 01:42:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:03,879 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 01:42:03,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429101553] [2020-07-20 01:42:03,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:42:03,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:42:03,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151461818] [2020-07-20 01:42:03,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:42:03,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:42:03,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:42:03,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:42:03,905 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-07-20 01:42:06,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:42:06,585 INFO L93 Difference]: Finished difference Result 886 states and 1613 transitions. [2020-07-20 01:42:06,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 01:42:06,591 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-07-20 01:42:06,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:42:06,621 INFO L225 Difference]: With dead ends: 886 [2020-07-20 01:42:06,621 INFO L226 Difference]: Without dead ends: 564 [2020-07-20 01:42:06,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:42:06,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-07-20 01:42:06,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-07-20 01:42:06,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-07-20 01:42:06,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 906 transitions. [2020-07-20 01:42:06,780 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 906 transitions. Word has length 40 [2020-07-20 01:42:06,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:42:06,781 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 906 transitions. [2020-07-20 01:42:06,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:42:06,781 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 906 transitions. [2020-07-20 01:42:06,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-07-20 01:42:06,787 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:42:06,788 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 01:42:06,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:42:06,788 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:42:06,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:42:06,789 INFO L82 PathProgramCache]: Analyzing trace with hash 769181710, now seen corresponding path program 1 times [2020-07-20 01:42:06,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:42:06,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750460656] [2020-07-20 01:42:06,790 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7c085aee [2020-07-20 01:42:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:07,141 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 01:42:07,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750460656] [2020-07-20 01:42:07,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:42:07,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:42:07,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608420732] [2020-07-20 01:42:07,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:42:07,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:42:07,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:42:07,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:42:07,147 INFO L87 Difference]: Start difference. First operand 558 states and 906 transitions. Second operand 8 states. [2020-07-20 01:42:09,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:42:09,164 INFO L93 Difference]: Finished difference Result 1320 states and 2174 transitions. [2020-07-20 01:42:09,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 01:42:09,165 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 114 [2020-07-20 01:42:09,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:42:09,172 INFO L225 Difference]: With dead ends: 1320 [2020-07-20 01:42:09,172 INFO L226 Difference]: Without dead ends: 768 [2020-07-20 01:42:09,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-07-20 01:42:09,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-07-20 01:42:09,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 566. [2020-07-20 01:42:09,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-07-20 01:42:09,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 819 transitions. [2020-07-20 01:42:09,222 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 819 transitions. Word has length 114 [2020-07-20 01:42:09,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:42:09,224 INFO L479 AbstractCegarLoop]: Abstraction has 566 states and 819 transitions. [2020-07-20 01:42:09,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:42:09,224 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 819 transitions. [2020-07-20 01:42:09,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-20 01:42:09,237 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:42:09,237 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] [2020-07-20 01:42:09,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:42:09,238 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:42:09,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:42:09,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1466730177, now seen corresponding path program 1 times [2020-07-20 01:42:09,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:42:09,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698121001] [2020-07-20 01:42:09,241 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7c085aee [2020-07-20 01:42:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:09,710 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 01:42:09,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698121001] [2020-07-20 01:42:09,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:42:09,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:42:09,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965848296] [2020-07-20 01:42:09,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:42:09,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:42:09,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:42:09,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:42:09,723 INFO L87 Difference]: Start difference. First operand 566 states and 819 transitions. Second operand 8 states. [2020-07-20 01:42:12,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:42:12,233 INFO L93 Difference]: Finished difference Result 1518 states and 2185 transitions. [2020-07-20 01:42:12,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:42:12,236 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 123 [2020-07-20 01:42:12,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:42:12,242 INFO L225 Difference]: With dead ends: 1518 [2020-07-20 01:42:12,242 INFO L226 Difference]: Without dead ends: 958 [2020-07-20 01:42:12,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-20 01:42:12,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2020-07-20 01:42:12,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 752. [2020-07-20 01:42:12,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2020-07-20 01:42:12,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1026 transitions. [2020-07-20 01:42:12,270 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1026 transitions. Word has length 123 [2020-07-20 01:42:12,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:42:12,271 INFO L479 AbstractCegarLoop]: Abstraction has 752 states and 1026 transitions. [2020-07-20 01:42:12,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:42:12,271 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1026 transitions. [2020-07-20 01:42:12,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-07-20 01:42:12,273 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:42:12,274 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:42:12,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:42:12,274 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:42:12,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:42:12,275 INFO L82 PathProgramCache]: Analyzing trace with hash 871588671, now seen corresponding path program 1 times [2020-07-20 01:42:12,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:42:12,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727271204] [2020-07-20 01:42:12,276 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7c085aee [2020-07-20 01:42:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:12,545 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 66 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 01:42:12,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727271204] [2020-07-20 01:42:12,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244535815] [2020-07-20 