/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 11:29:07,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 11:29:07,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 11:29:07,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 11:29:07,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 11:29:07,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 11:29:07,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 11:29:07,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 11:29:07,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 11:29:07,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 11:29:07,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 11:29:07,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 11:29:07,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 11:29:07,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 11:29:07,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 11:29:07,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 11:29:07,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 11:29:07,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 11:29:07,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 11:29:07,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 11:29:07,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 11:29:07,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 11:29:07,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 11:29:07,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 11:29:07,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 11:29:07,999 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-07 11:29:08,018 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 11:29:08,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 11:29:08,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 11:29:08,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 11:29:08,021 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 11:29:08,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 11:29:08,021 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 11:29:08,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 11:29:08,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 11:29:08,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 11:29:08,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 11:29:08,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 11:29:08,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 11:29:08,024 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 11:29:08,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 11:29:08,025 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 11:29:08,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 11:29:08,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 11:29:08,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 11:29:08,025 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 11:29:08,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 11:29:08,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:29:08,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 11:29:08,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 11:29:08,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 11:29:08,027 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 11:29:08,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 11:29:08,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 11:29:08,027 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 11:29:08,027 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 11:29:08,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 11:29:08,371 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 11:29:08,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 11:29:08,376 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 11:29:08,376 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 11:29:08,377 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-07-07 11:29:08,438 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96035b96c/52e4f79e0b1846fdb431de5500584af3/FLAG284cc14f2 [2020-07-07 11:29:08,991 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 11:29:08,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-07-07 11:29:09,003 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96035b96c/52e4f79e0b1846fdb431de5500584af3/FLAG284cc14f2 [2020-07-07 11:29:09,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96035b96c/52e4f79e0b1846fdb431de5500584af3 [2020-07-07 11:29:09,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 11:29:09,307 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 11:29:09,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 11:29:09,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 11:29:09,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 11:29:09,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:29:09" (1/1) ... [2020-07-07 11:29:09,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bbc0375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:09, skipping insertion in model container [2020-07-07 11:29:09,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:29:09" (1/1) ... [2020-07-07 11:29:09,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 11:29:09,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 11:29:09,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:29:09,938 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 11:29:10,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:29:10,124 INFO L208 MainTranslator]: Completed translation [2020-07-07 11:29:10,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:10 WrapperNode [2020-07-07 11:29:10,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 11:29:10,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 11:29:10,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 11:29:10,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 11:29:10,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:10" (1/1) ... [2020-07-07 11:29:10,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:10" (1/1) ... [2020-07-07 11:29:10,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:10" (1/1) ... [2020-07-07 11:29:10,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:10" (1/1) ... [2020-07-07 11:29:10,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:10" (1/1) ... [2020-07-07 11:29:10,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:10" (1/1) ... [2020-07-07 11:29:10,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:10" (1/1) ... [2020-07-07 11:29:10,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 11:29:10,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 11:29:10,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 11:29:10,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 11:29:10,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:29:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 11:29:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 11:29:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-07 11:29:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 11:29:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-07 11:29:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 11:29:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 11:29:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-07 11:29:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 11:29:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 11:29:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 11:29:11,894 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 11:29:11,895 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 11:29:11,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:29:11 BoogieIcfgContainer [2020-07-07 11:29:11,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 11:29:11,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 11:29:11,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 11:29:11,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 11:29:11,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 11:29:09" (1/3) ... [2020-07-07 11:29:11,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0dbf42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:29:11, skipping