/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/Problem02_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 18:59:16,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 18:59:16,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 18:59:16,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 18:59:16,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 18:59:16,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 18:59:16,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 18:59:16,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 18:59:16,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 18:59:16,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 18:59:16,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 18:59:16,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 18:59:16,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 18:59:16,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 18:59:16,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 18:59:16,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 18:59:16,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 18:59:16,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 18:59:16,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 18:59:16,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 18:59:16,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 18:59:16,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 18:59:16,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 18:59:16,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 18:59:16,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 18:59:16,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 18:59:16,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 18:59:16,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 18:59:16,972 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 [2019-11-06 18:59:16,985 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 18:59:16,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 18:59:16,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 18:59:16,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 18:59:16,987 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 18:59:16,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 18:59:16,987 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 18:59:16,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 18:59:16,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 18:59:16,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 18:59:16,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 18:59:16,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 18:59:16,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 18:59:16,989 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 18:59:16,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 18:59:16,989 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 18:59:16,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 18:59:16,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 18:59:16,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 18:59:16,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 18:59:16,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 18:59:16,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 18:59:16,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 18:59:16,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 18:59:16,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 18:59:16,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 18:59:16,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 18:59:16,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 18:59:16,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 18:59:17,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 18:59:17,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 18:59:17,339 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 18:59:17,340 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 18:59:17,341 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 18:59:17,341 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2019-11-06 18:59:17,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfd3f68da/e7cd05331d134cd0881f9ff9084d1525/FLAGe31fc7765 [2019-11-06 18:59:17,928 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 18:59:17,930 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2019-11-06 18:59:17,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfd3f68da/e7cd05331d134cd0881f9ff9084d1525/FLAGe31fc7765 [2019-11-06 18:59:18,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfd3f68da/e7cd05331d134cd0881f9ff9084d1525 [2019-11-06 18:59:18,203 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 18:59:18,205 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 18:59:18,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 18:59:18,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 18:59:18,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 18:59:18,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:59:18" (1/1) ... [2019-11-06 18:59:18,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a7a63ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:18, skipping insertion in model container [2019-11-06 18:59:18,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:59:18" (1/1) ... [2019-11-06 18:59:18,221 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 18:59:18,280 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 18:59:18,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 18:59:18,776 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 18:59:18,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 18:59:18,912 INFO L192 MainTranslator]: Completed translation [2019-11-06 18:59:18,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:18 WrapperNode [2019-11-06 18:59:18,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 18:59:18,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 18:59:18,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 18:59:18,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 18:59:18,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:18" (1/1) ... [2019-11-06 18:59:18,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:18" (1/1) ... [2019-11-06 18:59:18,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:18" (1/1) ... [2019-11-06 18:59:18,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:18" (1/1) ... [2019-11-06 18:59:18,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:18" (1/1) ... [2019-11-06 18:59:19,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:18" (1/1) ... [2019-11-06 18:59:19,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:18" (1/1) ... [2019-11-06 18:59:19,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 18:59:19,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 18:59:19,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 18:59:19,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 18:59:19,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:18" (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 [2019-11-06 18:59:19,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 18:59:19,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 