/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 DAGSIZE --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/Problem10_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 03:48:28,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 03:48:28,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 03:48:28,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-20 03:48:28,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 03:48:28,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 03:48:28,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 03:48:28,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 03:48:28,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 03:48:28,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 03:48:28,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 03:48:28,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 03:48:28,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 03:48:28,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 03:48:28,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 03:48:28,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 03:48:28,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 03:48:28,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 03:48:28,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 03:48:28,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 03:48:28,702 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 03:48:28,721 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 03:48:28,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 03:48:28,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 03:48:28,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 03:48:28,725 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 03:48:28,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 03:48:28,726 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 03:48:28,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 03:48:28,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 03:48:28,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 03:48:28,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 03:48:28,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 03:48:28,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 03:48:28,727 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 03:48:28,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 03:48:28,728 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 03:48:28,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 03:48:28,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 03:48:28,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 03:48:28,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 03:48:28,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 03:48:28,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 03:48:28,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 03:48:28,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 03:48:28,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 03:48:28,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 03:48:28,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 03:48:28,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 03:48:28,730 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 03:48:28,730 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE 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 03:48:29,014 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 03:48:29,030 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 03:48:29,034 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 03:48:29,036 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 03:48:29,036 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 03:48:29,037 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label44.c [2020-07-20 03:48:29,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/313994f17/5d0067af276d47deb4a33e77102d6c62/FLAGe63d2845c [2020-07-20 03:48:29,776 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 03:48:29,777 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label44.c [2020-07-20 03:48:29,793 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/313994f17/5d0067af276d47deb4a33e77102d6c62/FLAGe63d2845c [2020-07-20 03:48:30,003 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/313994f17/5d0067af276d47deb4a33e77102d6c62 [2020-07-20 03:48:30,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 03:48:30,019 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 03:48:30,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 03:48:30,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 03:48:30,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 03:48:30,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:48:30" (1/1) ... [2020-07-20 03:48:30,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12e96d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:30, skipping insertion in model container [2020-07-20 03:48:30,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:48:30" (1/1) ... [2020-07-20 03:48:30,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 03:48:30,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 03:48:30,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:48:30,630 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 03:48:30,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:48:30,851 INFO L208 MainTranslator]: Completed translation [2020-07-20 03:48:30,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:30 WrapperNode [2020-07-20 03:48:30,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 03:48:30,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 03:48:30,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 03:48:30,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 03:48:30,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:30" (1/1) ... [2020-07-20 03:48:30,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:30" (1/1) ... [2020-07-20 03:48:30,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:30" (1/1) ... [2020-07-20 03:48:30,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:30" (1/1) ... [2020-07-20 03:48:30,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:30" (1/1) ... [2020-07-20 03:48:30,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:30" (1/1) ... [2020-07-20 03:48:30,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:30" (1/1) ... [2020-07-20 03:48:30,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 03:48:30,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 03:48:30,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 03:48:30,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 03:48:30,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:30" (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 03:48:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 03:48:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 03:48:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 03:48:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 03:48:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 03:48:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 03:48:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 03:48:31,063 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 03:48:31,063 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 03:48:31,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 03:48:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 03:48:32,430 