/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/Problem14_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 13:39:27,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:39:27,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:39:27,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 13:39:27,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 13:39:27,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 13:39:27,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 13:39:27,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 13:39:27,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 13:39:27,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 13:39:27,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 13:39:27,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 13:39:27,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:39:27,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:39:27,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:39:27,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:39:27,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:39:27,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:39:27,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:39:27,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:39:27,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:39:27,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:39:27,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:39:27,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:39:27,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 13:39:27,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 13:39:27,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 13:39:27,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 13:39:27,836 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-04 13:39:27,894 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:39:27,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:39:27,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:39:27,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:39:27,896 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:39:27,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:39:27,896 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:39:27,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:39:27,898 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:39:27,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:39:27,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:39:27,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:39:27,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:39:27,899 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:39:27,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:39:27,899 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:39:27,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:39:27,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:39:27,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:39:27,901 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:39:27,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:39:27,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:39:27,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:39:27,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:39:27,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:39:27,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:39:27,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:39:27,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:39:27,903 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:39:27,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:39:28,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:39:28,369 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:39:28,373 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:39:28,375 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:39:28,375 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:39:28,377 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label01.c [2020-09-04 13:39:28,466 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/173314e3f/73fa83d1c6f44218a8d62e54aef9468a/FLAG37e0d8a28 [2020-09-04 13:39:29,096 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:39:29,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label01.c [2020-09-04 13:39:29,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/173314e3f/73fa83d1c6f44218a8d62e54aef9468a/FLAG37e0d8a28 [2020-09-04 13:39:29,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/173314e3f/73fa83d1c6f44218a8d62e54aef9468a [2020-09-04 13:39:29,343 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:39:29,345 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:39:29,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:39:29,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:39:29,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:39:29,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:39:29" (1/1) ... [2020-09-04 13:39:29,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cbac012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:29, skipping insertion in model container [2020-09-04 13:39:29,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:39:29" (1/1) ... [2020-09-04 13:39:29,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:39:29,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:39:30,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:39:30,102 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:39:30,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:39:30,263 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:39:30,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:30 WrapperNode [2020-09-04 13:39:30,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:39:30,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:39:30,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:39:30,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:39:30,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:30" (1/1) ... [2020-09-04 13:39:30,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:30" (1/1) ... [2020-09-04 13:39:30,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:30" (1/1) ... [2020-09-04 13:39:30,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:30" (1/1) ... [2020-09-04 13:39:30,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:30" (1/1) ... [2020-09-04 13:39:30,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:30" (1/1) ... [2020-09-04 13:39:30,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:30" (1/1) ... [2020-09-04 13:39:30,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:39:30,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:39:30,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:39:30,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:39:30,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:39:30,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:39:30,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:39:30,506 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 13:39:30,507 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:39:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 13:39:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:39:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 13:39:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 13:39:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:39:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:39:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:39:31,966 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:39:31,966 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 13:39:31,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:39:31 BoogieIcfgContainer [2020-09-04 13:39:31,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:39:31,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:39:31,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:39:31,979 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:39:31,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:39:29" (1/3) ... [2020-09-04 13:39:31,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7e25be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:39:31, skipping insertion in model container [2020-09-04 13:39:31,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:30" (2/3) ... [2020-09-04 13:39:31,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7e25be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:39:31, skipping insertion in model container [2020-09-04 