/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_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 13:38:09,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:38:09,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:38:09,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 13:38:09,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 13:38:09,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 13:38:09,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 13:38:09,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 13:38:09,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 13:38:09,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 13:38:09,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 13:38:09,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 13:38:09,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:38:09,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:38:09,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:38:09,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:38:09,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:38:09,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:38:09,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:38:09,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:38:09,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:38:09,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:38:09,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:38:09,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:38:09,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 13:38:09,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 13:38:09,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 13:38:09,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 13:38:09,165 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 13:38:09,225 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:38:09,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:38:09,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:38:09,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:38:09,229 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:38:09,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:38:09,229 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:38:09,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:38:09,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:38:09,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:38:09,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:38:09,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:38:09,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:38:09,232 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:38:09,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:38:09,232 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:38:09,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:38:09,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:38:09,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:38:09,233 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:38:09,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:38:09,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:38:09,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:38:09,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:38:09,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:38:09,234 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:38:09,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:38:09,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:38:09,235 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:38:09,235 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:38:09,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:38:09,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:38:09,754 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:38:09,756 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:38:09,756 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:38:09,757 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label22.c [2020-09-04 13:38:09,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d7d33164/e29302c2f18e48e796e0f14dc66efc23/FLAG7d0343a9a [2020-09-04 13:38:10,521 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:38:10,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label22.c [2020-09-04 13:38:10,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d7d33164/e29302c2f18e48e796e0f14dc66efc23/FLAG7d0343a9a [2020-09-04 13:38:10,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d7d33164/e29302c2f18e48e796e0f14dc66efc23 [2020-09-04 13:38:10,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:38:10,809 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:38:10,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:38:10,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:38:10,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:38:10,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:38:10" (1/1) ... [2020-09-04 13:38:10,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fa6231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:10, skipping insertion in model container [2020-09-04 13:38:10,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:38:10" (1/1) ... [2020-09-04 13:38:10,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:38:10,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:38:11,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:38:11,408 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:38:11,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:38:11,648 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:38:11,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:11 WrapperNode [2020-09-04 13:38:11,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:38:11,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:38:11,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:38:11,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:38:11,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:11" (1/1) ... [2020-09-04 13:38:11,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:11" (1/1) ... [2020-09-04 13:38:11,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:11" (1/1) ... [2020-09-04 13:38:11,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:11" (1/1) ... [2020-09-04 13:38:11,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:11" (1/1) ... [2020-09-04 13:38:11,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:11" (1/1) ... [2020-09-04 13:38:11,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:11" (1/1) ... [2020-09-04 13:38:11,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:38:11,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:38:11,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:38:11,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:38:11,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:11" (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 13:38:11,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:38:11,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:38:11,875 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 13:38:11,875 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:38:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 13:38:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:38:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 13:38:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 13:38:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:38:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:38:11,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:38:13,229 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:38:13,230 