/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_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:38:12,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:38:12,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:38:12,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-20 01:38:12,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:38:12,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:38:12,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:38:12,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:38:12,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:38:12,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:38:12,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:38:12,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:38:12,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:38:12,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:38:12,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:38:12,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:38:12,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 01:38:12,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:38:12,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:38:12,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:38:12,733 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 01:38:12,750 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:38:12,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:38:12,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:38:12,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:38:12,753 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:38:12,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:38:12,754 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:38:12,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:38:12,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:38:12,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:38:12,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:38:12,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:38:12,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:38:12,755 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:38:12,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:38:12,756 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:38:12,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:38:12,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:38:12,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:38:12,757 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:38:12,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:38:12,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:38:12,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:38:12,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:38:12,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:38:12,758 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:38:12,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:38:12,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:38:12,758 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:38:12,759 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 01:38:13,066 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:38:13,083 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:38:13,087 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:38:13,089 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:38:13,089 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:38:13,090 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label30.c [2020-07-20 01:38:13,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10fd96309/c9c8c64e532b4b15a75857759d3674c3/FLAGba86861c8 [2020-07-20 01:38:13,868 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:38:13,869 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label30.c [2020-07-20 01:38:13,885 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10fd96309/c9c8c64e532b4b15a75857759d3674c3/FLAGba86861c8 [2020-07-20 01:38:14,063 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10fd96309/c9c8c64e532b4b15a75857759d3674c3 [2020-07-20 01:38:14,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:38:14,075 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:38:14,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:38:14,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:38:14,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:38:14,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:38:14" (1/1) ... [2020-07-20 01:38:14,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8af916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:14, skipping insertion in model container [2020-07-20 01:38:14,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:38:14" (1/1) ... [2020-07-20 01:38:14,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:38:14,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:38:14,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:38:14,672 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:38:14,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:38:15,014 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:38:15,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:15 WrapperNode [2020-07-20 01:38:15,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:38:15,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:38:15,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:38:15,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:38:15,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:15" (1/1) ... [2020-07-20 01:38:15,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:15" (1/1) ... [2020-07-20 01:38:15,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:15" (1/1) ... [2020-07-20 01:38:15,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:15" (1/1) ... [2020-07-20 01:38:15,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:15" (1/1) ... [2020-07-20 01:38:15,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:15" (1/1) ... [2020-07-20 01:38:15,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:15" (1/1) ... [2020-07-20 01:38:15,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:38:15,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:38:15,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:38:15,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:38:15,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:15" (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 01:38:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:38:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:38:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 01:38:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:38:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 01:38:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:38:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:38:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 01:38:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:38:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:38:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:38:16,624 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:38:16,624 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 01:38:16,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:38:16 BoogieIcfgContainer [2020-07-20 01:38:16,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:38:16,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:38:16,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:38:16,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:38:16,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:38:14" (1/3) ... [2020-07-20 01:38:16,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@437f6f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:38:16, skipping insertion in model container [2020-07-20 