/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_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 13:38:42,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:38:42,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:38:42,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 13:38:42,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 13:38:42,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 13:38:42,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 13:38:42,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 13:38:42,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 13:38:42,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 13:38:42,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 13:38:42,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 13:38:42,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:38:42,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:38:42,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:38:42,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:38:42,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:38:42,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:38:42,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:38:42,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:38:42,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:38:42,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:38:42,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:38:42,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:38:42,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 13:38:42,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 13:38:42,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 13:38:42,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 13:38:42,753 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-04 13:38:42,817 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:38:42,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:38:42,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:38:42,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:38:42,819 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:38:42,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:38:42,820 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:38:42,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:38:42,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:38:42,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:38:42,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:38:42,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:38:42,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:38:42,821 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:38:42,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:38:42,822 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:38:42,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:38:42,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:38:42,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:38:42,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:38:42,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:38:42,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:38:42,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:38:42,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:38:42,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:38:42,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:38:42,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:38:42,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:38:42,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:38:42,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:38:43,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:38:43,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:38:43,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:38:43,330 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:38:43,330 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:38:43,332 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label39.c [2020-09-04 13:38:43,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e4de9bc5/3b66a0a37bc7473cbb1ac9ae2c55dcd1/FLAG30352f7a9 [2020-09-04 13:38:44,095 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:38:44,096 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label39.c [2020-09-04 13:38:44,115 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e4de9bc5/3b66a0a37bc7473cbb1ac9ae2c55dcd1/FLAG30352f7a9 [2020-09-04 13:38:44,303 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e4de9bc5/3b66a0a37bc7473cbb1ac9ae2c55dcd1 [2020-09-04 13:38:44,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:38:44,318 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:38:44,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:38:44,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:38:44,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:38:44,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:38:44" (1/1) ... [2020-09-04 13:38:44,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ccc0ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:44, skipping insertion in model container [2020-09-04 13:38:44,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:38:44" (1/1) ... [2020-09-04 13:38:44,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:38:44,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:38:44,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:38:44,942 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:38:45,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:38:45,177 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:38:45,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:45 WrapperNode [2020-09-04 13:38:45,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:38:45,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:38:45,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:38:45,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:38:45,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:45" (1/1) ... [2020-09-04 13:38:45,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:45" (1/1) ... [2020-09-04 13:38:45,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:45" (1/1) ... [2020-09-04 13:38:45,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:45" (1/1) ... [2020-09-04 13:38:45,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:45" (1/1) ... [2020-09-04 13:38:45,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:45" (1/1) ... [2020-09-04 13:38:45,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:45" (1/1) ... [2020-09-04 13:38:45,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:38:45,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:38:45,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:38:45,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:38:45,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:38:45,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:38:45,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:38:45,413 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 13:38:45,413 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:38:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 13:38:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:38:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 13:38:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 13:38:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:38:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:38:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:38:46,831 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:38:46,832 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 13:38:46,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:38:46 BoogieIcfgContainer [2020-09-04 13:38:46,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:38:46,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:38:46,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:38:46,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:38:46,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:38:44" (1/3) ... [2020-09-04 13:38:46,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fca9cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:38:46, skipping insertion in model container [2020-09-04 13:38:46,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:45" (2/3) ... [2020-09-04 13:38:46,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fca9cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:38:46, skipping insertion in model container [2020-09-04 13:38:46,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:38:46" (3/3) ... [2020-09-04 13:38:46,851 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label39.c [2020-09-04 13:38:46,863 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:38:46,875 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:38:46,899 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:38:46,934 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:38:46,934 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:38:46,934 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:38:46,935 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:38:46,935 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:38:46,935 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:38:46,935 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:38:46,935 