/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_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 11:28:59,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 11:28:59,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 11:28:59,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 11:28:59,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 11:28:59,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 11:28:59,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 11:28:59,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 11:28:59,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 11:28:59,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 11:28:59,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 11:28:59,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 11:28:59,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 11:28:59,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 11:28:59,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 11:28:59,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 11:28:59,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 11:28:59,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 11:28:59,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 11:28:59,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 11:28:59,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 11:28:59,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 11:28:59,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 11:28:59,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 11:28:59,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 11:28:59,708 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-07 11:28:59,723 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 11:28:59,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 11:28:59,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 11:28:59,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 11:28:59,725 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 11:28:59,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 11:28:59,725 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 11:28:59,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 11:28:59,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 11:28:59,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 11:28:59,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 11:28:59,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 11:28:59,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 11:28:59,727 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 11:28:59,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 11:28:59,727 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 11:28:59,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 11:28:59,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 11:28:59,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 11:28:59,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 11:28:59,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 11:28:59,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:28:59,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 11:28:59,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 11:28:59,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 11:28:59,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 11:28:59,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 11:28:59,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 11:28:59,730 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 11:28:59,730 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 11:29:00,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 11:29:00,026 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 11:29:00,030 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 11:29:00,032 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 11:29:00,032 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 11:29:00,033 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2020-07-07 11:29:00,106 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c77c79b46/071988dbae7c4ddbaa48d3c27e601a80/FLAGd2df905f5 [2020-07-07 11:29:00,711 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 11:29:00,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2020-07-07 11:29:00,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c77c79b46/071988dbae7c4ddbaa48d3c27e601a80/FLAGd2df905f5 [2020-07-07 11:29:00,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c77c79b46/071988dbae7c4ddbaa48d3c27e601a80 [2020-07-07 11:29:00,951 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 11:29:00,953 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 11:29:00,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 11:29:00,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 11:29:00,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 11:29:00,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:29:00" (1/1) ... [2020-07-07 11:29:00,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58bb5dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:00, skipping insertion in model container [2020-07-07 11:29:00,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:29:00" (1/1) ... [2020-07-07 11:29:00,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 11:29:01,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 11:29:01,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:29:01,763 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 11:29:01,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:29:01,906 INFO L208 MainTranslator]: Completed translation [2020-07-07 11:29:01,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:01 WrapperNode [2020-07-07 11:29:01,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 11:29:01,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 11:29:01,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 11:29:01,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 11:29:01,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:01" (1/1) ... [2020-07-07 11:29:01,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:01" (1/1) ... [2020-07-07 11:29:01,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:01" (1/1) ... [2020-07-07 11:29:01,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:01" (1/1) ... [2020-07-07 11:29:02,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:01" (1/1) ... [2020-07-07 11:29:02,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:01" (1/1) ... [2020-07-07 11:29:02,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:01" (1/1) ... [2020-07-07 11:29:02,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 11:29:02,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 11:29:02,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 11:29:02,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 11:29:02,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:29:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 11:29:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 11:29:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-07 11:29:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 11:29:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-07 11:29:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 11:29:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 11:29:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-07 11:29:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 11:29:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 11:29:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 11:29:03,646 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 11:29:03,647 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 11:29:03,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:29:03 BoogieIcfgContainer [2020-07-07 11:29:03,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 11:29:03,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 11:29:03,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 11:29:03,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 11:29:03,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 11:29:00" (1/3) ... [2020-07-07 11:29:03,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a7a4b87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:29:03, skipping insertion in model container [2020-07-07 11:29:03,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:01" (2/3) ... [2020-07-07 11:29:03,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a7a4b87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:29:03, skipping