/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 --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:35:04,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:35:04,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:35:04,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-20 01:35:04,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:35:04,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:35:04,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:35:04,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:35:04,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:35:04,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:35:04,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:35:04,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:35:04,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:35:04,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:35:04,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:35:04,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:35:04,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 01:35:04,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:35:04,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:35:04,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:35:04,983 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 01:35:05,002 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:35:05,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:35:05,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:35:05,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:35:05,005 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:35:05,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:35:05,005 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:35:05,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:35:05,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:35:05,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:35:05,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:35:05,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:35:05,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:35:05,008 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:35:05,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:35:05,009 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:35:05,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:35:05,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:35:05,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:35:05,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:35:05,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:35:05,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:35:05,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:35:05,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:35:05,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:35:05,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:35:05,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:35:05,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:35:05,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:35:05,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 01:35:05,305 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:35:05,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:35:05,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:35:05,334 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:35:05,337 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:35:05,338 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label19.c [2020-07-20 01:35:05,419 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa8211980/5704e73d1e184f67991eef22b5886ffd/FLAG723632f3a [2020-07-20 01:35:06,096 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:35:06,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label19.c [2020-07-20 01:35:06,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa8211980/5704e73d1e184f67991eef22b5886ffd/FLAG723632f3a [2020-07-20 01:35:06,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa8211980/5704e73d1e184f67991eef22b5886ffd [2020-07-20 01:35:06,369 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:35:06,372 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:35:06,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:35:06,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:35:06,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:35:06,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:35:06" (1/1) ... [2020-07-20 01:35:06,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3002b205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:35:06, skipping insertion in model container [2020-07-20 01:35:06,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:35:06" (1/1) ... [2020-07-20 01:35:06,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:35:06,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:35:06,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:35:06,854 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:35:07,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:35:07,146 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:35:07,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:35:07 WrapperNode [2020-07-20 01:35:07,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:35:07,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:35:07,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:35:07,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:35:07,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:35:07" (1/1) ... [2020-07-20 01:35:07,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:35:07" (1/1) ... [2020-07-20 01:35:07,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:35:07" (1/1) ... [2020-07-20 01:35:07,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:35:07" (1/1) ... [2020-07-20 01:35:07,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:35:07" (1/1) ... [2020-07-20 01:35:07,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:35:07" (1/1) ... [2020-07-20 01:35:07,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:35:07" (1/1) ... [2020-07-20 01:35:07,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:35:07,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:35:07,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:35:07,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:35:07,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:35:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:35:07,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:35:07,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:35:07,440 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 01:35:07,440 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:35:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 01:35:07,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:35:07,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:35:07,441 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 01:35:07,441 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:35:07,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:35:07,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:35:08,888 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:35:08,888 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 01:35:08,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:35:08 BoogieIcfgContainer [2020-07-20 01:35:08,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:35:08,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:35:08,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:35:08,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:35:08,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:35:06" (1/3) ... [2020-07-20 01:35:08,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@237fb04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:35:08, skipping insertion in model container [2020-07-20 01:35:08,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:35:07" (2/3) ... [2020-07-20 01:35:08,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@237fb04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:35:08, skipping insertion in model container [2020-07-20 