01:42:12,546 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@e1a20e0 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:42:12,712 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@e1a20e0 issued 4 check-sat command(s) [2020-07-20 01:42:12,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:42:12,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:42:12,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:42:12,856 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-20 01:42:12,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:42:12,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-07-20 01:42:12,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314690311] [2020-07-20 01:42:12,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:42:12,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:42:12,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:42:12,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:42:12,859 INFO L87 Difference]: Start difference. First operand 752 states and 1026 transitions. Second operand 3 states. [2020-07-20 01:42:13,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:42:13,906 INFO L93 Difference]: Finished difference Result 2232 states and 3090 transitions. [2020-07-20 01:42:13,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:42:13,908 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2020-07-20 01:42:13,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:42:13,923 INFO L225 Difference]: With dead ends: 2232 [2020-07-20 01:42:13,923 INFO L226 Difference]: Without dead ends: 1486 [2020-07-20 01:42:13,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:42:13,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2020-07-20 01:42:13,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1304. [2020-07-20 01:42:13,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1304 states. [2020-07-20 01:42:13,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 1692 transitions. [2020-07-20 01:42:13,999 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 1692 transitions. Word has length 196 [2020-07-20 01:42:14,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:42:14,001 INFO L479 AbstractCegarLoop]: Abstraction has 1304 states and 1692 transitions. [2020-07-20 01:42:14,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:42:14,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1692 transitions. [2020-07-20 01:42:14,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-07-20 01:42:14,010 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:42:14,011 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:42:14,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:42:14,225 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:42:14,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:42:14,226 INFO L82 PathProgramCache]: Analyzing trace with hash 104519423, now seen corresponding path program 1 times [2020-07-20 01:42:14,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:42:14,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211498775] [2020-07-20 01:42:14,227 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7c085aee [2020-07-20 01:42:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:14,732 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 99 proven. 136 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-07-20 01:42:14,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211498775] [2020-07-20 01:42:14,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31920444] [2020-07-20 01:42:14,734 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@544442bd 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 01:42:14,935 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@544442bd issued 4 check-sat command(s) [2020-07-20 01:42:14,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:42:14,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:42:14,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:42:15,112 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2020-07-20 01:42:15,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:42:15,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-07-20 01:42:15,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812210066] [2020-07-20 01:42:15,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:42:15,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:42:15,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:42:15,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:42:15,115 INFO L87 Difference]: Start difference. First operand 1304 states and 1692 transitions. Second operand 3 states. [2020-07-20 01:42:16,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:42:16,084 INFO L93 Difference]: Finished difference Result 3340 states and 4448 transitions. [2020-07-20 01:42:16,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:42:16,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 299 [2020-07-20 01:42:16,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:42:16,102 INFO L225 Difference]: With dead ends: 3340 [2020-07-20 01:42:16,103 INFO L226 Difference]: Without dead ends: 2042 [2020-07-20 01:42:16,108 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:42:16,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2042 states. [2020-07-20 01:42:16,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2042 to 1858. [2020-07-20 01:42:16,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1858 states. [2020-07-20 01:42:16,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1858 states and 2367 transitions. [2020-07-20 01:42:16,189 INFO L78 Accepts]: Start accepts. Automaton has 1858 states and 2367 transitions. Word has length 299 [2020-07-20 01:42:16,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:42:16,190 INFO L479 AbstractCegarLoop]: Abstraction has 1858 states and 2367 transitions. [2020-07-20 01:42:16,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:42:16,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 2367 transitions. [2020-07-20 01:42:16,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-07-20 01:42:16,201 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:42:16,202 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:42:16,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:42:16,417 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:42:16,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:42:16,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1386256083, now seen corresponding path program 1 times [2020-07-20 01:42:16,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:42:16,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411455659] [2020-07-20 01:42:16,421 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7c085aee [2020-07-20 01:42:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:16,984 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 99 proven. 136 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-07-20 01:42:16,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411455659] [2020-07-20 01:42:16,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816835999] [2020-07-20 01:42:16,987 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@16d4a4ca No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:42:17,243 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@16d4a4ca issued 4 check-sat command(s) [2020-07-20 01:42:17,244 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:42:17,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:42:17,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:42:17,425 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-07-20 01:42:17,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:42:17,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-07-20 01:42:17,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558325289] [2020-07-20 01:42:17,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:42:17,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:42:17,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:42:17,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:42:17,430 INFO L87 Difference]: Start difference. First operand 1858 states and 2367 transitions. Second operand 3 states. [2020-07-20 01:42:18,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:42:18,580 INFO L93 Difference]: Finished difference Result 3900 states and 5198 transitions. [2020-07-20 01:42:18,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:42:18,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2020-07-20 01:42:18,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:42:18,597 INFO L225 Difference]: With dead ends: 3900 [2020-07-20 01:42:18,597 INFO L226 Difference]: Without dead ends: 2412 [2020-07-20 01:42:18,603 