insertion in model container [2020-07-07 11:29:11,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:29:10" (2/3) ... [2020-07-07 11:29:11,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0dbf42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:29:11, skipping insertion in model container [2020-07-07 11:29:11,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:29:11" (3/3) ... [2020-07-07 11:29:11,911 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label38.c [2020-07-07 11:29:11,922 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 11:29:11,930 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 11:29:11,945 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 11:29:11,971 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 11:29:11,972 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 11:29:11,972 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 11:29:11,972 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 11:29:11,972 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 11:29:11,973 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 11:29:11,973 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 11:29:11,973 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 11:29:11,996 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-07-07 11:29:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-07 11:29:12,006 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:29:12,007 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:29:12,008 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:29:12,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:29:12,014 INFO L82 PathProgramCache]: Analyzing trace with hash -281448013, now seen corresponding path program 1 times [2020-07-07 11:29:12,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:29:12,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811942451] [2020-07-07 11:29:12,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:29:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:12,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:29:12,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811942451] [2020-07-07 11:29:12,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:29:12,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 11:29:12,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233174605] [2020-07-07 11:29:12,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:29:12,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:29:12,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:29:12,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:29:12,479 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-07-07 11:29:15,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:29:15,540 INFO L93 Difference]: Finished difference Result 902 states and 1627 transitions. [2020-07-07 11:29:15,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 11:29:15,543 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-07-07 11:29:15,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:29:15,584 INFO L225 Difference]: With dead ends: 902 [2020-07-07 11:29:15,584 INFO L226 Difference]: Without dead ends: 564 [2020-07-07 11:29:15,599 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:29:15,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-07-07 11:29:15,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-07-07 11:29:15,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-07-07 11:29:15,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 812 transitions. [2020-07-07 11:29:15,718 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 812 transitions. Word has length 56 [2020-07-07 11:29:15,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:29:15,719 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 812 transitions. [2020-07-07 11:29:15,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:29:15,719 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 812 transitions. [2020-07-07 11:29:15,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-07-07 11:29:15,729 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:29:15,730 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:29:15,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 11:29:15,731 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:29:15,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:29:15,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1494193826, now seen corresponding path program 1 times [2020-07-07 11:29:15,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:29:15,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882538611] [2020-07-07 11:29:15,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:29:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:16,454 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:29:16,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882538611] [2020-07-07 11:29:16,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:29:16,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 11:29:16,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561623689] [2020-07-07 11:29:16,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 11:29:16,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:29:16,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 11:29:16,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:29:16,459 INFO L87 Difference]: Start difference. First operand 560 states and 812 transitions. Second operand 11 states. [2020-07-07 11:29:18,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:29:18,888 INFO L93 Difference]: Finished difference Result 1326 states and 1892 transitions. [2020-07-07 11:29:18,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 11:29:18,889 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 168 [2020-07-07 11:29:18,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:29:18,896 INFO L225 Difference]: With dead ends: 1326 [2020-07-07 11:29:18,896 INFO L226 Difference]: Without dead ends: 772 [2020-07-07 11:29:18,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2020-07-07 11:29:18,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2020-07-07 11:29:18,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 758. [2020-07-07 11:29:18,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2020-07-07 11:29:18,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 1054 transitions. [2020-07-07 11:29:18,943 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 1054 transitions. Word has length 168 [2020-07-07 11:29:18,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:29:18,944 INFO L479 AbstractCegarLoop]: Abstraction has 758 states and 1054 transitions. [2020-07-07 11:29:18,944 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 11:29:18,944 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1054 transitions. [2020-07-07 11:29:18,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-07-07 11:29:18,953 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:29:18,953 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:29:18,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 11:29:18,954 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:29:18,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:29:18,954 INFO L82 PathProgramCache]: Analyzing trace with hash 502777661, now seen corresponding path program 1 times [2020-07-07 11:29:18,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:29:18,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124935679] [2020-07-07 11:29:18,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:29:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:19,325 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:29:19,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124935679] [2020-07-07 11:29:19,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306220715] [2020-07-07 11:29:19,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:19,479 INFO L264 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:29:19,492 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:29:19,599 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:29:19,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:29:19,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-07 