insertion in model container [2020-07-07 11:29:03,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:29:03" (3/3) ... [2020-07-07 11:29:03,663 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label30.c [2020-07-07 11:29:03,674 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 11:29:03,683 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 11:29:03,698 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 11:29:03,726 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 11:29:03,726 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 11:29:03,727 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 11:29:03,727 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 11:29:03,727 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 11:29:03,727 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 11:29:03,728 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 11:29:03,728 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 11:29:03,754 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-07-07 11:29:03,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-07-07 11:29:03,763 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:29:03,764 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] [2020-07-07 11:29:03,764 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:29:03,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:29:03,771 INFO L82 PathProgramCache]: Analyzing trace with hash 2061919546, now seen corresponding path program 1 times [2020-07-07 11:29:03,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:29:03,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809297779] [2020-07-07 11:29:03,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:29:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:04,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:29:04,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809297779] [2020-07-07 11:29:04,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:29:04,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 11:29:04,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926415692] [2020-07-07 11:29:04,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 11:29:04,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:29:04,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 11:29:04,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-07 11:29:04,289 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 6 states. [2020-07-07 11:29:07,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:29:07,958 INFO L93 Difference]: Finished difference Result 1090 states and 1998 transitions. [2020-07-07 11:29:07,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 11:29:07,966 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2020-07-07 11:29:07,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:29:07,992 INFO L225 Difference]: With dead ends: 1090 [2020-07-07 11:29:07,992 INFO L226 Difference]: Without dead ends: 748 [2020-07-07 11:29:08,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:29:08,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-07-07 11:29:08,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 560. [2020-07-07 11:29:08,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-07-07 11:29:08,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 782 transitions. [2020-07-07 11:29:08,114 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 782 transitions. Word has length 49 [2020-07-07 11:29:08,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:29:08,115 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 782 transitions. [2020-07-07 11:29:08,115 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 11:29:08,116 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 782 transitions. [2020-07-07 11:29:08,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-07 11:29:08,129 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:29:08,129 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:29:08,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 11:29:08,130 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:29:08,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:29:08,130 INFO L82 PathProgramCache]: Analyzing trace with hash -2076137238, now seen corresponding path program 1 times [2020-07-07 11:29:08,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:29:08,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831166809] [2020-07-07 11:29:08,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:29:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:08,936 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:29:08,937 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831166809] [2020-07-07 11:29:08,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:29:08,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 11:29:08,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443389427] [2020-07-07 11:29:08,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 11:29:08,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:29:08,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 11:29:08,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:29:08,940 INFO L87 Difference]: Start difference. First operand 560 states and 782 transitions. Second operand 11 states. [2020-07-07 11:29:11,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:29:11,414 INFO L93 Difference]: Finished difference Result 1328 states and 1837 transitions. [2020-07-07 11:29:11,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 11:29:11,415 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 161 [2020-07-07 11:29:11,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:29:11,421 INFO L225 Difference]: With dead ends: 1328 [2020-07-07 11:29:11,421 INFO L226 Difference]: Without dead ends: 774 [2020-07-07 11:29:11,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2020-07-07 11:29:11,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2020-07-07 11:29:11,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 758. [2020-07-07 11:29:11,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2020-07-07 11:29:11,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 1024 transitions. [2020-07-07 11:29:11,475 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 1024 transitions. Word has length 161 [2020-07-07 11:29:11,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:29:11,476 INFO L479 AbstractCegarLoop]: Abstraction has 758 states and 1024 transitions. [2020-07-07 11:29:11,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 11:29:11,476 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1024 transitions. [2020-07-07 11:29:11,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-07-07 11:29:11,480 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:29:11,481 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:29:11,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 11:29:11,481 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:29:11,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:29:11,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1059362159, now seen corresponding path program 1 times [2020-07-07 11:29:11,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:29:11,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132888098] [2020-07-07 11:29:11,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:29:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:29:11,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132888098] [2020-07-07 11:29:11,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870411801] [2020-07-07 11:29:11,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:11,824 INFO L264 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:29:11,836 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:29:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:29:11,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:29:11,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-07 11:29:11,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539263845] [2020-07-07 11:29:11,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:29:11,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:29:11,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:29:11,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:29:11,952 INFO L87 Difference]: Start difference. First operand 758 states and 1024 transitions. Second operand 3 states. [2020-07-07 11:29:12,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:29:12,885 