01:38:16,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:15" (2/3) ... [2020-07-20 01:38:16,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@437f6f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:38:16, skipping insertion in model container [2020-07-20 01:38:16,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:38:16" (3/3) ... [2020-07-20 01:38:16,643 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label30.c [2020-07-20 01:38:16,655 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:38:16,664 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:38:16,681 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:38:16,711 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:38:16,711 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:38:16,711 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:38:16,712 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:38:16,712 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:38:16,712 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:38:16,712 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:38:16,712 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:38:16,739 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-20 01:38:16,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-20 01:38:16,748 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:38:16,750 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:38:16,750 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:38:16,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:38:16,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1422134543, now seen corresponding path program 1 times [2020-07-20 01:38:16,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:38:16,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067769478] [2020-07-20 01:38:16,768 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7569980c [2020-07-20 01:38:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:17,205 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 01:38:17,207 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067769478] [2020-07-20 01:38:17,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:38:17,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:38:17,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788268479] [2020-07-20 01:38:17,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:38:17,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:38:17,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:38:17,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:38:17,252 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-07-20 01:38:19,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:38:19,792 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-07-20 01:38:19,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 01:38:19,795 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-07-20 01:38:19,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:38:19,817 INFO L225 Difference]: With dead ends: 730 [2020-07-20 01:38:19,818 INFO L226 Difference]: Without dead ends: 447 [2020-07-20 01:38:19,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:38:19,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-20 01:38:19,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-07-20 01:38:19,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-07-20 01:38:19,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-07-20 01:38:19,924 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 40 [2020-07-20 01:38:19,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:38:19,925 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-07-20 01:38:19,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:38:19,926 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-07-20 01:38:19,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-20 01:38:19,933 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:38:19,934 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:38:19,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:38:19,937 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:38:19,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:38:19,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1223819674, now seen corresponding path program 1 times [2020-07-20 01:38:19,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:38:19,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145701983] [2020-07-20 01:38:19,938 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7569980c [2020-07-20 01:38:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:20,347 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:38:20,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145701983] [2020-07-20 01:38:20,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:38:20,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:38:20,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097882806] [2020-07-20 01:38:20,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:38:20,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:38:20,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:38:20,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:38:20,353 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-07-20 01:38:22,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:38:22,667 INFO L93 Difference]: Finished difference Result 1490 states and 2350 transitions. [2020-07-20 01:38:22,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:38:22,668 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 122 [2020-07-20 01:38:22,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:38:22,678 INFO L225 Difference]: With dead ends: 1490 [2020-07-20 01:38:22,678 INFO L226 Difference]: Without dead ends: 1055 [2020-07-20 01:38:22,681 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-07-20 01:38:22,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-07-20 01:38:22,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 745. [2020-07-20 01:38:22,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-07-20 01:38:22,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1066 transitions. [2020-07-20 01:38:22,746 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1066 transitions. Word has length 122 [2020-07-20 01:38:22,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:38:22,747 INFO L479 AbstractCegarLoop]: Abstraction has 745 states and 1066 transitions. [2020-07-20 01:38:22,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:38:22,747 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1066 transitions. [2020-07-20 01:38:22,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-07-20 01:38:22,757 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:38:22,758 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:38:22,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:38:22,758 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:38:22,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:38:22,759 INFO L82 PathProgramCache]: Analyzing trace with hash 52272842, now seen corresponding path program 1 times [2020-07-20 01:38:22,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:38:22,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161305844] [2020-07-20 01:38:22,760 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7569980c [2020-07-20 01:38:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:23,163 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:38:23,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161305844] [2020-07-20 01:38:23,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:38:23,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:38:23,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104952352] [2020-07-20 