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 03:48:32,430 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 03:48:32,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:48:32 BoogieIcfgContainer [2020-07-20 03:48:32,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 03:48:32,438 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 03:48:32,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 03:48:32,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 03:48:32,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:48:30" (1/3) ... [2020-07-20 03:48:32,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121ed95a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:48:32, skipping insertion in model container [2020-07-20 03:48:32,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:30" (2/3) ... [2020-07-20 03:48:32,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121ed95a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:48:32, skipping insertion in model container [2020-07-20 03:48:32,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:48:32" (3/3) ... [2020-07-20 03:48:32,448 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label44.c [2020-07-20 03:48:32,461 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 03:48:32,470 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 03:48:32,488 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 03:48:32,520 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 03:48:32,520 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 03:48:32,520 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 03:48:32,521 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 03:48:32,521 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 03:48:32,521 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 03:48:32,521 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 03:48:32,522 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 03:48:32,547 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-20 03:48:32,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-20 03:48:32,557 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:48:32,559 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] [2020-07-20 03:48:32,559 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:48:32,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:48:32,567 INFO L82 PathProgramCache]: Analyzing trace with hash 745509942, now seen corresponding path program 1 times [2020-07-20 03:48:32,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:48:32,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341474378] [2020-07-20 03:48:32,578 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39bbed7b [2020-07-20 03:48:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:48:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:48:32,996 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 03:48:32,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341474378] [2020-07-20 03:48:32,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:48:32,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 03:48:32,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440334266] [2020-07-20 03:48:33,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 03:48:33,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:48:33,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 03:48:33,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 03:48:33,025 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-07-20 03:48:35,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:48:35,216 INFO L93 Difference]: Finished difference Result 730 states and 1300 transitions. [2020-07-20 03:48:35,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 03:48:35,218 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2020-07-20 03:48:35,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:48:35,241 INFO L225 Difference]: With dead ends: 730 [2020-07-20 03:48:35,241 INFO L226 Difference]: Without dead ends: 447 [2020-07-20 03:48:35,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 03:48:35,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-20 03:48:35,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-07-20 03:48:35,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-07-20 03:48:35,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 595 transitions. [2020-07-20 03:48:35,360 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 595 transitions. Word has length 63 [2020-07-20 03:48:35,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:48:35,361 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 595 transitions. [2020-07-20 03:48:35,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 03:48:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 595 transitions. [2020-07-20 03:48:35,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-20 03:48:35,370 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:48:35,371 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 03:48:35,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 03:48:35,372 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:48:35,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:48:35,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1901765607, now seen corresponding path program 1 times [2020-07-20 03:48:35,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:48:35,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023317609] [2020-07-20 03:48:35,373 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39bbed7b [2020-07-20 03:48:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:48:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:48:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:48:35,784 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:48:35,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023317609] [2020-07-20 03:48:35,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113823147] [2020-07-20 03:48:35,788 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6aeb52cd No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:48:35,934 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6aeb52cd issued 4 check-sat command(s) [2020-07-20 03:48:35,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:48:35,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 03:48:35,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:48:36,041 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 03:48:36,043 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 03:48:40,238 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 25 [2020-07-20 03:48:42,352 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-20 03:48:42,645 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 3 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:48:42,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:48:42,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2020-07-20 03:48:42,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804747818] [2020-07-20 03:48:42,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 03:48:42,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:48:42,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 03:48:42,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=99, Unknown=1, NotChecked=0, Total=132 [2020-07-20 03:48:42,651 INFO L87 Difference]: Start difference. First operand 443 states and 595 transitions. Second operand 12 states. [2020-07-20 03:48:48,181 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2020-07-20 