01:35:08,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:35:08" (3/3) ... [2020-07-20 01:35:08,907 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label19.c [2020-07-20 01:35:08,920 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:35:08,930 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:35:08,946 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:35:08,974 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:35:08,974 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:35:08,974 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:35:08,974 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:35:08,974 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:35:08,975 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:35:08,975 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:35:08,975 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:35:09,001 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 01:35:09,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 01:35:09,014 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:35:09,015 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:35:09,016 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:35:09,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:35:09,023 INFO L82 PathProgramCache]: Analyzing trace with hash 797442718, now seen corresponding path program 1 times [2020-07-20 01:35:09,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:35:09,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286332459] [2020-07-20 01:35:09,035 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6cc59af2 [2020-07-20 01:35:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:09,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:35:09,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286332459] [2020-07-20 01:35:09,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:35:09,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:35:09,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199881897] [2020-07-20 01:35:09,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:35:09,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:35:09,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:35:09,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:35:09,675 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-20 01:35:11,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:35:11,712 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-07-20 01:35:11,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 01:35:11,717 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2020-07-20 01:35:11,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:35:11,747 INFO L225 Difference]: With dead ends: 627 [2020-07-20 01:35:11,747 INFO L226 Difference]: Without dead ends: 327 [2020-07-20 01:35:11,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:35:11,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-07-20 01:35:11,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-07-20 01:35:11,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-20 01:35:11,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2020-07-20 01:35:11,839 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 98 [2020-07-20 01:35:11,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:35:11,840 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2020-07-20 01:35:11,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:35:11,841 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2020-07-20 01:35:11,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-20 01:35:11,848 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:35:11,849 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 01:35:11,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:35:11,850 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:35:11,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:35:11,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1720377347, now seen corresponding path program 1 times [2020-07-20 01:35:11,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:35:11,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617550176] [2020-07-20 01:35:11,853 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6cc59af2 [2020-07-20 01:35:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:12,123 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:35:12,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617550176] [2020-07-20 01:35:12,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:35:12,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:35:12,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182445237] [2020-07-20 01:35:12,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:35:12,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:35:12,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:35:12,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:35:12,129 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 8 states. [2020-07-20 01:35:14,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:35:14,552 INFO L93 Difference]: Finished difference Result 1102 states and 1690 transitions. [2020-07-20 01:35:14,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:35:14,554 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 113 [2020-07-20 01:35:14,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:35:14,562 INFO L225 Difference]: With dead ends: 1102 [2020-07-20 01:35:14,563 INFO L226 Difference]: Without dead ends: 789 [2020-07-20 01:35:14,566 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-20 01:35:14,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-07-20 01:35:14,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 772. [2020-07-20 01:35:14,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 772 states. [2020-07-20 01:35:14,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1127 transitions. [2020-07-20 01:35:14,635 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1127 transitions. Word has length 113 [2020-07-20 01:35:14,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:35:14,636 INFO L479 AbstractCegarLoop]: Abstraction has 772 states and 1127 transitions. [2020-07-20 01:35:14,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:35:14,636 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1127 transitions. [2020-07-20 01:35:14,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-20 01:35:14,643 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:35:14,643 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-07-20 01:35:14,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:35:14,643 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:35:14,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:35:14,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1091985480, now seen corresponding path program 1 times [2020-07-20 01:35:14,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:35:14,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26316459] [2020-07-20 01:35:14,645 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6cc59af2 [2020-07-20 01:35:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:14,871 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 01:35:14,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26316459] [2020-07-20 01:35:14,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382054164] [2020-07-20 01:35:14,873 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@d271af3 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:35:15,017 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@d271af3 issued 4 check-sat command(s) [2020-07-20 01:35:15,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:35:15,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:35:15,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:35:15,127 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:35:15,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:35:15,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-20 01:35:15,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249087150] [2020-07-20 