/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/Problem10_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 12:09:21,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 12:09:21,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 12:09:21,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 12:09:21,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 12:09:21,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 12:09:21,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 12:09:21,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 12:09:21,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 12:09:21,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 12:09:21,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 12:09:21,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 12:09:21,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 12:09:21,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 12:09:21,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 12:09:21,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 12:09:21,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 12:09:21,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 12:09:21,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 12:09:21,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 12:09:21,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 12:09:21,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 12:09:21,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 12:09:21,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 12:09:21,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 12:09:22,004 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 [2020-07-17 12:09:22,025 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 12:09:22,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 12:09:22,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 12:09:22,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 12:09:22,027 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 12:09:22,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 12:09:22,028 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 12:09:22,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 12:09:22,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 12:09:22,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 12:09:22,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 12:09:22,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 12:09:22,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 12:09:22,029 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 12:09:22,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 12:09:22,030 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 12:09:22,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 12:09:22,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 12:09:22,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 12:09:22,030 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 12:09:22,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 12:09:22,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:09:22,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 12:09:22,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 12:09:22,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 12:09:22,032 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 12:09:22,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 12:09:22,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 12:09:22,032 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 12:09:22,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 12:09:22,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 12:09:22,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 12:09:22,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 12:09:22,314 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 12:09:22,314 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 12:09:22,315 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-07-17 12:09:22,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4cb5ce66/a57605bc37a541a7a8fa30d3cd3dedd3/FLAG0adcb023c [2020-07-17 12:09:22,944 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 12:09:22,944 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-07-17 12:09:22,956 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4cb5ce66/a57605bc37a541a7a8fa30d3cd3dedd3/FLAG0adcb023c [2020-07-17 12:09:23,234 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4cb5ce66/a57605bc37a541a7a8fa30d3cd3dedd3 [2020-07-17 12:09:23,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 12:09:23,252 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 12:09:23,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 12:09:23,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 12:09:23,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 12:09:23,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:09:23" (1/1) ... [2020-07-17 12:09:23,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e3935bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:09:23, skipping insertion in model container [2020-07-17 12:09:23,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:09:23" (1/1) ... [2020-07-17 12:09:23,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 12:09:23,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 12:09:23,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:09:23,910 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 12:09:24,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:09:24,100 INFO L208 MainTranslator]: Completed translation [2020-07-17 12:09:24,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:09:24 WrapperNode [2020-07-17 12:09:24,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 12:09:24,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 12:09:24,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 12:09:24,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 12:09:24,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:09:24" (1/1) ... [2020-07-17 12:09:24,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:09:24" (1/1) ... [2020-07-17 12:09:24,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:09:24" (1/1) ... [2020-07-17 12:09:24,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:09:24" (1/1) ... [2020-07-17 12:09:24,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:09:24" (1/1) ... [2020-07-17 12:09:24,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:09:24" (1/1) ... [2020-07-17 12:09:24,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:09:24" (1/1) ... [2020-07-17 12:09:24,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 12:09:24,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 12:09:24,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 12:09:24,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 12:09:24,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:09:24" (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 [2020-07-17 12:09:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 12:09:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 12:09:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 12:09:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 12:09:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 12:09:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 12:09:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 12:09:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 12:09:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 12:09:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 12:09:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 12:09:25,586 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 12:09:25,587 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 12:09:25,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:09:25 BoogieIcfgContainer [2020-07-17 12:09:25,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 12:09:25,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 12:09:25,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 12:09:25,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 12:09:25,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:09:23" (1/3) ... [2020-07-17 12:09:25,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a7510c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:09:25, skipping insertion in model container [2020-07-17 12:09:25,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:09:24" (2/3) ... [2020-07-17 12:09:25,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a7510c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:09:25, skipping insertion in model container [2020-07-17 12:09:25,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:09:25" (3/3) ... [2020-07-17 12:09:25,601 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label43.c [2020-07-17 12:09:25,611 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 12:09:25,620 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 12:09:25,634 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 12:09:25,659 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 