03:49:13,839 WARN L193 SmtUtils]: Spent 21.16 s on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-07-20 03:49:17,311 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 23 [2020-07-20 03:49:29,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:49:29,652 INFO L93 Difference]: Finished difference Result 1831 states and 2617 transitions. [2020-07-20 03:49:29,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 03:49:29,655 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 142 [2020-07-20 03:49:29,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:49:29,673 INFO L225 Difference]: With dead ends: 1831 [2020-07-20 03:49:29,673 INFO L226 Difference]: Without dead ends: 1367 [2020-07-20 03:49:29,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 140 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 28.8s TimeCoverageRelationStatistics Valid=139, Invalid=366, Unknown=1, NotChecked=0, Total=506 [2020-07-20 03:49:29,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2020-07-20 03:49:29,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1329. [2020-07-20 03:49:29,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1329 states. [2020-07-20 03:49:29,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1766 transitions. [2020-07-20 03:49:29,817 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1766 transitions. Word has length 142 [2020-07-20 03:49:29,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:49:29,819 INFO L479 AbstractCegarLoop]: Abstraction has 1329 states and 1766 transitions. [2020-07-20 03:49:29,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 03:49:29,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1766 transitions. [2020-07-20 03:49:29,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-07-20 03:49:29,834 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:49:29,835 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 03:49:30,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-20 03:49:30,051 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:49:30,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:49:30,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1171294982, now seen corresponding path program 1 times [2020-07-20 03:49:30,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:49:30,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120727582] [2020-07-20 03:49:30,053 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39bbed7b [2020-07-20 03:49:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:30,376 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:49:30,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120727582] [2020-07-20 03:49:30,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:49:30,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 03:49:30,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755931920] [2020-07-20 03:49:30,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 03:49:30,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:49:30,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 03:49:30,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:49:30,380 INFO L87 Difference]: Start difference. First operand 1329 states and 1766 transitions. Second operand 8 states. [2020-07-20 03:49:32,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:49:32,850 INFO L93 Difference]: Finished difference Result 3310 states and 4720 transitions. [2020-07-20 03:49:32,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 03:49:32,852 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 185 [2020-07-20 03:49:32,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:49:32,865 INFO L225 Difference]: With dead ends: 3310 [2020-07-20 03:49:32,866 INFO L226 Difference]: Without dead ends: 1987 [2020-07-20 03:49:32,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-07-20 03:49:32,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1987 states. [2020-07-20 03:49:32,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1987 to 1931. [2020-07-20 03:49:32,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1931 states. [2020-07-20 03:49:32,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 2539 transitions. [2020-07-20 03:49:32,948 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 2539 transitions. Word has length 185 [2020-07-20 03:49:32,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:49:32,949 INFO L479 AbstractCegarLoop]: Abstraction has 1931 states and 2539 transitions. [2020-07-20 03:49:32,949 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 03:49:32,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2539 transitions. [2020-07-20 03:49:32,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-07-20 03:49:32,954 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:49:32,954 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 03:49:32,954 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 03:49:32,954 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:49:32,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:49:32,955 INFO L82 PathProgramCache]: Analyzing trace with hash 726002093, now seen corresponding path program 1 times [2020-07-20 03:49:32,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:49:32,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788692927] [2020-07-20 03:49:32,956 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39bbed7b [2020-07-20 03:49:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:33,223 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 03:49:33,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788692927] [2020-07-20 03:49:33,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795650370] [2020-07-20 03:49:33,225 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@55e53364 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:49:33,354 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@55e53364 issued 4 check-sat command(s) [2020-07-20 03:49:33,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:49:33,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:49:33,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:49:33,459 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:49:33,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:49:33,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-07-20 03:49:33,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987569744] [2020-07-20 03:49:33,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:49:33,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:49:33,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:49:33,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 03:49:33,464 INFO L87 Difference]: Start difference. First operand 1931 states and 2539 transitions. Second operand 3 states. [2020-07-20 03:49:34,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:49:34,478 INFO L93 Difference]: Finished difference Result 2944 states and 3907 transitions. [2020-07-20 03:49:34,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:49:34,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2020-07-20 03:49:34,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:49:34,502 INFO L225 Difference]: With dead ends: 2944 [2020-07-20 03:49:34,502 INFO L226 Difference]: Without dead ends: 2942 [2020-07-20 03:49:34,505 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 03:49:34,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2020-07-20 03:49:34,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2219. [2020-07-20 