/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/Problem10_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:38:44,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:38:44,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:38:44,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-20 01:38:44,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:38:44,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:38:44,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:38:44,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:38:44,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:38:44,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:38:44,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:38:44,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:38:44,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:38:44,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:38:44,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:38:44,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:38:44,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 01:38:44,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:38:44,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:38:44,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:38:44,433 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 01:38:44,448 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:38:44,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:38:44,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:38:44,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:38:44,450 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:38:44,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:38:44,451 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:38:44,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:38:44,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:38:44,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:38:44,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:38:44,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:38:44,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:38:44,452 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:38:44,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:38:44,452 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:38:44,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:38:44,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:38:44,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:38:44,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:38:44,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:38:44,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:38:44,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:38:44,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:38:44,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:38:44,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:38:44,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:38:44,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:38:44,455 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:38:44,455 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 01:38:44,729 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:38:44,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:38:44,745 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:38:44,747 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:38:44,747 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:38:44,748 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38.c [2020-07-20 01:38:44,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ef1d3c8a/106c4605c2134196a2e12d31252758fe/FLAGffc517819 [2020-07-20 01:38:45,422 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:38:45,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label38.c [2020-07-20 01:38:45,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ef1d3c8a/106c4605c2134196a2e12d31252758fe/FLAGffc517819 [2020-07-20 01:38:45,704 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ef1d3c8a/106c4605c2134196a2e12d31252758fe [2020-07-20 01:38:45,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:38:45,720 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:38:45,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:38:45,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:38:45,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:38:45,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:38:45" (1/1) ... [2020-07-20 01:38:45,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b8c1581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:45, skipping insertion in model container [2020-07-20 01:38:45,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:38:45" (1/1) ... [2020-07-20 01:38:45,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:38:45,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:38:46,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:38:46,348 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:38:46,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:38:46,478 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:38:46,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:46 WrapperNode [2020-07-20 01:38:46,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:38:46,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:38:46,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:38:46,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:38:46,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:46" (1/1) ... [2020-07-20 01:38:46,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:46" (1/1) ... [2020-07-20 01:38:46,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:46" (1/1) ... [2020-07-20 01:38:46,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:46" (1/1) ... [2020-07-20 01:38:46,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:46" (1/1) ... [2020-07-20 01:38:46,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:46" (1/1) ... [2020-07-20 01:38:46,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:46" (1/1) ... [2020-07-20 01:38:46,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:38:46,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:38:46,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:38:46,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:38:46,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:46" (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 01:38:46,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:38:46,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:38:46,656 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 01:38:46,656 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:38:46,657 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 01:38:46,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:38:46,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:38:46,657 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 01:38:46,657 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:38:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:38:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:38:47,917 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:38:47,917 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 01:38:47,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:38:47 BoogieIcfgContainer [2020-07-20 01:38:47,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:38:47,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:38:47,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:38:47,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:38:47,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:38:45" (1/3) ... [2020-07-20 