/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/Problem01_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 11:23:18,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 11:23:18,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 11:23:18,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 11:23:18,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 11:23:18,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 11:23:18,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 11:23:18,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 11:23:18,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 11:23:18,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 11:23:18,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 11:23:18,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 11:23:18,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 11:23:18,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 11:23:18,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 11:23:18,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 11:23:18,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 11:23:18,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 11:23:18,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 11:23:18,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 11:23:18,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 11:23:18,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 11:23:18,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 11:23:18,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 11:23:18,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 11:23:18,698 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 11:23:18,713 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 11:23:18,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 11:23:18,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 11:23:18,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 11:23:18,714 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 11:23:18,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 11:23:18,715 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 11:23:18,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 11:23:18,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 11:23:18,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 11:23:18,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 11:23:18,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 11:23:18,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 11:23:18,716 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 11:23:18,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 11:23:18,716 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 11:23:18,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 11:23:18,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 11:23:18,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 11:23:18,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 11:23:18,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 11:23:18,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:23:18,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 11:23:18,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 11:23:18,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 11:23:18,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 11:23:18,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 11:23:18,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 11:23:18,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 11:23:18,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 11:23:18,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 11:23:19,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 11:23:19,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 11:23:19,014 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 11:23:19,014 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 11:23:19,015 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41.c [2020-07-07 11:23:19,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00787c4ff/bf5233cd7a1c4e5494f3297c7014161c/FLAGfff828bf8 [2020-07-07 11:23:19,631 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 11:23:19,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label41.c [2020-07-07 11:23:19,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00787c4ff/bf5233cd7a1c4e5494f3297c7014161c/FLAGfff828bf8 [2020-07-07 11:23:19,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00787c4ff/bf5233cd7a1c4e5494f3297c7014161c [2020-07-07 11:23:19,927 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 11:23:19,929 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 11:23:19,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 11:23:19,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 11:23:19,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 11:23:19,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:23:19" (1/1) ... [2020-07-07 11:23:19,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de36573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:23:19, skipping insertion in model container [2020-07-07 11:23:19,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:23:19" (1/1) ... [2020-07-07 11:23:19,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 11:23:20,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 11:23:20,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:23:20,496 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 11:23:20,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:23:20,642 INFO L208 MainTranslator]: Completed translation [2020-07-07 11:23:20,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:23:20 WrapperNode [2020-07-07 11:23:20,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 11:23:20,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 11:23:20,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 11:23:20,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 11:23:20,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:23:20" (1/1) ... [2020-07-07 11:23:20,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:23:20" (1/1) ... [2020-07-07 11:23:20,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:23:20" (1/1) ... [2020-07-07 11:23:20,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:23:20" (1/1) ... [2020-07-07 11:23:20,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:23:20" (1/1) ... [2020-07-07 11:23:20,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:23:20" (1/1) ... [2020-07-07 11:23:20,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:23:20" (1/1) ... [2020-07-07 11:23:20,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 11:23:20,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 11:23:20,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 11:23:20,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 11:23:20,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:23:20" (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 11:23:20,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 11:23:20,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 11:23:20,831 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-07 11:23:20,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 11:23:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-07 11:23:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 11:23:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 11:23:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-07 11:23:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 