01:38:23,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:38:23,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:38:23,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:38:23,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:38:23,172 INFO L87 Difference]: Start difference. First operand 745 states and 1066 transitions. Second operand 8 states. [2020-07-20 01:38:25,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:38:25,023 INFO L93 Difference]: Finished difference Result 1822 states and 2689 transitions. [2020-07-20 01:38:25,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 01:38:25,023 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2020-07-20 01:38:25,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:38:25,032 INFO L225 Difference]: With dead ends: 1822 [2020-07-20 01:38:25,033 INFO L226 Difference]: Without dead ends: 1083 [2020-07-20 01:38:25,036 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 01:38:25,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-07-20 01:38:25,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1055. [2020-07-20 01:38:25,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2020-07-20 01:38:25,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1377 transitions. [2020-07-20 01:38:25,093 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1377 transitions. Word has length 162 [2020-07-20 01:38:25,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:38:25,094 INFO L479 AbstractCegarLoop]: Abstraction has 1055 states and 1377 transitions. [2020-07-20 01:38:25,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:38:25,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1377 transitions. [2020-07-20 01:38:25,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-07-20 01:38:25,102 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:38:25,102 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:38:25,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:38:25,103 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:38:25,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:38:25,104 INFO L82 PathProgramCache]: Analyzing trace with hash -910777059, now seen corresponding path program 1 times [2020-07-20 01:38:25,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:38:25,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886991493] [2020-07-20 01:38:25,105 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7569980c [2020-07-20 01:38:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:25,495 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:38:25,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886991493] [2020-07-20 01:38:25,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068424782] [2020-07-20 01:38:25,497 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@749866a0 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:38:25,728 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@749866a0 issued 4 check-sat command(s) [2020-07-20 01:38:25,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:38:25,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:38:25,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:38:25,929 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:38:25,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:38:25,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-20 01:38:25,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678134902] [2020-07-20 01:38:25,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 01:38:25,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:38:25,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 01:38:25,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:38:25,933 INFO L87 Difference]: Start difference. First operand 1055 states and 1377 transitions. Second operand 10 states. [2020-07-20 01:38:28,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:38:28,412 INFO L93 Difference]: Finished difference Result 2871 states and 3866 transitions. [2020-07-20 01:38:28,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-20 01:38:28,413 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 208 [2020-07-20 01:38:28,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:38:28,426 INFO L225 Difference]: With dead ends: 2871 [2020-07-20 01:38:28,427 INFO L226 Difference]: Without dead ends: 1822 [2020-07-20 01:38:28,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2020-07-20 01:38:28,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2020-07-20 01:38:28,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1504. [2020-07-20 01:38:28,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1504 states. [2020-07-20 01:38:28,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1504 states and 1887 transitions. [2020-07-20 01:38:28,511 INFO L78 Accepts]: Start accepts. Automaton has 1504 states and 1887 transitions. Word has length 208 [2020-07-20 01:38:28,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:38:28,513 INFO L479 AbstractCegarLoop]: Abstraction has 1504 states and 1887 transitions. [2020-07-20 01:38:28,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 01:38:28,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 1887 transitions. [2020-07-20 01:38:28,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-07-20 01:38:28,519 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:38:28,519 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:38:28,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:38:28,735 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:38:28,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:38:28,735 INFO L82 PathProgramCache]: Analyzing trace with hash 2063499112, now seen corresponding path program 1 times [2020-07-20 01:38:28,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:38:28,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772051410] [2020-07-20 01:38:28,736 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7569980c [2020-07-20 01:38:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:29,085 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 66 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 01:38:29,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772051410] [2020-07-20 01:38:29,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697427703] [2020-07-20 01:38:29,087 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2a0fe944 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 01:38:29,313 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2a0fe944 issued 4 check-sat command(s) [2020-07-20 01:38:29,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:38:29,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:38:29,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:38:29,388 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-20 01:38:29,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:38:29,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-20 01:38:29,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043596751] [2020-07-20 01:38:29,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:38:29,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:38:29,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:38:29,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:38:29,391 INFO L87 Difference]: Start difference. First operand 1504 states and 1887 transitions. Second operand 3 states. [2020-07-20 01:38:30,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:38:30,085 INFO L93 Difference]: Finished difference Result 3002 states and 3772 transitions. [2020-07-20 01:38:30,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:38:30,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2020-07-20 01:38:30,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:38:30,101 INFO L225 Difference]: With dead ends: 3002 [2020-07-20 01:38:30,102 INFO L226 Difference]: Without dead ends: 1504 [2020-07-20 