01:38:47,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9743e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:38:47, skipping insertion in model container [2020-07-20 01:38:47,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:46" (2/3) ... [2020-07-20 01:38:47,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9743e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:38:47, skipping insertion in model container [2020-07-20 01:38:47,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:38:47" (3/3) ... [2020-07-20 01:38:47,933 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label38.c [2020-07-20 01:38:47,945 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:38:47,959 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:38:47,975 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:38:48,003 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:38:48,003 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:38:48,003 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:38:48,003 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:38:48,004 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:38:48,004 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:38:48,004 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:38:48,004 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:38:48,031 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-20 01:38:48,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-20 01:38:48,040 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:38:48,041 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] [2020-07-20 01:38:48,042 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:38:48,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:38:48,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1813043417, now seen corresponding path program 1 times [2020-07-20 01:38:48,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:38:48,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966875981] [2020-07-20 01:38:48,062 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e179f61 [2020-07-20 01:38:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:48,385 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 01:38:48,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966875981] [2020-07-20 01:38:48,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:38:48,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:38:48,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435463087] [2020-07-20 01:38:48,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:38:48,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:38:48,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:38:48,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:38:48,416 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-07-20 01:38:50,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:38:50,488 INFO L93 Difference]: Finished difference Result 745 states and 1315 transitions. [2020-07-20 01:38:50,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 01:38:50,491 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2020-07-20 01:38:50,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:38:50,528 INFO L225 Difference]: With dead ends: 745 [2020-07-20 01:38:50,529 INFO L226 Difference]: Without dead ends: 447 [2020-07-20 01:38:50,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:38:50,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-20 01:38:50,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-07-20 01:38:50,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-07-20 01:38:50,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 635 transitions. [2020-07-20 01:38:50,690 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 635 transitions. Word has length 38 [2020-07-20 01:38:50,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:38:50,691 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 635 transitions. [2020-07-20 01:38:50,691 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:38:50,691 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 635 transitions. [2020-07-20 01:38:50,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-20 01:38:50,697 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:38:50,697 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:38:50,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:38:50,698 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:38:50,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:38:50,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1939889954, now seen corresponding path program 1 times [2020-07-20 01:38:50,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:38:50,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019047771] [2020-07-20 01:38:50,700 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e179f61 [2020-07-20 01:38:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:51,018 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:38:51,019 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019047771] [2020-07-20 01:38:51,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:38:51,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:38:51,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472949938] [2020-07-20 01:38:51,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:38:51,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:38:51,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:38:51,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:38:51,023 INFO L87 Difference]: Start difference. First operand 443 states and 635 transitions. Second operand 8 states. [2020-07-20 01:38:53,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:38:53,093 INFO L93 Difference]: Finished difference Result 1782 states and 2698 transitions. [2020-07-20 01:38:53,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:38:53,095 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 112 [2020-07-20 01:38:53,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:38:53,108 INFO L225 Difference]: With dead ends: 1782 [2020-07-20 01:38:53,109 INFO L226 Difference]: Without dead ends: 1345 [2020-07-20 01:38:53,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-07-20 01:38:53,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2020-07-20 01:38:53,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1184. [2020-07-20 01:38:53,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1184 states. [2020-07-20 01:38:53,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1665 transitions. [2020-07-20 01:38:53,204 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1665 transitions. Word has length 112 [2020-07-20 01:38:53,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:38:53,207 INFO L479 AbstractCegarLoop]: Abstraction has 1184 states and 1665 transitions. [2020-07-20 01:38:53,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:38:53,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1665 transitions. [2020-07-20 01:38:53,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-07-20 01:38:53,220 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:38:53,220 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:38:53,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:38:53,222 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:38:53,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:38:53,223 