/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 11:27:56,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 11:27:56,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 11:27:56,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 11:27:56,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 11:27:56,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 11:27:56,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 11:27:56,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 11:27:56,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 11:27:56,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 11:27:56,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 11:27:56,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 11:27:56,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 11:27:56,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 11:27:56,817 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 11:27:56,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 11:27:56,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 11:27:56,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 11:27:56,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 11:27:56,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 11:27:56,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 11:27:56,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 11:27:56,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 11:27:56,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 11:27:56,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 11:27:56,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 11:27:56,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 11:27:56,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 11:27:56,854 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 [2020-07-07 11:27:56,886 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 11:27:56,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 11:27:56,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 11:27:56,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 11:27:56,891 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 11:27:56,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 11:27:56,892 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 11:27:56,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 11:27:56,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 11:27:56,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 11:27:56,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 11:27:56,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 11:27:56,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 11:27:56,895 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 11:27:56,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 11:27:56,896 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 11:27:56,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 11:27:56,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 11:27:56,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 11:27:56,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 11:27:56,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 11:27:56,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:27:56,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 11:27:56,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 11:27:56,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 11:27:56,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 11:27:56,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 11:27:56,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 11:27:56,899 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 11:27:56,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 11:27:57,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 11:27:57,204 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 11:27:57,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 11:27:57,209 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 11:27:57,209 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 11:27:57,210 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-07-07 11:27:57,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e209a9ad3/e7d5a8f4f8524baa92e5b7ec45b32f0d/FLAGcb313e28e [2020-07-07 11:27:57,896 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 11:27:57,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-07-07 11:27:57,912 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e209a9ad3/e7d5a8f4f8524baa92e5b7ec45b32f0d/FLAGcb313e28e [2020-07-07 11:27:58,134 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e209a9ad3/e7d5a8f4f8524baa92e5b7ec45b32f0d [2020-07-07 11:27:58,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 11:27:58,148 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 11:27:58,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 11:27:58,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 11:27:58,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 11:27:58,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:27:58" (1/1) ... [2020-07-07 11:27:58,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@162de3d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:58, skipping insertion in model container [2020-07-07 11:27:58,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:27:58" (1/1) ... [2020-07-07 11:27:58,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 11:27:58,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 11:27:58,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:27:58,630 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 11:27:58,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:27:58,931 INFO L208 MainTranslator]: Completed translation [2020-07-07 11:27:58,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:58 WrapperNode [2020-07-07 11:27:58,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 11:27:58,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 11:27:58,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 11:27:58,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 11:27:58,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:58" (1/1) ... [2020-07-07 11:27:58,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:58" (1/1) ... [2020-07-07 11:27:58,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:58" (1/1) ... [2020-07-07 11:27:58,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:58" (1/1) ... [2020-07-07 11:27:58,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:58" (1/1) ... [2020-07-07 11:27:59,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:58" (1/1) ... [2020-07-07 11:27:59,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:58" (1/1) ... [2020-07-07 11:27:59,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 11:27:59,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 11:27:59,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 11:27:59,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 11:27:59,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:58" (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 [2020-07-07 11:27:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 11:27:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 11:27:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-07 11:27:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 11:27:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-07 11:27:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 11:27:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 11:27:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-07 11:27:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 11:27:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 11:27:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 11:28:00,387 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 11:28:00,388 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 11:28:00,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:28:00 BoogieIcfgContainer [2020-07-07 11:28:00,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 11:28:00,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 11:28:00,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 11:28:00,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 11:28:00,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 11:27:58" (1/3) ... [2020-07-07 11:28:00,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c887a0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:28:00, skipping insertion in model container [2020-07-07 11:28:00,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:58" (2/3) ... [2020-07-07 11:28:00,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c887a0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:28:00, skipping insertion in model container [2020-07-07 11:28:00,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:28:00" (3/3) ... [2020-07-07 11:28:00,403 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label43.c [2020-07-07 11:28:00,414 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 11:28:00,423 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 11:28:00,436 