18:59:19,130 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-06 18:59:19,130 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 18:59:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-06 18:59:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 18:59:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 18:59:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 18:59:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 18:59:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 18:59:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 18:59:20,767 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 18:59:20,771 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 18:59:20,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:59:20 BoogieIcfgContainer [2019-11-06 18:59:20,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 18:59:20,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 18:59:20,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 18:59:20,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 18:59:20,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 06:59:18" (1/3) ... [2019-11-06 18:59:20,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c69fce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:59:20, skipping insertion in model container [2019-11-06 18:59:20,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:18" (2/3) ... [2019-11-06 18:59:20,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c69fce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:59:20, skipping insertion in model container [2019-11-06 18:59:20,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:59:20" (3/3) ... [2019-11-06 18:59:20,790 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label40.c [2019-11-06 18:59:20,803 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 18:59:20,813 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 18:59:20,825 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 18:59:20,867 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 18:59:20,867 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 18:59:20,868 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 18:59:20,868 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 18:59:20,868 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 18:59:20,868 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 18:59:20,868 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 18:59:20,869 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 18:59:20,895 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2019-11-06 18:59:20,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-06 18:59:20,904 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:20,905 INFO L410 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, 1, 1, 1, 1] [2019-11-06 18:59:20,907 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:20,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:20,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1033095319, now seen corresponding path program 1 times [2019-11-06 18:59:20,918 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:20,919 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245333358] [2019-11-06 18:59:20,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:21,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:21,498 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245333358] [2019-11-06 18:59:21,499 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:59:21,499 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 18:59:21,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598065587] [2019-11-06 18:59:21,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 18:59:21,510 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:21,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 18:59:21,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 18:59:21,528 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2019-11-06 18:59:23,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:23,806 INFO L93 Difference]: Finished difference Result 797 states and 1393 transitions. [2019-11-06 18:59:23,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 18:59:23,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2019-11-06 18:59:23,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:23,834 INFO L225 Difference]: With dead ends: 797 [2019-11-06 18:59:23,834 INFO L226 Difference]: Without dead ends: 483 [2019-11-06 18:59:23,844 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:59:23,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2019-11-06 18:59:23,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 323. [2019-11-06 18:59:23,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2019-11-06 18:59:23,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 470 transitions. [2019-11-06 18:59:23,926 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 470 transitions. Word has length 95 [2019-11-06 18:59:23,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:23,928 INFO L462 AbstractCegarLoop]: Abstraction has 323 states and 470 transitions. [2019-11-06 18:59:23,928 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 18:59:23,928 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 470 transitions. [2019-11-06 18:59:23,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-06 18:59:23,935 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:23,936 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:23,937 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:23,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:23,938 INFO L82 PathProgramCache]: Analyzing trace with hash -377311506, now seen corresponding path program 1 times [2019-11-06 18:59:23,939 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:23,939 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080093749] [2019-11-06 18:59:23,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:24,218 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:24,218 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080093749] [2019-11-06 18:59:24,219 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514253752] [2019-11-06 18:59:24,219 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 [2019-11-06 18:59:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:24,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:59:24,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:24,410 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:24,411 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:59:24,411 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 18:59:24,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510303084] [2019-11-06 18:59:24,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:59:24,414 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:24,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:59:24,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:59:24,414 INFO L87 Difference]: Start difference. First operand 323 states and 470 transitions. Second operand 3 states. [2019-11-06 18:59:24,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:24,987 INFO L93 Difference]: Finished difference Result 933 states and 1378 transitions. [2019-11-06 