INFO L82 PathProgramCache]: Analyzing trace with hash -444185243, now seen corresponding path program 1 times [2020-07-20 01:38:53,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:38:53,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084153866] [2020-07-20 01:38:53,225 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e179f61 [2020-07-20 01:38:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:38:53,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084153866] [2020-07-20 01:38:53,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008573940] [2020-07-20 01:38:53,468 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6945c493 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 01:38:53,586 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6945c493 issued 4 check-sat command(s) [2020-07-20 01:38:53,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:38:53,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:38:53,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:38:53,662 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:38:53,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:38:53,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-20 01:38:53,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181375005] [2020-07-20 01:38:53,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:38:53,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:38:53,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:38:53,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:38:53,666 INFO L87 Difference]: Start difference. First operand 1184 states and 1665 transitions. Second operand 3 states. [2020-07-20 01:38:54,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:38:54,404 INFO L93 Difference]: Finished difference Result 2801 states and 4018 transitions. [2020-07-20 01:38:54,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:38:54,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-07-20 01:38:54,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:38:54,418 INFO L225 Difference]: With dead ends: 2801 [2020-07-20 01:38:54,420 INFO L226 Difference]: Without dead ends: 1623 [2020-07-20 01:38:54,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:38:54,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2020-07-20 01:38:54,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1623. [2020-07-20 01:38:54,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1623 states. [2020-07-20 01:38:54,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1623 states and 2270 transitions. [2020-07-20 01:38:54,506 INFO L78 Accepts]: Start accepts. Automaton has 1623 states and 2270 transitions. Word has length 117 [2020-07-20 01:38:54,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:38:54,508 INFO L479 AbstractCegarLoop]: Abstraction has 1623 states and 2270 transitions. [2020-07-20 01:38:54,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:38:54,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 2270 transitions. [2020-07-20 01:38:54,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-20 01:38:54,509 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:38:54,510 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:38:54,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-20 01:38:54,711 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:38:54,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:38:54,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1165296197, now seen corresponding path program 1 times [2020-07-20 01:38:54,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:38:54,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130996246] [2020-07-20 01:38:54,714 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e179f61 [2020-07-20 01:38:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:54,905 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:38:54,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130996246] [2020-07-20 01:38:54,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:38:54,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:38:54,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966427891] [2020-07-20 01:38:54,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:38:54,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:38:54,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:38:54,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:38:54,908 INFO L87 Difference]: Start difference. First operand 1623 states and 2270 transitions. Second operand 8 states. [2020-07-20 01:38:56,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:38:56,436 INFO L93 Difference]: Finished difference Result 3880 states and 5655 transitions. [2020-07-20 01:38:56,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 01:38:56,437 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 133 [2020-07-20 01:38:56,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:38:56,461 INFO L225 Difference]: With dead ends: 3880 [2020-07-20 01:38:56,461 INFO L226 Difference]: Without dead ends: 2263 [2020-07-20 01:38:56,467 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 01:38:56,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2020-07-20 01:38:56,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 1645. [2020-07-20 01:38:56,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1645 states. [2020-07-20 01:38:56,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 2119 transitions. [2020-07-20 01:38:56,570 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 2119 transitions. Word has length 133 [2020-07-20 01:38:56,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:38:56,572 INFO L479 AbstractCegarLoop]: Abstraction has 1645 states and 2119 transitions. [2020-07-20 01:38:56,572 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:38:56,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 2119 transitions. [2020-07-20 01:38:56,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-07-20 01:38:56,580 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:38:56,580 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:38:56,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 01:38:56,581 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:38:56,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:38:56,581 INFO L82 PathProgramCache]: Analyzing trace with hash 231710718, now seen corresponding path program 1 times [2020-07-20 01:38:56,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:38:56,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164832113] [2020-07-20 01:38:56,582 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e179f61 [2020-07-20 01:38:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:56,974 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-07-20 01:38:56,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164832113] [2020-07-20 01:38:56,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069052358] [2020-07-20 01:38:56,975 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@c34ba6 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 01:38:57,100 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@c34ba6 issued 4 check-sat command(s) [2020-07-20 01:38:57,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:38:57,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:38:57,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:38:57,163 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-07-20 