01:38:30,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:38:30,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2020-07-20 01:38:30,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1361. [2020-07-20 01:38:30,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1361 states. [2020-07-20 01:38:30,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 1663 transitions. [2020-07-20 01:38:30,205 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 1663 transitions. Word has length 209 [2020-07-20 01:38:30,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:38:30,206 INFO L479 AbstractCegarLoop]: Abstraction has 1361 states and 1663 transitions. [2020-07-20 01:38:30,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:38:30,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1663 transitions. [2020-07-20 01:38:30,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-07-20 01:38:30,211 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:38:30,211 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 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 01:38:30,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:38:30,416 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:38:30,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:38:30,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1055956540, now seen corresponding path program 1 times [2020-07-20 01:38:30,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:38:30,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831594553] [2020-07-20 01:38:30,419 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7569980c [2020-07-20 01:38:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:30,742 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 66 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 01:38:30,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831594553] [2020-07-20 01:38:30,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173613952] [2020-07-20 01:38:30,744 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@414959f4 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:38:30,909 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@414959f4 issued 4 check-sat command(s) [2020-07-20 01:38:30,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:38:30,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 01:38:30,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:38:30,970 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 01:38:31,029 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-07-20 01:38:31,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:38:31,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2020-07-20 01:38:31,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986923381] [2020-07-20 01:38:31,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:38:31,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:38:31,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:38:31,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:38:31,033 INFO L87 Difference]: Start difference. First operand 1361 states and 1663 transitions. Second operand 5 states. [2020-07-20 01:38:32,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:38:32,447 INFO L93 Difference]: Finished difference Result 2889 states and 3525 transitions. [2020-07-20 01:38:32,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 01:38:32,449 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 215 [2020-07-20 01:38:32,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:38:32,457 INFO L225 Difference]: With dead ends: 2889 [2020-07-20 01:38:32,457 INFO L226 Difference]: Without dead ends: 1534 [2020-07-20 01:38:32,465 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 217 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:38:32,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2020-07-20 01:38:32,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1363. [2020-07-20 01:38:32,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1363 states. [2020-07-20 01:38:32,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1637 transitions. [2020-07-20 01:38:32,513 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1637 transitions. Word has length 215 [2020-07-20 01:38:32,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:38:32,514 INFO L479 AbstractCegarLoop]: Abstraction has 1363 states and 1637 transitions. [2020-07-20 01:38:32,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:38:32,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1637 transitions. [2020-07-20 01:38:32,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-07-20 01:38:32,524 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:38:32,524 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-20 01:38:32,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:38:32,739 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:38:32,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:38:32,740 INFO L82 PathProgramCache]: Analyzing trace with hash 2133941150, now seen corresponding path program 1 times [2020-07-20 01:38:32,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:38:32,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334098146] [2020-07-20 01:38:32,741 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7569980c [2020-07-20 01:38:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:33,218 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 107 proven. 218 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-20 01:38:33,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334098146] [2020-07-20 01:38:33,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810845514] [2020-07-20 01:38:33,220 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5db2d0f 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 01:38:33,482 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5db2d0f issued 4 check-sat command(s) [2020-07-20 01:38:33,482 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:38:33,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:38:33,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:38:33,623 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 296 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-07-20 01:38:33,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:38:33,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2020-07-20 01:38:33,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694107474] [2020-07-20 01:38:33,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-20 01:38:33,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:38:33,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-20 01:38:33,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-07-20 01:38:33,627 INFO L87 Difference]: Start difference. First operand 1363 states and 1637 transitions. Second operand 13 states. [2020-07-20 01:38:39,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:38:39,419 INFO L93 Difference]: Finished difference Result 5357 states and 6700 transitions. [2020-07-20 01:38:39,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-20 01:38:39,420 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 294 [2020-07-20 01:38:39,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:38:39,435 INFO L225 Difference]: With dead ends: 5357 [2020-07-20 01:38:39,435 INFO L226 Difference]: Without dead ends: 2797 [2020-07-20 01:38:39,443 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=275, Invalid=1057, Unknown=0, NotChecked=0, Total=1332 [2020-07-20 01:38:39,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2020-07-20 01:38:39,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 1347. [2020-07-20 01:38:39,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1347 states. [2020-07-20 01:38:39,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1564 transitions. [2020-07-20 01:38:39,506 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1564 transitions. Word