18:59:24,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:59:24,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-11-06 18:59:24,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:24,993 INFO L225 Difference]: With dead ends: 933 [2019-11-06 18:59:24,993 INFO L226 Difference]: Without dead ends: 616 [2019-11-06 18:59:24,996 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:59:24,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2019-11-06 18:59:25,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 615. [2019-11-06 18:59:25,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2019-11-06 18:59:25,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 867 transitions. [2019-11-06 18:59:25,056 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 867 transitions. Word has length 103 [2019-11-06 18:59:25,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:25,057 INFO L462 AbstractCegarLoop]: Abstraction has 615 states and 867 transitions. [2019-11-06 18:59:25,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:59:25,058 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 867 transitions. [2019-11-06 18:59:25,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-06 18:59:25,074 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:25,075 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:25,282 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:25,283 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:25,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:25,283 INFO L82 PathProgramCache]: Analyzing trace with hash 549151607, now seen corresponding path program 1 times [2019-11-06 18:59:25,285 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:25,286 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158310704] [2019-11-06 18:59:25,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:25,594 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-06 18:59:25,595 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158310704] [2019-11-06 18:59:25,595 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253001442] [2019-11-06 18:59:25,595 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 [2019-11-06 18:59:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:25,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:59:25,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:25,764 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:25,765 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:59:25,765 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-11-06 18:59:25,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384745442] [2019-11-06 18:59:25,775 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 18:59:25,775 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:25,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 18:59:25,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-11-06 18:59:25,778 INFO L87 Difference]: Start difference. First operand 615 states and 867 transitions. Second operand 11 states. [2019-11-06 18:59:27,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:27,348 INFO L93 Difference]: Finished difference Result 1678 states and 2471 transitions. [2019-11-06 18:59:27,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 18:59:27,349 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 113 [2019-11-06 18:59:27,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:27,358 INFO L225 Difference]: With dead ends: 1678 [2019-11-06 18:59:27,358 INFO L226 Difference]: Without dead ends: 1069 [2019-11-06 18:59:27,361 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2019-11-06 18:59:27,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2019-11-06 18:59:27,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 605. [2019-11-06 18:59:27,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2019-11-06 18:59:27,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 833 transitions. [2019-11-06 18:59:27,408 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 833 transitions. Word has length 113 [2019-11-06 18:59:27,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:27,408 INFO L462 AbstractCegarLoop]: Abstraction has 605 states and 833 transitions. [2019-11-06 18:59:27,408 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 18:59:27,408 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 833 transitions. [2019-11-06 18:59:27,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-11-06 18:59:27,438 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:27,438 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:27,642 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:27,643 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:27,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:27,643 INFO L82 PathProgramCache]: Analyzing trace with hash -587723324, now seen corresponding path program 1 times [2019-11-06 18:59:27,643 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:27,644 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956875795] [2019-11-06 18:59:27,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:27,817 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:27,817 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956875795] [2019-11-06 18:59:27,818 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:59:27,818 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 18:59:27,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294343824] [2019-11-06 18:59:27,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 18:59:27,819 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:27,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 18:59:27,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:59:27,820 INFO L87 Difference]: Start difference. First operand 605 states and 833 transitions. Second operand 9 states. [2019-11-06 18:59:29,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:29,733 INFO L93 Difference]: Finished difference Result 1981 states and 2852 transitions. [2019-11-06 18:59:29,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-06 18:59:29,734 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 115 [2019-11-06 18:59:29,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:29,746 INFO L225 Difference]: With dead ends: 1981 [2019-11-06 18:59:29,746 INFO L226 Difference]: Without dead ends: 1382 [2019-11-06 18:59:29,749 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-11-06 18:59:29,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2019-11-06 18:59:29,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1207. [2019-11-06 18:59:29,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2019-11-06 18:59:29,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1636 transitions. [2019-11-06 18:59:29,816 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1636 transitions. Word has length 115 [2019-11-06 18:59:29,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:29,817 INFO L462 AbstractCegarLoop]: Abstraction has 1207 states and 1636 transitions. [2019-11-06 18:59:29,817 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 18:59:29,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1636 transitions. [2019-11-06 18:59:29,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-11-06 18:59:29,823 