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 13:38:13,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:38:13 BoogieIcfgContainer [2020-09-04 13:38:13,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:38:13,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:38:13,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:38:13,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:38:13,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:38:10" (1/3) ... [2020-09-04 13:38:13,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@314316d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:38:13, skipping insertion in model container [2020-09-04 13:38:13,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:11" (2/3) ... [2020-09-04 13:38:13,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@314316d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:38:13, skipping insertion in model container [2020-09-04 13:38:13,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:38:13" (3/3) ... [2020-09-04 13:38:13,250 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label22.c [2020-09-04 13:38:13,264 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:38:13,276 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:38:13,304 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:38:13,344 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:38:13,344 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:38:13,344 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:38:13,344 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:38:13,344 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:38:13,345 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:38:13,345 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:38:13,345 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:38:13,374 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-09-04 13:38:13,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-04 13:38:13,384 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:13,386 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:38:13,386 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:13,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:13,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1257002150, now seen corresponding path program 1 times [2020-09-04 13:38:13,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:13,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445337277] [2020-09-04 13:38:13,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:13,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:13,888 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 13:38:13,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445337277] [2020-09-04 13:38:13,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:38:13,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 13:38:13,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731493100] [2020-09-04 13:38:13,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 13:38:13,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:13,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 13:38:13,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:38:13,932 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-09-04 13:38:16,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:16,168 INFO L93 Difference]: Finished difference Result 745 states and 1315 transitions. [2020-09-04 13:38:16,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 13:38:16,170 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2020-09-04 13:38:16,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:16,211 INFO L225 Difference]: With dead ends: 745 [2020-09-04 13:38:16,211 INFO L226 Difference]: Without dead ends: 447 [2020-09-04 13:38:16,225 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:38:16,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-09-04 13:38:16,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-09-04 13:38:16,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-09-04 13:38:16,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 635 transitions. [2020-09-04 13:38:16,330 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 635 transitions. Word has length 43 [2020-09-04 13:38:16,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:16,331 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 635 transitions. [2020-09-04 13:38:16,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 13:38:16,331 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 635 transitions. [2020-09-04 13:38:16,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-09-04 13:38:16,340 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:16,340 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:38:16,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:38:16,341 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:16,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:16,341 INFO L82 PathProgramCache]: Analyzing trace with hash 961573706, now seen corresponding path program 1 times [2020-09-04 13:38:16,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:16,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648949430] [2020-09-04 13:38:16,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:16,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:16,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:16,718 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:16,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648949430] [2020-09-04 13:38:16,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:38:16,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:38:16,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734300860] [2020-09-04 13:38:16,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:38:16,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:16,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:38:16,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:38:16,722 INFO L87 Difference]: Start difference. First operand 443 states and 635 transitions. Second operand 8 states. [2020-09-04 13:38:19,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:19,154 INFO L93 Difference]: Finished difference Result 1782 states and 2698 transitions. [2020-09-04 13:38:19,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 13:38:19,173 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 117 [2020-09-04 13:38:19,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:19,186 INFO L225 Difference]: With dead ends: 1782 [2020-09-04 13:38:19,186 INFO L226 Difference]: Without dead ends: 1345 [2020-09-04 13:38:19,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-09-04 13:38:19,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2020-09-04 13:38:19,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1184. [2020-09-04 13:38:19,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1184 states. [2020-09-04 13:38:19,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1666 transitions. [2020-09-04 13:38:19,271 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1666 transitions. Word has length 117 [2020-09-04 13:38:19,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:19,272 INFO L479 AbstractCegarLoop]: Abstraction has 1184 states and 1666 transitions. [2020-09-04 13:38:19,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:38:19,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1666 transitions. [2020-09-04 13:38:19,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-09-04 13:38:19,279 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:19,279 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:38:19,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 13:38:19,279 