has length 294 [2020-07-20 01:38:39,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:38:39,506 INFO L479 AbstractCegarLoop]: Abstraction has 1347 states and 1564 transitions. [2020-07-20 01:38:39,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-20 01:38:39,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1564 transitions. [2020-07-20 01:38:39,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-07-20 01:38:39,513 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:38:39,514 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:38:39,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:38:39,719 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:38:39,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:38:39,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1060741542, now seen corresponding path program 1 times [2020-07-20 01:38:39,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:38:39,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666953900] [2020-07-20 01:38:39,721 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7569980c [2020-07-20 01:38:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:38:40,431 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 174 proven. 170 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-20 01:38:40,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666953900] [2020-07-20 01:38:40,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039788452] [2020-07-20 01:38:40,432 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@d847c91 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:38:40,604 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@d847c91 issued 4 check-sat command(s) [2020-07-20 01:38:40,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:38:40,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-20 01:38:40,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:38:40,652 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:38:40,654 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 01:38:40,656 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 01:38:40,658 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 01:38:40,659 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 01:38:40,661 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 01:38:40,664 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 01:38:40,667 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 01:38:40,670 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 01:38:40,672 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 01:38:40,673 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 01:38:40,675 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 01:38:40,677 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 01:38:40,680 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 01:38:40,682 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 01:38:40,684 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 01:38:40,685 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 01:38:40,687 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 01:38:40,693 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 01:38:40,694 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 01:38:40,696 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 01:38:40,701 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 01:38:40,703 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 01:38:40,705 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 01:38:40,707 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 01:38:40,711 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 01:39:01,715 WARN L193 SmtUtils]: Spent 18.28 s on a formula simplification. DAG size of input: 64 DAG size of output: 35 [2020-07-20 01:39:01,797 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-20 01:39:01,955 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 01:39:01,955 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:39:01,958 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:39:02,003 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:39:02,198 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 315 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-07-20 01:39:02,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:39:02,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2020-07-20 01:39:02,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770075463] [2020-07-20 01:39:02,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-20 01:39:02,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:39:02,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-20 01:39:02,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=219, Unknown=1, NotChecked=0, Total=272 [2020-07-20 01:39:02,201 INFO L87 Difference]: Start difference. First operand 1347 states and 1564 transitions. Second operand 17 states. [2020-07-20 01:39:03,454 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-07-20 01:39:32,575 WARN L193 SmtUtils]: Spent 26.12 s on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-07-20 01:39:35,616 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-07-20 01:39:36,341 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-07-20 01:39:38,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:39:38,186 INFO L93 Difference]: Finished difference Result 4021 states and 4868 transitions. [2020-07-20 01:39:38,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-20 01:39:38,188 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 330 [2020-07-20 01:39:38,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:39:38,203 INFO L225 Difference]: With dead ends: 4021 [2020-07-20 01:39:38,204 INFO L226 Difference]: Without dead ends: 2823 [2020-07-20 01:39:38,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 346 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 51.3s TimeCoverageRelationStatistics Valid=305, Invalid=1254, Unknown=1, NotChecked=0, Total=1560 [2020-07-20 01:39:38,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2823 states. [2020-07-20 01:39:38,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2823 to 2664. [2020-07-20 01:39:38,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2664 states. [2020-07-20 01:39:38,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2664 states and 3132 transitions. [2020-07-20 01:39:38,286 INFO L78 Accepts]: Start accepts. Automaton has 2664 states and 3132 transitions. Word has length 330 [2020-07-20 01:39:38,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:39:38,287 INFO L479 AbstractCegarLoop]: Abstraction has 2664 states and 3132 transitions. [2020-07-20 01:39:38,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-20 01:39:38,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 3132 transitions. [2020-07-20 01:39:38,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-07-20 01:39:38,298 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:39:38,299 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:39:38,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:39:38,515 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:39:38,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:39:38,515 INFO L82 PathProgramCache]: Analyzing trace with hash -924465415, now seen corresponding path program 1 times [2020-07-20 01:39:38,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:39:38,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092543824] [2020-07-20 01:39:38,516 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7569980c [2020-07-20 01:39:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:39:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:39:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:39:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:39:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:39:39,007 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 102 proven. 