03:49:34,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2219 states. [2020-07-20 03:49:34,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 2219 states and 2975 transitions. [2020-07-20 03:49:34,592 INFO L78 Accepts]: Start accepts. Automaton has 2219 states and 2975 transitions. Word has length 200 [2020-07-20 03:49:34,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:49:34,593 INFO L479 AbstractCegarLoop]: Abstraction has 2219 states and 2975 transitions. [2020-07-20 03:49:34,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:49:34,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2219 states and 2975 transitions. [2020-07-20 03:49:34,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-20 03:49:34,598 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:49:34,598 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-20 03:49:34,813 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:49:34,813 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:49:34,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:49:34,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1905070339, now seen corresponding path program 1 times [2020-07-20 03:49:34,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:49:34,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012470403] [2020-07-20 03:49:34,816 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39bbed7b [2020-07-20 03:49:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:35,112 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 176 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 03:49:35,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012470403] [2020-07-20 03:49:35,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573016213] [2020-07-20 03:49:35,113 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@22a6aba5 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 03:49:35,330 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@22a6aba5 issued 4 check-sat command(s) [2020-07-20 03:49:35,331 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:49:35,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:49:35,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:49:35,412 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 180 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:49:35,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:49:35,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2020-07-20 03:49:35,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417766233] [2020-07-20 03:49:35,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 03:49:35,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:49:35,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 03:49:35,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-07-20 03:49:35,416 INFO L87 Difference]: Start difference. First operand 2219 states and 2975 transitions. Second operand 12 states. [2020-07-20 03:49:41,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:49:41,842 INFO L93 Difference]: Finished difference Result 5350 states and 7328 transitions. [2020-07-20 03:49:41,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-20 03:49:41,843 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 212 [2020-07-20 03:49:41,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:49:41,860 INFO L225 Difference]: With dead ends: 5350 [2020-07-20 03:49:41,860 INFO L226 Difference]: Without dead ends: 3137 [2020-07-20 03:49:41,866 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=195, Invalid=675, Unknown=0, NotChecked=0, Total=870 [2020-07-20 03:49:41,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3137 states. [2020-07-20 03:49:41,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3137 to 2674. [2020-07-20 03:49:41,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2020-07-20 03:49:41,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3449 transitions. [2020-07-20 03:49:41,945 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3449 transitions. Word has length 212 [2020-07-20 03:49:41,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:49:41,946 INFO L479 AbstractCegarLoop]: Abstraction has 2674 states and 3449 transitions. [2020-07-20 03:49:41,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 03:49:41,946 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3449 transitions. [2020-07-20 03:49:41,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-07-20 03:49:41,951 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:49:41,951 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:49:42,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:49:42,165 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:49:42,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:49:42,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1173404218, now seen corresponding path program 1 times [2020-07-20 03:49:42,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:49:42,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594068470] [2020-07-20 03:49:42,166 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39bbed7b [2020-07-20 03:49:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:42,446 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 03:49:42,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594068470] [2020-07-20 03:49:42,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65111319] [2020-07-20 03:49:42,448 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3117c0ca No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:49:42,607 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3117c0ca issued 4 check-sat command(s) [2020-07-20 03:49:42,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:49:42,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:49:42,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:49:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 180 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:49:42,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:49:42,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-07-20 03:49:42,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757989668] [2020-07-20 03:49:42,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 03:49:42,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:49:42,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 03:49:42,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 03:49:42,708 INFO L87 Difference]: Start difference. First operand 2674 states and 3449 transitions. Second operand 10 states. [2020-07-20 03:49:46,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:49:46,176 INFO L93 Difference]: Finished difference Result 5662 states and 7354 transitions. [2020-07-20 03:49:46,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 03:49:46,177 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 215 [2020-07-20 03:49:46,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:49:46,192 INFO L225 Difference]: With dead ends: 5662 [2020-07-20 03:49:46,192 INFO L226 Difference]: Without dead ends: 2994 [2020-07-20 03:49:46,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-07-20 03:49:46,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2994 states. [2020-07-20 03:49:46,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2994 to 2972. [2020-07-20 03:49:46,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2972 states. [2020-07-20 03:49:46,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2972 states and 3508 transitions. [2020-07-20 03:49:46,274 INFO L78 Accepts]: Start accepts. Automaton has 2972 states and 3508 transitions. Word has length 215 [2020-07-20 03:49:46,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:49:46,275 INFO L479 AbstractCegarLoop]: Abstraction has 2972 states and 3508 transitions. [2020-07-20 03:49:46,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 03:49:46,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2972 states and 3508 transitions. [2020-07-20 03:49:46,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-07-20 03:49:46,281 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:49:46,281 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:49:46,494 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:49:46,495 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:49:46,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:49:46,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1724488413, now seen corresponding path program 1 times [2020-07-20 03:49:46,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:49:46,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311661826] [2020-07-20 03:49:46,497 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39bbed7b [2020-07-20 03:49:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:46,799 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 112 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 03:49:46,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311661826] [2020-07-20 03:49:46,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535985278] [2020-07-20 03:49:46,800 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@50e0b2f7 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 03:49:47,015 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@50e0b2f7 issued 4 check-sat command(s) [2020-07-20 03:49:47,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:49:47,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:49:47,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:49:47,096 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-20 03:49:47,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:49:47,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-20 03:49:47,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943765608] [2020-07-20 03:49:47,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:49:47,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:49:47,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:49:47,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:49:47,100 INFO L87 Difference]: Start difference. First operand 2972 states and 3508 transitions. Second operand 3 states. [2020-07-20 03:49:48,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:49:48,287 INFO L93 Difference]: Finished difference Result 6798 states and 8021 transitions. [2020-07-20 03:49:48,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:49:48,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2020-07-20 03:49:48,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:49:48,301 INFO L225 Difference]: With dead ends: 6798 [2020-07-20 03:49:48,302 INFO L226 Difference]: Without dead ends: 2815 [2020-07-20 03:49:48,311 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:49:48,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2815 states. [2020-07-20 03:49:48,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2815 to 2815. [2020-07-20 03:49:48,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2815 states. [2020-07-20 03:49:48,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2815 states and 3289 transitions. [2020-07-20 03:49:48,389 INFO L78 Accepts]: Start accepts. Automaton has 2815 states and 3289 transitions. Word has length 232 [2020-07-20 03:49:48,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:49:48,389 INFO L479 AbstractCegarLoop]: Abstraction has 2815 states and 3289 transitions. [2020-07-20 03:49:48,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:49:48,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3289 transitions. [2020-07-20 03:49:48,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-07-20 03:49:48,399 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:49:48,400 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:49:48,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-20 03:49:48,613 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:49:48,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:49:48,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1481429953, now seen corresponding path program 1 times [2020-07-20 03:49:48,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:49:48,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175728395] [2020-07-20 03:49:48,616 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39bbed7b [2020-07-20 03:49:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:49,244 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 176 proven. 204 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-20 03:49:49,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175728395] [2020-07-20 03:49:49,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088751407] [2020-07-20 03:49:49,245 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5056309d No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:49:49,393 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5056309d issued 4 check-sat command(s) [2020-07-20 03:49:49,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:49:49,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 03:49:49,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:49:49,519 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 03:49:49,523 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 03:49:50,094 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 263 proven. 57 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-07-20 03:49:50,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:49:50,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6] total 14 [2020-07-20 03:49:50,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987485198] [2020-07-20 03:49:50,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-20 03:49:50,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:49:50,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-20 03:49:50,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-07-20 03:49:50,097 INFO L87 Difference]: Start difference. First operand 2815 states and 3289 transitions. Second operand 14 states. [2020-07-20 03:49:59,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:49:59,317 INFO L93 Difference]: Finished difference Result 7239 states and 8919 transitions. [2020-07-20 03:49:59,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-20 03:49:59,323 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 298 [2020-07-20 03:49:59,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:49:59,324 INFO L225 Difference]: With dead ends: 7239 [2020-07-20 03:49:59,324 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 03:49:59,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=274, Invalid=986, Unknown=0, NotChecked=0, Total=1260 [2020-07-20 03:49:59,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 03:49:59,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 03:49:59,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 03:49:59,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 03:49:59,348 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 298 [2020-07-20 03:49:59,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:49:59,348 