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:19,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:19,280 INFO L82 PathProgramCache]: Analyzing trace with hash -550888759, now seen corresponding path program 1 times [2020-09-04 13:38:19,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:19,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387006701] [2020-09-04 13:38:19,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:19,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:19,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:19,679 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:19,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387006701] [2020-09-04 13:38:19,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177125815] [2020-09-04 13:38:19,681 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 13:38:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:19,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:38:19,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:19,965 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:19,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:38:19,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2020-09-04 13:38:19,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024049547] [2020-09-04 13:38:19,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:38:19,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:19,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:38:19,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-04 13:38:19,976 INFO L87 Difference]: Start difference. First operand 1184 states and 1666 transitions. Second operand 3 states. [2020-09-04 13:38:20,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:20,856 INFO L93 Difference]: Finished difference Result 1766 states and 2507 transitions. [2020-09-04 13:38:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:38:20,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-09-04 13:38:20,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:20,875 INFO L225 Difference]: With dead ends: 1766 [2020-09-04 13:38:20,875 INFO L226 Difference]: Without dead ends: 1764 [2020-09-04 13:38:20,876 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-04 13:38:20,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2020-09-04 13:38:20,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 1619. [2020-09-04 13:38:20,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1619 states. [2020-09-04 13:38:20,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2323 transitions. [2020-09-04 13:38:20,983 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2323 transitions. Word has length 122 [2020-09-04 13:38:20,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:20,985 INFO L479 AbstractCegarLoop]: Abstraction has 1619 states and 2323 transitions. [2020-09-04 13:38:20,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:38:20,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2323 transitions. [2020-09-04 13:38:21,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-04 13:38:21,009 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:21,009 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:38:21,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-09-04 13:38:21,225 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:21,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:21,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1023272790, now seen corresponding path program 1 times [2020-09-04 13:38:21,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:21,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085193322] [2020-09-04 13:38:21,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:21,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:21,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:21,613 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:21,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085193322] [2020-09-04 13:38:21,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:38:21,614 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:38:21,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491152692] [2020-09-04 13:38:21,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:38:21,616 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:21,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:38:21,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:38:21,616 INFO L87 Difference]: Start difference. First operand 1619 states and 2323 transitions. Second operand 8 states. [2020-09-04 13:38:23,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:23,145 INFO L93 Difference]: Finished difference Result 3864 states and 5782 transitions. [2020-09-04 13:38:23,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 13:38:23,146 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 165 [2020-09-04 13:38:23,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:23,217 INFO L225 Difference]: With dead ends: 3864 [2020-09-04 13:38:23,217 INFO L226 Difference]: Without dead ends: 2251 [2020-09-04 13:38:23,222 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 13:38:23,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2020-09-04 13:38:23,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 1492. [2020-09-04 13:38:23,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1492 states. [2020-09-04 13:38:23,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 2023 transitions. [2020-09-04 13:38:23,284 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 2023 transitions. Word has length 165 [2020-09-04 13:38:23,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:23,285 INFO L479 AbstractCegarLoop]: Abstraction has 1492 states and 2023 transitions. [2020-09-04 13:38:23,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:38:23,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 2023 transitions. [2020-09-04 13:38:23,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-04 13:38:23,290 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:23,290 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 13:38:23,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 13:38:23,291 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:23,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:23,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1128549049, now seen corresponding path program 1 times [2020-09-04 13:38:23,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:23,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909491902] [2020-09-04 13:38:23,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:23,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:23,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:23,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-04 13:38:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:23,560 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 13:38:23,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909491902] [2020-09-04 13:38:23,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538303307] [2020-09-04 13:38:23,561 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 13:38:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:23,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:38:23,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:23,815 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-09-04 13:38:23,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:38:23,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-09-04 13:38:23,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745493057] [2020-09-04 