3 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-07-20 01:39:39,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092543824] [2020-07-20 01:39:39,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247057794] [2020-07-20 01:39:39,010 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7388a959 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 01:39:39,216 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7388a959 issued 4 check-sat command(s) [2020-07-20 01:39:39,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:39:39,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 01:39:39,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:39:39,253 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:39:39,254 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 01:39:39,255 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 01:39:39,256 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 01:39:39,257 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 01:39:39,343 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-07-20 01:39:39,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:39:39,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-07-20 01:39:39,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86281057] [2020-07-20 01:39:39,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:39:39,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:39:39,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:39:39,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:39:39,346 INFO L87 Difference]: Start difference. First operand 2664 states and 3132 transitions. Second operand 3 states. [2020-07-20 01:39:40,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:39:40,481 INFO L93 Difference]: Finished difference Result 6041 states and 7282 transitions. [2020-07-20 01:39:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:39:40,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 349 [2020-07-20 01:39:40,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:39:40,483 INFO L225 Difference]: With dead ends: 6041 [2020-07-20 01:39:40,483 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:39:40,495 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 357 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:39:40,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:39:40,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:39:40,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:39:40,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:39:40,496 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 349 [2020-07-20 01:39:40,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:39:40,497 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:39:40,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:39:40,497 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:39:40,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:39:40,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:39:40,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:39:41,439 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 175 [2020-07-20 01:39:41,646 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 175 [2020-07-20 01:39:41,805 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 31 [2020-07-20 01:39:43,242 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 278 DAG size of output: 34 [2020-07-20 01:39:44,158 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 53 [2020-07-20 01:39:45,013 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 53 [2020-07-20 01:39:45,019 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:39:45,020 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 01:39:45,020 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:39:45,020 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-20 01:39:45,020 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,020 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,020 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,021 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,021 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,021 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,021 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-20 01:39:45,021 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-20 01:39:45,021 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 01:39:45,021 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-20 01:39:45,021 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 01:39:45,021 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-20 01:39:45,021 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-20 01:39:45,022 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-20 01:39:45,022 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-20 01:39:45,022 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-20 01:39:45,022 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-20 01:39:45,022 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,022 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,022 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,022 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,022 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,023 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-20 01:39:45,023 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-20 01:39:45,023 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-20 01:39:45,023 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-20 01:39:45,023 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-20 01:39:45,023 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 01:39:45,024 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-20 01:39:45,024 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-20 01:39:45,024 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-20 01:39:45,024 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-20 01:39:45,024 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-20 01:39:45,024 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-20 01:39:45,024 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-20 01:39:45,025 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2020-07-20 01:39:45,025 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-20 01:39:45,025 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,025 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,025 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,025 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,025 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,025 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-20 01:39:45,026 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 01:39:45,026 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 01:39:45,026 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-20 01:39:45,026 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-20 01:39:45,026 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-20 01:39:45,026 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-20 01:39:45,026 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-20 01:39:45,026 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-20 01:39:45,027 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-20 01:39:45,027 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,027 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,027 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,027 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,027 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,027 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-20 01:39:45,027 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-20 01:39:45,028 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-20 01:39:45,028 