01:38:57,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:38:57,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2020-07-20 01:38:57,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771366739] [2020-07-20 01:38:57,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:38:57,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:38:57,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:38:57,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:38:57,166 INFO L87 Difference]: Start difference. First operand 1645 states and 2119 transitions. Second operand 3 states. [2020-07-20 01:38:57,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:38:57,811 INFO L93 Difference]: Finished difference Result 3582 states and 4671 transitions. [2020-07-20 01:38:57,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:38:57,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2020-07-20 01:38:57,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:38:57,823 INFO L225 Difference]: With dead ends: 3582 [2020-07-20 01:38:57,823 INFO L226 Difference]: Without dead ends: 1943 [2020-07-20 01:38:57,828 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 212 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:38:57,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1943 states. [2020-07-20 01:38:57,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1943 to 1939. [2020-07-20 01:38:57,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1939 states. [2020-07-20 01:38:57,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1939 states and 2509 transitions. [2020-07-20 01:38:57,895 INFO L78 Accepts]: Start accepts. Automaton has 1939 states and 2509 transitions. Word has length 205 [2020-07-20 01:38:57,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:38:57,896 INFO L479 AbstractCegarLoop]: Abstraction has 1939 states and 2509 transitions. [2020-07-20 01:38:57,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:38:57,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1939 states and 2509 transitions. [2020-07-20 01:38:57,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-07-20 01:38:57,901 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:38:57,901 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:38:58,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:38:58,116 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:38:58,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:38:58,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1672245321, now seen corresponding path program 1 times [2020-07-20 01:38:58,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:38:58,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883246243] [2020-07-20 01:38:58,118 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e179f61 [2020-07-20 01:38:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:58,365 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 62 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 01:38:58,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883246243] [2020-07-20 01:38:58,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205169139] [2020-07-20 01:38:58,366 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@78184d66 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:38:58,506 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@78184d66 issued 4 check-sat command(s) [2020-07-20 01:38:58,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:38:58,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:38:58,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:38:58,654 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:38:58,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:38:58,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-20 01:38:58,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052098547] [2020-07-20 01:38:58,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 01:38:58,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:38:58,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 01:38:58,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:38:58,657 INFO L87 Difference]: Start difference. First operand 1939 states and 2509 transitions. Second operand 10 states. [2020-07-20 01:39:01,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:39:01,390 INFO L93 Difference]: Finished difference Result 4051 states and 5232 transitions. [2020-07-20 01:39:01,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 01:39:01,391 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 216 [2020-07-20 01:39:01,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:39:01,408 INFO L225 Difference]: With dead ends: 4051 [2020-07-20 01:39:01,408 INFO L226 Difference]: Without dead ends: 2118 [2020-07-20 01:39:01,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2020-07-20 01:39:01,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2118 states. [2020-07-20 01:39:01,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2118 to 2098. [2020-07-20 01:39:01,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2098 states. [2020-07-20 01:39:01,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 2098 states and 2660 transitions. [2020-07-20 01:39:01,508 INFO L78 Accepts]: Start accepts. Automaton has 2098 states and 2660 transitions. Word has length 216 [2020-07-20 01:39:01,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:39:01,509 INFO L479 AbstractCegarLoop]: Abstraction has 2098 states and 2660 transitions. [2020-07-20 01:39:01,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 01:39:01,510 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2660 transitions. [2020-07-20 01:39:01,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-07-20 01:39:01,518 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:39:01,519 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:39:01,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:39:01,732 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:39:01,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:39:01,733 INFO L82 PathProgramCache]: Analyzing trace with hash 2031621198, now seen corresponding path program 1 times [2020-07-20 01:39:01,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:39:01,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107070889] [2020-07-20 01:39:01,734 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e179f61 [2020-07-20 01:39:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:39:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:39:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:39:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:39:02,198 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 129 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:39:02,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107070889] [2020-07-20 01:39:02,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445299101] [2020-07-20 01:39:02,199 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5d9ba6a9 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 01:39:02,395 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5d9ba6a9 issued 4 check-sat command(s) [2020-07-20 01:39:02,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:39:02,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:39:02,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:39:02,605 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:39:02,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:39:02,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-20 01:39:02,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503215254] [2020-07-20 