11:23:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 11:23:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 11:23:21,904 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 11:23:21,904 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 11:23:21,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:23:21 BoogieIcfgContainer [2020-07-07 11:23:21,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 11:23:21,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 11:23:21,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 11:23:21,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 11:23:21,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 11:23:19" (1/3) ... [2020-07-07 11:23:21,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c93c7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:23:21, skipping insertion in model container [2020-07-07 11:23:21,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:23:20" (2/3) ... [2020-07-07 11:23:21,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c93c7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:23:21, skipping insertion in model container [2020-07-07 11:23:21,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:23:21" (3/3) ... [2020-07-07 11:23:21,925 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label41.c [2020-07-07 11:23:21,935 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 11:23:21,943 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 11:23:21,957 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 11:23:21,986 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 11:23:21,986 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 11:23:21,986 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 11:23:21,986 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 11:23:21,987 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 11:23:21,987 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 11:23:21,987 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 11:23:21,988 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 11:23:22,022 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-07 11:23:22,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-07 11:23:22,041 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:23:22,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:22,043 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:23:22,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:23:22,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1692915649, now seen corresponding path program 1 times [2020-07-07 11:23:22,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:23:22,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99382088] [2020-07-07 11:23:22,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:23:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:22,693 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 11:23:22,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99382088] [2020-07-07 11:23:22,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:23:22,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 11:23:22,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809462054] [2020-07-07 11:23:22,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:23:22,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:23:22,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:23:22,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:23:22,728 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-07-07 11:23:24,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:23:24,117 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-07-07 11:23:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 11:23:24,119 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-07-07 11:23:24,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:23:24,134 INFO L225 Difference]: With dead ends: 557 [2020-07-07 11:23:24,135 INFO L226 Difference]: Without dead ends: 286 [2020-07-07 11:23:24,141 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-07 11:23:24,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-07 11:23:24,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-07-07 11:23:24,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-07 11:23:24,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2020-07-07 11:23:24,212 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 91 [2020-07-07 11:23:24,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:23:24,212 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2020-07-07 11:23:24,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:23:24,213 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2020-07-07 11:23:24,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-07-07 11:23:24,218 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:23:24,218 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-07 11:23:24,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 11:23:24,219 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:23:24,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:23:24,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1768869960, now seen corresponding path program 1 times [2020-07-07 11:23:24,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:23:24,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085138329] [2020-07-07 11:23:24,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:23:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:24,449 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:23:24,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085138329] [2020-07-07 11:23:24,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:23:24,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 11:23:24,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730566626] [2020-07-07 11:23:24,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 11:23:24,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:23:24,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 11:23:24,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:23:24,453 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 9 states. [2020-07-07 11:23:25,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:23:25,846 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2020-07-07 11:23:25,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 11:23:25,848 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 101 [2020-07-07 11:23:25,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:23:25,854 INFO L225 Difference]: With dead ends: 713 [2020-07-07 11:23:25,855 INFO L226 Difference]: Without dead ends: 439 [2020-07-07 11:23:25,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-07-07 11:23:25,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-07-07 11:23:25,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2020-07-07 11:23:25,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-07-07 11:23:25,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2020-07-07 11:23:25,918 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 101 [2020-07-07 11:23:25,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:23:25,918 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2020-07-07 11:23:25,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 11:23:25,918 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2020-07-07 11:23:25,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-07 11:23:25,921 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:23:25,922 