01:35:15,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:35:15,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:35:15,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:35:15,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:35:15,130 INFO L87 Difference]: Start difference. First operand 772 states and 1127 transitions. Second operand 11 states. [2020-07-20 01:35:16,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:35:16,723 INFO L93 Difference]: Finished difference Result 1395 states and 2061 transitions. [2020-07-20 01:35:16,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 01:35:16,724 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 121 [2020-07-20 01:35:16,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:35:16,734 INFO L225 Difference]: With dead ends: 1395 [2020-07-20 01:35:16,735 INFO L226 Difference]: Without dead ends: 629 [2020-07-20 01:35:16,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-07-20 01:35:16,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2020-07-20 01:35:16,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 611. [2020-07-20 01:35:16,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-07-20 01:35:16,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 865 transitions. [2020-07-20 01:35:16,800 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 865 transitions. Word has length 121 [2020-07-20 01:35:16,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:35:16,803 INFO L479 AbstractCegarLoop]: Abstraction has 611 states and 865 transitions. [2020-07-20 01:35:16,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:35:16,803 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 865 transitions. [2020-07-20 01:35:16,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-20 01:35:16,812 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:35:16,812 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 01:35:17,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-20 01:35:17,019 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:35:17,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:35:17,021 INFO L82 PathProgramCache]: Analyzing trace with hash -540211274, now seen corresponding path program 1 times [2020-07-20 01:35:17,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:35:17,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262421466] [2020-07-20 01:35:17,022 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6cc59af2 [2020-07-20 01:35:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:17,223 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:35:17,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262421466] [2020-07-20 01:35:17,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:35:17,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:35:17,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837127561] [2020-07-20 01:35:17,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:35:17,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:35:17,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:35:17,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:35:17,226 INFO L87 Difference]: Start difference. First operand 611 states and 865 transitions. Second operand 8 states. [2020-07-20 01:35:19,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:35:19,186 INFO L93 Difference]: Finished difference Result 2304 states and 3399 transitions. [2020-07-20 01:35:19,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:35:19,187 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 120 [2020-07-20 01:35:19,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:35:19,199 INFO L225 Difference]: With dead ends: 2304 [2020-07-20 01:35:19,199 INFO L226 Difference]: Without dead ends: 1699 [2020-07-20 01:35:19,204 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-20 01:35:19,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2020-07-20 01:35:19,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1219. [2020-07-20 01:35:19,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1219 states. [2020-07-20 01:35:19,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1679 transitions. [2020-07-20 01:35:19,290 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1679 transitions. Word has length 120 [2020-07-20 01:35:19,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:35:19,291 INFO L479 AbstractCegarLoop]: Abstraction has 1219 states and 1679 transitions. [2020-07-20 01:35:19,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:35:19,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1679 transitions. [2020-07-20 01:35:19,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-07-20 01:35:19,297 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:35:19,298 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:35:19,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 01:35:19,298 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:35:19,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:35:19,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1255105582, now seen corresponding path program 1 times [2020-07-20 01:35:19,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:35:19,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085388297] [2020-07-20 01:35:19,300 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6cc59af2 [2020-07-20 01:35:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:19,653 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:35:19,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085388297] [2020-07-20 01:35:19,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346680271] [2020-07-20 01:35:19,655 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5867407 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:35:19,784 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5867407 issued 4 check-sat command(s) [2020-07-20 01:35:19,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:35:19,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 01:35:19,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:35:19,868 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:35:19,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:35:19,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-07-20 01:35:19,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821017820] [2020-07-20 01:35:19,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:35:19,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:35:19,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:35:19,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:35:19,872 INFO L87 Difference]: Start difference. First operand 1219 states and 1679 transitions. Second operand 5 states. [2020-07-20 01:35:20,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:35:20,761 INFO L93 Difference]: Finished difference Result 3536 states and 5143 transitions. [2020-07-20 01:35:20,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 01:35:20,763 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-07-20 01:35:20,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:35:20,781 INFO L225 Difference]: With dead ends: 3536 [2020-07-20 01:35:20,781 INFO L226 Difference]: Without dead ends: 2323 [2020-07-20 01:35:20,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:35:20,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2323 states. [2020-07-20 01:35:20,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2323 to 2145. [2020-07-20 01:35:20,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2145 states. [2020-07-20 01:35:20,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 2893 transitions. [2020-07-20 01:35:20,888 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 2893 transitions. Word has length 124 [2020-07-20 01:35:20,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:35:20,889 INFO L479 AbstractCegarLoop]: Abstraction has 2145 states and 2893 transitions. [2020-07-20 01:35:20,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:35:20,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2893 transitions. [2020-07-20 01:35:20,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-20 01:35:20,899 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:35:20,900 