11:29:19,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508340947] [2020-07-07 11:29:19,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:29:19,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:29:19,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:29:19,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:29:19,602 INFO L87 Difference]: Start difference. First operand 758 states and 1054 transitions. Second operand 3 states. [2020-07-07 11:29:20,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:29:20,493 INFO L93 Difference]: Finished difference Result 1498 states and 2120 transitions. [2020-07-07 11:29:20,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:29:20,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-07-07 11:29:20,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:29:20,503 INFO L225 Difference]: With dead ends: 1498 [2020-07-07 11:29:20,504 INFO L226 Difference]: Without dead ends: 1496 [2020-07-07 11:29:20,505 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:29:20,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2020-07-07 11:29:20,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 942. [2020-07-07 11:29:20,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 942 states. [2020-07-07 11:29:20,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1366 transitions. [2020-07-07 11:29:20,552 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1366 transitions. Word has length 189 [2020-07-07 11:29:20,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:29:20,553 INFO L479 AbstractCegarLoop]: Abstraction has 942 states and 1366 transitions. [2020-07-07 11:29:20,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:29:20,554 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1366 transitions. [2020-07-07 11:29:20,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-07-07 11:29:20,561 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:29:20,561 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:29:20,774 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-07 11:29:20,775 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:29:20,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:29:20,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1552186539, now seen corresponding path program 1 times [2020-07-07 11:29:20,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:29:20,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670662989] [2020-07-07 11:29:20,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:29:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:21,520 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 98 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 11:29:21,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670662989] [2020-07-07 11:29:21,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245297404] [2020-07-07 11:29:21,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:21,633 INFO L264 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:29:21,652 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:29:21,755 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-07 11:29:21,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:29:21,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2020-07-07 11:29:21,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250255818] [2020-07-07 11:29:21,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:29:21,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:29:21,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:29:21,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:29:21,758 INFO L87 Difference]: Start difference. First operand 942 states and 1366 transitions. Second operand 3 states. [2020-07-07 11:29:22,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:29:22,731 INFO L93 Difference]: Finished difference Result 2800 states and 4134 transitions. [2020-07-07 11:29:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:29:22,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 262 [2020-07-07 11:29:22,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:29:22,743 INFO L225 Difference]: With dead ends: 2800 [2020-07-07 11:29:22,744 INFO L226 Difference]: Without dead ends: 1864 [2020-07-07 11:29:22,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:29:22,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2020-07-07 11:29:22,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1864. [2020-07-07 11:29:22,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1864 states. [2020-07-07 11:29:22,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 1864 states and 2529 transitions. [2020-07-07 11:29:22,810 INFO L78 Accepts]: Start accepts. Automaton has 1864 states and 2529 transitions. Word has length 262 [2020-07-07 11:29:22,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:29:22,812 INFO L479 AbstractCegarLoop]: Abstraction has 1864 states and 2529 transitions. [2020-07-07 11:29:22,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:29:22,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 2529 transitions. [2020-07-07 11:29:22,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-07-07 11:29:22,821 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:29:22,821 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:29:23,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:23,036 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:29:23,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:29:23,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1926155392, now seen corresponding path program 1 times [2020-07-07 11:29:23,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:29:23,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636249401] [2020-07-07 11:29:23,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:29:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:23,352 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 181 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:29:23,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636249401] [2020-07-07 11:29:23,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035706211] [2020-07-07 11:29:23,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:23,456 INFO L264 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:29:23,463 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:29:23,635 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 182 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:29:23,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:29:23,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-07-07 11:29:23,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244500917] [2020-07-07 11:29:23,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 11:29:23,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:29:23,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 11:29:23,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:29:23,640 INFO L87 Difference]: Start difference. First operand 1864 states and 2529 transitions. Second operand 11 states. [2020-07-07 11:29:27,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:29:27,167 INFO L93 Difference]: Finished difference Result 4910 states and 7059 transitions. [2020-07-07 11:29:27,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-07 11:29:27,168 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 275 [2020-07-07 11:29:27,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:29:27,200 INFO L225 Difference]: With dead ends: 4910 [2020-07-07 11:29:27,200 INFO L226 Difference]: Without dead ends: 3052 [2020-07-07 11:29:27,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2020-07-07 11:29:27,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3052 states. [2020-07-07 11:29:27,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3052 to 2808. [2020-07-07 11:29:27,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2808 states. [2020-07-07 11:29:27,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2808 states and 3618 transitions. [2020-07-07 11:29:27,338 INFO L78 Accepts]: Start accepts. Automaton has 2808 states and 3618 transitions. Word has length 275 [2020-07-07 11:29:27,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:29:27,340 INFO L479 AbstractCegarLoop]: Abstraction has 2808 states and 3618 transitions. [2020-07-07 11:29:27,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 11:29:27,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2808 states and 3618 transitions. [2020-07-07 11:29:27,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-07-07 11:29:27,352 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:29:27,353 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:29:27,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:27,568 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:29:27,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:29:27,569 INFO L82 PathProgramCache]: Analyzing trace with hash -2039406739, now seen corresponding path program 1 times [2020-07-07 11:29:27,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:29:27,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020750279] [2020-07-07 11:29:27,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:29:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:28,983 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 386 proven. 