13:38:23,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:38:23,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:23,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:38:23,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:38:23,818 INFO L87 Difference]: Start difference. First operand 1492 states and 2023 transitions. Second operand 3 states. [2020-09-04 13:38:24,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:24,562 INFO L93 Difference]: Finished difference Result 3411 states and 4677 transitions. [2020-09-04 13:38:24,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:38:24,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2020-09-04 13:38:24,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:24,574 INFO L225 Difference]: With dead ends: 3411 [2020-09-04 13:38:24,574 INFO L226 Difference]: Without dead ends: 1925 [2020-09-04 13:38:24,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 221 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 13:38:24,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2020-09-04 13:38:24,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1923. [2020-09-04 13:38:24,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1923 states. [2020-09-04 13:38:24,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2511 transitions. [2020-09-04 13:38:24,639 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2511 transitions. Word has length 218 [2020-09-04 13:38:24,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:24,640 INFO L479 AbstractCegarLoop]: Abstraction has 1923 states and 2511 transitions. [2020-09-04 13:38:24,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:38:24,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2511 transitions. [2020-09-04 13:38:24,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-09-04 13:38:24,648 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:24,649 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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 13:38:24,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:24,855 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:24,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:24,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1362537933, now seen corresponding path program 1 times [2020-09-04 13:38:24,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:24,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395107455] [2020-09-04 13:38:24,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:25,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:25,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:25,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 13:38:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:25,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 13:38:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:25,613 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 116 proven. 208 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-04 13:38:25,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395107455] [2020-09-04 13:38:25,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349726790] [2020-09-04 13:38:25,614 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 13:38:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:25,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:38:25,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:26,019 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 292 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-09-04 13:38:26,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:38:26,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2020-09-04 13:38:26,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215192187] [2020-09-04 13:38:26,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 13:38:26,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:26,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 13:38:26,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-09-04 13:38:26,023 INFO L87 Difference]: Start difference. First operand 1923 states and 2511 transitions. Second operand 13 states. [2020-09-04 13:38:32,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:32,023 INFO L93 Difference]: Finished difference Result 6187 states and 8092 transitions. [2020-09-04 13:38:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-04 13:38:32,023 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 316 [2020-09-04 13:38:32,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:32,038 INFO L225 Difference]: With dead ends: 6187 [2020-09-04 13:38:32,038 INFO L226 Difference]: Without dead ends: 2928 [2020-09-04 13:38:32,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=309, Invalid=1097, Unknown=0, NotChecked=0, Total=1406 [2020-09-04 13:38:32,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2928 states. [2020-09-04 13:38:32,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2928 to 2495. [2020-09-04 13:38:32,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2495 states. [2020-09-04 13:38:32,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 3162 transitions. [2020-09-04 13:38:32,114 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 3162 transitions. Word has length 316 [2020-09-04 13:38:32,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:32,114 INFO L479 AbstractCegarLoop]: Abstraction has 2495 states and 3162 transitions. [2020-09-04 13:38:32,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 13:38:32,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3162 transitions. [2020-09-04 13:38:32,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2020-09-04 13:38:32,123 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:32,124 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 13:38:32,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:32,338 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:32,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:32,339 INFO L82 PathProgramCache]: Analyzing trace with hash -95661739, now seen corresponding path program 1 times [2020-09-04 13:38:32,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:32,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131082827] [2020-09-04 13:38:32,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:32,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:32,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:32,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-04 13:38:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:32,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-04 13:38:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:33,067 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 285 proven. 