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:29,826 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:29,826 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:29,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:29,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1133854759, now seen corresponding path program 1 times [2019-11-06 18:59:29,827 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:29,828 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687186806] [2019-11-06 18:59:29,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:30,180 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:30,180 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687186806] [2019-11-06 18:59:30,180 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771207419] [2019-11-06 18:59:30,181 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 [2019-11-06 18:59:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:30,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:59:30,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:30,368 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:30,369 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:59:30,369 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 18:59:30,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193629885] [2019-11-06 18:59:30,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:59:30,370 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:30,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:59:30,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:59:30,371 INFO L87 Difference]: Start difference. First operand 1207 states and 1636 transitions. Second operand 3 states. [2019-11-06 18:59:30,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:30,874 INFO L93 Difference]: Finished difference Result 2844 states and 3885 transitions. [2019-11-06 18:59:30,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:59:30,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2019-11-06 18:59:30,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:30,884 INFO L225 Difference]: With dead ends: 2844 [2019-11-06 18:59:30,884 INFO L226 Difference]: Without dead ends: 1201 [2019-11-06 18:59:30,888 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:59:30,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2019-11-06 18:59:30,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1201. [2019-11-06 18:59:30,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1201 states. [2019-11-06 18:59:30,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1561 transitions. [2019-11-06 18:59:30,940 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1561 transitions. Word has length 121 [2019-11-06 18:59:30,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:30,940 INFO L462 AbstractCegarLoop]: Abstraction has 1201 states and 1561 transitions. [2019-11-06 18:59:30,940 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:59:30,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1561 transitions. [2019-11-06 18:59:30,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-06 18:59:30,944 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:30,944 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:31,149 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:31,150 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:31,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:31,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1118081225, now seen corresponding path program 1 times [2019-11-06 18:59:31,151 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:31,151 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362034748] [2019-11-06 18:59:31,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:31,298 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 18:59:31,298 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362034748] [2019-11-06 18:59:31,299 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111004003] [2019-11-06 18:59:31,299 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 [2019-11-06 18:59:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:31,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:59:31,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:31,454 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:59:31,454 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-11-06 18:59:31,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598226511] [2019-11-06 18:59:31,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 18:59:31,455 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:31,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 18:59:31,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-11-06 18:59:31,456 INFO L87 Difference]: Start difference. First operand 1201 states and 1561 transitions. Second operand 11 states. [2019-11-06 18:59:35,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:35,320 INFO L93 Difference]: Finished difference Result 3770 states and 5160 transitions. [2019-11-06 18:59:35,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-06 18:59:35,321 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2019-11-06 18:59:35,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:35,330 INFO L225 Difference]: With dead ends: 3770 [2019-11-06 18:59:35,331 INFO L226 Difference]: Without dead ends: 1831 [2019-11-06 18:59:35,337 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2019-11-06 18:59:35,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1831 states. [2019-11-06 18:59:35,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1831 to 1507. [2019-11-06 18:59:35,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1507 states. [2019-11-06 18:59:35,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1507 states and 1759 transitions. [2019-11-06 18:59:35,427 INFO L78 Accepts]: Start accepts. Automaton has 1507 states and 1759 transitions. Word has length 123 [2019-11-06 18:59:35,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:35,428 INFO L462 AbstractCegarLoop]: Abstraction has 1507 states and 1759 transitions. [2019-11-06 18:59:35,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 18:59:35,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1759 transitions. [2019-11-06 18:59:35,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-11-06 18:59:35,433 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:35,433 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:35,637 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:35,638 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:35,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:35,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1143201553, now seen corresponding path program 1 times [2019-11-06 18:59:35,638 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:35,638 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684788113] [2019-11-06 18:59:35,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:35,847 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 18:59:35,847 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684788113] [2019-11-06 18:59:35,848 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123180552] [2019-11-06 18:59:35,848 