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 03:49:59,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-20 03:49:59,349 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 03:49:59,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 03:49:59,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:49:59,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 03:50:00,338 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 202 [2020-07-20 03:50:00,708 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 202 [2020-07-20 03:50:00,875 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 31 [2020-07-20 03:50:02,543 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 241 DAG size of output: 56 [2020-07-20 03:50:04,098 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 200 DAG size of output: 67 [2020-07-20 03:50:05,582 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 200 DAG size of output: 67 [2020-07-20 03:50:05,587 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:50:05,587 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2020-07-20 03:50:05,587 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:50:05,587 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-20 03:50:05,587 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,587 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,588 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,588 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,588 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,588 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,588 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-20 03:50:05,588 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-20 03:50:05,588 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 03:50:05,588 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-20 03:50:05,588 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 03:50:05,589 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-20 03:50:05,589 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-20 03:50:05,589 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-20 03:50:05,589 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-20 03:50:05,589 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-20 03:50:05,590 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-20 03:50:05,590 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,590 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,590 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,590 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,590 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,590 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-20 03:50:05,591 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-20 03:50:05,591 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-20 03:50:05,591 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-20 03:50:05,591 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-20 03:50:05,591 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 03:50:05,591 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-20 03:50:05,591 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-20 03:50:05,591 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-20 03:50:05,591 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-20 03:50:05,591 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-20 03:50:05,592 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-20 03:50:05,592 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-20 03:50:05,592 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2020-07-20 03:50:05,592 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-20 03:50:05,592 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,592 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,592 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,592 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,592 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,592 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-20 03:50:05,592 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 03:50:05,593 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 03:50:05,593 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-20 03:50:05,593 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-20 03:50:05,593 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-20 03:50:05,593 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-20 03:50:05,593 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-20 03:50:05,593 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-20 03:50:05,593 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-20 03:50:05,594 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,594 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,594 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,594 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,594 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,594 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-20 03:50:05,594 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-20 03:50:05,595 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-20 03:50:05,595 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-20 03:50:05,595 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 03:50:05,595 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-20 03:50:05,595 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-20 03:50:05,595 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-20 03:50:05,595 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-20 03:50:05,596 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-20 03:50:05,596 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-20 03:50:05,596 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-20 03:50:05,596 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-20 03:50:05,596 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,597 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,597 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,597 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,597 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,597 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 03:50:05,597 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-20 03:50:05,597 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 03:50:05,597 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 03:50:05,597 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-20 03:50:05,597 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-20 03:50:05,598 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-20 03:50:05,598 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-20 03:50:05,598 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-20 03:50:05,598 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,598 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,598 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,598 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,598 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,598 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,598 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,598 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-20 03:50:05,599 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-20 03:50:05,599 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-20 03:50:05,599 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-20 03:50:05,599 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 