INFO L93 Difference]: Finished difference Result 2248 states and 3089 transitions. [2020-07-07 11:29:12,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:29:12,887 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2020-07-07 11:29:12,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:29:12,898 INFO L225 Difference]: With dead ends: 2248 [2020-07-07 11:29:12,898 INFO L226 Difference]: Without dead ends: 1496 [2020-07-07 11:29:12,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:29:12,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2020-07-07 11:29:12,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 1494. [2020-07-07 11:29:12,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1494 states. [2020-07-07 11:29:12,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 1928 transitions. [2020-07-07 11:29:12,977 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 1928 transitions. Word has length 182 [2020-07-07 11:29:12,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:29:12,979 INFO L479 AbstractCegarLoop]: Abstraction has 1494 states and 1928 transitions. [2020-07-07 11:29:12,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:29:12,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1928 transitions. [2020-07-07 11:29:12,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-07-07 11:29:12,988 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:29:12,988 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, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 11:29:13,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-07 11:29:13,203 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:29:13,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:29:13,204 INFO L82 PathProgramCache]: Analyzing trace with hash 328474082, now seen corresponding path program 1 times [2020-07-07 11:29:13,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:29:13,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846459129] [2020-07-07 11:29:13,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:29:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:13,957 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 84 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 11:29:13,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846459129] [2020-07-07 11:29:13,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304318065] [2020-07-07 11:29:13,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:14,070 INFO L264 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:29:14,078 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:29:14,176 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-07 11:29:14,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:29:14,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2020-07-07 11:29:14,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123762872] [2020-07-07 11:29:14,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:29:14,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:29:14,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:29:14,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:29:14,179 INFO L87 Difference]: Start difference. First operand 1494 states and 1928 transitions. Second operand 3 states. [2020-07-07 11:29:15,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:29:15,173 INFO L93 Difference]: Finished difference Result 3714 states and 4900 transitions. [2020-07-07 11:29:15,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:29:15,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2020-07-07 11:29:15,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:29:15,194 INFO L225 Difference]: With dead ends: 3714 [2020-07-07 11:29:15,194 INFO L226 Difference]: Without dead ends: 2226 [2020-07-07 11:29:15,199 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:29:15,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2226 states. [2020-07-07 11:29:15,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2226 to 2224. [2020-07-07 11:29:15,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2224 states. [2020-07-07 11:29:15,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 2224 states and 2808 transitions. [2020-07-07 11:29:15,284 INFO L78 Accepts]: Start accepts. Automaton has 2224 states and 2808 transitions. Word has length 255 [2020-07-07 11:29:15,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:29:15,286 INFO L479 AbstractCegarLoop]: Abstraction has 2224 states and 2808 transitions. [2020-07-07 11:29:15,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:29:15,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2224 states and 2808 transitions. [2020-07-07 11:29:15,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-07-07 11:29:15,294 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:29:15,294 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 11:29:15,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:15,510 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:29:15,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:29:15,511 INFO L82 PathProgramCache]: Analyzing trace with hash 932664318, now seen corresponding path program 1 times [2020-07-07 11:29:15,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:29:15,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648889348] [2020-07-07 11:29:15,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:29:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:15,931 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 187 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-07 11:29:15,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648889348] [2020-07-07 11:29:15,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413865784] [2020-07-07 11:29:15,932 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:16,079 INFO L264 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:29:16,084 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:29:16,262 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:29:16,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:29:16,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-07 11:29:16,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488485300] [2020-07-07 11:29:16,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 11:29:16,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:29:16,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 11:29:16,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:29:16,266 INFO L87 Difference]: Start difference. First operand 2224 states and 2808 transitions. Second operand 11 states. [2020-07-07 11:29:18,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:29:18,306 INFO L93 Difference]: Finished difference Result 5668 states and 7666 transitions. [2020-07-07 11:29:18,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 11:29:18,307 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 269 [2020-07-07 11:29:18,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:29:18,329 INFO L225 Difference]: With dead ends: 5668 [2020-07-07 11:29:18,330 INFO L226 Difference]: Without dead ends: 3450 [2020-07-07 11:29:18,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2020-07-07 11:29:18,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3450 states. [2020-07-07 11:29:18,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3450 to 3364. [2020-07-07 11:29:18,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3364 states. [2020-07-07 11:29:18,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 3364 states and 4206 transitions. [2020-07-07 11:29:18,439 INFO L78 Accepts]: Start accepts. Automaton has 3364 states and 4206 transitions. Word has length 269 [2020-07-07 11:29:18,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:29:18,439 INFO L479 AbstractCegarLoop]: Abstraction has 3364 states and 4206 transitions. [2020-07-07 11:29:18,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 11:29:18,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3364 states and 4206 transitions. [2020-07-07 11:29:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-07-07 11:29:18,446 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:29:18,446 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 11:29:18,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:18,662 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:29:18,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:29:18,663 INFO L82 PathProgramCache]: Analyzing trace with hash -235882351, now seen corresponding path program 1 times [2020-07-07 11:29:18,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:29:18,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503595406] [2020-07-07 11:29:18,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:29:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:19,071 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-07-07 11:29:19,071 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503595406] [2020-07-07 11:29:19,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075188385] [2020-07-07 11:29:19,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:19,229 INFO L264 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:29:19,237 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:29:19,328 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-07-07 11:29:19,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:29:19,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-07 11:29:19,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280624505] [2020-07-07 11:29:19,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:29:19,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:29:19,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:29:19,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:29:19,332 INFO L87 Difference]: Start difference. First operand 3364 states and 4206 transitions. Second operand 3 states. [2020-07-07 11:29:20,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:29:20,378 INFO L93 Difference]: Finished difference Result 7460 states and 9497 transitions. [2020-07-07 11:29:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:29:20,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 270 [2020-07-07 11:29:20,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:29:20,405 INFO L225 Difference]: With dead ends: 7460 [2020-07-07 11:29:20,405 INFO L226 Difference]: Without dead ends: 4102 [2020-07-07 11:29:20,414 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 276 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:29:20,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4102 states. [2020-07-07 11:29:20,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4102 to 3738. [2020-07-07 11:29:20,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3738 states. [2020-07-07 11:29:20,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 3738 states and 4781 transitions. [2020-07-07 11:29:20,517 INFO L78 Accepts]: Start accepts. Automaton has 3738 states and 4781 transitions. Word has length 270 [2020-07-07 11:29:20,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:29:20,518 INFO L479 AbstractCegarLoop]: Abstraction has 3738 states and 4781 transitions. [2020-07-07 11:29:20,518 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:29:20,518 INFO L276 IsEmpty]: Start isEmpty. Operand 3738 states and 4781 transitions. [2020-07-07 11:29:20,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-07-07 11:29:20,525 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:29:20,525 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:29:20,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:20,740 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:29:20,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:29:20,741 INFO L82 PathProgramCache]: Analyzing trace with hash 374269141, now seen corresponding path program 1 times [2020-07-07 11:29:20,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:29:20,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807059511] [2020-07-07 11:29:20,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:29:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:21,057 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-07-07 11:29:21,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807059511] [2020-07-07 11:29:21,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941442759] [2020-07-07 11:29:21,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:21,179 INFO L264 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:29:21,186 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:29:21,276 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-07-07 11:29:21,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:29:21,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2020-07-07 11:29:21,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217768380] [2020-07-07 11:29:21,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:29:21,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:29:21,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:29:21,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 11:29:21,280 INFO L87 Difference]: Start difference. First operand 3738 states and 4781 transitions. Second operand 3 states. [2020-07-07 11:29:22,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:29:22,403 INFO L93 Difference]: Finished difference Result 7286 states and 9361 transitions. [2020-07-07 11:29:22,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:29:22,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 288 [2020-07-07 11:29:22,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:29:22,420 INFO L225 Difference]: With dead ends: 7286 [2020-07-07 11:29:22,420 INFO L226 Difference]: Without dead ends: 3738 [2020-07-07 11:29:22,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 296 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 11:29:22,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3738 states. [2020-07-07 11:29:22,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3738 to 3738. [2020-07-07 11:29:22,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3738 states. [2020-07-07 11:29:22,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 3738 states and 4570 transitions. [2020-07-07 11:29:22,603 INFO L78 Accepts]: Start accepts. Automaton has 3738 states and 4570 transitions. Word has length 288 [2020-07-07 11:29:22,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:29:22,604 INFO L479 AbstractCegarLoop]: Abstraction has 3738 states and 4570 transitions. [2020-07-07 11:29:22,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:29:22,604 INFO L276 IsEmpty]: Start isEmpty. Operand 3738 states and 4570 transitions. [2020-07-07 11:29:22,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-07-07 11:29:22,613 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:29:22,613 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 11:29:22,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-07 11:29:22,828 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:29:22,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:29:22,828 INFO L82 PathProgramCache]: Analyzing trace with hash 17745246, now seen corresponding path program 1 times [2020-07-07 11:29:22,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:29:22,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769286307] [2020-07-07 11:29:22,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:29:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:23,389 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:29:23,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769286307] [2020-07-07 11:29:23,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020518460] [2020-07-07 11:29:23,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:23,526 INFO L264 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:29:23,533 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:29:23,722 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:29:23,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:29:23,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-07-07 11:29:23,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300679696] [2020-07-07 11:29:23,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 11:29:23,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:29:23,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 11:29:23,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:29:23,726 INFO L87 Difference]: Start difference. First operand 3738 states and 4570 transitions. Second operand 11 states. [2020-07-07 11:29:28,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:29:28,052 INFO L93 Difference]: Finished difference Result 8398 states and 11031 transitions. [2020-07-07 11:29:28,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-07 11:29:28,054 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 317 [2020-07-07 11:29:28,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:29:28,084 INFO L225 Difference]: With dead ends: 8398 [2020-07-07 11:29:28,085 INFO L226 Difference]: Without dead ends: 4850 [2020-07-07 11:29:28,095 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=185, Invalid=465, Unknown=0, NotChecked=0, Total=650 [2020-07-07 11:29:28,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4850 states. [2020-07-07 11:29:28,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4850 to 4810. [2020-07-07 11:29:28,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4810 states. [2020-07-07 11:29:28,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4810 states to 4810 states and 6176 transitions. [2020-07-07 11:29:28,226 INFO L78 Accepts]: Start accepts. Automaton has 4810 states and 6176 transitions. Word has length 317 [2020-07-07 11:29:28,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:29:28,226 INFO L479 AbstractCegarLoop]: Abstraction has 4810 states and 6176 transitions. [2020-07-07 11:29:28,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 11:29:28,227 INFO L276 IsEmpty]: Start isEmpty. Operand 4810 states and 6176 transitions. [2020-07-07 11:29:28,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2020-07-07 11:29:28,241 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:29:28,242 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, 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, 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] [2020-07-07 11:29:28,445 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:28,446 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:29:28,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:29:28,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1906242986, now seen corresponding path program 1 times [2020-07-07 11:29:28,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:29:28,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543829969] [2020-07-07 11:29:28,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:29:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:29,675 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 257 proven. 367 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-07-07 11:29:29,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543829969] [2020-07-07 11:29:29,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850588993] [2020-07-07 11:29:29,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:29,809 INFO L264 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:29:29,815 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:29:29,953 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2020-07-07 11:29:29,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:29:29,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [15] total 16 [2020-07-07 11:29:29,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055302528] [2020-07-07 11:29:29,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:29:29,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:29:29,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:29:29,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-07-07 11:29:29,956 INFO L87 Difference]: Start difference. First operand 4810 states and 6176 transitions. Second operand 3 states. [2020-07-07 11:29:31,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:29:31,044 INFO L93 Difference]: Finished difference Result 9430 states and 12158 transitions. [2020-07-07 11:29:31,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:29:31,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 483 [2020-07-07 11:29:31,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:29:31,089 INFO L225 Difference]: With dead ends: 9430 [2020-07-07 11:29:31,090 INFO L226 Difference]: Without dead ends: 4810 [2020-07-07 11:29:31,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-07-07 11:29:31,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4810 states. [2020-07-07 11:29:31,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4810 to 4810. [2020-07-07 11:29:31,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4810 states. [2020-07-07 11:29:31,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4810 states to 4810 states and 6166 transitions. [2020-07-07 11:29:31,258 INFO L78 Accepts]: Start accepts. Automaton has 4810 states and 6166 transitions. Word has length 483 [2020-07-07 11:29:31,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:29:31,259 INFO L479 AbstractCegarLoop]: Abstraction has 4810 states and 6166 transitions. [2020-07-07 11:29:31,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:29:31,259 INFO L276 IsEmpty]: Start isEmpty. Operand 4810 states and 6166 transitions. [2020-07-07 11:29:31,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2020-07-07 11:29:31,276 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:29:31,276 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, 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:29:31,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:31,492 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:29:31,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:29:31,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1763472538, now seen corresponding path program 1 times [2020-07-07 11:29:31,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:29:31,493 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700466727] [2020-07-07 11:29:31,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:29:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:32,762 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 257 proven. 381 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2020-07-07 11:29:32,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700466727] [2020-07-07 11:29:32,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184433697] [2020-07-07 11:29:32,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:32,906 INFO L264 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:29:32,916 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:29:33,064 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2020-07-07 11:29:33,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:29:33,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [15] total 16 [2020-07-07 11:29:33,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063919557] [2020-07-07 11:29:33,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:29:33,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:29:33,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:29:33,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-07-07 11:29:33,067 INFO L87 Difference]: Start difference. First operand 4810 states and 6166 transitions. Second operand 3 states. [2020-07-07 11:29:34,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:29:34,047 INFO L93 Difference]: Finished difference Result 6868 states and 8801 transitions. [2020-07-07 11:29:34,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:29:34,047 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 497 [2020-07-07 11:29:34,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:29:34,080 INFO L225 Difference]: With dead ends: 6868 [2020-07-07 11:29:34,080 INFO L226 Difference]: Without dead ends: 6866 [2020-07-07 11:29:34,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 517 GetRequests, 503 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-07-07 11:29:34,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6866 states. [2020-07-07 11:29:34,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6866 to 5186. [2020-07-07 11:29:34,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5186 states. [2020-07-07 11:29:34,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5186 states to 5186 states and 6607 transitions. [2020-07-07 11:29:34,229 INFO L78 Accepts]: Start accepts. Automaton has 5186 states and 6607 transitions. Word has length 497 [2020-07-07 11:29:34,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:29:34,231 INFO L479 AbstractCegarLoop]: Abstraction has 5186 states and 6607 transitions. [2020-07-07 11:29:34,231 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:29:34,231 INFO L276 IsEmpty]: Start isEmpty. Operand 5186 states and 6607 transitions. [2020-07-07 11:29:34,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-07-07 11:29:34,243 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:29:34,243 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, 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:29:34,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 11:29:34,457 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:29:34,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:29:34,457 INFO L82 PathProgramCache]: Analyzing trace with hash -2101307638, now seen corresponding path program 1 times [2020-07-07 11:29:34,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:29:34,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062015303] [2020-07-07 11:29:34,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:29:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:35,671 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 257 proven. 