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 11:28:00,462 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 11:28:00,463 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 11:28:00,463 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 11:28:00,463 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 11:28:00,463 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 11:28:00,463 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 11:28:00,464 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 11:28:00,464 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 11:28:00,487 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-07 11:28:00,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-07 11:28:00,495 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:28:00,496 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:28:00,496 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:28:00,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:28:00,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1136502142, now seen corresponding path program 1 times [2020-07-07 11:28:00,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:28:00,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306960463] [2020-07-07 11:28:00,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:28:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:00,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:28:00,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306960463] [2020-07-07 11:28:00,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:28:00,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 11:28:00,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556400046] [2020-07-07 11:28:00,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:28:00,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:28:00,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:28:00,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:28:00,886 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-07-07 11:28:03,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:28:03,234 INFO L93 Difference]: Finished difference Result 730 states and 1300 transitions. [2020-07-07 11:28:03,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 11:28:03,236 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-07-07 11:28:03,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:28:03,256 INFO L225 Difference]: With dead ends: 730 [2020-07-07 11:28:03,256 INFO L226 Difference]: Without dead ends: 447 [2020-07-07 11:28:03,264 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 [2020-07-07 11:28:03,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-07 11:28:03,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-07-07 11:28:03,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-07-07 11:28:03,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 595 transitions. [2020-07-07 11:28:03,352 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 595 transitions. Word has length 41 [2020-07-07 11:28:03,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:28:03,353 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 595 transitions. [2020-07-07 11:28:03,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:28:03,353 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 595 transitions. [2020-07-07 11:28:03,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-07 11:28:03,359 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:28:03,360 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, 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] [2020-07-07 11:28:03,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 11:28:03,361 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:28:03,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:28:03,361 INFO L82 PathProgramCache]: Analyzing trace with hash -430353343, now seen corresponding path program 1 times [2020-07-07 11:28:03,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:28:03,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44207979] [2020-07-07 11:28:03,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:28:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:03,942 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:28:03,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44207979] [2020-07-07 11:28:03,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734935319] [2020-07-07 11:28:03,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-07 11:28:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:04,024 INFO L264 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-07 11:28:04,034 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:28:04,111 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-07 11:28:04,113 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-07 11:28:09,695 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 25 [2020-07-07 11:28:09,778 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-07 11:28:09,978 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:28:09,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:28:09,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 13 [2020-07-07 11:28:09,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153941710] [2020-07-07 11:28:09,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-07 11:28:09,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:28:09,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-07 11:28:09,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=118, Unknown=1, NotChecked=0, Total=156 [2020-07-07 11:28:09,982 INFO L87 Difference]: Start difference. First operand 443 states and 595 transitions. Second operand 13 states. [2020-07-07 11:28:18,711 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-07-07 11:28:36,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:28:36,075 INFO L93 Difference]: Finished difference Result 1850 states and 2642 transitions. [2020-07-07 11:28:36,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-07 11:28:36,077 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 120 [2020-07-07 11:28:36,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:28:36,091 INFO L225 Difference]: With dead ends: 1850 [2020-07-07 11:28:36,091 INFO L226 Difference]: Without dead ends: 1363 [2020-07-07 11:28:36,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 119 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=160, Invalid=439, Unknown=1, NotChecked=0, Total=600 [2020-07-07 11:28:36,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2020-07-07 11:28:36,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1184. [2020-07-07 11:28:36,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1184 states. [2020-07-07 11:28:36,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1588 transitions. [2020-07-07 11:28:36,205 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1588 transitions. Word has length 120 [2020-07-07 11:28:36,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:28:36,206 INFO L479 AbstractCegarLoop]: Abstraction has 1184 states and 1588 transitions. [2020-07-07 11:28:36,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-07 11:28:36,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1588 transitions. [2020-07-07 11:28:36,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-07 11:28:36,216 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:28:36,217 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:28:36,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-07 11:28:36,418 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:28:36,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:28:36,419 INFO L82 PathProgramCache]: Analyzing trace with hash -425157170, now seen corresponding path program 1 times [2020-07-07 11:28:36,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:28:36,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616173778] [2020-07-07 11:28:36,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:28:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:36,828 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:28:36,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616173778] [2020-07-07 11:28:36,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747491011] [2020-07-07 11:28:36,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-07 11:28:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:36,921 INFO L264 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:28:36,945 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:28:37,014 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 136 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:28:37,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:28:37,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-07 11:28:37,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383534542] [2020-07-07 11:28:37,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 11:28:37,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:28:37,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 11:28:37,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:28:37,018 INFO L87 Difference]: Start