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:38:46,964 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-09-04 13:38:46,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-09-04 13:38:46,975 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:46,976 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] [2020-09-04 13:38:46,976 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:46,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:46,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1917412719, now seen corresponding path program 1 times [2020-09-04 13:38:46,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:46,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714451140] [2020-09-04 13:38:46,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:47,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:47,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:47,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714451140] [2020-09-04 13:38:47,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:38:47,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 13:38:47,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560214178] [2020-09-04 13:38:47,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 13:38:47,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:47,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 13:38:47,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-04 13:38:47,437 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-09-04 13:38:48,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:48,975 INFO L93 Difference]: Finished difference Result 596 states and 1022 transitions. [2020-09-04 13:38:48,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 13:38:48,977 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-09-04 13:38:48,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:48,996 INFO L225 Difference]: With dead ends: 596 [2020-09-04 13:38:48,996 INFO L226 Difference]: Without dead ends: 302 [2020-09-04 13:38:49,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:38:49,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-09-04 13:38:49,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-09-04 13:38:49,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-04 13:38:49,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2020-09-04 13:38:49,093 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 32 [2020-09-04 13:38:49,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:49,094 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2020-09-04 13:38:49,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 13:38:49,094 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2020-09-04 13:38:49,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-09-04 13:38:49,099 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:49,100 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:38:49,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:38:49,101 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:49,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:49,101 INFO L82 PathProgramCache]: Analyzing trace with hash 845536850, now seen corresponding path program 1 times [2020-09-04 13:38:49,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:49,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574941877] [2020-09-04 13:38:49,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:49,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:49,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:49,462 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:49,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574941877] [2020-09-04 13:38:49,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589655117] [2020-09-04 13:38:49,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:38:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:49,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:38:49,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:49,660 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:49,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:38:49,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-09-04 13:38:49,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723839323] [2020-09-04 13:38:49,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:38:49,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:49,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:38:49,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-04 13:38:49,665 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand 3 states. [2020-09-04 13:38:50,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:50,386 INFO L93 Difference]: Finished difference Result 586 states and 899 transitions. [2020-09-04 13:38:50,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:38:50,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-09-04 13:38:50,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:50,397 INFO L225 Difference]: With dead ends: 586 [2020-09-04 13:38:50,397 INFO L226 Difference]: Without dead ends: 584 [2020-09-04 13:38:50,399 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-04 13:38:50,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2020-09-04 13:38:50,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 296. [2020-09-04 13:38:50,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-04 13:38:50,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2020-09-04 13:38:50,435 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 102 [2020-09-04 13:38:50,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:50,435 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2020-09-04 13:38:50,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:38:50,436 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2020-09-04 13:38:50,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-09-04 13:38:50,439 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:50,439 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:38:50,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-09-04 13:38:50,653 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:50,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:50,654 INFO L82 PathProgramCache]: Analyzing trace with hash -818504711, now seen corresponding path program 1 times [2020-09-04 13:38:50,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:50,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283156068] [2020-09-04 13:38:50,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:50,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:50,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:50,905 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:50,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283156068] [2020-09-04 13:38:50,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:38:50,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:38:50,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007444307] [2020-09-04 13:38:50,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:38:50,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:50,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:38:50,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:38:50,908 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand 8 states. [2020-09-04 13:38:52,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:52,626 INFO L93 Difference]: Finished difference Result 751 states and 1156 transitions. [2020-09-04 13:38:52,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 13:38:52,627 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 105 [2020-09-04 13:38:52,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:52,631 INFO L225 Difference]: With dead ends: 751 [2020-09-04 13:38:52,632 INFO L226 Difference]: Without dead ends: 461 [2020-09-04 13:38:52,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-09-04 13:38:52,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2020-09-04 13:38:52,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 445. [2020-09-04 13:38:52,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-09-04 13:38:52,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 626 transitions. [2020-09-04 13:38:52,669 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 626 transitions. Word has length 105 [2020-09-04 13:38:52,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:52,670 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 626 transitions. [2020-09-04 13:38:52,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:38:52,670 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 626 transitions. [2020-09-04 13:38:52,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-09-04 13:38:52,673 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:52,674 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:38:52,674 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 13:38:52,674 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:52,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:52,675 INFO L82 PathProgramCache]: Analyzing trace with hash 2130716026, now seen corresponding path program 1 times [2020-09-04 13:38:52,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:52,675 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048113290] [2020-09-04 13:38:52,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:52,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:52,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:52,919 