395 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2020-07-07 11:29:35,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062015303] [2020-07-07 11:29:35,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944556695] [2020-07-07 11:29:35,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:35,819 INFO L264 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:29:35,825 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:29:35,951 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2020-07-07 11:29:35,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:29:35,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [15] total 16 [2020-07-07 11:29:35,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092474014] [2020-07-07 11:29:35,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:29:35,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:29:35,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:29:35,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-07-07 11:29:35,954 INFO L87 Difference]: Start difference. First operand 5186 states and 6607 transitions. Second operand 3 states. [2020-07-07 11:29:36,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:29:36,919 INFO L93 Difference]: Finished difference Result 11302 states and 14531 transitions. [2020-07-07 11:29:36,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:29:36,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 531 [2020-07-07 11:29:36,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:29:36,921 INFO L225 Difference]: With dead ends: 11302 [2020-07-07 11:29:36,921 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 11:29:36,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 537 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-07-07 11:29:36,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 11:29:36,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 11:29:36,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 11:29:36,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 11:29:36,962 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 531 [2020-07-07 11:29:36,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:29:36,963 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 11:29:36,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:29:36,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 11:29:36,963 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 11:29:37,177 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:37,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 11:29:37,638 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 48 [2020-07-07 11:29:37,839 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 48 [2020-07-07 11:29:38,591 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 30 [2020-07-07 11:29:38,748 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2020-07-07 11:29:38,888 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2020-07-07 11:29:38,892 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:29:38,893 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a24~0 |old(~a24~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-07-07 11:29:38,893 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:29:38,893 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-07-07 11:29:38,893 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-07-07 11:29:38,893 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,893 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,894 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,894 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-07-07 11:29:38,894 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-07 11:29:38,894 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-07 11:29:38,894 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-07 11:29:38,894 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-07-07 11:29:38,894 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-07-07 11:29:38,894 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-07-07 11:29:38,895 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-07-07 11:29:38,895 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,895 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,895 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,895 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-07-07 11:29:38,895 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-07-07 11:29:38,895 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-07 11:29:38,895 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-07 11:29:38,896 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-07 11:29:38,896 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-07-07 11:29:38,896 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-07-07 11:29:38,896 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-07-07 11:29:38,896 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,897 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,897 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,897 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-07-07 11:29:38,897 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-07 11:29:38,897 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-07 11:29:38,897 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-07 11:29:38,897 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-07-07 11:29:38,897 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-07-07 11:29:38,898 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-07-07 11:29:38,898 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-07-07 11:29:38,898 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-07-07 11:29:38,898 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,898 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,898 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,898 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-07-07 11:29:38,898 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-07 11:29:38,899 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-07 11:29:38,899 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-07 11:29:38,899 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-07-07 11:29:38,899 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-07-07 11:29:38,899 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-07-07 11:29:38,899 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,899 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,899 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,900 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-07-07 11:29:38,900 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-07 11:29:38,900 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-07 11:29:38,900 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-07 11:29:38,900 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-07-07 11:29:38,900 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-07-07 11:29:38,900 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-07-07 11:29:38,900 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-07-07 11:29:38,901 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-07-07 11:29:38,901 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,901 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,901 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,901 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,901 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-07-07 11:29:38,901 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-07 11:29:38,901 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-07 11:29:38,902 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-07 11:29:38,902 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-07-07 11:29:38,902 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-07-07 11:29:38,902 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-07-07 11:29:38,902 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-07-07 11:29:38,902 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,902 