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 [2019-11-06 18:59:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:35,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-06 18:59:35,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:35,978 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 70 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:35,978 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:59:35,979 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 8 [2019-11-06 18:59:35,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113836597] [2019-11-06 18:59:35,980 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 18:59:35,980 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:35,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 18:59:35,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-06 18:59:35,980 INFO L87 Difference]: Start difference. First operand 1507 states and 1759 transitions. Second operand 8 states. [2019-11-06 18:59:37,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:37,198 INFO L93 Difference]: Finished difference Result 3780 states and 4568 transitions. [2019-11-06 18:59:37,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 18:59:37,199 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2019-11-06 18:59:37,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:37,209 INFO L225 Difference]: With dead ends: 3780 [2019-11-06 18:59:37,209 INFO L226 Difference]: Without dead ends: 2279 [2019-11-06 18:59:37,213 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-11-06 18:59:37,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2279 states. [2019-11-06 18:59:37,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2279 to 2241. [2019-11-06 18:59:37,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2241 states. [2019-11-06 18:59:37,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 2241 states and 2567 transitions. [2019-11-06 18:59:37,271 INFO L78 Accepts]: Start accepts. Automaton has 2241 states and 2567 transitions. Word has length 162 [2019-11-06 18:59:37,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:37,271 INFO L462 AbstractCegarLoop]: Abstraction has 2241 states and 2567 transitions. [2019-11-06 18:59:37,271 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 18:59:37,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 2567 transitions. [2019-11-06 18:59:37,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-11-06 18:59:37,278 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:37,279 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-06 18:59:37,483 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:37,483 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:37,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:37,484 INFO L82 PathProgramCache]: Analyzing trace with hash 220350546, now seen corresponding path program 1 times [2019-11-06 18:59:37,484 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:37,485 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147614923] [2019-11-06 18:59:37,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:37,725 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 139 proven. 3 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-11-06 18:59:37,725 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147614923] [2019-11-06 18:59:37,726 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735461335] [2019-11-06 18:59:37,727 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 [2019-11-06 18:59:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:37,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-06 18:59:37,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:37,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-06 18:59:38,068 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 225 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-06 18:59:38,069 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:59:38,069 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2019-11-06 18:59:38,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835323290] [2019-11-06 18:59:38,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 18:59:38,071 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:38,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 18:59:38,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:59:38,078 INFO L87 Difference]: Start difference. First operand 2241 states and 2567 transitions. Second operand 9 states. [2019-11-06 18:59:40,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:40,242 INFO L93 Difference]: Finished difference Result 3612 states and 4197 transitions. [2019-11-06 18:59:40,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-06 18:59:40,247 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 242 [2019-11-06 18:59:40,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:40,248 INFO L225 Difference]: With dead ends: 3612 [2019-11-06 18:59:40,248 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 18:59:40,255 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2019-11-06 18:59:40,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 18:59:40,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 18:59:40,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 18:59:40,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 18:59:40,256 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 242 [2019-11-06 18:59:40,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:40,256 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 18:59:40,263 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 18:59:40,263 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 18:59:40,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 18:59:40,467 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:40,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 18:59:40,999 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 153 [2019-11-06 18:59:41,146 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 153 [2019-11-06 18:59:42,304 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 154 DAG size of output: 64 [2019-11-06 18:59:43,044 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 56 [2019-11-06 18:59:43,701 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 56 [2019-11-06 18:59:43,704 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 18:59:43,705 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~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)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2019-11-06 18:59:43,705 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 18:59:43,705 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,705 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,705 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,705 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,705 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,705 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-06 18:59:43,705 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-06 18:59:43,706 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-06 18:59:43,706 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-06 18:59:43,706 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-06 18:59:43,706 