03:50:05,599 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-20 03:50:05,599 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 03:50:05,599 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 03:50:05,599 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-20 03:50:05,599 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-20 03:50:05,599 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-20 03:50:05,599 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-20 03:50:05,600 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-20 03:50:05,600 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,600 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,600 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,600 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,600 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-20 03:50:05,601 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,601 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,601 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-20 03:50:05,601 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-20 03:50:05,601 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-20 03:50:05,601 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 03:50:05,601 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 03:50:05,602 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 03:50:05,602 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 03:50:05,602 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-20 03:50:05,602 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-20 03:50:05,602 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-20 03:50:05,602 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-20 03:50:05,602 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-20 03:50:05,602 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-20 03:50:05,602 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,602 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,602 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,603 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,603 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,603 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,603 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-20 03:50:05,603 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-20 03:50:05,603 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-20 03:50:05,603 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 03:50:05,603 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 03:50:05,603 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 03:50:05,603 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 03:50:05,603 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-20 03:50:05,603 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-20 03:50:05,604 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-20 03:50:05,604 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-20 03:50:05,604 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse3 (not (<= |old(~a19~0)| 9))) (.cse1 (not (= 0 ~a12~0))) (.cse2 (not (= 14 ~a4~0))) (.cse0 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)))) (and (or (not (<= |old(~a19~0)| 7)) .cse0) (or .cse1 (forall ((v_~a1~0_347 Int)) (or (not (= 0 (mod v_~a1~0_347 5))) (not (<= (+ (div v_~a1~0_347 5) 331501) |old(~a1~0)|)) (not (< 0 (+ v_~a1~0_347 13))))) .cse2 .cse3 .cse0) (or .cse1 .cse2 .cse3 .cse0 (not (<= 2 |old(~a10~0)|))) (or (not (<= |old(~a10~0)| 0)) .cse1 .cse2 .cse0) (or .cse1 (not (<= 9 |old(~a19~0)|)) .cse2 (= 2 |old(~a10~0)|) .cse0 (not (<= |old(~a10~0)| 2))))) [2020-07-20 03:50:05,604 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-20 03:50:05,604 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-20 03:50:05,604 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-20 03:50:05,604 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,605 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,605 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,605 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,605 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,605 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,605 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-20 03:50:05,605 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 03:50:05,605 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-20 03:50:05,605 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 03:50:05,605 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 03:50:05,606 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-20 03:50:05,606 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-20 03:50:05,606 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-20 03:50:05,606 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-20 03:50:05,606 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-20 03:50:05,606 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-20 03:50:05,606 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-20 03:50:05,606 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-20 03:50:05,606 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,606 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,606 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,606 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,607 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,607 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,607 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-20 03:50:05,607 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-20 03:50:05,607 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-20 03:50:05,607 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 03:50:05,607 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 03:50:05,607 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 03:50:05,607 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 03:50:05,607 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-20 03:50:05,607 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-20 03:50:05,608 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-20 03:50:05,608 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-20 03:50:05,608 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-20 03:50:05,608 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,608 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,608 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,608 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,608 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,608 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:50:05,608 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-20 03:50:05,608 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-20 03:50:05,609 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-20 03:50:05,609 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 03:50:05,609 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-20 03:50:05,609 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 03:50:05,609 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 03:50:05,609 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-20 03:50:05,609 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-20 03:50:05,609 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-20 03:50:05,610 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-20 03:50:05,610 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-20 03:50:05,610 