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,902 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,902 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-07 11:29:38,903 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-07 11:29:38,903 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-07 11:29:38,903 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-07-07 11:29:38,903 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-07-07 11:29:38,903 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-07-07 11:29:38,903 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-07-07 11:29:38,903 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-07-07 11:29:38,903 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,904 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,904 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,904 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-07-07 11:29:38,904 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-07-07 11:29:38,904 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-07 11:29:38,904 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-07 11:29:38,904 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-07 11:29:38,904 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-07-07 11:29:38,913 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)))) (and (or .cse0 (not (<= |old(~a15~0)| 5))) (or .cse0 (not (<= 7 |old(~a15~0)|))) (or (not (<= |old(~a21~0)| 6)) .cse0) (or .cse0 (not (<= 8 |old(~a21~0)|))))) [2020-07-07 11:29:38,913 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-07-07 11:29:38,914 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-07-07 11:29:38,914 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,914 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,914 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,914 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-07 11:29:38,914 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-07 11:29:38,914 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-07 11:29:38,914 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-07-07 11:29:38,914 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-07-07 11:29:38,915 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-07-07 11:29:38,915 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-07-07 11:29:38,915 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-07-07 11:29:38,915 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,915 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,915 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,916 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-07-07 11:29:38,916 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-07-07 11:29:38,916 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-07 11:29:38,916 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-07 11:29:38,917 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-07 11:29:38,917 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-07-07 11:29:38,917 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-07-07 11:29:38,917 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-07-07 11:29:38,917 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,917 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,917 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,917 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-07-07 11:29:38,917 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-07 11:29:38,918 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-07 11:29:38,918 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-07 11:29:38,918 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-07-07 11:29:38,918 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-07-07 11:29:38,918 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-07-07 11:29:38,918 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-07-07 11:29:38,920 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,920 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,920 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,920 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-07-07 11:29:38,920 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-07 11:29:38,920 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-07 11:29:38,920 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-07 11:29:38,920 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-07-07 11:29:38,921 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-07-07 11:29:38,921 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-07-07 11:29:38,921 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-07-07 11:29:38,921 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,921 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,921 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-07-07 11:29:38,921 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-07 11:29:38,921 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-07 11:29:38,921 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-07-07 11:29:38,922 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-07-07 11:29:38,922 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-07-07 11:29:38,922 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-07-07 11:29:38,922 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-07-07 11:29:38,922 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2020-07-07 11:29:38,922 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,922 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,922 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-07-07 11:29:38,922 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-07 11:29:38,923 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-07 11:29:38,923 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-07-07 11:29:38,923 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-07-07 11:29:38,923 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-07-07 11:29:38,923 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,923 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,923 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-07-07 11:29:38,923 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-07-07 11:29:38,923 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-07 11:29:38,924 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-07 11:29:38,924 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-07-07 11:29:38,924 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-07-07 11:29:38,924 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-07-07 11:29:38,924 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-07-07 11:29:38,924 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,924 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,924 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-07-07 11:29:38,924 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-07-07 11:29:38,925 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-07 11:29:38,925 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-07 11:29:38,925 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-07-07 11:29:38,925 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-07-07 11:29:38,925 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-07-07 11:29:38,925 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,925 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,925 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,925 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-07-07 11:29:38,925 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-07-07 11:29:38,926 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-07 11:29:38,926 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-07 11:29:38,926 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-07-07 11:29:38,926 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-07-07 11:29:38,926 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,926 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,926 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-07 11:29:38,926 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,926 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-07-07 11:29:38,927 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-07-07 11:29:38,927 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-07-07 11:29:38,927 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-07 11:29:38,927 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-07 