13:39:31,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:39:31" (3/3) ... [2020-09-04 13:39:31,984 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label01.c [2020-09-04 13:39:31,996 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:39:32,006 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:39:32,029 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:39:32,062 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:39:32,062 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:39:32,062 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:39:32,062 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:39:32,062 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:39:32,063 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:39:32,063 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:39:32,063 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:39:32,091 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-09-04 13:39:32,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-04 13:39:32,103 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:32,105 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:39:32,105 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:32,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:32,113 INFO L82 PathProgramCache]: Analyzing trace with hash -184228989, now seen corresponding path program 1 times [2020-09-04 13:39:32,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:32,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929520597] [2020-09-04 13:39:32,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:32,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:39:32,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929520597] [2020-09-04 13:39:32,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:39:32,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 13:39:32,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372888794] [2020-09-04 13:39:32,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 13:39:32,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:32,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 13:39:32,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:39:32,612 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-09-04 13:39:35,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:35,571 INFO L93 Difference]: Finished difference Result 886 states and 1612 transitions. [2020-09-04 13:39:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 13:39:35,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-04 13:39:35,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:35,601 INFO L225 Difference]: With dead ends: 886 [2020-09-04 13:39:35,601 INFO L226 Difference]: Without dead ends: 564 [2020-09-04 13:39:35,614 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 [2020-09-04 13:39:35,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-09-04 13:39:35,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-09-04 13:39:35,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-09-04 13:39:35,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 861 transitions. [2020-09-04 13:39:35,716 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 861 transitions. Word has length 60 [2020-09-04 13:39:35,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:35,716 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 861 transitions. [2020-09-04 13:39:35,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 13:39:35,717 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 861 transitions. [2020-09-04 13:39:35,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-04 13:39:35,726 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:35,726 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:39:35,726 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:39:35,727 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:35,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:35,727 INFO L82 PathProgramCache]: Analyzing trace with hash 2117260534, now seen corresponding path program 1 times [2020-09-04 13:39:35,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:35,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464961121] [2020-09-04 13:39:35,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:35,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:35,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:39:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:36,046 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:39:36,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464961121] [2020-09-04 13:39:36,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:39:36,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-04 13:39:36,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676389460] [2020-09-04 13:39:36,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 13:39:36,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:36,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 13:39:36,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:39:36,051 INFO L87 Difference]: Start difference. First operand 560 states and 861 transitions. Second operand 7 states. [2020-09-04 13:39:38,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:38,334 INFO L93 Difference]: Finished difference Result 1518 states and 2374 transitions. [2020-09-04 13:39:38,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-04 13:39:38,335 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2020-09-04 13:39:38,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:38,344 INFO L225 Difference]: With dead ends: 1518 [2020-09-04 13:39:38,344 INFO L226 Difference]: Without dead ends: 964 [2020-09-04 13:39:38,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-04 13:39:38,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2020-09-04 13:39:38,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 944. [2020-09-04 13:39:38,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 944 states. [2020-09-04 13:39:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1336 transitions. [2020-09-04 13:39:38,410 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1336 transitions. Word has length 154 [2020-09-04 13:39:38,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:38,411 INFO L479 AbstractCegarLoop]: Abstraction has 944 states and 1336 transitions. [2020-09-04 13:39:38,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 13:39:38,411 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1336 transitions. [2020-09-04 13:39:38,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-04 13:39:38,417 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:38,418 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, 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] [2020-09-04 13:39:38,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 13:39:38,418 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:38,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:38,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1698067270, now seen corresponding path program 1 times [2020-09-04 13:39:38,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:38,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442768184] [2020-09-04 13:39:38,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:38,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:38,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:39:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:38,875 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:39:38,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442768184] [2020-09-04 13:39:38,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:39:38,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:39:38,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062120097] [2020-09-04 13:39:38,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:39:38,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:38,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:39:38,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:39:38,879 INFO L87 Difference]: Start difference. First operand 944 states and 1336 transitions. Second operand 8 states. [2020-09-04 13:39:41,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:41,037 INFO L93 Difference]: Finished difference Result 2490 states and 3798 transitions. [2020-09-04 13:39:41,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 13:39:41,039 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 200 [2020-09-04 13:39:41,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:41,056 INFO L225 Difference]: With dead ends: 2490 [2020-09-04 13:39:41,057 INFO L226 Difference]: Without dead ends: 1552 [2020-09-04 13:39:41,060 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 [2020-09-04 13:39:41,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2020-09-04 13:39:41,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1518. [2020-09-04 13:39:41,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1518 states. [2020-09-04 13:39:41,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 2119 transitions. [2020-09-04 13:39:41,151 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 2119 transitions. Word has length 200 [2020-09-04 13:39:41,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:41,153 INFO L479 AbstractCegarLoop]: Abstraction has 1518 states and 2119 transitions. [2020-09-04 13:39:41,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:39:41,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 2119 transitions. [2020-09-04 13:39:41,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-09-04 13:39:41,166 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:41,166 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:39:41,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 13:39:41,167 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:41,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:41,167 INFO L82 PathProgramCache]: Analyzing trace with hash 328652488, now seen corresponding path program 1 times [2020-09-04 13:39:41,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:41,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782887751] [2020-09-04 13:39:41,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:41,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:41,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:39:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:41,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-04 13:39:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:41,611 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 106 proven. 71 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 13:39:41,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782887751] [2020-09-04 13:39:41,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502534646] [2020-09-04 13:39:41,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:39:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:41,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:39:41,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:39:42,005 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 180 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:39:42,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:39:42,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-09-04 13:39:42,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082246051] [2020-09-04 13:39:42,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 13:39:42,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:42,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 13:39:42,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-09-04 13:39:42,009 INFO L87 Difference]: Start difference. First operand 1518 states and 2119 transitions. Second operand 11 states. [2020-09-04 13:39:46,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:46,086 INFO L93 Difference]: Finished difference Result 4356 states and 6077 transitions. [2020-09-04 13:39:46,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-04 13:39:46,087 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 219 [2020-09-04 13:39:46,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:46,102 INFO L225 Difference]: With dead ends: 4356 [2020-09-04 13:39:46,102 INFO L226 Difference]: Without dead ends: 2844 [2020-09-04 13:39:46,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=139, Invalid=511, Unknown=0, NotChecked=0, Total=650 [2020-09-04 13:39:46,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2020-09-04 13:39:46,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2834. [2020-09-04 13:39:46,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2834 states. [2020-09-04 13:39:46,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 2834 states and 3628 transitions. [2020-09-04 13:39:46,192 INFO L78 Accepts]: Start accepts. Automaton has 2834 states and 3628 transitions. Word has length 219 [2020-09-04 13:39:46,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:46,193 INFO L479 AbstractCegarLoop]: Abstraction has 2834 states and 3628 transitions. [2020-09-04 13:39:46,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 13:39:46,193 INFO L276 IsEmpty]: Start isEmpty. Operand 2834 states and 3628 transitions. [2020-09-04 13:39:46,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-09-04 13:39:46,201 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:46,201 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, 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, 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] [2020-09-04 13:39:46,417 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:39:46,418 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:46,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:46,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1163727728, now seen corresponding path program 1 times [2020-09-04 13:39:46,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:46,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911678079] [2020-09-04 13:39:46,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:46,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:46,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:39:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:46,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-04 13:39:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:46,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-04 13:39:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:47,292 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 193 proven. 195 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-04 13:39:47,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911678079] [2020-09-04 13:39:47,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946457540] [2020-09-04 13:39:47,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:39:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:47,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:39:47,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:39:47,621 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 312 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-09-04 13:39:47,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:39:47,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2020-09-04 13:39:47,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129789549] [2020-09-04 13:39:47,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-04 13:39:47,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:47,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-04 13:39:47,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-09-04 13:39:47,624 INFO L87 Difference]: Start difference. First operand 2834 states and 3628 transitions. Second operand 12 states. [2020-09-04 13:39:53,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:53,937 INFO L93 Difference]: Finished difference Result 7076 states and 9213 transitions. [2020-09-04 13:39:53,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-04 13:39:53,939 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 332 [2020-09-04 13:39:53,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:53,960 INFO L225 Difference]: With dead ends: 7076 [2020-09-04 13:39:53,961 INFO L226 Difference]: Without dead ends: 4346 [2020-09-04 13:39:53,970 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=216, Invalid=840, Unknown=0, NotChecked=0, Total=1056 [2020-09-04 13:39:53,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4346 states. [2020-09-04 13:39:54,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4346 to 4290. [2020-09-04 13:39:54,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4290 states. [2020-09-04 13:39:54,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4290 states to 4290 states and 4921 transitions. [2020-09-04 13:39:54,087 INFO L78 Accepts]: Start accepts. Automaton has 4290 states and 4921 transitions. Word has length 332 [2020-09-04 13:39:54,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:54,087 INFO L479 AbstractCegarLoop]: Abstraction has 4290 states and 4921 transitions. [2020-09-04 13:39:54,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-04 13:39:54,088 INFO L276 IsEmpty]: Start