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-07 11:23:25,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 11:23:25,922 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:23:25,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:23:25,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1027824070, now seen corresponding path program 1 times [2020-07-07 11:23:25,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:23:25,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627306679] [2020-07-07 11:23:25,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:23:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:26,117 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:23:26,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627306679] [2020-07-07 11:23:26,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387200542] [2020-07-07 11:23:26,118 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 11:23:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:26,222 INFO L264 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-07 11:23:26,243 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:23:26,334 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:23:26,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:23:26,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-07 11:23:26,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140203472] [2020-07-07 11:23:26,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:23:26,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:23:26,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:23:26,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-07 11:23:26,339 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2020-07-07 11:23:26,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:23:26,892 INFO L93 Difference]: Finished difference Result 1247 states and 1787 transitions. [2020-07-07 11:23:26,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:23:26,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-07-07 11:23:26,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:23:26,899 INFO L225 Difference]: With dead ends: 1247 [2020-07-07 11:23:26,899 INFO L226 Difference]: Without dead ends: 832 [2020-07-07 11:23:26,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-07 11:23:26,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-07-07 11:23:26,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2020-07-07 11:23:26,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-07-07 11:23:26,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1144 transitions. [2020-07-07 11:23:26,939 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1144 transitions. Word has length 102 [2020-07-07 11:23:26,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:23:26,940 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1144 transitions. [2020-07-07 11:23:26,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:23:26,940 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1144 transitions. [2020-07-07 11:23:26,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-07-07 11:23:26,945 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:23:26,945 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:27,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-07 11:23:27,160 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:23:27,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:23:27,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1016446174, now seen corresponding path program 1 times [2020-07-07 11:23:27,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:23:27,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677002978] [2020-07-07 11:23:27,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:23:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:27,352 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:23:27,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677002978] [2020-07-07 11:23:27,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:23:27,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 11:23:27,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916865445] [2020-07-07 11:23:27,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 11:23:27,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:23:27,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 11:23:27,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:23:27,357 INFO L87 Difference]: Start difference. First operand 832 states and 1144 transitions. Second operand 9 states. [2020-07-07 11:23:29,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:23:29,188 INFO L93 Difference]: Finished difference Result 2808 states and 4147 transitions. [2020-07-07 11:23:29,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 11:23:29,189 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 116 [2020-07-07 11:23:29,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:23:29,208 INFO L225 Difference]: With dead ends: 2808 [2020-07-07 11:23:29,208 INFO L226 Difference]: Without dead ends: 1982 [2020-07-07 11:23:29,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-07-07 11:23:29,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2020-07-07 11:23:29,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1543. [2020-07-07 11:23:29,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1543 states. [2020-07-07 11:23:29,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2052 transitions. [2020-07-07 11:23:29,310 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2052 transitions. Word has length 116 [2020-07-07 11:23:29,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:23:29,311 INFO L479 AbstractCegarLoop]: Abstraction has 1543 states and 2052 transitions. [2020-07-07 11:23:29,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 11:23:29,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2052 transitions. [2020-07-07 11:23:29,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-07 11:23:29,317 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:23:29,317 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:29,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 11:23:29,318 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:23:29,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:23:29,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1605716217, now seen corresponding path program 1 times [2020-07-07 11:23:29,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:23:29,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235853310] [2020-07-07 11:23:29,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:23:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:29,526 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:23:29,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235853310] [2020-07-07 11:23:29,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772848450] [2020-07-07 11:23:29,527 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 11:23:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:29,641 INFO L264 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-07 11:23:29,646 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:23:29,686 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:23:29,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:23:29,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2020-07-07 11:23:29,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174249923] [2020-07-07 11:23:29,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 