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:35:21,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:35:21,117 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:35:21,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:35:21,118 INFO L82 PathProgramCache]: Analyzing trace with hash -570592108, now seen corresponding path program 1 times [2020-07-20 01:35:21,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:35:21,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765171452] [2020-07-20 01:35:21,120 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6cc59af2 [2020-07-20 01:35:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:21,271 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:35:21,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765171452] [2020-07-20 01:35:21,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:35:21,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:35:21,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857743540] [2020-07-20 01:35:21,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:35:21,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:35:21,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:35:21,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:35:21,274 INFO L87 Difference]: Start difference. First operand 2145 states and 2893 transitions. Second operand 8 states. [2020-07-20 01:35:23,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:35:23,240 INFO L93 Difference]: Finished difference Result 6216 states and 8625 transitions. [2020-07-20 01:35:23,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:35:23,241 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 133 [2020-07-20 01:35:23,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:35:23,275 INFO L225 Difference]: With dead ends: 6216 [2020-07-20 01:35:23,276 INFO L226 Difference]: Without dead ends: 4077 [2020-07-20 01:35:23,289 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-20 01:35:23,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4077 states. [2020-07-20 01:35:23,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4077 to 3777. [2020-07-20 01:35:23,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3777 states. [2020-07-20 01:35:23,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3777 states to 3777 states and 4676 transitions. [2020-07-20 01:35:23,484 INFO L78 Accepts]: Start accepts. Automaton has 3777 states and 4676 transitions. Word has length 133 [2020-07-20 01:35:23,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:35:23,488 INFO L479 AbstractCegarLoop]: Abstraction has 3777 states and 4676 transitions. [2020-07-20 01:35:23,489 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:35:23,490 INFO L276 IsEmpty]: Start isEmpty. Operand 3777 states and 4676 transitions. [2020-07-20 01:35:23,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-20 01:35:23,506 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:35:23,507 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:35:23,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 01:35:23,508 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:35:23,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:35:23,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1254253877, now seen corresponding path program 1 times [2020-07-20 01:35:23,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:35:23,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31233869] [2020-07-20 01:35:23,510 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6cc59af2 [2020-07-20 01:35:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:23,754 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:35:23,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31233869] [2020-07-20 01:35:23,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602886427] [2020-07-20 01:35:23,755 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4161b6bb No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:35:23,981 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4161b6bb issued 4 check-sat command(s) [2020-07-20 01:35:23,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:35:23,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 01:35:24,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:35:24,061 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:35:24,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:35:24,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2020-07-20 01:35:24,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884788664] [2020-07-20 01:35:24,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 01:35:24,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:35:24,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 01:35:24,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:35:24,066 INFO L87 Difference]: Start difference. First operand 3777 states and 4676 transitions. Second operand 7 states. [2020-07-20 01:35:26,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:35:26,210 INFO L93 Difference]: Finished difference Result 6879 states and 8466 transitions. [2020-07-20 01:35:26,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:35:26,215 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 146 [2020-07-20 01:35:26,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:35:26,232 INFO L225 Difference]: With dead ends: 6879 [2020-07-20 01:35:26,233 INFO L226 Difference]: Without dead ends: 2941 [2020-07-20 01:35:26,243 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:35:26,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2941 states. [2020-07-20 01:35:26,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2941 to 2910. [2020-07-20 01:35:26,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2910 states. [2020-07-20 01:35:26,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 2910 states and 3370 transitions. [2020-07-20 01:35:26,338 INFO L78 Accepts]: Start accepts. Automaton has 2910 states and 3370 transitions. Word has length 146 [2020-07-20 01:35:26,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:35:26,339 INFO L479 AbstractCegarLoop]: Abstraction has 2910 states and 3370 transitions. [2020-07-20 01:35:26,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 01:35:26,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2910 states and 3370 transitions. [2020-07-20 01:35:26,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-07-20 01:35:26,348 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:35:26,348 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-20 01:35:26,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:35:26,564 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:35:26,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:35:26,565 INFO L82 PathProgramCache]: Analyzing trace with hash -686446993, now seen corresponding path program 1 times [2020-07-20 01:35:26,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:35:26,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922095053] [2020-07-20 01:35:26,565 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6cc59af2 [2020-07-20 01:35:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:26,830 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 83 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 01:35:26,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922095053] [2020-07-20 01:35:26,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582404633] [2020-07-20 01:35:26,832 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1ca7bb3 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:35:26,996 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1ca7bb3 issued 4 check-sat command(s) [2020-07-20 01:35:26,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:35:27,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:35:27,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:35:27,068 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 01:35:27,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:35:27,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-20 01:35:27,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900563173] [2020-07-20 