difference. First operand 1184 states and 1588 transitions. Second operand 11 states. [2020-07-07 11:28:39,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:28:39,678 INFO L93 Difference]: Finished difference Result 3141 states and 4362 transitions. [2020-07-07 11:28:39,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 11:28:39,679 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 193 [2020-07-07 11:28:39,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:28:39,704 INFO L225 Difference]: With dead ends: 3141 [2020-07-07 11:28:39,706 INFO L226 Difference]: Without dead ends: 1963 [2020-07-07 11:28:39,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2020-07-07 11:28:39,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1963 states. [2020-07-07 11:28:39,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1963 to 1929. [2020-07-07 11:28:39,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1929 states. [2020-07-07 11:28:39,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1929 states and 2510 transitions. [2020-07-07 11:28:39,816 INFO L78 Accepts]: Start accepts. Automaton has 1929 states and 2510 transitions. Word has length 193 [2020-07-07 11:28:39,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:28:39,818 INFO L479 AbstractCegarLoop]: Abstraction has 1929 states and 2510 transitions. [2020-07-07 11:28:39,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 11:28:39,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 2510 transitions. [2020-07-07 11:28:39,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-07-07 11:28:39,826 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:28:39,826 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:28:40,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:28:40,041 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:28:40,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:28:40,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1437439845, now seen corresponding path program 1 times [2020-07-07 11:28:40,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:28:40,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104414077] [2020-07-07 11:28:40,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:28:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:40,334 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 68 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 11:28:40,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104414077] [2020-07-07 11:28:40,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407990589] [2020-07-07 11:28:40,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-07 11:28:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:40,458 INFO L264 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:28:40,464 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:28:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-07 11:28:40,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:28:40,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-07 11:28:40,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618715925] [2020-07-07 11:28:40,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:28:40,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:28:40,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:28:40,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 11:28:40,521 INFO L87 Difference]: Start difference. First operand 1929 states and 2510 transitions. Second operand 3 states. [2020-07-07 11:28:41,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:28:41,432 INFO L93 Difference]: Finished difference Result 4865 states and 6430 transitions. [2020-07-07 11:28:41,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:28:41,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2020-07-07 11:28:41,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:28:41,450 INFO L225 Difference]: With dead ends: 4865 [2020-07-07 11:28:41,451 INFO L226 Difference]: Without dead ends: 1925 [2020-07-07 11:28:41,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 213 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 11:28:41,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2020-07-07 11:28:41,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1925. [2020-07-07 11:28:41,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1925 states. [2020-07-07 11:28:41,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1925 states and 2477 transitions. [2020-07-07 11:28:41,531 INFO L78 Accepts]: Start accepts. Automaton has 1925 states and 2477 transitions. Word has length 210 [2020-07-07 11:28:41,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:28:41,532 INFO L479 AbstractCegarLoop]: Abstraction has 1925 states and 2477 transitions. [2020-07-07 11:28:41,532 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:28:41,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 2477 transitions. [2020-07-07 11:28:41,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-07-07 11:28:41,539 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:28:41,539 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:28:41,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:28:41,755 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:28:41,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:28:41,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1635854957, now seen corresponding path program 1 times [2020-07-07 11:28:41,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:28:41,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384702263] [2020-07-07 11:28:41,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:28:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:42,095 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 68 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 11:28:42,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384702263] [2020-07-07 11:28:42,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502825089] [2020-07-07 11:28:42,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-07 11:28:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:28:42,194 INFO L264 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:28:42,198 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:28:42,264 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-07-07 11:28:42,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:28:42,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-07 11:28:42,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874743367] [2020-07-07 11:28:42,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:28:42,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:28:42,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:28:42,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 11:28:42,267 INFO L87 Difference]: Start difference. First operand 1925 states and 2477 transitions. Second operand 3 states. [2020-07-07 11:28:43,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:28:43,437 INFO L93 Difference]: Finished difference Result 2507 states and 3298 transitions. [2020-07-07 11:28:43,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:28:43,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2020-07-07 11:28:43,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:28:43,441 INFO L225 Difference]: With dead ends: 2507 [2020-07-07 11:28:43,441 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 11:28:43,450 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 249 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 11:28:43,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 11:28:43,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 11:28:43,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 11:28:43,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 11:28:43,451 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 246 [2020-07-07 11:28:43,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:28:43,452 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 11:28:43,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:28:43,452 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 11:28:43,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 11:28:43,667 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:28:43,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 11:28:44,287 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 35 [2020-07-07 11:28:44,439 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:28:44,439 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)|)) [2020-07-07 11:28:44,440 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:28:44,440 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-07 11:28:44,440 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,440 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,440 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,440 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,441 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,441 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,441 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-07 11:28:44,441 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-07 