11:23:29,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:23:29,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 11:23:29,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:23:29,690 INFO L87 Difference]: Start difference. First operand 1543 states and 2052 transitions. Second operand 9 states. [2020-07-07 11:23:30,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:23:30,932 INFO L93 Difference]: Finished difference Result 3541 states and 4910 transitions. [2020-07-07 11:23:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 11:23:30,933 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 133 [2020-07-07 11:23:30,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:23:30,947 INFO L225 Difference]: With dead ends: 3541 [2020-07-07 11:23:30,948 INFO L226 Difference]: Without dead ends: 2004 [2020-07-07 11:23:30,954 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-07-07 11:23:30,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2020-07-07 11:23:31,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1684. [2020-07-07 11:23:31,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2020-07-07 11:23:31,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2237 transitions. [2020-07-07 11:23:31,036 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2237 transitions. Word has length 133 [2020-07-07 11:23:31,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:23:31,036 INFO L479 AbstractCegarLoop]: Abstraction has 1684 states and 2237 transitions. [2020-07-07 11:23:31,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 11:23:31,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2237 transitions. [2020-07-07 11:23:31,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-07-07 11:23:31,045 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:23:31,045 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:31,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:23:31,259 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:23:31,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:23:31,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1001122943, now seen corresponding path program 1 times [2020-07-07 11:23:31,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:23:31,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280300091] [2020-07-07 11:23:31,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:23:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:31,497 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:23:31,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280300091] [2020-07-07 11:23:31,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637268968] [2020-07-07 11:23:31,500 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 11:23:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:31,596 INFO L264 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-07 11:23:31,614 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:23:31,710 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-07 11:23:31,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:23:31,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 10 [2020-07-07 11:23:31,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186269728] [2020-07-07 11:23:31,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 11:23:31,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:23:31,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 11:23:31,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-07 11:23:31,712 INFO L87 Difference]: Start difference. First operand 1684 states and 2237 transitions. Second operand 10 states. [2020-07-07 11:23:34,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:23:34,100 INFO L93 Difference]: Finished difference Result 3998 states and 5549 transitions. [2020-07-07 11:23:34,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-07 11:23:34,100 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 137 [2020-07-07 11:23:34,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:23:34,113 INFO L225 Difference]: With dead ends: 3998 [2020-07-07 11:23:34,113 INFO L226 Difference]: Without dead ends: 2320 [2020-07-07 11:23:34,119 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 147 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2020-07-07 11:23:34,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2320 states. [2020-07-07 11:23:34,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2320 to 1712. [2020-07-07 11:23:34,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1712 states. [2020-07-07 11:23:34,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2129 transitions. [2020-07-07 11:23:34,189 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2129 transitions. Word has length 137 [2020-07-07 11:23:34,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:23:34,190 INFO L479 AbstractCegarLoop]: Abstraction has 1712 states and 2129 transitions. [2020-07-07 11:23:34,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 11:23:34,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2129 transitions. [2020-07-07 11:23:34,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-07 11:23:34,195 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:23:34,196 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:34,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:23:34,410 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:23:34,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:23:34,411 INFO L82 PathProgramCache]: Analyzing trace with hash 152592045, now seen corresponding path program 1 times [2020-07-07 11:23:34,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:23:34,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722375990] [2020-07-07 11:23:34,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:23:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:34,657 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:23:34,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722375990] [2020-07-07 11:23:34,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310143427] [2020-07-07 11:23:34,658 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 11:23:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:34,787 INFO L264 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-07 11:23:34,791 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:23:34,872 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:23:34,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:23:34,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2020-07-07 11:23:34,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532945469] [2020-07-07 11:23:34,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 11:23:34,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:23:34,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 11:23:34,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:23:34,876 INFO L87 Difference]: Start difference. First operand 1712 states and 2129 transitions. Second operand 9 states. [2020-07-07 11:23:35,042 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-07-07 11:23:36,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:23:36,526 INFO L93 Difference]: Finished difference Result 4034 states and 5234 transitions. [2020-07-07 11:23:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 11:23:36,526 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2020-07-07 11:23:36,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:23:36,539 INFO L225 Difference]: With dead ends: 4034 [2020-07-07 11:23:36,539 INFO L226 Difference]: Without dead