221 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-07-07 11:29:28,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020750279] [2020-07-07 11:29:28,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400730229] [2020-07-07 11:29:28,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:29,117 INFO L264 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:29:29,123 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:29:29,300 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2020-07-07 11:29:29,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:29:29,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2020-07-07 11:29:29,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037653127] [2020-07-07 11:29:29,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:29:29,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:29:29,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:29:29,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-07-07 11:29:29,303 INFO L87 Difference]: Start difference. First operand 2808 states and 3618 transitions. Second operand 3 states. [2020-07-07 11:29:30,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:29:30,152 INFO L93 Difference]: Finished difference Result 3908 states and 4995 transitions. [2020-07-07 11:29:30,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:29:30,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 436 [2020-07-07 11:29:30,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:29:30,176 INFO L225 Difference]: With dead ends: 3908 [2020-07-07 11:29:30,177 INFO L226 Difference]: Without dead ends: 3906 [2020-07-07 11:29:30,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-07-07 11:29:30,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3906 states. [2020-07-07 11:29:30,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3906 to 2992. [2020-07-07 11:29:30,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2992 states. [2020-07-07 11:29:30,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2992 states to 2992 states and 3885 transitions. [2020-07-07 11:29:30,270 INFO L78 Accepts]: Start accepts. Automaton has 2992 states and 3885 transitions. Word has length 436 [2020-07-07 11:29:30,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:29:30,271 INFO L479 AbstractCegarLoop]: Abstraction has 2992 states and 3885 transitions. [2020-07-07 11:29:30,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:29:30,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2992 states and 3885 transitions. [2020-07-07 11:29:30,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2020-07-07 11:29:30,284 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:29:30,284 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-07 11:29:30,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:30,498 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:29:30,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:29:30,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1040109181, now seen corresponding path program 1 times [2020-07-07 11:29:30,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:29:30,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610322272] [2020-07-07 11:29:30,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:29:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:32,362 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 386 proven. 247 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-07-07 11:29:32,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610322272] [2020-07-07 11:29:32,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468860423] [2020-07-07 11:29:32,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:32,504 INFO L264 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:29:32,510 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:29:32,644 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2020-07-07 11:29:32,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:29:32,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2020-07-07 11:29:32,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957127130] [2020-07-07 11:29:32,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:29:32,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:29:32,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:29:32,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2020-07-07 11:29:32,646 INFO L87 Difference]: Start difference. First operand 2992 states and 3885 transitions. Second operand 3 states. [2020-07-07 11:29:33,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:29:33,646 INFO L93 Difference]: Finished difference Result 4458 states and 6033 transitions. [2020-07-07 11:29:33,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:29:33,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 492 [2020-07-07 11:29:33,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:29:33,672 INFO L225 Difference]: With dead ends: 4458 [2020-07-07 11:29:33,672 INFO L226 Difference]: Without dead ends: 4456 [2020-07-07 11:29:33,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 500 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2020-07-07 11:29:33,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4456 states. [2020-07-07 11:29:33,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4456 to 2994. [2020-07-07 11:29:33,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2994 states. [2020-07-07 11:29:33,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 2994 states and 3893 transitions. [2020-07-07 11:29:33,774 INFO L78 Accepts]: Start accepts. Automaton has 2994 states and 3893 transitions. Word has length 492 [2020-07-07 11:29:33,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:29:33,775 INFO L479 AbstractCegarLoop]: Abstraction has 2994 states and 3893 transitions. [2020-07-07 11:29:33,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:29:33,775 INFO L276 IsEmpty]: Start isEmpty. Operand 2994 states and 3893 transitions. [2020-07-07 11:29:33,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2020-07-07 11:29:33,793 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:29:33,793 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-07 11:29:34,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-07 11:29:34,009 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:29:34,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:29:34,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1292413730, now seen corresponding path program 1 times [2020-07-07 11:29:34,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:29:34,011 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132800505] [2020-07-07 11:29:34,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:29:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:35,402 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 386 proven. 