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:52,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048113290] [2020-09-04 13:38:52,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:38:52,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:38:52,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289834369] [2020-09-04 13:38:52,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:38:52,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:52,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:38:52,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:38:52,922 INFO L87 Difference]: Start difference. First operand 445 states and 626 transitions. Second operand 8 states. [2020-09-04 13:38:55,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:55,205 INFO L93 Difference]: Finished difference Result 1645 states and 2369 transitions. [2020-09-04 13:38:55,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 13:38:55,206 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 114 [2020-09-04 13:38:55,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:55,214 INFO L225 Difference]: With dead ends: 1645 [2020-09-04 13:38:55,214 INFO L226 Difference]: Without dead ends: 1206 [2020-09-04 13:38:55,216 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-09-04 13:38:55,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2020-09-04 13:38:55,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1192. [2020-09-04 13:38:55,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1192 states. [2020-09-04 13:38:55,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1533 transitions. [2020-09-04 13:38:55,264 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1533 transitions. Word has length 114 [2020-09-04 13:38:55,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:55,265 INFO L479 AbstractCegarLoop]: Abstraction has 1192 states and 1533 transitions. [2020-09-04 13:38:55,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:38:55,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1533 transitions. [2020-09-04 13:38:55,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-09-04 13:38:55,272 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:55,272 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 13:38:55,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 13:38:55,273 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:55,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:55,273 INFO L82 PathProgramCache]: Analyzing trace with hash -427970360, now seen corresponding path program 1 times [2020-09-04 13:38:55,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:55,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435349412] [2020-09-04 13:38:55,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:55,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:55,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:55,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-04 13:38:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:55,566 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 50 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 13:38:55,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435349412] [2020-09-04 13:38:55,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767305872] [2020-09-04 13:38:55,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:38:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:55,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:38:55,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:55,719 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-09-04 13:38:55,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:38:55,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-09-04 13:38:55,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995805536] [2020-09-04 13:38:55,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:38:55,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:55,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:38:55,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:38:55,722 INFO L87 Difference]: Start difference. First operand 1192 states and 1533 transitions. Second operand 3 states. [2020-09-04 13:38:56,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:56,496 INFO L93 Difference]: Finished difference Result 2815 states and 3667 transitions. [2020-09-04 13:38:56,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:38:56,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2020-09-04 13:38:56,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:56,504 INFO L225 Difference]: With dead ends: 2815 [2020-09-04 13:38:56,504 INFO L226 Difference]: Without dead ends: 1041 [2020-09-04 13:38:56,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:38:56,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2020-09-04 13:38:56,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 1041. [2020-09-04 13:38:56,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1041 states. [2020-09-04 13:38:56,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1348 transitions. [2020-09-04 13:38:56,546 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1348 transitions. Word has length 201 [2020-09-04 13:38:56,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:56,547 INFO L479 AbstractCegarLoop]: Abstraction has 1041 states and 1348 transitions. [2020-09-04 13:38:56,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:38:56,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1348 transitions. [2020-09-04 13:38:56,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-09-04 13:38:56,553 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:56,553 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 13:38:56,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:56,769 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:56,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:56,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1389600879, now seen corresponding path program 1 times [2020-09-04 13:38:56,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:56,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164227048] [2020-09-04 13:38:56,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:56,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:56,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:56,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 13:38:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:57,131 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 13:38:57,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164227048] [2020-09-04 13:38:57,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56822554] [2020-09-04 13:38:57,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:38:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:57,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:38:57,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:57,362 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 118 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:57,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:38:57,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-09-04 13:38:57,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146918729] [2020-09-04 13:38:57,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 13:38:57,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:57,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 13:38:57,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:38:57,365 INFO L87 Difference]: Start difference. First operand 1041 states and 1348 transitions. Second operand 10 states. [2020-09-04 13:39:00,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:00,665 INFO L93 Difference]: Finished difference Result 2561 states and 3374 transitions. [2020-09-04 13:39:00,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-04 13:39:00,666 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 238 [2020-09-04 13:39:00,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:00,667 INFO L225 Difference]: With dead ends: 2561 [2020-09-04 13:39:00,667 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 13:39:00,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=412, Unknown=0, NotChecked=0, Total=552 [2020-09-04 13:39:00,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 13:39:00,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 13:39:00,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 13:39:00,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 13:39:00,675 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 238 [2020-09-04 13:39:00,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:00,676 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 13:39:00,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 13:39:00,676 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 13:39:00,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 13:39:00,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:39:00,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 13:39:01,773 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 31 [2020-09-04 13:39:01,915 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 31 [2020-09-04 13:39:02,034 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 31 [2020-09-04 13:39:02,038 