ends: 2328 [2020-07-07 11:23:36,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-07-07 11:23:36,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2328 states. [2020-07-07 11:23:36,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2328 to 2155. [2020-07-07 11:23:36,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2155 states. [2020-07-07 11:23:36,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2721 transitions. [2020-07-07 11:23:36,611 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2721 transitions. Word has length 157 [2020-07-07 11:23:36,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:23:36,612 INFO L479 AbstractCegarLoop]: Abstraction has 2155 states and 2721 transitions. [2020-07-07 11:23:36,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 11:23:36,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2721 transitions. [2020-07-07 11:23:36,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-07-07 11:23:36,618 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:23:36,619 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:23:36,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:23:36,832 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:23:36,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:23:36,832 INFO L82 PathProgramCache]: Analyzing trace with hash 97285180, now seen corresponding path program 1 times [2020-07-07 11:23:36,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:23:36,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910907455] [2020-07-07 11:23:36,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:23:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:37,124 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 83 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-07 11:23:37,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910907455] [2020-07-07 11:23:37,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988995889] [2020-07-07 11:23:37,126 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 11:23:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:37,256 INFO L264 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:23:37,263 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:23:37,336 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-07 11:23:37,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:23:37,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-07-07 11:23:37,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334547691] [2020-07-07 11:23:37,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 11:23:37,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:23:37,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 11:23:37,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:23:37,339 INFO L87 Difference]: Start difference. First operand 2155 states and 2721 transitions. Second operand 11 states. [2020-07-07 11:23:40,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:23:40,695 INFO L93 Difference]: Finished difference Result 4869 states and 6514 transitions. [2020-07-07 11:23:40,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-07 11:23:40,696 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 173 [2020-07-07 11:23:40,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:23:40,710 INFO L225 Difference]: With dead ends: 4869 [2020-07-07 11:23:40,710 INFO L226 Difference]: Without dead ends: 2720 [2020-07-07 11:23:40,716 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=219, Invalid=773, Unknown=0, NotChecked=0, Total=992 [2020-07-07 11:23:40,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2720 states. [2020-07-07 11:23:40,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2720 to 2604. [2020-07-07 11:23:40,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2604 states. [2020-07-07 11:23:40,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 2604 states and 3140 transitions. [2020-07-07 11:23:40,801 INFO L78 Accepts]: Start accepts. Automaton has 2604 states and 3140 transitions. Word has length 173 [2020-07-07 11:23:40,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:23:40,801 INFO L479 AbstractCegarLoop]: Abstraction has 2604 states and 3140 transitions. [2020-07-07 11:23:40,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 11:23:40,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2604 states and 3140 transitions. [2020-07-07 11:23:40,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-07 11:23:40,808 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:23:40,809 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:41,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:23:41,024 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:23:41,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:23:41,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1408801773, now seen corresponding path program 1 times [2020-07-07 11:23:41,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:23:41,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484899181] [2020-07-07 11:23:41,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:23:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:41,281 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 108 proven. 26 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-07-07 11:23:41,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484899181] [2020-07-07 11:23:41,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109207172] [2020-07-07 11:23:41,282 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 11:23:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:41,396 INFO L264 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-07 11:23:41,399 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:23:41,457 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 86 proven. 54 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-07-07 11:23:41,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:23:41,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 10 [2020-07-07 11:23:41,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673883725] [2020-07-07 11:23:41,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 11:23:41,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:23:41,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 11:23:41,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-07 11:23:41,461 INFO L87 Difference]: Start difference. First operand 2604 states and 3140 transitions. Second operand 10 states. [2020-07-07 11:23:45,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:23:45,204 INFO L93 Difference]: Finished difference Result 7001 states and 8774 transitions. [2020-07-07 11:23:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-07 11:23:45,205 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2020-07-07 11:23:45,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:23:45,205 INFO L225 Difference]: With dead ends: 7001 [2020-07-07 11:23:45,205 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 11:23:45,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=165, Invalid=485, Unknown=0, NotChecked=0, Total=650 [2020-07-07 11:23:45,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 11:23:45,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 11:23:45,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 11:23:45,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 11:23:45,221 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2020-07-07 11:23:45,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:23:45,221 