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:50:05,610 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= 14 ~a4~0) (<= ~a19~0 9) (<= 9 ~a19~0) (= 0 ~a12~0) (<= ~a1~0 23) (<= 23 ~a1~0)) [2020-07-20 03:50:05,610 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 03:50:05,610 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:50:05,611 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (= 0 ~a12~0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))) [2020-07-20 03:50:05,611 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-20 03:50:05,611 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= ~a10~0 2)) (.cse2 (not (= 2 ~a10~0))) (.cse0 (= 0 |old(~a10~0)|))) (or (not (<= |old(~a1~0)| 23)) (and (<= 9 ~a19~0) .cse0 .cse1 .cse2) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and .cse0 (<= ~a19~0 7)) (and (= 1 ~a10~0) (= 8 ~a19~0) (<= 331505 ~a1~0)) (and (<= ~a19~0 9) .cse0 (<= 2 ~a10~0)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and (exists ((v_~a1~0_347 Int)) (and (<= (+ (div v_~a1~0_347 5) 331501) ~a1~0) (< 0 (+ v_~a1~0_347 13)) (= 0 (mod v_~a1~0_347 5)))) .cse0 .cse1 .cse2) (not (<= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)) (and (<= ~a10~0 0) .cse0))) [2020-07-20 03:50:05,611 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-20 03:50:05,611 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-20 03:50:05,612 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a10~0 2)) (.cse2 (not (= 2 ~a10~0))) (.cse0 (= 0 |old(~a10~0)|))) (or (not (<= |old(~a1~0)| 23)) (and (<= 9 ~a19~0) .cse0 .cse1 .cse2) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and .cse0 (<= ~a19~0 7)) (and (= 1 ~a10~0) (= 8 ~a19~0) (<= 331505 ~a1~0)) (and (<= ~a19~0 9) .cse0 (<= 2 ~a10~0)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and (exists ((v_~a1~0_347 Int)) (and (<= (+ (div v_~a1~0_347 5) 331501) ~a1~0) (< 0 (+ v_~a1~0_347 13)) (= 0 (mod v_~a1~0_347 5)))) .cse0 .cse1 .cse2) (not (<= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)) (and (<= ~a10~0 0) .cse0))) [2020-07-20 03:50:05,612 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-20 03:50:05,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2020-07-20 03:50:05,647 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2020-07-20 03:50:05,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2020-07-20 03:50:05,659 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2020-07-20 03:50:05,659 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2020-07-20 03:50:05,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2020-07-20 03:50:05,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 03:50:05 BoogieIcfgContainer [2020-07-20 03:50:05,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 03:50:05,680 INFO L168 Benchmark]: Toolchain (without parser) took 95661.83 ms. Allocated memory was 135.3 MB in the beginning and 607.6 MB in the end (delta: 472.4 MB). Free memory was 98.2 MB in the beginning and 561.4 MB in the end (delta: -463.2 MB). Peak memory consumption was 491.0 MB. Max. memory is 7.1 GB. [2020-07-20 03:50:05,681 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 135.3 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 03:50:05,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 832.54 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 97.8 MB in the beginning and 167.2 MB in the end (delta: -69.4 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. [2020-07-20 03:50:05,688 INFO L168 Benchmark]: Boogie Preprocessor took 108.38 ms. Allocated memory is still 201.3 MB. Free memory was 167.2 MB in the beginning and 162.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-20 03:50:05,691 INFO L168 Benchmark]: RCFGBuilder took 1475.03 ms. Allocated memory was 201.3 MB in the beginning and 228.6 MB in the end (delta: 27.3 MB). Free memory was 162.8 MB in the beginning and 178.8 MB in the end (delta: -16.0 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. [2020-07-20 03:50:05,692 INFO L168 Benchmark]: TraceAbstraction took 93238.79 ms. Allocated memory was 228.6 MB in the beginning and 607.6 MB in the end (delta: 379.1 MB). Free memory was 178.8 MB in the beginning and 561.4 MB in the end (delta: -382.6 MB). Peak memory consumption was 478.3 MB. Max. memory is 7.1 GB. [2020-07-20 03:50:05,699 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 135.3 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 832.54 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 97.8 MB in the beginning and 167.2 MB in the end (delta: -69.4 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.38 ms. Allocated memory is still 201.3 MB. Free memory was 167.2 MB in the beginning and 162.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1475.03 ms. Allocated memory was 201.3 MB in the beginning and 228.6 MB in the end (delta: 27.3 MB). Free memory was 162.8 MB in the beginning and 178.8 MB in the end (delta: -16.0 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 93238.79 ms. Allocated memory was 228.6 MB in the beginning and 607.6 MB in the end (delta: 379.1 MB). Free memory was 178.8 MB in the beginning and 561.4 MB in the end (delta: -382.6 MB). Peak memory consumption was 478.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant [2020-07-20 03:50:05,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2020-07-20 03:50:05,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2020-07-20 03:50:05,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2020-07-20 03:50:05,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2020-07-20 03:50:05,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2020-07-20 03:50:05,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] Derived loop invariant: ((((((((((((!(\old(a1) <= 23) || (((9 <= a19 && 0 == \old(a10)) && a10 <= 2) && !(2 == a10))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (0 == \old(a10) && a19 <= 7)) || ((1 == a10 && 8 == a19) && 331505 <= a1)) || ((a19 <= 9 && 0 == \old(a10)) && 2 <= a10)) || !(14 == a4)) || !(\old(a19) <= 9)) || ((((\exists v_~a1~0_347 : int :: (v_~a1~0_347 / 5 + 331501 <= a1 && 0 < v_~a1~0_347 + 13) && 0 == v_~a1~0_347 % 5) && 0 == \old(a10)) && a10 <= 2) && !(2 == a10))) || !(23 <= \old(a1))) || !(0 == a12)) || ((a10 == \old(a10) && a19 == \old(a19)) && a1 == \old(a1))) || (a10 <= 0 && 0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 87.0s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 73.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 440 SDtfs, 6256 SDslu, 429 SDs, 0 SdLazy, 12657 SolverSat, 2260 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 38.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1478 GetRequests, 1348 SyntacticMatches, 2 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 32.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2972occurred 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: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 1306 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 160 PreInvPairs, 298 NumberOfFragments, 468 HoareAnnotationTreeSize, 160 FomulaSimplifications, 97010 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 25762 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 2846 NumberOfCodeBlocks, 2846 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 2832 ConstructedInterpolants, 118 QuantifiedInterpolants, 2256910 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2312 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 1750/2170 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...