isEmpty. Operand 4290 states and 4921 transitions. [2020-09-04 13:39:54,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2020-09-04 13:39:54,106 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:54,107 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:39:54,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:39:54,322 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:54,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:54,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1978941699, now seen corresponding path program 1 times [2020-09-04 13:39:54,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:54,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776740936] [2020-09-04 13:39:54,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:54,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:54,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:39:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:54,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-04 13:39:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:54,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 13:39:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:54,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-09-04 13:39:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:55,239 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 441 proven. 2 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2020-09-04 13:39:55,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776740936] [2020-09-04 13:39:55,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203439932] [2020-09-04 13:39:55,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:39:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:55,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:39:55,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:39:55,837 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 444 proven. 2 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2020-09-04 13:39:55,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:39:55,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-09-04 13:39:55,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215853283] [2020-09-04 13:39:55,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:39:55,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:55,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:39:55,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:39:55,843 INFO L87 Difference]: Start difference. First operand 4290 states and 4921 transitions. Second operand 8 states. [2020-09-04 13:39:57,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:57,809 INFO L93 Difference]: Finished difference Result 9876 states and 11543 transitions. [2020-09-04 13:39:57,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-04 13:39:57,810 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 472 [2020-09-04 13:39:57,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:57,837 INFO L225 Difference]: With dead ends: 9876 [2020-09-04 13:39:57,837 INFO L226 Difference]: Without dead ends: 5774 [2020-09-04 13:39:57,851 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 486 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-09-04 13:39:57,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5774 states. [2020-09-04 13:39:58,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5774 to 5768. [2020-09-04 13:39:58,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5768 states. [2020-09-04 13:39:58,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5768 states to 5768 states and 6700 transitions. [2020-09-04 13:39:58,027 INFO L78 Accepts]: Start accepts. Automaton has 5768 states and 6700 transitions. Word has length 472 [2020-09-04 13:39:58,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:58,029 INFO L479 AbstractCegarLoop]: Abstraction has 5768 states and 6700 transitions. [2020-09-04 13:39:58,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:39:58,029 INFO L276 IsEmpty]: Start isEmpty. Operand 5768 states and 6700 transitions. [2020-09-04 13:39:58,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2020-09-04 13:39:58,044 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:58,045 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:39:58,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:39:58,256 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:58,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:58,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1966379604, now seen corresponding path program 1 times [2020-09-04 13:39:58,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:58,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522807660] [2020-09-04 13:39:58,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:58,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:58,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:39:58,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:58,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-04 13:39:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:58,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 13:39:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:58,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2020-09-04 13:39:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:58,868 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 217 proven. 4 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2020-09-04 13:39:58,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522807660] [2020-09-04 13:39:58,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304478526] [2020-09-04 13:39:58,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:39:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:59,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:39:59,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:39:59,315 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2020-09-04 13:39:59,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:39:59,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-09-04 13:39:59,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534221881] [2020-09-04 13:39:59,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:39:59,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:59,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:39:59,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:39:59,318 INFO L87 Difference]: Start difference. First operand 5768 states and 6700 transitions. Second operand 3 states. [2020-09-04 13:40:00,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:40:00,579 INFO L93 Difference]: Finished difference Result 12078 states and 14153 transitions. [2020-09-04 13:40:00,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:40:00,580 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 485 [2020-09-04 13:40:00,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:40:00,613 INFO L225 Difference]: With dead ends: 12078 [2020-09-04 13:40:00,614 INFO L226 Difference]: Without dead ends: 6498 [2020-09-04 13:40:00,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 494 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:40:00,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6498 states. [2020-09-04 13:40:00,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6498 to 5946. [2020-09-04 13:40:00,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5946 states. [2020-09-04 13:40:00,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5946 states to 5946 states and 6766 transitions. [2020-09-04 13:40:00,806 INFO L78 Accepts]: Start accepts. Automaton has 5946 states and 6766 transitions. Word has length 485 [2020-09-04 13:40:00,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:40:00,807 INFO L479 AbstractCegarLoop]: Abstraction has 5946 states and 6766 transitions. [2020-09-04 13:40:00,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:40:00,807 INFO L276 IsEmpty]: Start isEmpty. Operand 5946 states and 6766 transitions. [2020-09-04 13:40:00,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2020-09-04 13:40:00,825 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:40:00,825 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:40:01,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:40:01,039 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:40:01,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:40:01,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1459012785, now seen corresponding path program 1 times [2020-09-04 13:40:01,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:40:01,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725686656] [2020-09-04 13:40:01,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:40:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:40:01,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:40:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:40:01,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:40:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:40:01,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-04 13:40:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:40:01,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 13:40:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:40:01,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2020-09-04 13:40:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:40:01,841 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 214 proven. 