01:39:02,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 01:39:02,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:39:02,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 01:39:02,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:39:02,610 INFO L87 Difference]: Start difference. First operand 2098 states and 2660 transitions. Second operand 10 states. [2020-07-20 01:39:05,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:39:05,990 INFO L93 Difference]: Finished difference Result 4218 states and 5381 transitions. [2020-07-20 01:39:05,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-20 01:39:05,991 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 229 [2020-07-20 01:39:05,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:39:06,003 INFO L225 Difference]: With dead ends: 4218 [2020-07-20 01:39:06,003 INFO L226 Difference]: Without dead ends: 2269 [2020-07-20 01:39:06,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=412, Unknown=0, NotChecked=0, Total=552 [2020-07-20 01:39:06,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2269 states. [2020-07-20 01:39:06,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2269 to 1955. [2020-07-20 01:39:06,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1955 states. [2020-07-20 01:39:06,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1955 states and 2328 transitions. [2020-07-20 01:39:06,074 INFO L78 Accepts]: Start accepts. Automaton has 1955 states and 2328 transitions. Word has length 229 [2020-07-20 01:39:06,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:39:06,075 INFO L479 AbstractCegarLoop]: Abstraction has 1955 states and 2328 transitions. [2020-07-20 01:39:06,075 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 01:39:06,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2328 transitions. [2020-07-20 01:39:06,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-07-20 01:39:06,081 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:39:06,081 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:39:06,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:39:06,295 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:39:06,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:39:06,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1902204083, now seen corresponding path program 1 times [2020-07-20 01:39:06,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:39:06,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476273548] [2020-07-20 01:39:06,296 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e179f61 [2020-07-20 01:39:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:39:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:39:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:39:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:39:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 66 proven. 74 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:39:06,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476273548] [2020-07-20 01:39:06,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673997804] [2020-07-20 01:39:06,813 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@307ec4e4 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:39:06,994 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@307ec4e4 issued 4 check-sat command(s) [2020-07-20 01:39:06,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:39:06,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:39:07,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:39:07,257 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 139 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:39:07,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:39:07,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2020-07-20 01:39:07,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829481916] [2020-07-20 01:39:07,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-20 01:39:07,260 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:39:07,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-20 01:39:07,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-07-20 01:39:07,261 INFO L87 Difference]: Start difference. First operand 1955 states and 2328 transitions. Second operand 13 states. [2020-07-20 01:39:12,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:39:12,507 INFO L93 Difference]: Finished difference Result 6394 states and 7721 transitions. [2020-07-20 01:39:12,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-20 01:39:12,510 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 238 [2020-07-20 01:39:12,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:39:12,527 INFO L225 Difference]: With dead ends: 6394 [2020-07-20 01:39:12,528 INFO L226 Difference]: Without dead ends: 3389 [2020-07-20 01:39:12,537 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=275, Invalid=1057, Unknown=0, NotChecked=0, Total=1332 [2020-07-20 01:39:12,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3389 states. [2020-07-20 01:39:12,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3389 to 2519. [2020-07-20 01:39:12,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2519 states. [2020-07-20 01:39:12,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2519 states and 2909 transitions. [2020-07-20 01:39:12,619 INFO L78 Accepts]: Start accepts. Automaton has 2519 states and 2909 transitions. Word has length 238 [2020-07-20 01:39:12,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:39:12,619 INFO L479 AbstractCegarLoop]: Abstraction has 2519 states and 2909 transitions. [2020-07-20 01:39:12,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-20 01:39:12,620 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 2909 transitions. [2020-07-20 01:39:12,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-07-20 01:39:12,627 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:39:12,627 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:39:12,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:39:12,844 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:39:12,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:39:12,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1214028333, now seen corresponding path program 1 times [2020-07-20 01:39:12,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:39:12,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725527598] [2020-07-20 01:39:12,846 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e179f61 [2020-07-20 01:39:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:39:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:39:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:39:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:39:13,157 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-07-20 01:39:13,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725527598] [2020-07-20 01:39:13,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926397266] [2020-07-20 01:39:13,159 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4324be29 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:39:13,349 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4324be29 issued 4 check-sat command(s) [2020-07-20 01:39:13,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:39:13,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:39:13,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:39:13,458 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-07-20 