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:39:02,038 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-09-04 13:39:02,038 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:39:02,039 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-09-04 13:39:02,039 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,039 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,039 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,039 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,039 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,039 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,040 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-09-04 13:39:02,040 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-09-04 13:39:02,040 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-04 13:39:02,040 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-04 13:39:02,040 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-04 13:39:02,040 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-04 13:39:02,040 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-04 13:39:02,041 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-04 13:39:02,041 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-09-04 13:39:02,041 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-09-04 13:39:02,041 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-09-04 13:39:02,041 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,041 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,041 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,041 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,042 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,042 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-09-04 13:39:02,042 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-09-04 13:39:02,042 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-09-04 13:39:02,042 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-09-04 13:39:02,042 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-04 13:39:02,043 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-04 13:39:02,043 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-04 13:39:02,043 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-04 13:39:02,043 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-04 13:39:02,043 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-09-04 13:39:02,043 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-09-04 13:39:02,043 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-09-04 13:39:02,044 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-09-04 13:39:02,044 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-09-04 13:39:02,044 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-09-04 13:39:02,044 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,044 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,044 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,044 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,045 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,045 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-09-04 13:39:02,045 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-04 13:39:02,045 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-04 13:39:02,045 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-04 13:39:02,045 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-04 13:39:02,045 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-04 13:39:02,046 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-09-04 13:39:02,046 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-09-04 13:39:02,046 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-09-04 13:39:02,046 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-09-04 13:39:02,046 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,046 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,046 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,047 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,047 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,047 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-09-04 13:39:02,047 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-09-04 13:39:02,047 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-09-04 13:39:02,047 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-04 13:39:02,047 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-04 13:39:02,048 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-04 13:39:02,048 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-04 13:39:02,048 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-04 13:39:02,048 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-09-04 13:39:02,048 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-09-04 13:39:02,048 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-09-04 13:39:02,048 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-09-04 13:39:02,049 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-09-04 13:39:02,049 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,049 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,049 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,049 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,049 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,049 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-04 13:39:02,050 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-04 13:39:02,050 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-04 13:39:02,050 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-04 13:39:02,050 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-04 13:39:02,050 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-09-04 13:39:02,050 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-09-04 13:39:02,050 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-09-04 13:39:02,051 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-09-04 13:39:02,051 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,051 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,051 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,051 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,051 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,051 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,052 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,052 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-09-04 13:39:02,052 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-09-04 13:39:02,052 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-09-04 13:39:02,052 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-09-04 13:39:02,052 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-04 13:39:02,052 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-04 13:39:02,053 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-04 13:39:02,053 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-04 13:39:02,053 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-04 13:39:02,053 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-09-04 13:39:02,053 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-09-04 13:39:02,053 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-09-04 13:39:02,053 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-09-04 13:39:02,053 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,054 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,054 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,054 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,054 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-04 13:39:02,054 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,054 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,054 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-09-04 13:39:02,055 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-09-04 13:39:02,055 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-09-04 13:39:02,055 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-04 13:39:02,055 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-04 13:39:02,055 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-04 13:39:02,055 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-04 13:39:02,055 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-04 13:39:02,056 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-04 13:39:02,056 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-09-04 13:39:02,056 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-09-04 13:39:02,056 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-09-04 13:39:02,056 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-09-04 13:39:02,056 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,056 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,056 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,057 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,057 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,057 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,057 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-09-04 13:39:02,057 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-09-04 13:39:02,057 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-09-04 13:39:02,057 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-04 13:39:02,057 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-04 13:39:02,057 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-04 13:39:02,058 