16 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2020-09-04 13:40:01,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725686656] [2020-09-04 13:40:01,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324782433] [2020-09-04 13:40:01,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:40:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:40:02,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:40:02,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:40:02,316 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2020-09-04 13:40:02,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:40:02,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2020-09-04 13:40:02,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110379043] [2020-09-04 13:40:02,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:40:02,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:40:02,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:40:02,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:40:02,321 INFO L87 Difference]: Start difference. First operand 5946 states and 6766 transitions. Second operand 3 states. [2020-09-04 13:40:03,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:40:03,222 INFO L93 Difference]: Finished difference Result 7592 states and 8711 transitions. [2020-09-04 13:40:03,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:40:03,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 496 [2020-09-04 13:40:03,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:40:03,224 INFO L225 Difference]: With dead ends: 7592 [2020-09-04 13:40:03,225 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 13:40:03,238 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 506 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:40:03,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 13:40:03,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 13:40:03,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 13:40:03,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 13:40:03,239 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 496 [2020-09-04 13:40:03,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:40:03,239 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 13:40:03,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:40:03,240 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 13:40:03,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 13:40:03,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:40:03,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 13:40:04,246 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 98 [2020-09-04 13:40:04,480 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 98 [2020-09-04 13:40:04,960 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 26 [2020-09-04 13:40:05,168 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 27 [2020-09-04 13:40:05,372 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 27 [2020-09-04 13:40:05,377 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:40:05,378 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-09-04 13:40:05,378 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:40:05,379 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-09-04 13:40:05,379 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-09-04 13:40:05,379 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,379 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,379 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,380 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-09-04 13:40:05,380 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-04 13:40:05,380 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-04 13:40:05,380 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-04 13:40:05,380 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-09-04 13:40:05,380 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-09-04 13:40:05,380 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-09-04 13:40:05,381 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-09-04 13:40:05,381 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,381 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,381 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,381 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-09-04 13:40:05,381 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-09-04 13:40:05,381 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-04 13:40:05,381 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-04 13:40:05,382 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-04 13:40:05,382 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-09-04 13:40:05,382 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-09-04 13:40:05,382 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-09-04 13:40:05,382 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,382 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,382 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,383 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-09-04 13:40:05,383 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-04 13:40:05,383 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-04 13:40:05,383 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-04 13:40:05,383 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-09-04 13:40:05,383 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-09-04 13:40:05,384 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-09-04 13:40:05,384 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-09-04 13:40:05,384 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-09-04 13:40:05,384 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,384 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,384 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,384 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-09-04 13:40:05,385 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-04 13:40:05,385 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-04 13:40:05,385 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-04 13:40:05,385 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-09-04 13:40:05,385 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-09-04 13:40:05,385 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-09-04 13:40:05,385 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,386 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,386 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,386 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-09-04 13:40:05,386 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-04 13:40:05,386 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-04 13:40:05,386 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-04 13:40:05,386 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-09-04 13:40:05,387 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-09-04 13:40:05,387 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-09-04 13:40:05,387 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-09-04 13:40:05,387 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-09-04 13:40:05,387 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,387 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,387 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,387 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,388 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-09-04 13:40:05,388 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-04 13:40:05,388 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-04 13:40:05,388 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-04 13:40:05,388 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-09-04 13:40:05,388 