10 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-09-04 13:38:33,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131082827] [2020-09-04 13:38:33,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400084988] [2020-09-04 13:38:33,068 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 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 [2020-09-04 13:38:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:33,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:38:33,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:33,322 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 296 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-09-04 13:38:33,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:38:33,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 13 [2020-09-04 13:38:33,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233485324] [2020-09-04 13:38:33,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 13:38:33,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:33,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 13:38:33,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-09-04 13:38:33,325 INFO L87 Difference]: Start difference. First operand 2495 states and 3162 transitions. Second operand 13 states. [2020-09-04 13:38:37,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:37,314 INFO L93 Difference]: Finished difference Result 5286 states and 6681 transitions. [2020-09-04 13:38:37,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-04 13:38:37,315 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 352 [2020-09-04 13:38:37,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:37,316 INFO L225 Difference]: With dead ends: 5286 [2020-09-04 13:38:37,316 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 13:38:37,327 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2020-09-04 13:38:37,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 13:38:37,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 13:38:37,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 13:38:37,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 13:38:37,328 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 352 [2020-09-04 13:38:37,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:37,329 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 13:38:37,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 13:38:37,329 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 13:38:37,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 13:38:37,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:37,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 13:38:38,797 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 106 [2020-09-04 13:38:39,065 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 106 [2020-09-04 13:38:40,445 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 196 DAG size of output: 55 [2020-09-04 13:38:41,182 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 53 [2020-09-04 13:38:41,984 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 53 [2020-09-04 13:38:41,989 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:38:41,989 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 13:38:41,990 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:38:41,990 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-09-04 13:38:41,990 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,990 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,990 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,991 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,991 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,991 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,991 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-09-04 13:38:41,991 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-09-04 13:38:41,991 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-04 13:38:41,991 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-04 13:38:41,992 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-04 13:38:41,992 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-04 13:38:41,992 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-04 13:38:41,992 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-04 13:38:41,993 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-09-04 13:38:41,993 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-09-04 13:38:41,993 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-09-04 13:38:41,993 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,993 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,993 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,994 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,994 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,994 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-09-04 13:38:41,994 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-09-04 13:38:41,995 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-09-04 13:38:41,995 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-09-04 13:38:41,995 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-04 13:38:41,995 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-04 13:38:41,995 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-04 13:38:41,995 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-04 13:38:41,995 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-04 13:38:41,996 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-09-04 13:38:41,996 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-09-04 13:38:41,996 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-09-04 13:38:41,996 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-09-04 13:38:41,996 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 115) no Hoare annotation was computed. [2020-09-04 13:38:41,996 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-09-04 13:38:41,997 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,997 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,997 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,997 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,997 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,997 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-09-04 13:38:41,997 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-04 13:38:41,998 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-04 13:38:41,998 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-04 13:38:41,998 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-04 13:38:41,998 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-04 13:38:41,998 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-09-04 13:38:41,998 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-09-04 13:38:41,998 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-09-04 13:38:41,998 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-09-04 13:38:41,999 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,999 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,999 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,999 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,999 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:41,999 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-09-04 13:38:42,000 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-09-04 13:38:42,000 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-09-04 13:38:42,000 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-04 13:38:42,000 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-04 13:38:42,000 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-04 13:38:42,000 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-04 13:38:42,000 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-04 13:38:42,001 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-09-04 13:38:42,001 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-09-04 13:38:42,001 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-09-04 13:38:42,001 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-09-04 13:38:42,001 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-09-04 13:38:42,001 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,002 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,002 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,002 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,002 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,002 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-04 13:38:42,002 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-04 13:38:42,002 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-04 13:38:42,002 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-04 13:38:42,002 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-04 13:38:42,003 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-09-04 