01:35:27,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:35:27,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:35:27,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:35:27,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:35:27,071 INFO L87 Difference]: Start difference. First operand 2910 states and 3370 transitions. Second operand 11 states. [2020-07-20 01:35:30,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:35:30,010 INFO L93 Difference]: Finished difference Result 6242 states and 7382 transitions. [2020-07-20 01:35:30,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 01:35:30,011 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 159 [2020-07-20 01:35:30,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:35:30,064 INFO L225 Difference]: With dead ends: 6242 [2020-07-20 01:35:30,065 INFO L226 Difference]: Without dead ends: 3342 [2020-07-20 01:35:30,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-20 01:35:30,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3342 states. [2020-07-20 01:35:30,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3342 to 3044. [2020-07-20 01:35:30,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3044 states. [2020-07-20 01:35:30,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 3044 states and 3425 transitions. [2020-07-20 01:35:30,165 INFO L78 Accepts]: Start accepts. Automaton has 3044 states and 3425 transitions. Word has length 159 [2020-07-20 01:35:30,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:35:30,166 INFO L479 AbstractCegarLoop]: Abstraction has 3044 states and 3425 transitions. [2020-07-20 01:35:30,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:35:30,166 INFO L276 IsEmpty]: Start isEmpty. Operand 3044 states and 3425 transitions. [2020-07-20 01:35:30,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-07-20 01:35:30,175 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:35:30,176 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:35:30,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:35:30,389 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:35:30,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:35:30,390 INFO L82 PathProgramCache]: Analyzing trace with hash 884199043, now seen corresponding path program 1 times [2020-07-20 01:35:30,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:35:30,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540076056] [2020-07-20 01:35:30,391 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6cc59af2 [2020-07-20 01:35:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:30,702 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 113 proven. 25 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 01:35:30,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540076056] [2020-07-20 01:35:30,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254796118] [2020-07-20 01:35:30,704 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@41642379 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:35:30,906 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@41642379 issued 4 check-sat command(s) [2020-07-20 01:35:30,907 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:35:30,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:35:30,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:35:31,020 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 121 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-20 01:35:31,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:35:31,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-07-20 01:35:31,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937762789] [2020-07-20 01:35:31,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 01:35:31,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:35:31,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 01:35:31,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:35:31,025 INFO L87 Difference]: Start difference. First operand 3044 states and 3425 transitions. Second operand 10 states. [2020-07-20 01:35:33,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:35:33,220 INFO L93 Difference]: Finished difference Result 6708 states and 7683 transitions. [2020-07-20 01:35:33,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-20 01:35:33,220 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 210 [2020-07-20 01:35:33,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:35:33,235 INFO L225 Difference]: With dead ends: 6708 [2020-07-20 01:35:33,236 INFO L226 Difference]: Without dead ends: 2718 [2020-07-20 01:35:33,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=127, Invalid=379, Unknown=0, NotChecked=0, Total=506 [2020-07-20 01:35:33,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2718 states. [2020-07-20 01:35:33,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2718 to 2540. [2020-07-20 01:35:33,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2540 states. [2020-07-20 01:35:33,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 2540 states and 2678 transitions. [2020-07-20 01:35:33,319 INFO L78 Accepts]: Start accepts. Automaton has 2540 states and 2678 transitions. Word has length 210 [2020-07-20 01:35:33,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:35:33,319 INFO L479 AbstractCegarLoop]: Abstraction has 2540 states and 2678 transitions. [2020-07-20 01:35:33,319 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 01:35:33,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 2678 transitions. [2020-07-20 01:35:33,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-07-20 01:35:33,327 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:35:33,328 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-20 01:35:33,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:35:33,543 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:35:33,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:35:33,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1962742350, now seen corresponding path program 1 times [2020-07-20 01:35:33,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:35:33,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138604538] [2020-07-20 01:35:33,545 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6cc59af2 [2020-07-20 01:35:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:35:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 136 proven. 3 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-07-20 01:35:33,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138604538] [2020-07-20 01:35:33,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287053080] [2020-07-20 01:35:33,951 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@680b10e8 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:35:34,145 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@680b10e8 issued 4 check-sat command(s) [2020-07-20 01:35:34,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:35:34,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 01:35:34,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:35:34,227 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-07-20 01:35:34,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:35:34,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-07-20 01:35:34,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001103391] [2020-07-20 01:35:34,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:35:34,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:35:34,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:35:34,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:35:34,231 INFO L87 Difference]: Start difference. First operand 2540 states and 2678 transitions. Second operand 3 states. [2020-07-20 01:35:34,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:35:34,712 INFO L93 Difference]: Finished difference Result 3130 states and 3290 transitions. [2020-07-20 01:35:34,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:35:34,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2020-07-20 01:35:34,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:35:34,718 INFO L225 Difference]: With dead ends: 3130 [2020-07-20 01:35:34,718 