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-09-04 13:40:05,388 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-09-04 13:40:05,389 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-09-04 13:40:05,389 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,389 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,389 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,389 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-04 13:40:05,389 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-04 13:40:05,389 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-04 13:40:05,390 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-09-04 13:40:05,390 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-09-04 13:40:05,390 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-09-04 13:40:05,390 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-09-04 13:40:05,390 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-09-04 13:40:05,390 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,390 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,390 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,391 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-09-04 13:40:05,391 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-09-04 13:40:05,391 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-04 13:40:05,391 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-04 13:40:05,391 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-04 13:40:05,391 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-09-04 13:40:05,391 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)))) (and (or (= 8 |old(~a21~0)|) .cse0) (or .cse0 (not (<= 7 |old(~a15~0)|))) (or .cse0 (not (<= 12 |old(~a12~0)|))))) [2020-09-04 13:40:05,392 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-09-04 13:40:05,392 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-09-04 13:40:05,392 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,392 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,392 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,392 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-04 13:40:05,392 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-04 13:40:05,393 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-04 13:40:05,393 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-09-04 13:40:05,393 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-09-04 13:40:05,393 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-09-04 13:40:05,393 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-09-04 13:40:05,393 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-09-04 13:40:05,393 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,393 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,394 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,394 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-09-04 13:40:05,394 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-09-04 13:40:05,394 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-04 13:40:05,394 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-04 13:40:05,394 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-04 13:40:05,394 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-09-04 13:40:05,395 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-09-04 13:40:05,395 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-09-04 13:40:05,395 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,395 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,395 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,395 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-09-04 13:40:05,395 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-04 13:40:05,395 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-04 13:40:05,396 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-04 13:40:05,396 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-09-04 13:40:05,396 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-09-04 13:40:05,396 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-09-04 13:40:05,396 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-09-04 13:40:05,396 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,396 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,396 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,397 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-09-04 13:40:05,397 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-04 13:40:05,397 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-04 13:40:05,397 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-04 13:40:05,397 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-09-04 13:40:05,397 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-09-04 13:40:05,397 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-09-04 13:40:05,397 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-09-04 13:40:05,398 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,398 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,398 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-09-04 13:40:05,398 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-04 13:40:05,398 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-04 13:40:05,398 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-09-04 13:40:05,398 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-09-04 13:40:05,398 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-09-04 13:40:05,399 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-09-04 13:40:05,399 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-09-04 13:40:05,399 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2020-09-04 13:40:05,399 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,399 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,399 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-09-04 13:40:05,400 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-04 13:40:05,400 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-04 13:40:05,400 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-09-04 13:40:05,400 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-09-04 13:40:05,400 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-09-04 13:40:05,400 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,400 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,400 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-09-04 13:40:05,401 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-09-04 13:40:05,401 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-04 13:40:05,401 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-04 13:40:05,401 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-09-04 13:40:05,401 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-09-04 13:40:05,401 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-09-04 13:40:05,401 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-09-04 13:40:05,401 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,402 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,402 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-09-04 13:40:05,402 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-09-04 13:40:05,402 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-04 13:40:05,402 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-04 13:40:05,402 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-09-04 13:40:05,402 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-09-04 13:40:05,403 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-09-04 13:40:05,403 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,403 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,403 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,403 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-09-04 13:40:05,403 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-09-04 13:40:05,403 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-04 13:40:05,403 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-04 13:40:05,404 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-09-04 13:40:05,404 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-09-04 13:40:05,404 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,404 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,404 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-04 13:40:05,404 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,404 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-09-04 13:40:05,404 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-09-04 13:40:05,405 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-09-04 13:40:05,405 