13:38:42,003 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-09-04 13:38:42,003 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-09-04 13:38:42,003 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-09-04 13:38:42,003 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,003 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,003 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,003 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,003 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,003 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,003 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,004 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-09-04 13:38:42,004 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-09-04 13:38:42,004 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-09-04 13:38:42,004 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-09-04 13:38:42,004 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-04 13:38:42,004 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-04 13:38:42,004 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-04 13:38:42,004 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-04 13:38:42,004 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-04 13:38:42,004 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-09-04 13:38:42,005 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-09-04 13:38:42,005 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-09-04 13:38:42,005 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-09-04 13:38:42,005 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,005 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,005 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,005 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,006 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-04 13:38:42,006 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,006 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,006 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-09-04 13:38:42,006 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-09-04 13:38:42,006 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-09-04 13:38:42,006 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-04 13:38:42,006 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-04 13:38:42,006 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-04 13:38:42,007 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-04 13:38:42,007 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-04 13:38:42,007 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-04 13:38:42,007 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-09-04 13:38:42,007 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-09-04 13:38:42,007 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-09-04 13:38:42,007 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-09-04 13:38:42,008 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,008 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,008 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,008 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,008 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,008 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,008 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-09-04 13:38:42,008 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-09-04 13:38:42,008 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-09-04 13:38:42,008 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-04 13:38:42,008 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-04 13:38:42,009 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-04 13:38:42,009 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-04 13:38:42,009 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-04 13:38:42,009 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-04 13:38:42,009 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-09-04 13:38:42,009 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-09-04 13:38:42,010 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse9 (= ~a1~0 |old(~a1~0)|)) (.cse10 (= ~a10~0 |old(~a10~0)|))) (let ((.cse2 (not (= 9 |old(~a19~0)|))) (.cse0 (not (<= |old(~a1~0)| 38))) (.cse7 (not (<= 8 |old(~a19~0)|))) (.cse6 (not (= |old(~a10~0)| 1))) (.cse8 (not (<= |old(~a19~0)| 8))) (.cse1 (and .cse9 (= ~a19~0 |old(~a19~0)|) .cse10)) (.cse3 (= 3 |old(~a10~0)|)) (.cse4 (not (= 14 ~a4~0))) (.cse5 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 (not (<= |old(~a19~0)| 9))) (or .cse2 .cse1 .cse3) (or .cse2 .cse1 .cse4 .cse5) (or .cse0 (not (<= |old(~a10~0)| 0)) .cse1) (or .cse1 .cse6 .cse7) (or .cse8 .cse7 .cse3 (and (<= 8 ~a19~0) (<= ~a19~0 8) .cse9 .cse10)) (or .cse1 .cse6 .cse4 .cse5) (or .cse8 .cse1 .cse3 (not (<= 2 |old(~a10~0)|)) .cse4 .cse5)))) [2020-09-04 13:38:42,010 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-09-04 13:38:42,010 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-09-04 13:38:42,010 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-09-04 13:38:42,010 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,010 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,011 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,011 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,011 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,011 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,011 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-09-04 13:38:42,011 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-04 13:38:42,011 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-04 13:38:42,011 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-04 13:38:42,011 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-04 13:38:42,012 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-04 13:38:42,012 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-04 13:38:42,012 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-09-04 13:38:42,012 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-09-04 13:38:42,012 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-09-04 13:38:42,012 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-09-04 13:38:42,012 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-09-04 13:38:42,012 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-09-04 13:38:42,012 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,012 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,012 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,012 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,013 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,013 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,013 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-09-04 13:38:42,013 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-09-04 13:38:42,013 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-09-04 13:38:42,013 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-04 13:38:42,013 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-04 13:38:42,013 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-04 13:38:42,014 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-04 13:38:42,014 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-04 13:38:42,014 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-04 13:38:42,014 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-09-04 13:38:42,014 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-09-04 13:38:42,014 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-09-04 13:38:42,014 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,014 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,015 