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:35:34,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:35:34,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:35:34,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:35:34,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:35:34,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:35:34,725 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 240 [2020-07-20 01:35:34,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:35:34,725 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:35:34,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:35:34,725 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:35:34,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:35:34,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:35:34,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:35:35,516 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 141 [2020-07-20 01:35:35,728 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 141 [2020-07-20 01:35:37,148 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 158 DAG size of output: 75 [2020-07-20 01:35:38,096 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 63 [2020-07-20 01:35:39,029 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 63 [2020-07-20 01:35:39,035 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:35:39,035 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-20 01:35:39,036 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:35:39,036 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,036 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,036 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,036 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,037 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,037 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 01:35:39,037 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 01:35:39,037 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 01:35:39,037 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 01:35:39,037 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 01:35:39,038 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 01:35:39,038 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 01:35:39,038 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 01:35:39,038 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 01:35:39,038 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 01:35:39,038 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 01:35:39,038 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 01:35:39,038 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 01:35:39,039 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,039 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,039 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,039 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,039 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 01:35:39,039 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,039 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 01:35:39,040 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 01:35:39,040 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 01:35:39,040 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 01:35:39,040 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 01:35:39,040 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 01:35:39,040 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 01:35:39,040 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 01:35:39,041 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 01:35:39,041 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 01:35:39,041 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 01:35:39,041 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 01:35:39,041 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 01:35:39,041 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 01:35:39,041 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 01:35:39,041 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,042 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,042 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,042 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,042 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,042 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2020-07-20 01:35:39,042 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 01:35:39,043 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 01:35:39,043 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 01:35:39,043 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 01:35:39,043 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 01:35:39,043 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 01:35:39,043 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 01:35:39,044 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 01:35:39,044 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 01:35:39,044 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 01:35:39,044 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 01:35:39,044 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,044 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,044 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,045 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,045 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,045 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 01:35:39,045 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 01:35:39,045 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 01:35:39,045 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 01:35:39,045 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 01:35:39,045 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 01:35:39,046 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 01:35:39,046 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 01:35:39,046 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 01:35:39,046 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 01:35:39,046 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 01:35:39,046 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 01:35:39,046 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 01:35:39,046 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,047 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,047 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,047 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,047 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,047 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 01:35:39,047 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 01:35:39,048 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 01:35:39,048 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 01:35:39,048 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 01:35:39,048 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 01:35:39,048 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 01:35:39,048 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 01:35:39,048 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 01:35:39,049 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 01:35:39,049 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 01:35:39,049 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 01:35:39,049 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 01:35:39,049 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 01:35:39,049 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 01:35:39,049 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 01:35:39,049 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,050 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,050 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,050 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,050 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 01:35:39,050 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,050 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 01:35:39,050 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,051 