11:29:38,927 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-07 11:29:38,927 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-07-07 11:29:38,927 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-07-07 11:29:38,927 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-07-07 11:29:38,927 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-07-07 11:29:38,927 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,928 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,928 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,928 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-07-07 11:29:38,928 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-07 11:29:38,928 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-07 11:29:38,928 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-07 11:29:38,928 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-07-07 11:29:38,928 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-07-07 11:29:38,928 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-07-07 11:29:38,929 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-07-07 11:29:38,929 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,929 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,929 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,929 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-07-07 11:29:38,929 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-07-07 11:29:38,929 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-07 11:29:38,929 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-07 11:29:38,929 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-07 11:29:38,929 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-07-07 11:29:38,930 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-07-07 11:29:38,930 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-07-07 11:29:38,930 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,930 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,930 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,930 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-07-07 11:29:38,930 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-07 11:29:38,930 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-07 11:29:38,930 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-07 11:29:38,931 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-07-07 11:29:38,931 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-07-07 11:29:38,931 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-07-07 11:29:38,931 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-07-07 11:29:38,931 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-07-07 11:29:38,931 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,931 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,931 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:38,931 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-07-07 11:29:38,931 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-07 11:29:38,932 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-07 11:29:38,932 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-07 11:29:38,932 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-07-07 11:29:38,932 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:29:38,932 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a24~0 1) (<= (+ ~a12~0 49) 0) (<= 7 ~a15~0) (= 7 ~a21~0) (<= ~a15~0 8)) [2020-07-07 11:29:38,934 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 11:29:38,935 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:29:38,935 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= |old(~a24~0)| 1)) (not (= 7 |old(~a21~0)|)) (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8))) [2020-07-07 11:29:38,936 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-07-07 11:29:38,937 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (<= |old(~a24~0)| 1)) (not (= 7 |old(~a21~0)|)) (<= ~a15~0 5) (<= 7 ~a15~0) (<= ~a21~0 6) (not (<= (+ |old(~a12~0)| 49) 0)) (<= 8 ~a21~0) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8))) [2020-07-07 11:29:38,937 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-07-07 11:29:38,937 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-07-07 11:29:38,937 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (not (<= |old(~a24~0)| 1)) (not (= 7 |old(~a21~0)|)) (<= ~a15~0 5) (<= 7 ~a15~0) (<= ~a21~0 6) (not (<= (+ |old(~a12~0)| 49) 0)) (<= 8 ~a21~0) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8))) [2020-07-07 11:29:38,937 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-07-07 11:29:38,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 11:29:38 BoogieIcfgContainer [2020-07-07 11:29:38,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 11:29:38,970 INFO L168 Benchmark]: Toolchain (without parser) took 38014.95 ms. Allocated memory was 145.2 MB in the beginning and 1.0 GB in the end (delta: 880.3 MB). Free memory was 99.5 MB in the beginning and 492.8 MB in the end (delta: -393.3 MB). Peak memory consumption was 487.0 MB. Max. memory is 7.1 GB. [2020-07-07 11:29:38,971 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 11:29:38,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 953.25 ms. Allocated memory was 145.2 MB in the beginning and 205.5 MB in the end (delta: 60.3 MB). Free memory was 99.3 MB in the beginning and 168.2 MB in the end (delta: -69.0 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. [2020-07-07 11:29:38,982 INFO L168 Benchmark]: Boogie Preprocessor took 149.73 ms. Allocated memory is still 205.5 MB. Free memory was 168.2 MB in the beginning and 162.5 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2020-07-07 11:29:38,986 INFO L168 Benchmark]: RCFGBuilder took 1596.54 ms. Allocated memory was 205.5 MB in the beginning and 238.0 MB in the end (delta: 32.5 MB). Free memory was 162.5 MB in the beginning and 158.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. [2020-07-07 11:29:38,987 INFO L168 Benchmark]: TraceAbstraction took 35310.29 ms. Allocated memory was 238.0 MB in the beginning and 1.0 GB in the end (delta: 787.5 MB). Free memory was 156.6 MB in the beginning and 492.8 MB in the end (delta: -336.2 MB). Peak memory consumption was 451.3 MB. Max. memory is 7.1 GB. [2020-07-07 11:29:38,995 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 953.25 ms. Allocated memory was 145.2 MB in the beginning and 205.5 MB in the end (delta: 60.3 MB). Free memory was 99.3 MB in the beginning and 168.2 MB in the end (delta: -69.0 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 149.73 ms. Allocated memory is still 205.5 MB. Free memory was 168.2 MB in the beginning and 162.5 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1596.54 ms. Allocated memory was 205.5 MB in the beginning and 238.0 MB in the end (delta: 32.5 MB). Free memory was 162.5 MB in the beginning and 158.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35310.29 ms. Allocated memory was 238.0 MB in the beginning and 1.0 GB in the end (delta: 787.5 MB). Free memory was 156.6 MB in the beginning and 492.8 MB in the end (delta: -336.2 MB). Peak memory consumption was 451.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: 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: (((((((!(\old(a24) <= 1) || !(7 == \old(a21))) || a15 <= 5) || 7 <= a15) || a21 <= 6) || !(\old(a12) + 49 <= 0)) || 8 <= a21) || !(7 <= \old(a15))) || !(\old(a15) <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 33.4s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 20.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1822 SDtfs, 5338 SDslu, 357 SDs, 0 SdLazy, 10815 SolverSat, 2583 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3284 GetRequests, 3153 SyntacticMatches, 3 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5186occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 2378 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 262 PreInvPairs, 398 NumberOfFragments, 229 HoareAnnotationTreeSize, 262 FomulaSimplifications, 32458 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3639 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 6394 NumberOfCodeBlocks, 6394 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 6374 ConstructedInterpolants, 0 QuantifiedInterpolants, 11006955 SizeOfPredicates, 14 NumberOfNonLiveVariables, 4924 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 20 InterpolantComputations, 9 PerfectInterpolantSequences, 5324/6548 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...