01:39:13,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:39:13,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-20 01:39:13,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130381154] [2020-07-20 01:39:13,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:39:13,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:39:13,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:39:13,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:39:13,462 INFO L87 Difference]: Start difference. First operand 2519 states and 2909 transitions. Second operand 3 states. [2020-07-20 01:39:13,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:39:13,809 INFO L93 Difference]: Finished difference Result 2519 states and 2909 transitions. [2020-07-20 01:39:13,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:39:13,811 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 294 [2020-07-20 01:39:13,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:39:13,812 INFO L225 Difference]: With dead ends: 2519 [2020-07-20 01:39:13,812 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:39:13,817 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:39:13,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:39:13,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:39:13,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:39:13,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:39:13,818 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 294 [2020-07-20 01:39:13,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:39:13,819 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:39:13,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:39:13,819 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:39:13,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:39:14,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:39:14,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:39:14,437 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 121 [2020-07-20 01:39:15,511 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 53 [2020-07-20 01:39:16,035 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 54 [2020-07-20 01:39:16,533 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 54 [2020-07-20 01:39:16,537 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:39:16,537 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2020-07-20 01:39:16,538 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:39:16,538 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-20 01:39:16,538 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,538 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,538 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,538 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,538 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,539 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,539 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-20 01:39:16,539 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-20 01:39:16,539 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 01:39:16,539 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-20 01:39:16,539 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 01:39:16,539 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-20 01:39:16,539 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-20 01:39:16,539 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-20 01:39:16,539 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-20 01:39:16,540 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-20 01:39:16,540 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-20 01:39:16,540 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,540 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,540 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,540 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,540 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,540 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-20 01:39:16,541 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-20 01:39:16,541 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-20 01:39:16,541 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-20 01:39:16,541 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-20 01:39:16,541 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 01:39:16,541 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-20 01:39:16,541 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-20 01:39:16,541 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-20 01:39:16,541 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-20 01:39:16,541 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-20 01:39:16,541 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-20 01:39:16,541 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-20 01:39:16,542 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 100) no Hoare annotation was computed. [2020-07-20 01:39:16,542 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-20 01:39:16,542 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,542 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,542 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,542 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,542 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,542 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-20 01:39:16,542 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 01:39:16,542 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 01:39:16,543 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-20 01:39:16,543 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-20 01:39:16,543 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-20 01:39:16,543 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-20 01:39:16,543 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-20 01:39:16,543 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-20 01:39:16,543 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-20 01:39:16,543 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,544 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,544 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,544 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,544 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,544 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-20 01:39:16,544 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-20 01:39:16,544 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-20 01:39:16,545 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-20 01:39:16,545 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 01:39:16,545 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-20 01:39:16,545 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-20 01:39:16,545 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-20 01:39:16,545 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-20 01:39:16,545 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-20 01:39:16,545 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-20 01:39:16,545 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-20 01:39:16,546 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-20 01:39:16,546 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,546 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,546 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,546 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,546 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,546 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 01:39:16,547 