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-06 18:59:43,706 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-06 18:59:43,706 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-06 18:59:43,706 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-06 18:59:43,706 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-06 18:59:43,707 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-06 18:59:43,707 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-06 18:59:43,707 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-06 18:59:43,707 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,707 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,707 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,707 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,707 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-06 18:59:43,707 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,707 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-06 18:59:43,708 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-06 18:59:43,708 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-06 18:59:43,708 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-06 18:59:43,708 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-06 18:59:43,708 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-06 18:59:43,708 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-06 18:59:43,708 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-06 18:59:43,708 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-06 18:59:43,708 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-06 18:59:43,709 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-06 18:59:43,709 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-06 18:59:43,709 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-06 18:59:43,709 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-06 18:59:43,709 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-06 18:59:43,709 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,709 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,709 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,710 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,710 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,710 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-06 18:59:43,710 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-06 18:59:43,710 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-06 18:59:43,710 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-06 18:59:43,710 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-06 18:59:43,710 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-06 18:59:43,710 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-06 18:59:43,711 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-06 18:59:43,711 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-06 18:59:43,711 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-06 18:59:43,711 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-06 18:59:43,711 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,711 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,711 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,711 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,712 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,712 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-06 18:59:43,712 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-06 18:59:43,712 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-06 18:59:43,712 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-06 18:59:43,712 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-06 18:59:43,712 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-06 18:59:43,712 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-06 18:59:43,712 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-06 18:59:43,713 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-06 18:59:43,713 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-06 18:59:43,713 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-06 18:59:43,713 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-06 18:59:43,713 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-06 18:59:43,713 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,713 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,713 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,713 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,714 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,714 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-06 18:59:43,714 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-06 18:59:43,714 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-06 18:59:43,714 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-06 18:59:43,714 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-06 18:59:43,714 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-06 18:59:43,714 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-06 18:59:43,714 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-06 18:59:43,715 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-06 18:59:43,715 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-06 18:59:43,715 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-06 18:59:43,715 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-06 18:59:43,715 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-06 18:59:43,715 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-06 18:59:43,715 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-06 18:59:43,715 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-06 18:59:43,715 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,715 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,716 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,716 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,716 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-06 18:59:43,716 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,716 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-06 18:59:43,716 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,716 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-06 18:59:43,716 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-06 18:59:43,716 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-06 18:59:43,716 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,717 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,717 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-06 18:59:43,717 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-06 18:59:43,717 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-06 18:59:43,717 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-06 18:59:43,717 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-06 18:59:43,717 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-06 18:59:43,717 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-06 18:59:43,718 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-06 18:59:43,718 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-06 18:59:43,718 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-06 18:59:43,718 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-06 18:59:43,718 