12:09:25,659 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 12:09:25,659 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 12:09:25,660 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 12:09:25,660 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 12:09:25,661 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 12:09:25,661 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 12:09:25,661 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 12:09:25,684 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-17 12:09:25,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-17 12:09:25,692 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:09:25,693 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] [2020-07-17 12:09:25,694 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:09:25,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:09:25,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1136502142, now seen corresponding path program 1 times [2020-07-17 12:09:25,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:09:25,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256666235] [2020-07-17 12:09:25,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:09:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:26,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:09:26,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256666235] [2020-07-17 12:09:26,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:09:26,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 12:09:26,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978457981] [2020-07-17 12:09:26,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:09:26,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:09:26,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:09:26,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:09:26,065 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-07-17 12:09:28,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:09:28,219 INFO L93 Difference]: Finished difference Result 730 states and 1300 transitions. [2020-07-17 12:09:28,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 12:09:28,222 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-07-17 12:09:28,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:09:28,250 INFO L225 Difference]: With dead ends: 730 [2020-07-17 12:09:28,251 INFO L226 Difference]: Without dead ends: 447 [2020-07-17 12:09:28,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 12:09:28,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-17 12:09:28,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-07-17 12:09:28,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-07-17 12:09:28,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 595 transitions. [2020-07-17 12:09:28,352 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 595 transitions. Word has length 41 [2020-07-17 12:09:28,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:09:28,353 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 595 transitions. [2020-07-17 12:09:28,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:09:28,353 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 595 transitions. [2020-07-17 12:09:28,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-17 12:09:28,360 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:09:28,360 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:09:28,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 12:09:28,361 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:09:28,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:09:28,361 INFO L82 PathProgramCache]: Analyzing trace with hash -430353343, now seen corresponding path program 1 times [2020-07-17 12:09:28,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:09:28,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027272188] [2020-07-17 12:09:28,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:09:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:09:28,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027272188] [2020-07-17 12:09:28,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105666678] [2020-07-17 12:09:28,772 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 [2020-07-17 12:09:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:28,882 INFO L264 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-17 12:09:28,904 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:09:29,000 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 12:09:29,002 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:09:31,219 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 25 [2020-07-17 12:09:34,243 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-17 12:09:34,555 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:09:34,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:09:34,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2020-07-17 12:09:34,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198597071] [2020-07-17 12:09:34,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 12:09:34,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:09:34,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 12:09:34,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-07-17 12:09:34,561 INFO L87 Difference]: Start difference. First operand 443 states and 595 transitions. Second operand 12 states. [2020-07-17 12:09:47,155 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2020-07-17 12:09:57,826 WARN L193 SmtUtils]: Spent 9.19 s on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-07-17 12:10:09,786 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 23 [2020-07-17 12:10:47,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:10:47,697 INFO L93 Difference]: Finished difference Result 1829 states and 2616 transitions. [2020-07-17 12:10:47,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-17 12:10:47,699 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 120 [2020-07-17 12:10:47,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:10:47,711 INFO L225 Difference]: With dead ends: 1829 [2020-07-17 12:10:47,711 INFO L226 Difference]: Without dead ends: 1365 [2020-07-17 12:10:47,714 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 118 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 15.7s TimeCoverageRelationStatistics Valid=139, Invalid=367, Unknown=0, NotChecked=0, Total=506 [2020-07-17 12:10:47,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2020-07-17 12:10:47,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1329. [2020-07-17 12:10:47,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1329 states. [2020-07-17 12:10:47,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1765 transitions. [2020-07-17 12:10:47,798 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1765 transitions. Word has length 120 [2020-07-17 12:10:47,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:10:47,798 INFO L479 AbstractCegarLoop]: Abstraction has 1329 states and 1765 transitions. [2020-07-17 12:10:47,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 12:10:47,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1765 transitions. [2020-07-17 12:10:47,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-17 12:10:47,812 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:10:47,813 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 12:10:48,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-17 12:10:48,028 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:10:48,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:10:48,029 INFO L82 PathProgramCache]: Analyzing trace with hash -425157170, now seen corresponding path program 1 times [2020-07-17 12:10:48,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:10:48,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390338640] [2020-07-17 12:10:48,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:10:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:48,430 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 12:10:48,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390338640] [2020-07-17 12:10:48,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360424945] [2020-07-17 12:10:48,431 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 [2020-07-17 12:10:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:48,531 INFO L264 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:10:48,550 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:10:48,647 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 136 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:10:48,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:10:48,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-07-17 12:10:48,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539384303] [2020-07-17 12:10:48,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 12:10:48,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:10:48,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 12:10:48,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-17 12:10:48,651 INFO L87 Difference]: Start difference. First