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-20 01:39:16,547 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 01:39:16,547 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 01:39:16,547 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-20 01:39:16,547 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-20 01:39:16,547 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-20 01:39:16,547 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-20 01:39:16,547 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-20 01:39:16,548 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,548 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,548 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,548 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,548 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,548 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,548 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,548 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-20 01:39:16,549 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-20 01:39:16,549 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-20 01:39:16,549 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-20 01:39:16,549 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 01:39:16,549 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-20 01:39:16,549 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 01:39:16,549 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 01:39:16,549 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-20 01:39:16,550 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-20 01:39:16,550 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-20 01:39:16,550 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-20 01:39:16,550 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-20 01:39:16,550 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,550 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,550 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,550 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,551 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-20 01:39:16,551 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,551 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,551 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-20 01:39:16,551 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-20 01:39:16,551 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-20 01:39:16,551 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 01:39:16,551 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 01:39:16,552 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 01:39:16,552 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 01:39:16,552 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-20 01:39:16,552 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-20 01:39:16,552 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-20 01:39:16,552 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-20 01:39:16,552 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-20 01:39:16,552 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-20 01:39:16,553 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,553 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,553 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,553 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,553 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,553 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,553 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-20 01:39:16,553 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-20 01:39:16,554 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-20 01:39:16,554 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 01:39:16,554 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 01:39:16,554 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 01:39:16,554 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 01:39:16,554 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-20 01:39:16,554 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-20 01:39:16,554 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-20 01:39:16,555 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-20 01:39:16,555 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a19~0)| 9))) (.cse3 (not (= 0 ~a12~0))) (.cse4 (not (= 14 ~a4~0))) (.cse2 (not (<= 8 |old(~a19~0)|))) (.cse1 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))) (.cse5 (not (<= |old(~a10~0)| 1)))) (and (or (not (= 2 |old(~a10~0)|)) .cse0 .cse1) (or (= 3 |old(~a10~0)|) .cse2 .cse0 .cse1) (or (not (<= |old(~a1~0)| 38)) .cse0 .cse1) (or .cse3 .cse4 .cse1 .cse5) (or (not (<= |old(~a10~0)| 0)) .cse1) (or .cse3 .cse4 (not (= 9 |old(~a19~0)|)) .cse1) (or .cse2 .cse1 .cse5))) [2020-07-20 01:39:16,555 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-20 01:39:16,555 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-20 01:39:16,555 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-20 01:39:16,555 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,555 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,556 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,556 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,556 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,556 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,556 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-20 01:39:16,556 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 01:39:16,556 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-20 01:39:16,556 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 01:39:16,556 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 01:39:16,556 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-20 01:39:16,556 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-20 01:39:16,556 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-20 01:39:16,556 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-20 01:39:16,556 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-20 01:39:16,556 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-20 01:39:16,557 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-20 01:39:16,557 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-20 01:39:16,557 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,557 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,557 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,557 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,557 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,557 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,557 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-20 01:39:16,557 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-20 01:39:16,558 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-20 01:39:16,558 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 01:39:16,558 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 01:39:16,558 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 01:39:16,558 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 01:39:16,558 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-20 01:39:16,558 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-20 01:39:16,558 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-20 01:39:16,559 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-20 01:39:16,559 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-20 01:39:16,559 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,559 