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:42:18,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2412 states. [2020-07-20 01:42:18,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2412 to 2228. [2020-07-20 01:42:18,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2228 states. [2020-07-20 01:42:18,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 2902 transitions. [2020-07-20 01:42:18,679 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 2902 transitions. Word has length 305 [2020-07-20 01:42:18,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:42:18,680 INFO L479 AbstractCegarLoop]: Abstraction has 2228 states and 2902 transitions. [2020-07-20 01:42:18,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:42:18,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2902 transitions. [2020-07-20 01:42:18,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-07-20 01:42:18,688 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:42:18,689 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:42:18,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:42:18,902 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:42:18,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:42:18,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1050948947, now seen corresponding path program 1 times [2020-07-20 01:42:18,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:42:18,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757049512] [2020-07-20 01:42:18,904 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7c085aee [2020-07-20 01:42:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:19,355 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 99 proven. 136 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-07-20 01:42:19,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757049512] [2020-07-20 01:42:19,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636457543] [2020-07-20 01:42:19,356 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2256f71a No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:42:19,638 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2256f71a issued 4 check-sat command(s) [2020-07-20 01:42:19,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:42:19,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:42:19,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:42:19,781 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2020-07-20 01:42:19,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:42:19,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-07-20 01:42:19,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537808891] [2020-07-20 01:42:19,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:42:19,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:42:19,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:42:19,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:42:19,784 INFO L87 Difference]: Start difference. First operand 2228 states and 2902 transitions. Second operand 3 states. [2020-07-20 01:42:20,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:42:20,851 INFO L93 Difference]: Finished difference Result 5190 states and 6970 transitions. [2020-07-20 01:42:20,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:42:20,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 337 [2020-07-20 01:42:20,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:42:20,853 INFO L225 Difference]: With dead ends: 5190 [2020-07-20 01:42:20,853 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:42:20,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 340 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:42:20,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:42:20,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:42:20,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:42:20,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:42:20,865 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 337 [2020-07-20 01:42:20,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:42:20,866 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:42:20,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:42:20,866 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:42:20,866 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:42:21,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:42:21,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:42:21,778 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 28 [2020-07-20 01:42:21,898 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:42:21,899 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a24~0 |old(~a24~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-07-20 01:42:21,899 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:42:21,899 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-07-20 01:42:21,899 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-07-20 01:42:21,899 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,899 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,900 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,900 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-07-20 01:42:21,900 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-20 01:42:21,900 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-20 01:42:21,900 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-20 01:42:21,900 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-07-20 01:42:21,900 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-07-20 01:42:21,901 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-07-20 01:42:21,902 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-07-20 01:42:21,902 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,902 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,902 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,902 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-07-20 01:42:21,902 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-07-20 01:42:21,902 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-20 01:42:21,903 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-20 01:42:21,903 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-20 01:42:21,903 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-07-20 01:42:21,903 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-07-20 01:42:21,903 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-07-20 01:42:21,903 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,904 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,905 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,905 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-07-20 01:42:21,905 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 01:42:21,905 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-20 01:42:21,905 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-20 01:42:21,908 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-07-20 01:42:21,909 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-07-20 01:42:21,909 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-07-20 01:42:21,910 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-07-20 01:42:21,910 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-07-20 01:42:21,912 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,912 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,913 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,913 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-07-20 01:42:21,913 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-20 01:42:21,913 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-20 01:42:21,913 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-20 01:42:21,913 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-07-20 01:42:21,913 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-07-20 01:42:21,913 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-07-20 01:42:21,914 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,914 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,914 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,914 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-07-20 01:42:21,914 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 01:42:21,914 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 01:42:21,914 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-20 01:42:21,914 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-07-20 01:42:21,915 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-07-20 01:42:21,915 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-07-20 01:42:21,915 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-07-20 01:42:21,915 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-07-20 01:42:21,915 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,923 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,924 