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 11:23:45,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 11:23:45,222 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 11:23:45,222 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 11:23:45,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:23:45,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 11:23:46,307 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 253 [2020-07-07 11:23:46,637 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 253 [2020-07-07 11:23:47,777 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 195 DAG size of output: 55 [2020-07-07 11:23:49,170 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 239 DAG size of output: 68 [2020-07-07 11:23:50,482 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 239 DAG size of output: 68 [2020-07-07 11:23:50,487 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:23:50,487 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-07 11:23:50,488 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:23:50,488 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-07 11:23:50,488 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-07 11:23:50,488 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,488 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,489 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,489 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,489 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,489 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,489 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-07 11:23:50,490 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-07 11:23:50,490 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-07 11:23:50,490 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-07 11:23:50,490 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-07 11:23:50,490 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-07 11:23:50,490 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-07 11:23:50,490 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-07 11:23:50,491 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-07 11:23:50,491 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-07 11:23:50,491 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,491 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,491 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,491 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,491 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,491 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,492 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-07 11:23:50,492 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-07 11:23:50,492 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-07 11:23:50,492 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-07 11:23:50,492 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-07 11:23:50,492 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-07 11:23:50,492 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-07 11:23:50,492 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-07 11:23:50,492 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-07 11:23:50,492 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-07 11:23:50,492 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-07 11:23:50,493 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 431) no Hoare annotation was computed. [2020-07-07 11:23:50,493 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-07 11:23:50,493 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-07 11:23:50,493 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-07 11:23:50,493 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-07 11:23:50,493 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,493 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,493 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,493 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,493 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,493 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-07 11:23:50,493 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-07 11:23:50,493 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-07 11:23:50,494 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-07 11:23:50,494 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-07 11:23:50,494 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-07 11:23:50,494 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-07 11:23:50,494 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-07 11:23:50,494 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-07 11:23:50,494 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,494 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,494 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,494 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,495 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,495 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-07 11:23:50,495 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-07 11:23:50,495 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-07 11:23:50,495 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-07 11:23:50,495 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-07 11:23:50,495 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-07 11:23:50,495 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-07 11:23:50,495 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-07 11:23:50,496 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-07 11:23:50,496 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-07 11:23:50,496 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-07 11:23:50,496 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-07 11:23:50,496 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-07 11:23:50,496 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,496 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,496 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,496 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,497 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,497 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-07 11:23:50,497 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-07 11:23:50,497 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-07 11:23:50,497 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-07 11:23:50,497 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-07 11:23:50,497 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-07 11:23:50,497 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-07 11:23:50,497 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-07 11:23:50,498 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-07 11:23:50,498 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,498 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,498 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,498 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,498 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,498 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,498 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-07 11:23:50,498 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,498 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-07 11:23:50,498 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-07 11:23:50,498 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-07 11:23:50,498 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-07 