247 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-07-07 11:29:35,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132800505] [2020-07-07 11:29:35,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792893330] [2020-07-07 11:29:35,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:29:35,564 INFO L264 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:29:35,570 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:29:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2020-07-07 11:29:35,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:29:35,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2020-07-07 11:29:35,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221289547] [2020-07-07 11:29:35,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:29:35,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:29:35,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:29:35,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2020-07-07 11:29:35,702 INFO L87 Difference]: Start difference. First operand 2994 states and 3893 transitions. Second operand 3 states. [2020-07-07 11:29:36,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:29:36,590 INFO L93 Difference]: Finished difference Result 6898 states and 8895 transitions. [2020-07-07 11:29:36,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:29:36,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 519 [2020-07-07 11:29:36,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:29:36,592 INFO L225 Difference]: With dead ends: 6898 [2020-07-07 11:29:36,592 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 11:29:36,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 527 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2020-07-07 11:29:36,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 11:29:36,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 11:29:36,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 11:29:36,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 11:29:36,607 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 519 [2020-07-07 11:29:36,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:29:36,608 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 11:29:36,608 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:29:36,608 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 11:29:36,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 11:29:36,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:29:36,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 11:29:37,698 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 30 [2020-07-07 11:29:37,821 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2020-07-07 11:29:37,929 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2020-07-07 11:29:37,932 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:29:37,933 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a24~0 |old(~a24~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-07-07 11:29:37,933 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:29:37,933 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-07-07 11:29:37,933 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-07-07 11:29:37,933 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,933 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,933 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,933 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-07-07 11:29:37,933 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-07 11:29:37,934 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-07 11:29:37,934 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-07 11:29:37,934 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-07-07 11:29:37,934 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-07-07 11:29:37,934 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-07-07 11:29:37,934 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-07-07 11:29:37,934 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,934 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,934 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,934 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-07-07 11:29:37,934 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-07-07 11:29:37,934 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-07 11:29:37,935 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-07 11:29:37,935 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-07 11:29:37,935 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-07-07 11:29:37,935 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-07-07 11:29:37,935 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-07-07 11:29:37,935 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,935 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,935 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,935 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-07-07 11:29:37,935 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-07 11:29:37,936 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-07 11:29:37,936 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-07 11:29:37,936 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-07-07 11:29:37,936 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-07-07 11:29:37,936 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-07-07 11:29:37,936 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-07-07 11:29:37,936 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-07-07 11:29:37,936 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,936 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,936 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,937 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-07-07 11:29:37,937 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-07 11:29:37,937 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-07 11:29:37,937 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-07 11:29:37,937 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-07-07 11:29:37,937 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-07-07 11:29:37,937 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-07-07 11:29:37,937 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,938 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,938 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,938 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-07-07 11:29:37,938 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-07 11:29:37,938 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-07 11:29:37,938 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-07 11:29:37,938 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-07-07 11:29:37,938 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-07-07 11:29:37,939 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-07-07 11:29:37,939 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-07-07 11:29:37,939 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-07-07 11:29:37,939 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,939 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,939 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,939 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,940 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-07-07 11:29:37,940 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-07 11:29:37,940 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-07 11:29:37,940 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-07 11:29:37,940 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-07-07 11:29:37,940 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-07-07 11:29:37,940 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-07-07 11:29:37,940 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-07-07 11:29:37,941 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,941 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,941 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,941 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-07 11:29:37,941 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-07 11:29:37,941 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-07 11:29:37,941 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-07-07 11:29:37,941 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-07-07 