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,924 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,924 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-07-20 01:42:21,924 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 01:42:21,924 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 01:42:21,924 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-20 01:42:21,925 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-07-20 01:42:21,925 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-07-20 01:42:21,925 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-07-20 01:42:21,925 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-07-20 01:42:21,925 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,925 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,925 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,925 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 01:42:21,926 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 01:42:21,926 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-20 01:42:21,926 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-07-20 01:42:21,926 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-07-20 01:42:21,926 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-07-20 01:42:21,926 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-07-20 01:42:21,926 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-07-20 01:42:21,926 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,927 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,927 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,927 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-07-20 01:42:21,927 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-07-20 01:42:21,927 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 01:42:21,929 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 01:42:21,930 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-20 01:42:21,930 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-07-20 01:42:21,930 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)))) (and (or (not (<= |old(~a21~0)| 6)) .cse0) (or .cse0 (not (<= 9 |old(~a21~0)|))) (or (= 6 |old(~a15~0)|) .cse0) (or .cse0 (not (< 11 |old(~a12~0)|))))) [2020-07-20 01:42:21,930 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-07-20 01:42:21,930 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-07-20 01:42:21,930 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,930 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,931 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,931 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 01:42:21,931 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 01:42:21,931 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-20 01:42:21,931 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-07-20 01:42:21,931 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-07-20 01:42:21,931 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-07-20 01:42:21,931 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-07-20 01:42:21,932 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-07-20 01:42:21,932 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,932 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,932 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,932 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-07-20 01:42:21,934 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-07-20 01:42:21,934 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 01:42:21,935 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 01:42:21,935 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-20 01:42:21,935 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-07-20 01:42:21,935 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-07-20 01:42:21,935 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-07-20 01:42:21,935 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,936 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,936 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,936 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-07-20 01:42:21,936 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 01:42:21,936 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 01:42:21,936 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-20 01:42:21,937 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-07-20 01:42:21,937 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-07-20 01:42:21,937 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-07-20 01:42:21,937 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-07-20 01:42:21,937 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,937 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,937 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,937 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-07-20 01:42:21,938 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 01:42:21,938 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 01:42:21,938 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-20 01:42:21,938 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-07-20 01:42:21,938 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-07-20 01:42:21,938 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-07-20 01:42:21,938 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-07-20 01:42:21,938 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,938 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,939 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-07-20 01:42:21,939 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 01:42:21,939 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-20 01:42:21,939 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-07-20 01:42:21,939 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-07-20 01:42:21,939 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-07-20 01:42:21,939 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-07-20 01:42:21,939 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-07-20 01:42:21,940 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2020-07-20 01:42:21,940 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,940 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,940 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-07-20 01:42:21,940 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 01:42:21,940 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-20 01:42:21,940 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-07-20 01:42:21,940 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-07-20 01:42:21,940 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-07-20 01:42:21,941 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,941 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,941 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-07-20 01:42:21,941 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-07-20 01:42:21,941 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 01:42:21,941 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-20 01:42:21,941 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-07-20 01:42:21,941 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-07-20 01:42:21,942 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-07-20 01:42:21,942 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-07-20 01:42:21,942 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,942 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,942 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-07-20 01:42:21,942 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-07-20 01:42:21,942 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-20 01:42:21,943 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 01:42:21,944 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-07-20 01:42:21,944 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-07-20 01:42:21,944 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-07-20 01:42:21,944 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,945 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,945 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,945 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-07-20 01:42:21,945 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-07-20 01:42:21,945 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-20 01:42:21,945 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 01:42:21,945 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-07-20 01:42:21,945 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-07-20 01:42:21,946 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,946 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,946 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-20 01:42:21,946 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,946 