11:23:50,498 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-07 11:23:50,499 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-07 11:23:50,499 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-07 11:23:50,499 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-07 11:23:50,499 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-07 11:23:50,499 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-07 11:23:50,499 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-07 11:23:50,499 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-07 11:23:50,499 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-07 11:23:50,499 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,499 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,499 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,499 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,499 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,499 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-07 11:23:50,500 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-07 11:23:50,500 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-07 11:23:50,500 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-07 11:23:50,500 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-07 11:23:50,500 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-07 11:23:50,500 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-07 11:23:50,500 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-07 11:23:50,500 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,500 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,501 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,501 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,501 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,501 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-07 11:23:50,501 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-07 11:23:50,501 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-07 11:23:50,501 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-07 11:23:50,501 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-07 11:23:50,501 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-07 11:23:50,501 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-07 11:23:50,501 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-07 11:23:50,501 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-07 11:23:50,502 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-07 11:23:50,502 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse9 (= ~a7~0 |old(~a7~0)|)) (.cse10 (= ~a17~0 |old(~a17~0)|)) (.cse11 (= ~a16~0 |old(~a16~0)|)) (.cse12 (= ~a8~0 |old(~a8~0)|)) (.cse13 (= ~a20~0 |old(~a20~0)|))) (let ((.cse7 (not (<= 15 |old(~a8~0)|))) (.cse2 (not (= 1 |old(~a17~0)|))) (.cse8 (not (= 1 |old(~a20~0)|))) (.cse4 (and .cse9 .cse10 .cse11 .cse12 (= 1 ~a21~0) .cse13)) (.cse5 (not (= 1 |old(~a21~0)|))) (.cse0 (not (<= |old(~a21~0)| 0))) (.cse1 (not (<= |old(~a16~0)| 5))) (.cse3 (and .cse9 .cse10 .cse11 .cse12 .cse13 (= ~a21~0 |old(~a21~0)|))) (.cse6 (not (<= |old(~a17~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6) (or .cse7 .cse4 .cse5 .cse6) (or .cse7 .cse4 .cse2 .cse5) (or .cse8 .cse4 .cse2 .cse5) (or (= 13 |old(~a8~0)|) .cse4 .cse1 .cse2 .cse5) (or .cse8 .cse0 .cse3 .cse6) (or .cse8 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse3 .cse6)))) [2020-07-07 11:23:50,502 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-07 11:23:50,502 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,502 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,502 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,502 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,502 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-07 11:23:50,502 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,503 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,503 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-07 11:23:50,503 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-07 11:23:50,503 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-07 11:23:50,503 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-07 11:23:50,503 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-07 11:23:50,503 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-07 11:23:50,503 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-07 11:23:50,503 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-07 11:23:50,503 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-07 11:23:50,503 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-07 11:23:50,503 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-07 11:23:50,503 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-07 11:23:50,503 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,503 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,504 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,504 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,504 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,504 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-07 11:23:50,504 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,504 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-07 11:23:50,504 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-07 11:23:50,504 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-07 11:23:50,504 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-07 11:23:50,504 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-07 11:23:50,504 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-07 11:23:50,504 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-07 11:23:50,504 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-07 11:23:50,505 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-07 11:23:50,505 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-07 11:23:50,505 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-07 11:23:50,505 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-07 11:23:50,505 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-07 11:23:50,505 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-07 11:23:50,505 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,505 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,506 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,506 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,506 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,506 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:50,506 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-07 11:23:50,506 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-07 11:23:50,506 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-07 11:23:50,506 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-07 11:23:50,507 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-07 11:23:50,507 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-07 11:23:50,507 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-07 11:23:50,507 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-07 11:23:50,507 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-07 11:23:50,507 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-07 11:23:50,507 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:23:50,507 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a17~0) (<= 15 ~a8~0) (= 1 ~a21~0) (= 1 ~a20~0) (= 5 ~a16~0)) [2020-07-07 11:23:50,508 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 11:23:50,508 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:23:50,508 