operand 1329 states and 1765 transitions. Second operand 10 states. [2020-07-17 12:10:52,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:10:52,399 INFO L93 Difference]: Finished difference Result 3435 states and 4739 transitions. [2020-07-17 12:10:52,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 12:10:52,401 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2020-07-17 12:10:52,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:10:52,427 INFO L225 Difference]: With dead ends: 3435 [2020-07-17 12:10:52,427 INFO L226 Difference]: Without dead ends: 2112 [2020-07-17 12:10:52,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-07-17 12:10:52,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2112 states. [2020-07-17 12:10:52,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2112 to 2074. [2020-07-17 12:10:52,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2074 states. [2020-07-17 12:10:52,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2692 transitions. [2020-07-17 12:10:52,541 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 2692 transitions. Word has length 193 [2020-07-17 12:10:52,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:10:52,543 INFO L479 AbstractCegarLoop]: Abstraction has 2074 states and 2692 transitions. [2020-07-17 12:10:52,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 12:10:52,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2692 transitions. [2020-07-17 12:10:52,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-07-17 12:10:52,550 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:10:52,551 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 12:10:52,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:10:52,767 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:10:52,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:10:52,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1437439845, now seen corresponding path program 1 times [2020-07-17 12:10:52,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:10:52,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366440076] [2020-07-17 12:10:52,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:10:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:53,128 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 68 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 12:10:53,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366440076] [2020-07-17 12:10:53,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536617931] [2020-07-17 12:10:53,129 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 [2020-07-17 12:10:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:53,208 INFO L264 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:10:53,212 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:10:53,274 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-17 12:10:53,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:10:53,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-17 12:10:53,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418964395] [2020-07-17 12:10:53,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:10:53,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:10:53,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:10:53,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:10:53,279 INFO L87 Difference]: Start difference. First operand 2074 states and 2692 transitions. Second operand 3 states. [2020-07-17 12:10:54,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:10:54,482 INFO L93 Difference]: Finished difference Result 5155 states and 6805 transitions. [2020-07-17 12:10:54,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:10:54,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2020-07-17 12:10:54,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:10:54,502 INFO L225 Difference]: With dead ends: 5155 [2020-07-17 12:10:54,503 INFO L226 Difference]: Without dead ends: 2070 [2020-07-17 12:10:54,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:10:54,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2020-07-17 12:10:54,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 2070. [2020-07-17 12:10:54,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2070 states. [2020-07-17 12:10:54,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 2070 states and 2658 transitions. [2020-07-17 12:10:54,585 INFO L78 Accepts]: Start accepts. Automaton has 2070 states and 2658 transitions. Word has length 210 [2020-07-17 12:10:54,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:10:54,586 INFO L479 AbstractCegarLoop]: Abstraction has 2070 states and 2658 transitions. [2020-07-17 12:10:54,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:10:54,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2658 transitions. [2020-07-17 12:10:54,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-07-17 12:10:54,593 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:10:54,593 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 12:10:54,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:10:54,809 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:10:54,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:10:54,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1635854957, now seen corresponding path program 1 times [2020-07-17 12:10:54,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:10:54,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855214446] [2020-07-17 12:10:54,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:10:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:55,173 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 68 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 12:10:55,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855214446] [2020-07-17 12:10:55,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845732131] [2020-07-17 12:10:55,176 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 [2020-07-17 12:10:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:10:55,298 INFO L264 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:10:55,304 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:10:55,442 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-07-17 12:10:55,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:10:55,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-17 12:10:55,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069552024] [2020-07-17 12:10:55,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:10:55,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:10:55,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:10:55,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:10:55,448 INFO L87 Difference]: Start difference. First operand 2070 states and 2658 transitions. Second operand 3 states. [2020-07-17 12:10:56,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:10:56,609 INFO L93 Difference]: Finished difference Result 2795 states and 3699 transitions. [2020-07-17 12:10:56,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:10:56,618 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2020-07-17 12:10:56,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:10:56,622 INFO L225 Difference]: With dead ends: 2795 [2020-07-17 12:10:56,622 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 12:10:56,629 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:10:56,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 12:10:56,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 12:10:56,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 12:10:56,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 12:10:56,630 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 246 [2020-07-17 12:10:56,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:10:56,630 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 12:10:56,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:10:56,630 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 12:10:56,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 12:10:56,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:10:56,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 12:10:57,554 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 35 [2020-07-17 12:10:57,769 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:10:57,769 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2020-07-17 12:10:57,769 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:10:57,769 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-17 12:10:57,770 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,770 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,770 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,770 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,770 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,770 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,771 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-17 12:10:57,771 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-17 12:10:57,771 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-17 12:10:57,771 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-17 