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 01:35:39,051 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 01:35:39,051 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 01:35:39,051 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,051 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,051 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 01:35:39,051 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 01:35:39,051 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 01:35:39,052 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 01:35:39,052 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 01:35:39,052 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 01:35:39,052 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 01:35:39,052 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 01:35:39,052 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 01:35:39,053 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 01:35:39,053 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 01:35:39,053 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,053 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,053 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,053 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,053 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,053 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,054 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 01:35:39,054 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 01:35:39,054 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 01:35:39,054 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 01:35:39,054 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 01:35:39,054 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 01:35:39,055 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 01:35:39,055 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 01:35:39,055 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 01:35:39,055 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 01:35:39,055 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 01:35:39,055 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,055 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,055 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,056 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,056 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,056 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,056 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 01:35:39,056 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 01:35:39,056 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 01:35:39,056 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 01:35:39,056 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 01:35:39,057 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 01:35:39,057 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 01:35:39,057 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 01:35:39,057 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 01:35:39,057 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 01:35:39,057 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 01:35:39,057 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 01:35:39,058 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 01:35:39,058 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 01:35:39,058 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,058 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,058 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,059 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (= 1 ~a25~0)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse15 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|)) (.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse16 (= ~a25~0 |old(~a25~0)|))) (let ((.cse14 (not (<= 10 |old(~a28~0)|))) (.cse6 (= 8 ~a17~0)) (.cse8 (= |old(~a17~0)| |old(~a28~0)|)) (.cse20 (not (<= |old(~a17~0)| 7))) (.cse12 (= 11 |old(~a28~0)|)) (.cse19 (not (<= |old(~a28~0)| 7))) (.cse10 (and .cse3 (<= ~a17~0 8) .cse15 (<= ~a25~0 0) .cse4 .cse5 .cse16)) (.cse9 (not (<= |old(~a25~0)| 0))) (.cse11 (not (<= |old(~a17~0)| 8))) (.cse13 (not (= 1 |old(~a11~0)|))) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse1 (not (= 8 |old(~a17~0)|))) (.cse18 (and .cse3 .cse15 .cse5 .cse4 .cse7)) (.cse2 (not (= 1 |old(~a25~0)|))) (.cse17 (not (<= |old(~a11~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7) .cse8) (or .cse0 .cse9 .cse10 .cse8 .cse11 .cse12 .cse13) (or .cse0 .cse9 .cse10 .cse14 .cse11 .cse12) (or .cse0 .cse1 (and .cse3 .cse15 .cse5 .cse4 .cse16) .cse9 .cse12 .cse17) (or .cse1 .cse18 .cse2 .cse14 .cse12 .cse17) (or .cse1 .cse18 .cse19 .cse2 .cse17) (or .cse0 .cse19 .cse2 .cse20 (and (= 1 ~a11~0) .cse15 .cse4 .cse5 .cse7) .cse13) (or .cse10 .cse9 .cse8 .cse20 .cse11 .cse12) (or .cse1 .cse9 .cse12 (= 9 |old(~a28~0)|) .cse17 (and .cse3 .cse4 .cse5 .cse6 .cse16)) (or .cse2 .cse8 .cse20 (and .cse3 .cse15 .cse4 .cse5 .cse7) .cse12) (or .cse1 .cse19 .cse10 .cse9 .cse11 .cse13) (or .cse0 .cse1 .cse18 .cse2 .cse17)))) [2020-07-20 01:35:39,059 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,059 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,059 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,059 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 01:35:39,059 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 01:35:39,059 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 01:35:39,060 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 01:35:39,060 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 01:35:39,060 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 01:35:39,060 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 01:35:39,060 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 01:35:39,060 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 01:35:39,060 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 01:35:39,060 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 01:35:39,061 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 01:35:39,061 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 01:35:39,061 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,061 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,061 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,061 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,061 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,061 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,062 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 01:35:39,062 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 01:35:39,062 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 01:35:39,062 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 01:35:39,062 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 01:35:39,062 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 01:35:39,062 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 01:35:39,063 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 01:35:39,063 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 01:35:39,063 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 01:35:39,063 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 01:35:39,063 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 01:35:39,063 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 01:35:39,063 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 01:35:39,064 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 01:35:39,064 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 01:35:39,064 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,064 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,064 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,064 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,064 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 01:35:39,065 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 01:35:39,065 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 01:35:39,065 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 01:35:39,065 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 