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a16~0)| 5)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a8~0 |old(~a8~0)|) (= 1 ~a21~0) (= 1 ~a20~0) (= 5 ~a16~0)) (not (= 1 |old(~a17~0)|)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a21~0)|))) [2020-07-07 11:23:50,508 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-07 11:23:50,508 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse10 (not (= 1 |old(~a21~0)|)))) (let ((.cse2 (= 1 ~a21~0)) (.cse0 (<= ~a16~0 5)) (.cse1 (= 1 ~a17~0)) (.cse4 (<= 5 ~a16~0)) (.cse8 (<= 15 ~a8~0)) (.cse9 (= ~a21~0 |old(~a21~0)|)) (.cse6 (<= ~a21~0 0)) (.cse7 (<= ~a17~0 0)) (.cse5 (= 1 ~a20~0)) (.cse3 (or (not (= 1 |old(~a7~0)|)) .cse10))) (or (and (not (= 13 ~a8~0)) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse5 .cse3) (and .cse6 .cse7 .cse0 .cse3) (and (= ~a7~0 |old(~a7~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) .cse0 .cse1 .cse2 .cse5) (not (= 1 |old(~a17~0)|)) (and .cse0 .cse1 .cse2 .cse5 .cse3) (not (<= 5 |old(~a16~0)|)) (and .cse7 .cse4 .cse2 .cse5 .cse3) (and .cse1 .cse4 .cse8 .cse3 .cse9) (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (and .cse7 .cse0 .cse2 .cse3) (not (<= |old(~a16~0)| 5)) (and .cse6 .cse0 .cse1 .cse3) .cse10 (and .cse7 .cse4 .cse8 .cse3 .cse9) (and .cse6 .cse7 .cse5 .cse3)))) [2020-07-07 11:23:50,508 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-07 11:23:50,509 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-07 11:23:50,509 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse10 (not (= 1 |old(~a21~0)|)))) (let ((.cse2 (= 1 ~a21~0)) (.cse0 (<= ~a16~0 5)) (.cse1 (= 1 ~a17~0)) (.cse4 (<= 5 ~a16~0)) (.cse8 (<= 15 ~a8~0)) (.cse9 (= ~a21~0 |old(~a21~0)|)) (.cse6 (<= ~a21~0 0)) (.cse7 (<= ~a17~0 0)) (.cse5 (= 1 ~a20~0)) (.cse3 (or (not (= 1 |old(~a7~0)|)) .cse10))) (or (and (not (= 13 ~a8~0)) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse5 .cse3) (and .cse6 .cse7 .cse0 .cse3) (and (= ~a7~0 |old(~a7~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) .cse0 .cse1 .cse2 .cse5) (not (= 1 |old(~a17~0)|)) (and .cse0 .cse1 .cse2 .cse5 .cse3) (not (<= 5 |old(~a16~0)|)) (and .cse7 .cse4 .cse2 .cse5 .cse3) (and .cse1 .cse4 .cse8 .cse3 .cse9) (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (and .cse7 .cse0 .cse2 .cse3) (not (<= |old(~a16~0)| 5)) (and .cse6 .cse0 .cse1 .cse3) .cse10 (and .cse7 .cse4 .cse8 .cse3 .cse9) (and .cse6 .cse7 .cse5 .cse3)))) [2020-07-07 11:23:50,509 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-07 11:23:50,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 11:23:50 BoogieIcfgContainer [2020-07-07 11:23:50,534 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 11:23:50,539 INFO L168 Benchmark]: Toolchain (without parser) took 30607.76 ms. Allocated memory was 135.3 MB in the beginning and 594.5 MB in the end (delta: 459.3 MB). Free memory was 97.9 MB in the beginning and 109.4 MB in the end (delta: -11.4 MB). Peak memory consumption was 484.9 MB. Max. memory is 7.1 GB. [2020-07-07 11:23:50,540 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 135.3 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 11:23:50,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.16 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 97.7 MB in the beginning and 166.8 MB in the end (delta: -69.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2020-07-07 11:23:50,544 INFO L168 Benchmark]: Boogie Preprocessor took 128.72 ms. Allocated memory is still 201.3 MB. Free memory was 166.8 MB in the beginning and 161.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-07-07 11:23:50,545 INFO L168 Benchmark]: RCFGBuilder took 1141.93 ms. Allocated memory was 201.3 MB in the beginning and 228.6 MB in the end (delta: 27.3 MB). Free memory was 161.6 MB in the beginning and 175.5 MB in the end (delta: -13.9 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. [2020-07-07 11:23:50,546 INFO L168 Benchmark]: TraceAbstraction took 28618.76 ms. Allocated memory was 228.6 MB in the beginning and 594.5 MB in the end (delta: 366.0 MB). Free memory was 175.5 MB in the beginning and 109.4 MB in the end (delta: 66.1 MB). Peak memory consumption was 469.1 MB. Max. memory is 7.1 GB. [2020-07-07 11:23:50,554 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 135.3 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 713.16 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 97.7 MB in the beginning and 166.8 MB in the end (delta: -69.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.72 ms. Allocated memory is still 201.3 MB. Free memory was 166.8 MB in the beginning and 161.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1141.93 ms. Allocated memory was 201.3 MB in the beginning and 228.6 MB in the end (delta: 27.3 MB). Free memory was 161.6 MB in the beginning and 175.5 MB in the end (delta: -13.9 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28618.76 ms. Allocated memory was 228.6 MB in the beginning and 594.5 MB in the end (delta: 366.0 MB). Free memory was 175.5 MB in the beginning and 109.4 MB in the end (delta: 66.1 MB). Peak memory consumption was 469.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 431]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((!(13 == a8) && a16 <= 5) && 1 == a17) && 1 == a21) && (!(1 == \old(a7)) || !(1 == \old(a21)))) || ((((5 <= a16 && 1 == a17) && 1 == a21) && 1 == a20) && (!(1 == \old(a7)) || !(1 == \old(a21))))) || (((a21 <= 0 && a17 <= 0) && a16 <= 5) && (!(1 == \old(a7)) || !(1 == \old(a21))))) || ((((((a7 == \old(a7) && a16 == \old(a16)) && a8 == \old(a8)) && a16 <= 5) && 1 == a17) && 1 == a21) && 1 == a20)) || !(1 == \old(a17))) || ((((a16 <= 5 && 1 == a17) && 1 == a21) && 1 == a20) && (!(1 == \old(a7)) || !(1 == \old(a21))))) || !(5 <= \old(a16))) || ((((a17 <= 0 && 5 <= a16) && 1 == a21) && 1 == a20) && (!(1 == \old(a7)) || !(1 == \old(a21))))) || ((((1 == a17 && 5 <= a16) && 15 <= a8) && (!(1 == \old(a7)) || !(1 == \old(a21)))) && a21 == \old(a21))) || !(1 == \old(a20))) || !(15 <= \old(a8))) || (((a17 <= 0 && a16 <= 5) && 1 == a21) && (!(1 == \old(a7)) || !(1 == \old(a21))))) || !(\old(a16) <= 5)) || (((a21 <= 0 && a16 <= 5) && 1 == a17) && (!(1 == \old(a7)) || !(1 == \old(a21))))) || !(1 == \old(a21))) || ((((a17 <= 0 && 5 <= a16) && 15 <= a8) && (!(1 == \old(a7)) || !(1 == \old(a21)))) && a21 == \old(a21))) || (((a21 <= 0 && a17 <= 0) && 1 == a20) && (!(1 == \old(a7)) || !(1 == \old(a21)))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.4s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 17.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 328 SDtfs, 5065 SDslu, 525 SDs, 0 SdLazy, 10769 SolverSat, 2098 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1107 GetRequests, 974 SyntacticMatches, 1 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 511 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2604occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 1680 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 123 PreInvPairs, 199 NumberOfFragments, 923 HoareAnnotationTreeSize, 123 FomulaSimplifications, 682578 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 50762 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2102 NumberOfCodeBlocks, 2102 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2087 ConstructedInterpolants, 0 QuantifiedInterpolants, 802600 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2712 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 819/947 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...