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,718 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,718 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,718 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,718 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,719 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,719 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-06 18:59:43,719 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-06 18:59:43,719 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-06 18:59:43,719 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-06 18:59:43,719 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-06 18:59:43,719 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-06 18:59:43,719 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-06 18:59:43,719 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-06 18:59:43,720 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-06 18:59:43,720 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-06 18:59:43,720 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-06 18:59:43,720 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,720 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,720 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,720 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,720 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,721 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,721 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-06 18:59:43,721 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-06 18:59:43,721 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-06 18:59:43,721 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-06 18:59:43,721 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-06 18:59:43,721 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-06 18:59:43,721 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-06 18:59:43,721 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-06 18:59:43,721 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-06 18:59:43,722 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-06 18:59:43,722 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-06 18:59:43,722 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-06 18:59:43,722 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-06 18:59:43,722 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-06 18:59:43,722 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,722 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,722 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,723 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse15 (not (<= 9 |old(~a28~0)|))) (.cse7 (not (<= |old(~a17~0)| 8))) (.cse6 (= 1 |old(~a11~0)|)) (.cse11 (= ~a17~0 8)) (.cse0 (= ~a19~0 |old(~a19~0)|)) (.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse13 (= 1 |old(~a25~0)|)) (.cse18 (= ~a11~0 |old(~a11~0)|)) (.cse19 (= ~a17~0 |old(~a17~0)|))) (let ((.cse2 (and .cse18 .cse19 (<= ~a17~0 8))) (.cse5 (not (= 1 |old(~a19~0)|))) (.cse14 (not (<= |old(~a28~0)| 10))) (.cse4 (not .cse13)) (.cse17 (and .cse18 .cse11 .cse0 .cse1 .cse3)) (.cse8 (and .cse6 (= |old(~a11~0)| |old(~a19~0)|))) (.cse16 (not (<= |old(~a25~0)| 0))) (.cse9 (not (= 8 |old(~a17~0)|))) (.cse20 (or .cse15 .cse7)) (.cse10 (not .cse6)) (.cse12 (= ~a11~0 1))) (and (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~a17~0)| 7))) (or .cse4 .cse5 (or .cse6 .cse7) (and .cse2 .cse0 .cse1 .cse3)) (or .cse8 .cse9 .cse10 (and .cse11 .cse0 .cse1 .cse12 .cse3) .cse13) (or .cse14 .cse5 .cse15 .cse16 .cse9 .cse17) (or .cse14 (and .cse18 .cse19 .cse0 .cse1 .cse3) .cse4 .cse20) (or .cse17 (or (not (<= |old(~a28~0)| 9)) .cse8 .cse16 .cse9)) (or .cse20 .cse10 (and .cse19 .cse0 .cse1 .cse12 .cse3))))) [2019-11-06 18:59:43,723 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,723 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,723 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,723 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-06 18:59:43,723 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-06 18:59:43,723 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-06 18:59:43,723 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-06 18:59:43,724 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-06 18:59:43,724 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-06 18:59:43,724 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-06 18:59:43,724 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-06 18:59:43,724 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-06 18:59:43,724 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-06 18:59:43,724 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-11-06 18:59:43,724 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-06 18:59:43,725 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-06 18:59:43,725 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-06 18:59:43,725 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,725 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,725 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,725 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,725 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,725 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,725 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-06 18:59:43,725 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-06 18:59:43,726 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-06 18:59:43,726 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-06 18:59:43,726 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-06 18:59:43,726 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-06 18:59:43,726 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-06 18:59:43,726 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-06 18:59:43,726 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-06 18:59:43,726 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-06 18:59:43,726 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-06 18:59:43,727 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-06 18:59:43,727 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-06 18:59:43,727 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-06 18:59:43,727 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-06 18:59:43,727 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-06 18:59:43,727 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,727 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,727 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,727 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,727 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:43,728 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-06 18:59:43,728 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-06 18:59:43,728 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-06 18:59:43,728 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-06 18:59:43,728 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-06 18:59:43,728 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-06 18:59:43,728 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-06 18:59:43,728 