11:28:44,441 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-07 11:28:44,442 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-07 11:28:44,442 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-07 11:28:44,442 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-07 11:28:44,442 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-07 11:28:44,442 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-07 11:28:44,442 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-07 11:28:44,443 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-07 11:28:44,443 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-07 11:28:44,443 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,443 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,443 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,443 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,443 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,444 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-07 11:28:44,444 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-07 11:28:44,444 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-07 11:28:44,444 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-07 11:28:44,444 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-07 11:28:44,444 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-07 11:28:44,444 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-07 11:28:44,445 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-07 11:28:44,445 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-07 11:28:44,445 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-07 11:28:44,445 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-07 11:28:44,445 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-07 11:28:44,445 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-07 11:28:44,445 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2020-07-07 11:28:44,446 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-07 11:28:44,446 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,446 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,446 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,446 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,446 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,446 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-07 11:28:44,446 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-07 11:28:44,447 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-07 11:28:44,447 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-07 11:28:44,447 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-07 11:28:44,447 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-07 11:28:44,447 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-07 11:28:44,447 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-07 11:28:44,447 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-07 11:28:44,448 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-07 11:28:44,448 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,448 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,448 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,448 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,448 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,448 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-07 11:28:44,449 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-07 11:28:44,449 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-07 11:28:44,449 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-07 11:28:44,449 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-07 11:28:44,449 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-07 11:28:44,449 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-07 11:28:44,449 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-07 11:28:44,449 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-07 11:28:44,450 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-07 11:28:44,450 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-07 11:28:44,450 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-07 11:28:44,450 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-07 11:28:44,450 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,450 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,450 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,451 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,451 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,451 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-07 11:28:44,451 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-07 11:28:44,451 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-07 11:28:44,451 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-07 11:28:44,451 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-07 11:28:44,455 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-07 11:28:44,455 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-07 11:28:44,455 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-07 11:28:44,455 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-07 11:28:44,455 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,456 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,456 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,456 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,456 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,456 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,457 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,457 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-07 11:28:44,457 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-07 11:28:44,457 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-07 11:28:44,457 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-07 11:28:44,457 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-07 11:28:44,457 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-07 11:28:44,457 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-07 11:28:44,458 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-07 11:28:44,458 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-07 11:28:44,458 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-07 11:28:44,458 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-07 11:28:44,459 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-07 11:28:44,459 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-07 11:28:44,460 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,460 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,460 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,460 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,460 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-07 11:28:44,462 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,462 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,462 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-07 11:28:44,462 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-07 11:28:44,463 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-07 11:28:44,463 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-07 11:28:44,463 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-07 11:28:44,463 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-07 11:28:44,463 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-07 11:28:44,463 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-07 11:28:44,464 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-07 11:28:44,464 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-07 11:28:44,464 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-07 11:28:44,464 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-07 11:28:44,464 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-07 11:28:44,464 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,466 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,466 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,467 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,467 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,467 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,467 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-07 11:28:44,467 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-07 11:28:44,467 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-07 11:28:44,467 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-07 11:28:44,467 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-07 11:28:44,468 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-07 11:28:44,468 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-07 11:28:44,468 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-07 11:28:44,468 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-07 11:28:44,468 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-07 11:28:44,468 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-07 11:28:44,468 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)))) (and (or (not (<= |old(~a19~0)| 7)) .cse0) (or (not (<= 9 |old(~a19~0)|)) .cse0) (or .cse0 (= 1 |old(~a10~0)|)) (or (not (< 218 |old(~a1~0)|)) (not (= 0 ~a12~0)) (not (= 14 ~a4~0)) .cse0))) [2020-07-07 