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-20 01:39:45,028 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 01:39:45,028 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-20 01:39:45,028 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-20 01:39:45,028 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-20 01:39:45,028 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-20 01:39:45,028 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-20 01:39:45,028 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-20 01:39:45,029 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-20 01:39:45,029 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-20 01:39:45,029 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,029 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,029 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,029 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,030 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,030 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 01:39:45,030 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-20 01:39:45,030 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 01:39:45,030 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 01:39:45,030 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-20 01:39:45,030 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-20 01:39:45,030 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-20 01:39:45,031 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-20 01:39:45,031 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-20 01:39:45,031 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,031 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,031 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,031 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,031 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,031 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,031 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,032 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-20 01:39:45,032 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-20 01:39:45,032 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-20 01:39:45,032 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-20 01:39:45,032 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 01:39:45,032 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-20 01:39:45,032 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 01:39:45,032 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 01:39:45,033 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-20 01:39:45,033 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-20 01:39:45,033 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-20 01:39:45,033 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-20 01:39:45,033 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-20 01:39:45,033 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,033 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,034 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,034 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,034 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-20 01:39:45,034 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,034 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,034 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-20 01:39:45,034 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-20 01:39:45,035 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-20 01:39:45,035 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 01:39:45,035 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 01:39:45,035 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 01:39:45,035 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 01:39:45,035 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-20 01:39:45,036 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-20 01:39:45,036 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-20 01:39:45,036 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-20 01:39:45,036 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-20 01:39:45,036 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-20 01:39:45,036 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,036 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,037 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,037 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,037 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,037 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,037 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-20 01:39:45,037 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-20 01:39:45,037 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-20 01:39:45,037 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 01:39:45,038 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 01:39:45,038 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 01:39:45,038 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 01:39:45,038 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-20 01:39:45,038 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-20 01:39:45,038 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-20 01:39:45,038 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-20 01:39:45,039 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a19~0)| 8))) (.cse0 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)))) (and (or (not (= 9 |old(~a19~0)|)) .cse0) (or (= 7 |old(~a19~0)|) .cse1 .cse0) (or .cse0 (not (<= |old(~a10~0)| 1))) (or (not (<= |old(~a1~0)| 206)) .cse1 (not (= 2 |old(~a10~0)|)) .cse0))) [2020-07-20 01:39:45,039 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-20 01:39:45,039 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-20 01:39:45,039 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-20 01:39:45,039 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,039 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,039 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,040 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,040 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,040 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,040 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-20 01:39:45,040 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 01:39:45,040 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-20 01:39:45,040 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 01:39:45,040 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 01:39:45,041 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-20 01:39:45,041 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-20 01:39:45,041 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-20 01:39:45,041 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-20 01:39:45,041 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-20 01:39:45,041 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-20 01:39:45,041 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-20 01:39:45,041 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-20 01:39:45,042 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,042 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,042 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,042 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,042 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,042 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,042 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-20 01:39:45,042 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-20 01:39:45,043 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-20 01:39:45,043 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 01:39:45,043 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 01:39:45,043 