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-06 18:59:43,728 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-06 18:59:43,728 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-06 18:59:43,729 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-06 18:59:43,729 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-06 18:59:43,729 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-06 18:59:43,729 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-06 18:59:43,729 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-06 18:59:43,729 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-06 18:59:43,729 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-06 18:59:43,729 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-06 18:59:43,729 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-06 18:59:43,730 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 18:59:43,730 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a17~0 8) (= ~a19~0 1) (not (= ~a19~0 ~a11~0)) (<= ~a25~0 0) (<= ~a28~0 9)) [2019-11-06 18:59:43,730 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 18:59:43,730 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 18:59:43,730 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 9)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (= |old(~a11~0)| |old(~a19~0)|) (not (<= |old(~a25~0)| 0)) (not (= 8 |old(~a17~0)|))) [2019-11-06 18:59:43,730 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (= ~a17~0 8)) (.cse5 (= ~a11~0 1)) (.cse2 (<= ~a17~0 8))) (let ((.cse4 (and (<= 9 ~a28~0) .cse2)) (.cse0 (= ~a25~0 1)) (.cse3 (<= ~a28~0 10)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse6 (and .cse7 (or (not (= ~a19~0 ~a11~0)) (not .cse5)))) (.cse8 (<= ~a25~0 0))) (or (and .cse0 (and (and .cse1 .cse2) (= ~a19~0 1))) (and .cse1 .cse3 .cse4 .cse0) (= |old(~a11~0)| |old(~a19~0)|) (and .cse4 .cse5) (<= ~a17~0 7) (not (<= |old(~a25~0)| 0)) (and (not .cse0) .cse6 .cse5) (and (and .cse1 (and .cse7 .cse8) (= ~a19~0 |old(~a19~0)|)) .cse3) (not (<= |old(~a28~0)| 9)) (not (= 1 |old(~a19~0)|)) (and .cse1 (<= ~a28~0 9) (and .cse6 .cse8)) (not (= 8 |old(~a17~0)|))))) [2019-11-06 18:59:43,731 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-11-06 18:59:43,731 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-11-06 18:59:43,731 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (= ~a17~0 8)) (.cse5 (= ~a11~0 1)) (.cse2 (<= ~a17~0 8))) (let ((.cse4 (and (<= 9 ~a28~0) .cse2)) (.cse0 (= ~a25~0 1)) (.cse3 (<= ~a28~0 10)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse6 (and .cse7 (or (not (= ~a19~0 ~a11~0)) (not .cse5)))) (.cse8 (<= ~a25~0 0))) (or (and .cse0 (and (and .cse1 .cse2) (= ~a19~0 1))) (and .cse1 .cse3 .cse4 .cse0) (= |old(~a11~0)| |old(~a19~0)|) (and .cse4 .cse5) (<= ~a17~0 7) (not (<= |old(~a25~0)| 0)) (and (not .cse0) .cse6 .cse5) (and (and .cse1 (and .cse7 .cse8) (= ~a19~0 |old(~a19~0)|)) .cse3) (not (<= |old(~a28~0)| 9)) (not (= 1 |old(~a19~0)|)) (and .cse1 (<= ~a28~0 9) (and .cse6 .cse8)) (not (= 8 |old(~a17~0)|))))) [2019-11-06 18:59:43,731 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-11-06 18:59:43,731 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-06 18:59:43,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 06:59:43 BoogieIcfgContainer [2019-11-06 18:59:43,750 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 18:59:43,752 INFO L168 Benchmark]: Toolchain (without parser) took 25547.45 ms. Allocated memory was 138.4 MB in the beginning and 525.9 MB in the end (delta: 387.4 MB). Free memory was 102.3 MB in the beginning and 283.0 MB in the end (delta: -180.7 MB). Peak memory consumption was 367.5 MB. Max. memory is 7.1 GB. [2019-11-06 18:59:43,753 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 18:59:43,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.73 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 102.1 MB in the beginning and 169.3 MB in the end (delta: -67.3 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2019-11-06 18:59:43,755 INFO L168 Benchmark]: Boogie Preprocessor took 119.78 ms. Allocated memory is still 203.9 MB. Free memory was 169.3 MB in the beginning and 164.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-11-06 18:59:43,756 INFO L168 Benchmark]: RCFGBuilder took 1737.67 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 164.2 MB in the beginning and 180.1 MB in the end (delta: -15.9 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2019-11-06 18:59:43,757 INFO L168 Benchmark]: TraceAbstraction took 22975.36 ms. Allocated memory was 237.0 MB in the beginning and 525.9 MB in the end (delta: 288.9 MB). Free memory was 180.1 MB in the beginning and 283.0 MB in the end (delta: -102.9 MB). Peak memory consumption was 346.8 MB. Max. memory is 7.1 GB. [2019-11-06 18:59:43,760 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 708.73 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 102.1 MB in the beginning and 169.3 MB in the end (delta: -67.3 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.78 ms. Allocated memory is still 203.9 MB. Free memory was 169.3 MB in the beginning and 164.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1737.67 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 164.2 MB in the beginning and 180.1 MB in the end (delta: -15.9 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22975.36 ms. Allocated memory was 237.0 MB in the beginning and 525.9 MB in the end (delta: 288.9 MB). Free memory was 180.1 MB in the beginning and 283.0 MB in the end (delta: -102.9 MB). Peak memory consumption was 346.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((a25 == 1 && (a11 == \old(a11) && a17 <= 8) && a19 == 1) || (((a11 == \old(a11) && a28 <= 10) && 9 <= a28 && a17 <= 8) && a25 == 1)) || \old(a11) == \old(a19)) || ((9 <= a28 && a17 <= 8) && a11 == 1)) || a17 <= 7) || !(\old(a25) <= 0)) || ((!(a25 == 1) && a17 == 8 && (!(a19 == a11) || !(a11 == 1))) && a11 == 1)) || (((a11 == \old(a11) && a17 == 8 && a25 <= 0) && a19 == \old(a19)) && a28 <= 10)) || !(\old(a28) <= 9)) || !(1 == \old(a19))) || ((a11 == \old(a11) && a28 <= 9) && (a17 == 8 && (!(a19 == a11) || !(a11 == 1))) && a25 <= 0)) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Result: SAFE, OverallTime: 22.8s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 14.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, HoareTripleCheckerStatistics: 746 SDtfs, 4912 SDslu, 487 SDs, 0 SdLazy, 8597 SolverSat, 1611 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1019 GetRequests, 917 SyntacticMatches, 5 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2241occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 1162 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 82 PreInvPairs, 132 NumberOfFragments, 600 HoareAnnotationTreeSize, 82 FomulaSimplifications, 85628 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 26255 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1938 NumberOfCodeBlocks, 1938 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1924 ConstructedInterpolants, 0 QuantifiedInterpolants, 870768 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2329 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 812/831 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...