11:28:44,468 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-07 11:28:44,469 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-07 11:28:44,469 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-07 11:28:44,469 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,469 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,469 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,469 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,469 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,469 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,470 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-07 11:28:44,470 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-07 11:28:44,470 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-07 11:28:44,470 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-07 11:28:44,470 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-07 11:28:44,470 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-07 11:28:44,470 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-07 11:28:44,470 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-07 11:28:44,470 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-07 11:28:44,471 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-07 11:28:44,471 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-07 11:28:44,471 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-07 11:28:44,471 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-07 11:28:44,471 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,472 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,473 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,473 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,474 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,474 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,474 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-07 11:28:44,474 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-07 11:28:44,474 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-07 11:28:44,474 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-07 11:28:44,474 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-07 11:28:44,474 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-07 11:28:44,475 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-07 11:28:44,475 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-07 11:28:44,475 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-07 11:28:44,475 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-07 11:28:44,475 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-07 11:28:44,475 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-07 11:28:44,476 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,476 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,476 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,476 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,476 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,476 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:28:44,476 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-07 11:28:44,477 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-07 11:28:44,477 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-07 11:28:44,477 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-07 11:28:44,477 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-07 11:28:44,477 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-07 11:28:44,477 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-07 11:28:44,477 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-07 11:28:44,477 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-07 11:28:44,477 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-07 11:28:44,478 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-07 11:28:44,478 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-07 11:28:44,478 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:28:44,478 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= 14 ~a4~0) (<= 9 ~a19~0) (= 0 ~a12~0) (<= 23 ~a1~0)) [2020-07-07 11:28:44,478 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 11:28:44,478 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:28:44,478 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (= 0 ~a12~0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))) [2020-07-07 11:28:44,479 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-07 11:28:44,479 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (<= 9 ~a19~0) (not (<= |old(~a10~0)| 0)) (not (= 0 ~a12~0)) (not (<= 9 |old(~a19~0)|)) (not (= 1 ~a10~0)) (not (= 14 ~a4~0)) (< 218 ~a1~0) (<= ~a19~0 7)) [2020-07-07 11:28:44,479 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-07 11:28:44,479 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-07 11:28:44,479 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (<= 9 ~a19~0) (not (<= |old(~a10~0)| 0)) (not (= 0 ~a12~0)) (not (<= 9 |old(~a19~0)|)) (not (= 1 ~a10~0)) (not (= 14 ~a4~0)) (< 218 ~a1~0) (<= ~a19~0 7)) [2020-07-07 11:28:44,479 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-07 11:28:44,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 11:28:44 BoogieIcfgContainer [2020-07-07 11:28:44,499 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 11:28:44,501 INFO L168 Benchmark]: Toolchain (without parser) took 46353.45 ms. Allocated memory was 146.3 MB in the beginning and 379.1 MB in the end (delta: 232.8 MB). Free memory was 102.4 MB in the beginning and 132.0 MB in the end (delta: -29.6 MB). Peak memory consumption was 203.2 MB. Max. memory is 7.1 GB. [2020-07-07 11:28:44,502 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-07 11:28:44,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.11 ms. Allocated memory was 146.3 MB in the beginning and 208.7 MB in the end (delta: 62.4 MB). Free memory was 102.2 MB in the beginning and 178.7 MB in the end (delta: -76.5 MB). Peak memory consumption was 38.3 MB. Max. memory is 7.1 GB. [2020-07-07 11:28:44,504 INFO L168 Benchmark]: Boogie Preprocessor took 112.98 ms. Allocated memory is still 208.7 MB. Free memory was 178.7 MB in the beginning and 173.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-07 11:28:44,505 INFO L168 Benchmark]: RCFGBuilder took 1349.16 ms. Allocated memory was 208.7 MB in the beginning and 239.1 MB in the end (delta: 30.4 MB). Free memory was 173.8 MB in the beginning and 185.3 MB in the end (delta: -11.4 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2020-07-07 11:28:44,506 INFO L168 Benchmark]: TraceAbstraction took 44102.64 ms. Allocated memory was 239.1 MB in the beginning and 379.1 MB in the end (delta: 140.0 MB). Free memory was 185.3 MB in the beginning and 132.0 MB in the end (delta: 53.2 MB). Peak memory consumption was 193.2 MB. Max. memory is 7.1 GB. [2020-07-07 11:28:44,510 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 780.11 ms. Allocated memory was 146.3 MB in the beginning and 208.7 MB in the end (delta: 62.4 MB). Free memory was 102.2 MB in the beginning and 178.7 MB in the end (delta: -76.5 MB). Peak memory consumption was 38.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.98 ms. Allocated memory is still 208.7 MB. Free memory was 178.7 MB in the beginning and 173.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1349.16 ms. Allocated memory was 208.7 MB in the beginning and 239.1 MB in the end (delta: 30.4 MB). Free memory was 173.8 MB in the beginning and 185.3 MB in the end (delta: -11.4 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 44102.64 ms. Allocated memory was 239.1 MB in the beginning and 379.1 MB in the end (delta: 140.0 MB). Free memory was 185.3 MB in the beginning and 132.0 MB in the end (delta: 53.2 MB). Peak memory consumption was 193.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 109]: 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: (((((((!(23 <= \old(a1)) || 9 <= a19) || !(\old(a10) <= 0)) || !(0 == a12)) || !(9 <= \old(a19))) || !(1 == a10)) || !(14 == a4)) || 218 < a1) || a19 <= 7 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 43.2s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 33.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 334 SDtfs, 3040 SDslu, 215 SDs, 0 SdLazy, 5313 SolverSat, 1036 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 24.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 847 GetRequests, 783 SyntacticMatches, 5 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 11.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1929occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 217 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 58 PreInvPairs, 112 NumberOfFragments, 215 HoareAnnotationTreeSize, 58 FomulaSimplifications, 8179 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1753 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 1579 NumberOfCodeBlocks, 1579 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1570 ConstructedInterpolants, 37 QuantifiedInterpolants, 772599 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1424 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 733/934 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...