11:29:37,942 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-07-07 11:29:37,942 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-07-07 11:29:37,942 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-07-07 11:29:37,942 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,942 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,942 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,942 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-07-07 11:29:37,942 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-07-07 11:29:37,943 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-07 11:29:37,943 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-07 11:29:37,943 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-07 11:29:37,943 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-07-07 11:29:37,943 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)))) (and (or .cse0 (not (<= |old(~a15~0)| 5))) (or .cse0 (not (<= |old(~a12~0)| 80))) (or .cse0 (and (not (<= |old(~a21~0)| 9)) (not (<= 7 |old(~a15~0)|)))))) [2020-07-07 11:29:37,943 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-07-07 11:29:37,944 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-07-07 11:29:37,944 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,944 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,944 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,944 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-07 11:29:37,944 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-07 11:29:37,944 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-07 11:29:37,945 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-07-07 11:29:37,945 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-07-07 11:29:37,945 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-07-07 11:29:37,945 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-07-07 11:29:37,945 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-07-07 11:29:37,945 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,945 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,945 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,946 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-07-07 11:29:37,946 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-07-07 11:29:37,946 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-07 11:29:37,946 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-07 11:29:37,946 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-07 11:29:37,946 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-07-07 11:29:37,946 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-07-07 11:29:37,946 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-07-07 11:29:37,947 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,947 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,947 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,947 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-07-07 11:29:37,947 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-07 11:29:37,947 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-07 11:29:37,947 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-07 11:29:37,947 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-07-07 11:29:37,948 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-07-07 11:29:37,948 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-07-07 11:29:37,948 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-07-07 11:29:37,948 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,948 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,948 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,948 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-07-07 11:29:37,948 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-07 11:29:37,949 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-07 11:29:37,949 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-07 11:29:37,949 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-07-07 11:29:37,949 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-07-07 11:29:37,949 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-07-07 11:29:37,949 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-07-07 11:29:37,949 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,949 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,949 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-07-07 11:29:37,950 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-07 11:29:37,950 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-07 11:29:37,950 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-07-07 11:29:37,950 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-07-07 11:29:37,950 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-07-07 11:29:37,950 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-07-07 11:29:37,950 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-07-07 11:29:37,950 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2020-07-07 11:29:37,951 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,951 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,951 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-07-07 11:29:37,951 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-07 11:29:37,951 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-07 11:29:37,951 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-07-07 11:29:37,951 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-07-07 11:29:37,951 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-07-07 11:29:37,951 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,952 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,952 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-07-07 11:29:37,952 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-07-07 11:29:37,952 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-07 11:29:37,952 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-07 11:29:37,952 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-07-07 11:29:37,952 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-07-07 11:29:37,952 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-07-07 11:29:37,952 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-07-07 11:29:37,953 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,953 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,953 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-07-07 11:29:37,953 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-07-07 11:29:37,953 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-07 11:29:37,953 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-07 11:29:37,953 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-07-07 11:29:37,953 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-07-07 11:29:37,953 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-07-07 11:29:37,954 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,954 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,954 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,954 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-07-07 11:29:37,954 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-07-07 11:29:37,954 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-07 11:29:37,954 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-07 11:29:37,954 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-07-07 11:29:37,954 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-07-07 11:29:37,955 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,955 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,955 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-07 11:29:37,955 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,955 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-07-07 11:29:37,955 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-07-07 11:29:37,955 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-07-07 11:29:37,955 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-07 11:29:37,955 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-07 11:29:37,956 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-07 11:29:37,956 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-07-07 