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-07-20 01:42:21,946 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-07-20 01:42:21,946 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-07-20 01:42:21,946 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 01:42:21,947 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 01:42:21,947 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-20 01:42:21,947 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-07-20 01:42:21,947 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-07-20 01:42:21,947 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-07-20 01:42:21,947 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-07-20 01:42:21,947 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,947 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,948 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,948 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-07-20 01:42:21,948 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 01:42:21,948 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 01:42:21,948 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-20 01:42:21,948 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-07-20 01:42:21,948 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-07-20 01:42:21,948 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-07-20 01:42:21,948 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-07-20 01:42:21,949 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,949 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,949 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,949 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-07-20 01:42:21,949 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-07-20 01:42:21,949 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-20 01:42:21,949 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 01:42:21,949 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-20 01:42:21,950 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-07-20 01:42:21,950 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-07-20 01:42:21,950 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-07-20 01:42:21,950 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,950 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,950 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,950 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-07-20 01:42:21,950 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 01:42:21,951 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 01:42:21,951 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-20 01:42:21,951 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-07-20 01:42:21,951 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-07-20 01:42:21,951 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-07-20 01:42:21,951 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-07-20 01:42:21,951 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-07-20 01:42:21,951 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,952 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,952 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:42:21,952 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-07-20 01:42:21,952 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-20 01:42:21,952 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 01:42:21,952 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-20 01:42:21,952 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-07-20 01:42:21,952 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:42:21,953 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (<= ~a15~0 8) (<= 8 ~a15~0)) [2020-07-20 01:42:21,954 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:42:21,954 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:42:21,954 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= |old(~a15~0)| 8)) (not (<= 8 |old(~a15~0)|)) (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (<= ~a15~0 8) (= ~a21~0 |old(~a21~0)|) (<= 8 ~a15~0))) [2020-07-20 01:42:21,955 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-07-20 01:42:21,956 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (<= ~a21~0 6) (< 11 ~a12~0) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= |old(~a15~0)| 8)) (not (= 6 ~a15~0)) (<= 9 ~a21~0) (not (<= 8 |old(~a15~0)|))) [2020-07-20 01:42:21,956 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-07-20 01:42:21,956 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-07-20 01:42:21,956 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (<= ~a21~0 6) (< 11 ~a12~0) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= |old(~a15~0)| 8)) (not (= 6 ~a15~0)) (<= 9 ~a21~0) (not (<= 8 |old(~a15~0)|))) [2020-07-20 01:42:21,956 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-07-20 01:42:21,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:42:21 BoogieIcfgContainer [2020-07-20 01:42:21,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:42:21,994 INFO L168 Benchmark]: Toolchain (without parser) took 21180.38 ms. Allocated memory was 146.3 MB in the beginning and 546.3 MB in the end (delta: 400.0 MB). Free memory was 100.8 MB in the beginning and 426.9 MB in the end (delta: -326.1 MB). Peak memory consumption was 413.4 MB. Max. memory is 7.1 GB. [2020-07-20 01:42:21,995 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.3 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-20 01:42:21,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 927.12 ms. Allocated memory was 146.3 MB in the beginning and 207.1 MB in the end (delta: 60.8 MB). Free memory was 100.4 MB in the beginning and 170.7 MB in the end (delta: -70.3 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. [2020-07-20 01:42:21,998 INFO L168 Benchmark]: Boogie Preprocessor took 172.32 ms. Allocated memory is still 207.1 MB. Free memory was 170.7 MB in the beginning and 165.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2020-07-20 01:42:22,002 INFO L168 Benchmark]: RCFGBuilder took 1489.20 ms. Allocated memory was 207.1 MB in the beginning and 241.2 MB in the end (delta: 34.1 MB). Free memory was 165.1 MB in the beginning and 159.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. [2020-07-20 01:42:22,003 INFO L168 Benchmark]: TraceAbstraction took 18582.48 ms. Allocated memory was 241.2 MB in the beginning and 546.3 MB in the end (delta: 305.1 MB). Free memory was 158.5 MB in the beginning and 426.9 MB in the end (delta: -268.5 MB). Peak memory consumption was 376.2 MB. Max. memory is 7.1 GB. [2020-07-20 01:42:22,018 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 146.3 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 927.12 ms. Allocated memory was 146.3 MB in the beginning and 207.1 MB in the end (delta: 60.8 MB). Free memory was 100.4 MB in the beginning and 170.7 MB in the end (delta: -70.3 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 172.32 ms. Allocated memory is still 207.1 MB. Free memory was 170.7 MB in the beginning and 165.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1489.20 ms. Allocated memory was 207.1 MB in the beginning and 241.2 MB in the end (delta: 34.1 MB). Free memory was 165.1 MB in the beginning and 159.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18582.48 ms. Allocated memory was 241.2 MB in the beginning and 546.3 MB in the end (delta: 305.1 MB). Free memory was 158.5 MB in the beginning and 426.9 MB in the end (delta: -268.5 MB). Peak memory consumption was 376.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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: 880]: Loop Invariant Derived loop invariant: (((((a21 <= 6 || 11 < a12) || !(\old(a12) + 49 <= 0)) || !(\old(a15) <= 8)) || !(6 == a15)) || 9 <= a21) || !(8 <= \old(a15)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.6s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 11.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1251 SDtfs, 3457 SDslu, 179 SDs, 0 SdLazy, 5650 SolverSat, 1526 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1213 GetRequests, 1157 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2228occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 964 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 60 PreInvPairs, 96 NumberOfFragments, 203 HoareAnnotationTreeSize, 60 FomulaSimplifications, 9266 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1644 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2551 NumberOfCodeBlocks, 2551 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2540 ConstructedInterpolants, 0 QuantifiedInterpolants, 1476417 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1970 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 1834/2310 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...