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,559 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,559 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,559 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,559 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:16,560 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-20 01:39:16,560 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-20 01:39:16,560 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-20 01:39:16,560 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 01:39:16,560 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-20 01:39:16,560 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 01:39:16,560 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 01:39:16,560 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-20 01:39:16,560 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-20 01:39:16,561 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-20 01:39:16,561 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-20 01:39:16,561 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-20 01:39:16,561 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:39:16,561 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= 14 ~a4~0) (<= ~a19~0 9) (<= 8 ~a19~0) (= 0 ~a12~0) (<= ~a1~0 23) (<= 23 ~a1~0)) [2020-07-20 01:39:16,561 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:39:16,561 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:39:16,562 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (= 0 ~a12~0)) (not (<= 8 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))) [2020-07-20 01:39:16,562 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-20 01:39:16,562 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse3 (<= ~a19~0 8)) (.cse4 (not (= 3 ~a10~0))) (.cse0 (<= ~a1~0 38)) (.cse1 (= 9 |old(~a19~0)|)) (.cse2 (= ~a19~0 |old(~a19~0)|))) (or (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (and (<= ~a19~0 9) .cse0 .cse1) (and .cse1 .cse2) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and .cse3 (<= 8 ~a19~0) .cse1 .cse4) (and .cse3 .cse1 .cse4 (<= ~a10~0 3)) (not (<= 23 |old(~a1~0)|)) (and (<= ~a10~0 0) .cse0 .cse1) (not (= 0 ~a12~0)) (and (<= ~a10~0 1) (<= |old(~a10~0)| ~a10~0) .cse1) (not (<= 8 |old(~a19~0)|)) (and (= ~a10~0 |old(~a10~0)|) .cse2 (= ~a1~0 |old(~a1~0)|)))) [2020-07-20 01:39:16,562 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-20 01:39:16,562 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-20 01:39:16,563 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse3 (<= ~a19~0 8)) (.cse4 (not (= 3 ~a10~0))) (.cse0 (<= ~a1~0 38)) (.cse1 (= 9 |old(~a19~0)|)) (.cse2 (= ~a19~0 |old(~a19~0)|))) (or (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (and (<= ~a19~0 9) .cse0 .cse1) (and .cse1 .cse2) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and .cse3 (<= 8 ~a19~0) .cse1 .cse4) (and .cse3 .cse1 .cse4 (<= ~a10~0 3)) (not (<= 23 |old(~a1~0)|)) (and (<= ~a10~0 0) .cse0 .cse1) (not (= 0 ~a12~0)) (and (<= ~a10~0 1) (<= |old(~a10~0)| ~a10~0) .cse1) (not (<= 8 |old(~a19~0)|)) (and (= ~a10~0 |old(~a10~0)|) .cse2 (= ~a1~0 |old(~a1~0)|)))) [2020-07-20 01:39:16,563 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-20 01:39:16,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:39:16 BoogieIcfgContainer [2020-07-20 01:39:16,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:39:16,593 INFO L168 Benchmark]: Toolchain (without parser) took 30873.53 ms. Allocated memory was 144.2 MB in the beginning and 609.2 MB in the end (delta: 465.0 MB). Free memory was 100.7 MB in the beginning and 294.2 MB in the end (delta: -193.6 MB). Peak memory consumption was 484.2 MB. Max. memory is 7.1 GB. [2020-07-20 01:39:16,594 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory is still 120.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 01:39:16,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.91 ms. Allocated memory was 144.2 MB in the beginning and 203.9 MB in the end (delta: 59.8 MB). Free memory was 100.2 MB in the beginning and 170.2 MB in the end (delta: -69.9 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. [2020-07-20 01:39:16,596 INFO L168 Benchmark]: Boogie Preprocessor took 99.88 ms. Allocated memory is still 203.9 MB. Free memory was 170.2 MB in the beginning and 165.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-20 01:39:16,597 INFO L168 Benchmark]: RCFGBuilder took 1343.79 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 165.0 MB in the beginning and 181.0 MB in the end (delta: -16.0 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-07-20 01:39:16,598 INFO L168 Benchmark]: TraceAbstraction took 28663.96 ms. Allocated memory was 234.9 MB in the beginning and 609.2 MB in the end (delta: 374.3 MB). Free memory was 181.0 MB in the beginning and 294.2 MB in the end (delta: -113.2 MB). Peak memory consumption was 473.9 MB. Max. memory is 7.1 GB. [2020-07-20 01:39:16,605 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory is still 120.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 758.91 ms. Allocated memory was 144.2 MB in the beginning and 203.9 MB in the end (delta: 59.8 MB). Free memory was 100.2 MB in the beginning and 170.2 MB in the end (delta: -69.9 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.88 ms. Allocated memory is still 203.9 MB. Free memory was 170.2 MB in the beginning and 165.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1343.79 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 165.0 MB in the beginning and 181.0 MB in the end (delta: -16.0 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28663.96 ms. Allocated memory was 234.9 MB in the beginning and 609.2 MB in the end (delta: 374.3 MB). Free memory was 181.0 MB in the beginning and 294.2 MB in the end (delta: -113.2 MB). Peak memory consumption was 473.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 100]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((((((((((!(\old(a1) <= 23) || !(\old(a10) <= 0)) || ((a19 <= 9 && a1 <= 38) && 9 == \old(a19))) || (9 == \old(a19) && a19 == \old(a19))) || !(14 == a4)) || !(\old(a19) <= 9)) || (((a19 <= 8 && 8 <= a19) && 9 == \old(a19)) && !(3 == a10))) || (((a19 <= 8 && 9 == \old(a19)) && !(3 == a10)) && a10 <= 3)) || !(23 <= \old(a1))) || ((a10 <= 0 && a1 <= 38) && 9 == \old(a19))) || !(0 == a12)) || ((a10 <= 1 && \old(a10) <= a10) && 9 == \old(a19))) || !(8 <= \old(a19))) || ((a10 == \old(a10) && a19 == \old(a19)) && a1 == \old(a1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.0s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 19.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 308 SDtfs, 5158 SDslu, 437 SDs, 0 SdLazy, 10768 SolverSat, 2056 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1471 GetRequests, 1354 SyntacticMatches, 1 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2519occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 1991 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 105 PreInvPairs, 159 NumberOfFragments, 442 HoareAnnotationTreeSize, 105 FomulaSimplifications, 29132 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5513 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 2881 NumberOfCodeBlocks, 2881 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 2866 ConstructedInterpolants, 0 QuantifiedInterpolants, 1217267 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2300 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 1407/1566 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...