11:29:37,956 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-07-07 11:29:37,956 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-07-07 11:29:37,956 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-07-07 11:29:37,956 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,956 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,956 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,956 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-07-07 11:29:37,957 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-07 11:29:37,957 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-07 11:29:37,957 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-07 11:29:37,957 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-07-07 11:29:37,957 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-07-07 11:29:37,957 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-07-07 11:29:37,957 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-07-07 11:29:37,957 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,957 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,958 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,958 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-07-07 11:29:37,958 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-07-07 11:29:37,958 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-07 11:29:37,958 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-07 11:29:37,958 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-07 11:29:37,958 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-07-07 11:29:37,958 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-07-07 11:29:37,958 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-07-07 11:29:37,959 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,959 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,959 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,959 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-07-07 11:29:37,959 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-07 11:29:37,959 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-07 11:29:37,959 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-07 11:29:37,959 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-07-07 11:29:37,959 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-07-07 11:29:37,959 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-07-07 11:29:37,960 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-07-07 11:29:37,960 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-07-07 11:29:37,960 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,960 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,960 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-07-07 11:29:37,960 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-07-07 11:29:37,960 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-07 11:29:37,960 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-07 11:29:37,960 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-07 11:29:37,961 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-07-07 11:29:37,961 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:29:37,961 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a24~0 1) (<= (+ ~a12~0 49) 0) (= 8 ~a15~0) (<= ~a21~0 9)) [2020-07-07 11:29:37,961 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 11:29:37,961 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:29:37,961 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= |old(~a24~0)| 1)) (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= |old(~a21~0)| 9)) (not (= 8 |old(~a15~0)|))) [2020-07-07 11:29:37,962 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-07-07 11:29:37,962 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (<= |old(~a24~0)| 1)) (<= 7 ~a15~0) (<= ~a15~0 5) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= |old(~a21~0)| 9)) (not (= 8 |old(~a15~0)|)) (<= ~a12~0 80) (<= ~a21~0 9)) [2020-07-07 11:29:37,962 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-07-07 11:29:37,962 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-07-07 11:29:37,962 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (not (<= |old(~a24~0)| 1)) (<= 7 ~a15~0) (<= ~a15~0 5) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= |old(~a21~0)| 9)) (not (= 8 |old(~a15~0)|)) (<= ~a12~0 80) (<= ~a21~0 9)) [2020-07-07 11:29:37,962 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-07-07 11:29:37,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 11:29:37 BoogieIcfgContainer [2020-07-07 11:29:37,991 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 11:29:37,997 INFO L168 Benchmark]: Toolchain (without parser) took 28686.52 ms. Allocated memory was 143.7 MB in the beginning and 829.9 MB in the end (delta: 686.3 MB). Free memory was 99.7 MB in the beginning and 647.1 MB in the end (delta: -547.4 MB). Peak memory consumption was 710.5 MB. Max. memory is 7.1 GB. [2020-07-07 11:29:37,998 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-07 11:29:38,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 816.93 ms. Allocated memory was 143.7 MB in the beginning and 204.5 MB in the end (delta: 60.8 MB). Free memory was 99.3 MB in the beginning and 167.6 MB in the end (delta: -68.3 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2020-07-07 11:29:38,009 INFO L168 Benchmark]: Boogie Preprocessor took 127.78 ms. Allocated memory is still 204.5 MB. Free memory was 167.6 MB in the beginning and 161.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2020-07-07 11:29:38,010 INFO L168 Benchmark]: RCFGBuilder took 1648.48 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 161.7 MB in the beginning and 156.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2020-07-07 11:29:38,010 INFO L168 Benchmark]: TraceAbstraction took 26087.89 ms. Allocated memory was 234.4 MB in the beginning and 829.9 MB in the end (delta: 595.6 MB). Free memory was 156.3 MB in the beginning and 647.1 MB in the end (delta: -490.8 MB). Peak memory consumption was 676.3 MB. Max. memory is 7.1 GB. [2020-07-07 11:29:38,019 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 816.93 ms. Allocated memory was 143.7 MB in the beginning and 204.5 MB in the end (delta: 60.8 MB). Free memory was 99.3 MB in the beginning and 167.6 MB in the end (delta: -68.3 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.78 ms. Allocated memory is still 204.5 MB. Free memory was 167.6 MB in the beginning and 161.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1648.48 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 161.7 MB in the beginning and 156.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26087.89 ms. Allocated memory was 234.4 MB in the beginning and 829.9 MB in the end (delta: 595.6 MB). Free memory was 156.3 MB in the beginning and 647.1 MB in the end (delta: -490.8 MB). Peak memory consumption was 676.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((!(\old(a24) <= 1) || 7 <= a15) || a15 <= 5) || !(\old(a12) + 49 <= 0)) || !(\old(a21) <= 9)) || !(8 == \old(a15))) || a12 <= 80) || a21 <= 9 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.8s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 13.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 744 SDtfs, 3601 SDslu, 195 SDs, 0 SdLazy, 6489 SolverSat, 1864 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2309 GetRequests, 2217 SyntacticMatches, 2 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2994occurred 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: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 3192 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 62 PreInvPairs, 104 NumberOfFragments, 201 HoareAnnotationTreeSize, 62 FomulaSimplifications, 36624 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3608 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 4570 NumberOfCodeBlocks, 4570 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 4556 ConstructedInterpolants, 0 QuantifiedInterpolants, 10744485 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3445 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 4441/5229 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...