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,015 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,015 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,015 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:42,015 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-09-04 13:38:42,015 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-09-04 13:38:42,015 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-09-04 13:38:42,015 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-04 13:38:42,015 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-04 13:38:42,015 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-04 13:38:42,015 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-04 13:38:42,016 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-04 13:38:42,016 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-04 13:38:42,016 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-09-04 13:38:42,016 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-09-04 13:38:42,016 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-09-04 13:38:42,016 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:38:42,016 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a4~0 14) (<= 8 ~a19~0) (<= 23 ~a1~0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-09-04 13:38:42,016 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 13:38:42,017 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:38:42,017 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)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (not (= ~a12~0 0))) [2020-09-04 13:38:42,017 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-09-04 13:38:42,017 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a1~0 38)) (.cse3 (not (= ~a10~0 3))) (.cse4 (<= ~a19~0 8)) (.cse5 (= ~a19~0 |old(~a19~0)|)) (.cse1 (= 9 |old(~a19~0)|)) (.cse2 (= 0 |old(~a10~0)|))) (or (and .cse0 (<= ~a10~0 0) .cse1 .cse2) (and .cse1 (<= 8 ~a19~0) .cse3 .cse4) (and .cse0 .cse1 .cse4) (and (= ~a1~0 |old(~a1~0)|) .cse5 (= ~a10~0 |old(~a10~0)|)) (and .cse1 .cse3 .cse4 (<= 2 ~a10~0)) (and .cse1 .cse5 .cse2) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= |old(~a1~0)| 23)) (not (<= 8 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and (= ~a10~0 1) .cse1 .cse2))) [2020-09-04 13:38:42,017 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-09-04 13:38:42,018 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-09-04 13:38:42,018 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a1~0 38)) (.cse3 (not (= ~a10~0 3))) (.cse4 (<= ~a19~0 8)) (.cse5 (= ~a19~0 |old(~a19~0)|)) (.cse1 (= 9 |old(~a19~0)|)) (.cse2 (= 0 |old(~a10~0)|))) (or (and .cse0 (<= ~a10~0 0) .cse1 .cse2) (and .cse1 (<= 8 ~a19~0) .cse3 .cse4) (and .cse0 .cse1 .cse4) (and (= ~a1~0 |old(~a1~0)|) .cse5 (= ~a10~0 |old(~a10~0)|)) (and .cse1 .cse3 .cse4 (<= 2 ~a10~0)) (and .cse1 .cse5 .cse2) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= |old(~a1~0)| 23)) (not (<= 8 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and (= ~a10~0 1) .cse1 .cse2))) [2020-09-04 13:38:42,018 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-09-04 13:38:42,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:38:42 BoogieIcfgContainer [2020-09-04 13:38:42,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:38:42,046 INFO L168 Benchmark]: Toolchain (without parser) took 31238.26 ms. Allocated memory was 143.7 MB in the beginning and 606.1 MB in the end (delta: 462.4 MB). Free memory was 105.1 MB in the beginning and 531.6 MB in the end (delta: -426.5 MB). Peak memory consumption was 425.6 MB. Max. memory is 7.1 GB. [2020-09-04 13:38:42,047 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 143.7 MB. Free memory was 125.2 MB in the beginning and 124.8 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-09-04 13:38:42,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 839.61 ms. Allocated memory was 143.7 MB in the beginning and 207.1 MB in the end (delta: 63.4 MB). Free memory was 105.1 MB in the beginning and 173.3 MB in the end (delta: -68.3 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2020-09-04 13:38:42,049 INFO L168 Benchmark]: Boogie Preprocessor took 127.75 ms. Allocated memory is still 207.1 MB. Free memory was 173.3 MB in the beginning and 168.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-09-04 13:38:42,049 INFO L168 Benchmark]: RCFGBuilder took 1460.26 ms. Allocated memory was 207.1 MB in the beginning and 234.4 MB in the end (delta: 27.3 MB). Free memory was 168.7 MB in the beginning and 172.2 MB in the end (delta: -3.4 MB). Peak memory consumption was 75.4 MB. Max. memory is 7.1 GB. [2020-09-04 13:38:42,050 INFO L168 Benchmark]: TraceAbstraction took 28804.33 ms. Allocated memory was 234.4 MB in the beginning and 606.1 MB in the end (delta: 371.7 MB). Free memory was 170.6 MB in the beginning and 531.6 MB in the end (delta: -361.0 MB). Peak memory consumption was 400.5 MB. Max. memory is 7.1 GB. [2020-09-04 13:38:42,054 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 143.7 MB. Free memory was 125.2 MB in the beginning and 124.8 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 839.61 ms. Allocated memory was 143.7 MB in the beginning and 207.1 MB in the end (delta: 63.4 MB). Free memory was 105.1 MB in the beginning and 173.3 MB in the end (delta: -68.3 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.75 ms. Allocated memory is still 207.1 MB. Free memory was 173.3 MB in the beginning and 168.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1460.26 ms. Allocated memory was 207.1 MB in the beginning and 234.4 MB in the end (delta: 27.3 MB). Free memory was 168.7 MB in the beginning and 172.2 MB in the end (delta: -3.4 MB). Peak memory consumption was 75.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28804.33 ms. Allocated memory was 234.4 MB in the beginning and 606.1 MB in the end (delta: 371.7 MB). Free memory was 170.6 MB in the beginning and 531.6 MB in the end (delta: -361.0 MB). Peak memory consumption was 400.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 115]: 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: (((((((((((((((a1 <= 38 && a10 <= 0) && 9 == \old(a19)) && 0 == \old(a10)) || (((9 == \old(a19) && 8 <= a19) && !(a10 == 3)) && a19 <= 8)) || ((a1 <= 38 && 9 == \old(a19)) && a19 <= 8)) || ((a1 == \old(a1) && a19 == \old(a19)) && a10 == \old(a10))) || (((9 == \old(a19) && !(a10 == 3)) && a19 <= 8) && 2 <= a10)) || ((9 == \old(a19) && a19 == \old(a19)) && 0 == \old(a10))) || !(a12 == 0)) || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || !(\old(a1) <= 23)) || !(8 <= \old(a19))) || !(14 == a4)) || !(\old(a19) <= 9)) || ((a10 == 1 && 9 == \old(a19)) && 0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.2s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 18.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 390 SDtfs, 5979 SDslu, 321 SDs, 0 SdLazy, 10097 SolverSat, 2076 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1162 GetRequests, 1061 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2495occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 1504 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 92 PreInvPairs, 154 NumberOfFragments, 493 HoareAnnotationTreeSize, 92 FomulaSimplifications, 23629 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6493 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 2341 NumberOfCodeBlocks, 2341 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2330 ConstructedInterpolants, 0 QuantifiedInterpolants, 1247847 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1741 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 1527/1838 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...