12:10:57,771 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-17 12:10:57,771 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-17 12:10:57,772 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-17 12:10:57,772 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-17 12:10:57,772 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-17 12:10:57,772 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-17 12:10:57,772 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-17 12:10:57,772 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,772 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,772 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,773 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,773 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,773 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-17 12:10:57,773 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-17 12:10:57,773 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-17 12:10:57,773 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-17 12:10:57,773 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-17 12:10:57,773 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-17 12:10:57,774 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-17 12:10:57,774 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-17 12:10:57,774 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-17 12:10:57,774 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-17 12:10:57,774 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-17 12:10:57,774 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-17 12:10:57,774 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-17 12:10:57,774 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2020-07-17 12:10:57,774 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-17 12:10:57,774 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,775 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,775 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,775 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,775 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,775 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-17 12:10:57,775 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-17 12:10:57,775 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-17 12:10:57,775 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-17 12:10:57,775 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-17 12:10:57,775 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-17 12:10:57,776 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-17 12:10:57,776 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-17 12:10:57,776 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-17 12:10:57,776 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-17 12:10:57,776 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,776 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,776 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,776 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,776 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,776 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-17 12:10:57,777 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-17 12:10:57,777 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-17 12:10:57,777 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-17 12:10:57,777 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-17 12:10:57,777 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-17 12:10:57,777 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-17 12:10:57,777 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-17 12:10:57,777 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-17 12:10:57,778 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-17 12:10:57,778 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-17 12:10:57,778 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-17 12:10:57,778 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-17 12:10:57,778 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,778 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,778 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,778 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,778 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,779 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-17 12:10:57,779 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-17 12:10:57,779 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-17 12:10:57,779 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-17 12:10:57,779 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-17 12:10:57,779 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-17 12:10:57,779 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-17 12:10:57,779 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-17 12:10:57,779 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-17 12:10:57,779 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,779 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,779 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,780 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,780 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,780 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,780 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,780 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-17 12:10:57,780 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-17 12:10:57,780 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-17 12:10:57,780 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-17 12:10:57,780 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-17 12:10:57,780 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-17 12:10:57,780 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-17 12:10:57,780 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-17 12:10:57,781 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-17 12:10:57,781 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-17 12:10:57,781 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-17 12:10:57,781 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-17 12:10:57,781 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-17 12:10:57,781 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,781 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,781 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,781 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,782 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-17 12:10:57,782 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,782 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,782 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-17 12:10:57,782 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-17 12:10:57,782 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-17 12:10:57,782 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-17 12:10:57,783 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-17 12:10:57,783 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-17 12:10:57,783 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-17 12:10:57,783 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-17 12:10:57,783 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-17 12:10:57,783 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-17 12:10:57,783 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-17 12:10:57,783 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-17 12:10:57,784 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-17 12:10:57,784 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,784 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,784 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,784 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,784 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,784 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,784 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-17 12:10:57,785 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-17 12:10:57,785 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-17 12:10:57,785 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-17 12:10:57,785 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-17 12:10:57,785 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-17 12:10:57,785 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-17 12:10:57,785 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-17 12:10:57,785 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-17 12:10:57,786 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-17 12:10:57,786 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-17 12:10:57,786 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)))) (and (or (not (<= |old(~a19~0)| 7)) .cse0) (or (not (<= 9 |old(~a19~0)|)) .cse0) (or (not (<= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (not (= 14 ~a4~0)) .cse0) (or .cse0 (= 1 |old(~a10~0)|)))) [2020-07-17 12:10:57,786 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-17 12:10:57,786 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-17 