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-04 13:39:02,058 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-04 13:39:02,058 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-04 13:39:02,058 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-09-04 13:39:02,058 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-09-04 13:39:02,058 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (not (<= 2 |old(~a10~0)|)) (not (<= |old(~a19~0)| 9))) (or (and (not (<= 23 |old(~a1~0)|)) (not (<= 9 |old(~a19~0)|))) .cse0 (= 4 |old(~a10~0)|)) (or (not (<= |old(~a19~0)| 7)) .cse0))) [2020-09-04 13:39:02,058 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-09-04 13:39:02,059 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-09-04 13:39:02,059 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-09-04 13:39:02,059 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,059 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,059 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,059 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,059 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,059 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,060 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-09-04 13:39:02,060 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-04 13:39:02,060 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-04 13:39:02,060 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-04 13:39:02,060 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-04 13:39:02,060 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-04 13:39:02,060 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-04 13:39:02,060 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-09-04 13:39:02,061 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-09-04 13:39:02,061 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-09-04 13:39:02,061 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-09-04 13:39:02,061 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-09-04 13:39:02,061 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-09-04 13:39:02,061 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,061 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,061 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,062 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,062 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,062 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,062 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-09-04 13:39:02,062 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-09-04 13:39:02,062 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-09-04 13:39:02,062 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-04 13:39:02,062 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-04 13:39:02,062 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-04 13:39:02,063 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-04 13:39:02,063 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-04 13:39:02,063 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-04 13:39:02,063 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-09-04 13:39:02,063 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-09-04 13:39:02,063 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-09-04 13:39:02,063 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,063 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,064 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,064 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,064 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,064 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:02,064 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-09-04 13:39:02,064 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-09-04 13:39:02,064 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-09-04 13:39:02,064 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-04 13:39:02,065 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-04 13:39:02,065 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-04 13:39:02,065 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-04 13:39:02,065 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-04 13:39:02,065 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-04 13:39:02,065 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-09-04 13:39:02,065 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-09-04 13:39:02,065 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-09-04 13:39:02,065 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:39:02,066 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9)) [2020-09-04 13:39:02,066 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 13:39:02,066 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:39:02,066 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9))) [2020-09-04 13:39:02,066 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-09-04 13:39:02,066 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (and (<= ~a19~0 9) (<= 2 ~a10~0)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (<= ~a19~0 7) (and (not (= ~a10~0 4)) (or (<= 23 ~a1~0) (<= 9 ~a19~0))) (not (<= |old(~a19~0)| 9))) [2020-09-04 13:39:02,066 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-09-04 13:39:02,067 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-09-04 13:39:02,067 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (and (<= ~a19~0 9) (<= 2 ~a10~0)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (<= ~a19~0 7) (and (not (= ~a10~0 4)) (or (<= 23 ~a1~0) (<= 9 ~a19~0))) (not (<= |old(~a19~0)| 9))) [2020-09-04 13:39:02,067 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-09-04 13:39:02,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:39:02 BoogieIcfgContainer [2020-09-04 13:39:02,090 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:39:02,092 INFO L168 Benchmark]: Toolchain (without parser) took 17774.57 ms. Allocated memory was 140.0 MB in the beginning and 421.0 MB in the end (delta: 281.0 MB). Free memory was 100.5 MB in the beginning and 292.4 MB in the end (delta: -191.8 MB). Peak memory consumption was 297.8 MB. Max. memory is 7.1 GB. [2020-09-04 13:39:02,093 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 140.0 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 13:39:02,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 859.32 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 100.3 MB in the beginning and 169.1 MB in the end (delta: -68.8 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2020-09-04 13:39:02,095 INFO L168 Benchmark]: Boogie Preprocessor took 133.31 ms. Allocated memory is still 202.9 MB. Free memory was 169.1 MB in the beginning and 164.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-09-04 13:39:02,096 INFO L168 Benchmark]: RCFGBuilder took 1527.33 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 164.1 MB in the beginning and 179.6 MB in the end (delta: -15.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2020-09-04 13:39:02,097 INFO L168 Benchmark]: TraceAbstraction took 15248.97 ms. Allocated memory was 234.4 MB in the beginning and 421.0 MB in the end (delta: 186.6 MB). Free memory was 179.6 MB in the beginning and 292.4 MB in the end (delta: -112.7 MB). Peak memory consumption was 282.5 MB. Max. memory is 7.1 GB. [2020-09-04 13:39:02,104 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 140.0 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 859.32 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 100.3 MB in the beginning and 169.1 MB in the end (delta: -68.8 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.31 ms. Allocated memory is still 202.9 MB. Free memory was 169.1 MB in the beginning and 164.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1527.33 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 164.1 MB in the beginning and 179.6 MB in the end (delta: -15.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15248.97 ms. Allocated memory was 234.4 MB in the beginning and 421.0 MB in the end (delta: 186.6 MB). Free memory was 179.6 MB in the beginning and 292.4 MB in the end (delta: -112.7 MB). Peak memory consumption was 282.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: (((((!(23 <= \old(a1)) || (a19 <= 9 && 2 <= a10)) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || a19 <= 7) || (!(a10 == 4) && (23 <= a1 || 9 <= a19))) || !(\old(a19) <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.9s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 368 SDtfs, 3342 SDslu, 200 SDs, 0 SdLazy, 5212 SolverSat, 1138 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 625 GetRequests, 563 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1192occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 324 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 45 PreInvPairs, 81 NumberOfFragments, 211 HoareAnnotationTreeSize, 45 FomulaSimplifications, 12370 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1535 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1333 NumberOfCodeBlocks, 1333 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1324 ConstructedInterpolants, 0 QuantifiedInterpolants, 510068 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1025 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 519/604 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...