01:35:39,065 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 01:35:39,065 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 01:35:39,065 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 01:35:39,066 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 01:35:39,066 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 01:35:39,066 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 01:35:39,066 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 01:35:39,066 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 01:35:39,066 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 01:35:39,067 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 01:35:39,067 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 01:35:39,067 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 01:35:39,067 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 01:35:39,067 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 01:35:39,067 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 01:35:39,067 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:35:39,067 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a25~0 0) (= 8 ~a17~0) (<= ~a28~0 7)) [2020-07-20 01:35:39,068 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:35:39,068 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:35:39,068 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a28~0)| 7)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a11~0)| 0))) [2020-07-20 01:35:39,068 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (not (= ~a28~0 ~a17~0))) (.cse9 (<= ~a17~0 7)) (.cse0 (= 1 ~a19~0)) (.cse11 (<= 10 ~a28~0)) (.cse8 (= 1 ~a25~0)) (.cse2 (= 1 ~a11~0)) (.cse4 (<= ~a17~0 8)) (.cse10 (<= ~a28~0 7)) (.cse1 (not (= 11 ~a28~0))) (.cse6 (<= ~a11~0 0)) (.cse5 (<= ~a25~0 0)) (.cse7 (= 8 ~a17~0))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse5 .cse7) (and .cse0 .cse3 .cse7 .cse8) (and .cse1 .cse3 .cse9 .cse8) (not (<= |old(~a11~0)| 0)) (and .cse6 .cse7 .cse10 .cse8) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse2 .cse9 .cse10 .cse8) (and .cse0 .cse1 .cse4 .cse5 .cse11) (and .cse1 .cse3 .cse4 .cse5 .cse9) (and .cse0 .cse6 .cse7 .cse8) (not (<= |old(~a25~0)| 0)) (and .cse6 .cse1 .cse11 .cse7 .cse8) (and .cse2 .cse4 (= ~a17~0 |old(~a17~0)|) .cse5 .cse10) (and .cse1 .cse6 .cse5 (not (= 9 ~a28~0)) .cse7))) [2020-07-20 01:35:39,068 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 01:35:39,069 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 01:35:39,069 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse3 (not (= ~a28~0 ~a17~0))) (.cse9 (<= ~a17~0 7)) (.cse0 (= 1 ~a19~0)) (.cse11 (<= 10 ~a28~0)) (.cse8 (= 1 ~a25~0)) (.cse2 (= 1 ~a11~0)) (.cse4 (<= ~a17~0 8)) (.cse10 (<= ~a28~0 7)) (.cse1 (not (= 11 ~a28~0))) (.cse6 (<= ~a11~0 0)) (.cse5 (<= ~a25~0 0)) (.cse7 (= 8 ~a17~0))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse5 .cse7) (and .cse0 .cse3 .cse7 .cse8) (and .cse1 .cse3 .cse9 .cse8) (not (<= |old(~a11~0)| 0)) (and .cse6 .cse7 .cse10 .cse8) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse2 .cse9 .cse10 .cse8) (and .cse0 .cse1 .cse4 .cse5 .cse11) (and .cse1 .cse3 .cse4 .cse5 .cse9) (and .cse0 .cse6 .cse7 .cse8) (not (<= |old(~a25~0)| 0)) (and .cse6 .cse1 .cse11 .cse7 .cse8) (and .cse2 .cse4 (= ~a17~0 |old(~a17~0)|) .cse5 .cse10) (and .cse1 .cse6 .cse5 (not (= 9 ~a28~0)) .cse7))) [2020-07-20 01:35:39,069 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 01:35:39,069 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 01:35:39,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:35:39 BoogieIcfgContainer [2020-07-20 01:35:39,102 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:35:39,106 INFO L168 Benchmark]: Toolchain (without parser) took 32733.79 ms. Allocated memory was 138.4 MB in the beginning and 562.6 MB in the end (delta: 424.1 MB). Free memory was 101.9 MB in the beginning and 437.5 MB in the end (delta: -335.6 MB). Peak memory consumption was 443.8 MB. Max. memory is 7.1 GB. [2020-07-20 01:35:39,107 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 01:35:39,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.82 ms. Allocated memory was 138.4 MB in the beginning and 205.0 MB in the end (delta: 66.6 MB). Free memory was 101.5 MB in the beginning and 170.8 MB in the end (delta: -69.3 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2020-07-20 01:35:39,111 INFO L168 Benchmark]: Boogie Preprocessor took 178.70 ms. Allocated memory is still 205.0 MB. Free memory was 170.8 MB in the beginning and 165.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-20 01:35:39,112 INFO L168 Benchmark]: RCFGBuilder took 1568.52 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 165.8 MB in the beginning and 179.8 MB in the end (delta: -14.0 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2020-07-20 01:35:39,114 INFO L168 Benchmark]: TraceAbstraction took 30205.29 ms. Allocated memory was 238.0 MB in the beginning and 562.6 MB in the end (delta: 324.5 MB). Free memory was 179.8 MB in the beginning and 437.5 MB in the end (delta: -257.7 MB). Peak memory consumption was 422.1 MB. Max. memory is 7.1 GB. [2020-07-20 01:35:39,125 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 773.82 ms. Allocated memory was 138.4 MB in the beginning and 205.0 MB in the end (delta: 66.6 MB). Free memory was 101.5 MB in the beginning and 170.8 MB in the end (delta: -69.3 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 178.70 ms. Allocated memory is still 205.0 MB. Free memory was 170.8 MB in the beginning and 165.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1568.52 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 165.8 MB in the beginning and 179.8 MB in the end (delta: -14.0 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30205.29 ms. Allocated memory was 238.0 MB in the beginning and 562.6 MB in the end (delta: 324.5 MB). Free memory was 179.8 MB in the beginning and 437.5 MB in the end (delta: -257.7 MB). Peak memory consumption was 422.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 448]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((!(1 == \old(a19)) || !(\old(a28) <= 7)) || (((((1 == a19 && !(11 == a28)) && 1 == a11) && !(a28 == a17)) && a17 <= 8) && a25 <= 0)) || ((((1 == a19 && !(11 == a28)) && a11 <= 0) && a25 <= 0) && 8 == a17)) || (((1 == a19 && !(a28 == a17)) && 8 == a17) && 1 == a25)) || (((!(11 == a28) && !(a28 == a17)) && a17 <= 7) && 1 == a25)) || !(\old(a11) <= 0)) || (((a11 <= 0 && 8 == a17) && a28 <= 7) && 1 == a25)) || !(8 == \old(a17))) || ((((1 == a19 && 1 == a11) && a17 <= 7) && a28 <= 7) && 1 == a25)) || ((((1 == a19 && !(11 == a28)) && a17 <= 8) && a25 <= 0) && 10 <= a28)) || ((((!(11 == a28) && !(a28 == a17)) && a17 <= 8) && a25 <= 0) && a17 <= 7)) || (((1 == a19 && a11 <= 0) && 8 == a17) && 1 == a25)) || !(\old(a25) <= 0)) || ((((a11 <= 0 && !(11 == a28)) && 10 <= a28) && 8 == a17) && 1 == a25)) || ((((1 == a11 && a17 <= 8) && a17 == \old(a17)) && a25 <= 0) && a28 <= 7)) || ((((!(11 == a28) && a11 <= 0) && a25 <= 0) && !(9 == a28)) && 8 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.9s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 18.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 508 SDtfs, 8189 SDslu, 534 SDs, 0 SdLazy, 10055 SolverSat, 2237 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1184 GetRequests, 1065 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3777occurred 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: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 1508 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 134 PreInvPairs, 188 NumberOfFragments, 983 HoareAnnotationTreeSize, 134 FomulaSimplifications, 96293 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7700 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 2464 NumberOfCodeBlocks, 2464 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 2448 ConstructedInterpolants, 0 QuantifiedInterpolants, 980988 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2623 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 1222/1271 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...