12:10:57,786 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-17 12:10:57,787 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,787 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,787 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,787 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,787 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,787 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,787 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-17 12:10:57,787 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-17 12:10:57,787 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-17 12:10:57,787 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-17 12:10:57,787 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-17 12:10:57,788 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-17 12:10:57,788 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-17 12:10:57,788 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-17 12:10:57,788 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-17 12:10:57,788 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-17 12:10:57,788 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-17 12:10:57,788 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-17 12:10:57,788 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-17 12:10:57,788 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,788 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,788 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,788 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,788 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,789 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,789 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-17 12:10:57,789 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-17 12:10:57,789 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-17 12:10:57,789 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-17 12:10:57,789 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-17 12:10:57,789 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-17 12:10:57,789 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-17 12:10:57,789 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-17 12:10:57,789 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-17 12:10:57,789 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-17 12:10:57,789 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-17 12:10:57,789 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-17 12:10:57,789 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,790 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,790 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,790 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,790 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,790 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:10:57,790 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-17 12:10:57,790 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-17 12:10:57,790 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-17 12:10:57,790 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-17 12:10:57,790 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-17 12:10:57,790 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-17 12:10:57,790 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-17 12:10:57,790 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-17 12:10:57,790 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-17 12:10:57,791 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-17 12:10:57,791 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-17 12:10:57,791 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-17 12:10:57,791 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:10:57,791 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= 14 ~a4~0) (<= 9 ~a19~0) (= 0 ~a12~0) (<= 23 ~a1~0)) [2020-07-17 12:10:57,791 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 12:10:57,791 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:10:57,791 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (= 0 ~a12~0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))) [2020-07-17 12:10:57,791 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-17 12:10:57,791 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (<= 9 ~a19~0) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (= 0 ~a12~0)) (not (= 1 ~a10~0)) (not (= 14 ~a4~0)) (<= 23 ~a1~0) (<= ~a19~0 7)) [2020-07-17 12:10:57,791 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-17 12:10:57,791 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-17 12:10:57,792 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (<= 9 ~a19~0) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (= 0 ~a12~0)) (not (= 1 ~a10~0)) (not (= 14 ~a4~0)) (<= 23 ~a1~0) (<= ~a19~0 7)) [2020-07-17 12:10:57,792 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-17 12:10:57,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:10:57 BoogieIcfgContainer [2020-07-17 12:10:57,810 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 12:10:57,812 INFO L168 Benchmark]: Toolchain (without parser) took 94562.64 ms. Allocated memory was 136.3 MB in the beginning and 399.0 MB in the end (delta: 262.7 MB). Free memory was 97.9 MB in the beginning and 117.4 MB in the end (delta: -19.5 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. [2020-07-17 12:10:57,813 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 136.3 MB. Free memory is still 118.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-17 12:10:57,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 846.53 ms. Allocated memory was 136.3 MB in the beginning and 201.9 MB in the end (delta: 65.5 MB). Free memory was 97.5 MB in the beginning and 167.5 MB in the end (delta: -70.0 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2020-07-17 12:10:57,814 INFO L168 Benchmark]: Boogie Preprocessor took 95.64 ms. Allocated memory is still 201.9 MB. Free memory was 167.5 MB in the beginning and 163.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-17 12:10:57,815 INFO L168 Benchmark]: RCFGBuilder took 1395.73 ms. Allocated memory was 201.9 MB in the beginning and 229.1 MB in the end (delta: 27.3 MB). Free memory was 163.1 MB in the beginning and 178.4 MB in the end (delta: -15.2 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. [2020-07-17 12:10:57,816 INFO L168 Benchmark]: TraceAbstraction took 92216.02 ms. Allocated memory was 229.1 MB in the beginning and 399.0 MB in the end (delta: 169.9 MB). Free memory was 178.4 MB in the beginning and 117.4 MB in the end (delta: 60.9 MB). Peak memory consumption was 230.8 MB. Max. memory is 7.1 GB. [2020-07-17 12:10:57,820 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 136.3 MB. Free memory is still 118.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 846.53 ms. Allocated memory was 136.3 MB in the beginning and 201.9 MB in the end (delta: 65.5 MB). Free memory was 97.5 MB in the beginning and 167.5 MB in the end (delta: -70.0 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.64 ms. Allocated memory is still 201.9 MB. Free memory was 167.5 MB in the beginning and 163.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1395.73 ms. Allocated memory was 201.9 MB in the beginning and 229.1 MB in the end (delta: 27.3 MB). Free memory was 163.1 MB in the beginning and 178.4 MB in the end (delta: -15.2 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 92216.02 ms. Allocated memory was 229.1 MB in the beginning and 399.0 MB in the end (delta: 169.9 MB). Free memory was 178.4 MB in the beginning and 117.4 MB in the end (delta: 60.9 MB). Peak memory consumption was 230.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 109]: 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: 582]: Loop Invariant Derived loop invariant: (((((((9 <= a19 || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || !(0 == a12)) || !(1 == a10)) || !(14 == a4)) || 23 <= a1) || a19 <= 7 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 91.1s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 81.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 335 SDtfs, 2739 SDslu, 196 SDs, 0 SdLazy, 5140 SolverSat, 1189 SolverUnsat, 24 SolverUnknown, 0 SolverNotchecked, 66.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 840 GetRequests, 782 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 16.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2074occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 78 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 61 PreInvPairs, 117 NumberOfFragments, 215 HoareAnnotationTreeSize, 61 FomulaSimplifications, 5212 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1935 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 1579 NumberOfCodeBlocks, 1579 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1570 ConstructedInterpolants, 37 QuantifiedInterpolants, 701559 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1424 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 733/934 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...