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-04 13:40:05,405 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-04 13:40:05,405 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-04 13:40:05,405 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-09-04 13:40:05,405 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-09-04 13:40:05,405 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-09-04 13:40:05,406 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-09-04 13:40:05,406 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,406 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,406 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,406 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-09-04 13:40:05,406 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-04 13:40:05,406 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-04 13:40:05,406 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-04 13:40:05,407 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-09-04 13:40:05,407 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-09-04 13:40:05,407 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-09-04 13:40:05,407 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-09-04 13:40:05,407 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,407 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,407 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,408 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-09-04 13:40:05,408 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-09-04 13:40:05,408 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-04 13:40:05,408 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-04 13:40:05,408 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-04 13:40:05,408 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-09-04 13:40:05,408 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-09-04 13:40:05,408 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-09-04 13:40:05,409 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,409 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,409 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,409 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-09-04 13:40:05,409 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-04 13:40:05,409 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-04 13:40:05,409 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-04 13:40:05,409 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-09-04 13:40:05,410 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-09-04 13:40:05,410 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-09-04 13:40:05,410 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-09-04 13:40:05,410 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-09-04 13:40:05,410 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,410 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,410 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:40:05,411 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-09-04 13:40:05,411 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-04 13:40:05,411 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-04 13:40:05,411 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-04 13:40:05,411 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-09-04 13:40:05,411 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:40:05,412 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (<= (+ ~a12~0 49) 0) (<= 7 ~a15~0) (<= ~a15~0 8)) [2020-09-04 13:40:05,412 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 13:40:05,412 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:40:05,412 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= |old(~a15~0)| 8)) (and (<= ~a21~0 7) (<= 7 ~a21~0) (= ~a24~0 |old(~a24~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 7 |old(~a15~0)|))) [2020-09-04 13:40:05,412 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-09-04 13:40:05,412 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (<= 12 ~a12~0) (<= 7 ~a15~0) (not (<= |old(~a15~0)| 8)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 7 |old(~a15~0)|)) (not (= ~a21~0 8))) [2020-09-04 13:40:05,413 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-09-04 13:40:05,413 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-09-04 13:40:05,413 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (<= 12 ~a12~0) (<= 7 ~a15~0) (not (<= |old(~a15~0)| 8)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 7 |old(~a15~0)|)) (not (= ~a21~0 8))) [2020-09-04 13:40:05,413 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-09-04 13:40:05,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:40:05 BoogieIcfgContainer [2020-09-04 13:40:05,437 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:40:05,439 INFO L168 Benchmark]: Toolchain (without parser) took 36094.44 ms. Allocated memory was 147.8 MB in the beginning and 764.9 MB in the end (delta: 617.1 MB). Free memory was 102.1 MB in the beginning and 211.5 MB in the end (delta: -109.3 MB). Peak memory consumption was 507.7 MB. Max. memory is 7.1 GB. [2020-09-04 13:40:05,440 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-04 13:40:05,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 918.16 ms. Allocated memory was 147.8 MB in the beginning and 207.6 MB in the end (delta: 59.8 MB). Free memory was 101.7 MB in the beginning and 169.9 MB in the end (delta: -68.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. [2020-09-04 13:40:05,442 INFO L168 Benchmark]: Boogie Preprocessor took 139.99 ms. Allocated memory is still 207.6 MB. Free memory was 169.9 MB in the beginning and 164.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2020-09-04 13:40:05,443 INFO L168 Benchmark]: RCFGBuilder took 1568.64 ms. Allocated memory was 207.6 MB in the beginning and 238.0 MB in the end (delta: 30.4 MB). Free memory was 164.4 MB in the beginning and 154.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 77.5 MB. Max. memory is 7.1 GB. [2020-09-04 13:40:05,444 INFO L168 Benchmark]: TraceAbstraction took 33461.83 ms. Allocated memory was 238.0 MB in the beginning and 764.9 MB in the end (delta: 526.9 MB). Free memory was 154.5 MB in the beginning and 211.5 MB in the end (delta: -57.0 MB). Peak memory consumption was 469.9 MB. Max. memory is 7.1 GB. [2020-09-04 13:40:05,447 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 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 918.16 ms. Allocated memory was 147.8 MB in the beginning and 207.6 MB in the end (delta: 59.8 MB). Free memory was 101.7 MB in the beginning and 169.9 MB in the end (delta: -68.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.99 ms. Allocated memory is still 207.6 MB. Free memory was 169.9 MB in the beginning and 164.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1568.64 ms. Allocated memory was 207.6 MB in the beginning and 238.0 MB in the end (delta: 30.4 MB). Free memory was 164.4 MB in the beginning and 154.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 77.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 33461.83 ms. Allocated memory was 238.0 MB in the beginning and 764.9 MB in the end (delta: 526.9 MB). Free memory was 154.5 MB in the beginning and 211.5 MB in the end (delta: -57.0 MB). Peak memory consumption was 469.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((12 <= a12 || 7 <= a15) || !(\old(a15) <= 8)) || !(7 <= \old(a21))) || !(\old(a21) <= 7)) || !(\old(a12) + 49 <= 0)) || !(7 <= \old(a15))) || !(a21 == 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.3s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 22.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 444 SDtfs, 6750 SDslu, 334 SDs, 0 SdLazy, 11664 SolverSat, 2480 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2182 GetRequests, 2078 SyntacticMatches, 2 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5946occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 8 MinimizatonAttempts, 682 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 133 PreInvPairs, 219 NumberOfFragments, 209 HoareAnnotationTreeSize, 133 FomulaSimplifications, 13667 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3432 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 4422 NumberOfCodeBlocks, 4422 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 4409 ConstructedInterpolants, 0 QuantifiedInterpolants, 3296013 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3178 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 5856/6150 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...