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 01:39:45,043 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 01:39:45,043 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-20 01:39:45,043 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-20 01:39:45,044 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-20 01:39:45,044 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-20 01:39:45,044 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-20 01:39:45,044 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,044 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,044 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,044 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,044 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,044 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 01:39:45,045 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-20 01:39:45,045 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-20 01:39:45,045 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-20 01:39:45,045 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 01:39:45,045 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-20 01:39:45,045 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 01:39:45,045 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 01:39:45,046 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-20 01:39:45,046 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-20 01:39:45,046 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-20 01:39:45,046 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-20 01:39:45,046 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-20 01:39:45,046 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:39:45,046 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= 14 ~a4~0) (<= ~a19~0 9) (<= 9 ~a19~0) (= 0 ~a12~0) (<= ~a1~0 23) (<= 23 ~a1~0)) [2020-07-20 01:39:45,046 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:39:45,047 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:39:45,047 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (= 0 ~a12~0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))) [2020-07-20 01:39:45,047 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-20 01:39:45,047 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 8)) (.cse0 (<= ~a10~0 1)) (.cse2 (or (= 0 |old(~a10~0)|) (<= (+ |old(~a1~0)| 13) 0))) (.cse3 (= ~a19~0 |old(~a19~0)|))) (or (and .cse0 .cse1) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and .cse1 (not (= 7 ~a19~0))) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (<= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (and .cse2 .cse3) (and (= 2 ~a10~0) .cse2 .cse1 (<= ~a1~0 206)) (and .cse0 .cse2) (and (= ~a10~0 |old(~a10~0)|) .cse3 (= ~a1~0 |old(~a1~0)|)))) [2020-07-20 01:39:45,047 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-20 01:39:45,047 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-20 01:39:45,048 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 8)) (.cse0 (<= ~a10~0 1)) (.cse2 (or (= 0 |old(~a10~0)|) (<= (+ |old(~a1~0)| 13) 0))) (.cse3 (= ~a19~0 |old(~a19~0)|))) (or (and .cse0 .cse1) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and .cse1 (not (= 7 ~a19~0))) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (<= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (and .cse2 .cse3) (and (= 2 ~a10~0) .cse2 .cse1 (<= ~a1~0 206)) (and .cse0 .cse2) (and (= ~a10~0 |old(~a10~0)|) .cse3 (= ~a1~0 |old(~a1~0)|)))) [2020-07-20 01:39:45,048 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-20 01:39:45,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:39:45 BoogieIcfgContainer [2020-07-20 01:39:45,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:39:45,074 INFO L168 Benchmark]: Toolchain (without parser) took 91000.40 ms. Allocated memory was 144.7 MB in the beginning and 605.0 MB in the end (delta: 460.3 MB). Free memory was 100.1 MB in the beginning and 453.1 MB in the end (delta: -353.1 MB). Peak memory consumption was 478.0 MB. Max. memory is 7.1 GB. [2020-07-20 01:39:45,075 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 144.7 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 01:39:45,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 939.24 ms. Allocated memory was 144.7 MB in the beginning and 205.0 MB in the end (delta: 60.3 MB). Free memory was 99.7 MB in the beginning and 172.1 MB in the end (delta: -72.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. [2020-07-20 01:39:45,077 INFO L168 Benchmark]: Boogie Preprocessor took 111.38 ms. Allocated memory is still 205.0 MB. Free memory was 172.1 MB in the beginning and 167.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-20 01:39:45,078 INFO L168 Benchmark]: RCFGBuilder took 1504.26 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 167.2 MB in the beginning and 182.5 MB in the end (delta: -15.3 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-07-20 01:39:45,079 INFO L168 Benchmark]: TraceAbstraction took 88438.67 ms. Allocated memory was 237.0 MB in the beginning and 605.0 MB in the end (delta: 368.1 MB). Free memory was 182.5 MB in the beginning and 453.1 MB in the end (delta: -270.7 MB). Peak memory consumption was 468.1 MB. Max. memory is 7.1 GB. [2020-07-20 01:39:45,082 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 144.7 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 939.24 ms. Allocated memory was 144.7 MB in the beginning and 205.0 MB in the end (delta: 60.3 MB). Free memory was 99.7 MB in the beginning and 172.1 MB in the end (delta: -72.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.38 ms. Allocated memory is still 205.0 MB. Free memory was 172.1 MB in the beginning and 167.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1504.26 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 167.2 MB in the beginning and 182.5 MB in the end (delta: -15.3 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 88438.67 ms. Allocated memory was 237.0 MB in the beginning and 605.0 MB in the end (delta: 368.1 MB). Free memory was 182.5 MB in the beginning and 453.1 MB in the end (delta: -270.7 MB). Peak memory consumption was 468.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((((((((((a10 <= 1 && a19 <= 8) || !(\old(a1) <= 23)) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (a19 <= 8 && !(7 == a19))) || !(14 == a4)) || !(\old(a19) <= 9)) || !(23 <= \old(a1))) || !(0 == a12)) || ((0 == \old(a10) || \old(a1) + 13 <= 0) && a19 == \old(a19))) || (((2 == a10 && (0 == \old(a10) || \old(a1) + 13 <= 0)) && a19 <= 8) && a1 <= 206)) || (a10 <= 1 && (0 == \old(a10) || \old(a1) + 13 <= 0))) || ((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: 84.0s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 54.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 326 SDtfs, 5869 SDslu, 526 SDs, 0 SdLazy, 13309 SolverSat, 2220 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1816 GetRequests, 1672 SyntacticMatches, 3 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805 ImplicationChecksByTransitivity, 53.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2664occurred 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: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 2585 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 109 PreInvPairs, 179 NumberOfFragments, 363 HoareAnnotationTreeSize, 109 FomulaSimplifications, 53876 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 17543 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 24.8s InterpolantComputationTime, 3534 NumberOfCodeBlocks, 3534 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 3519 ConstructedInterpolants, 6 QuantifiedInterpolants, 2126224 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2756 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 2440/2988 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...