/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.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:37:00,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:37:00,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:37:00,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-19 21:37:00,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:37:00,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:37:00,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:37:00,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:37:00,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:37:00,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:37:00,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:37:00,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:37:00,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:37:00,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:37:00,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:37:00,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:37:00,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 21:37:00,933 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 [2020-07-19 21:37:00,947 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:37:00,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:37:00,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:37:00,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:37:00,949 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:37:00,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:37:00,949 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:37:00,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:37:00,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:37:00,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:37:00,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:37:00,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:37:00,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:37:00,951 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:37:00,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:37:00,951 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:37:00,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:37:00,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:37:00,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:37:00,952 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:37:00,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:37:00,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:37:00,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:37:00,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:37:00,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:37:00,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:37:00,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:37:00,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:37:00,954 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:37:00,954 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:37:01,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:37:01,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:37:01,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:37:01,255 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:37:01,256 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:37:01,257 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2020-07-19 21:37:01,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a10d475/e981a4e72ab143e79482487079173444/FLAG5ac3266bb [2020-07-19 21:37:01,941 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:37:01,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2020-07-19 21:37:01,964 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a10d475/e981a4e72ab143e79482487079173444/FLAG5ac3266bb [2020-07-19 21:37:02,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a10d475/e981a4e72ab143e79482487079173444 [2020-07-19 21:37:02,209 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:37:02,211 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:37:02,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:37:02,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:37:02,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:37:02,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:37:02" (1/1) ... [2020-07-19 21:37:02,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e90495e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:02, skipping insertion in model container [2020-07-19 21:37:02,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:37:02" (1/1) ... [2020-07-19 21:37:02,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:37:02,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:37:02,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:37:02,911 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:37:03,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:37:03,032 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:37:03,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:03 WrapperNode [2020-07-19 21:37:03,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:37:03,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:37:03,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:37:03,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:37:03,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:03" (1/1) ... [2020-07-19 21:37:03,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:03" (1/1) ... [2020-07-19 21:37:03,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:03" (1/1) ... [2020-07-19 21:37:03,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:03" (1/1) ... [2020-07-19 21:37:03,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:03" (1/1) ... [2020-07-19 21:37:03,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:03" (1/1) ... [2020-07-19 21:37:03,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:03" (1/1) ... [2020-07-19 21:37:03,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:37:03,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:37:03,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:37:03,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:37:03,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:03" (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 [2020-07-19 21:37:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:37:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:37:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-19 21:37:03,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:37:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-19 21:37:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:37:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:37:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-19 21:37:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:37:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:37:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:37:04,390 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:37:04,391 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 21:37:04,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:37:04 BoogieIcfgContainer [2020-07-19 21:37:04,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:37:04,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:37:04,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:37:04,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:37:04,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:37:02" (1/3) ... [2020-07-19 21:37:04,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee3b59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:37:04, skipping insertion in model container [2020-07-19 21:37:04,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:03" (2/3) ... [2020-07-19 21:37:04,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee3b59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:37:04, skipping insertion in model container [2020-07-19 21:37:04,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:37:04" (3/3) ... [2020-07-19 21:37:04,418 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label46.c [2020-07-19 21:37:04,432 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:37:04,445 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:37:04,464 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:37:04,508 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:37:04,509 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:37:04,509 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:37:04,509 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:37:04,509 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:37:04,510 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:37:04,510 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:37:04,510 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:37:04,540 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-19 21:37:04,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-07-19 21:37:04,562 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:37:04,563 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:37:04,563 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:37:04,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:37:04,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1613804370, now seen corresponding path program 1 times [2020-07-19 21:37:04,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:37:04,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294521755] [2020-07-19 21:37:04,582 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d6552d1 [2020-07-19 21:37:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:05,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:37:05,287 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294521755] [2020-07-19 21:37:05,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:37:05,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:37:05,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003460920] [2020-07-19 21:37:05,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:37:05,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:37:05,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:37:05,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:37:05,316 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-19 21:37:07,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:37:07,625 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2020-07-19 21:37:07,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 21:37:07,629 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2020-07-19 21:37:07,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:37:07,658 INFO L225 Difference]: With dead ends: 813 [2020-07-19 21:37:07,659 INFO L226 Difference]: Without dead ends: 488 [2020-07-19 21:37:07,668 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:37:07,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-07-19 21:37:07,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2020-07-19 21:37:07,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-07-19 21:37:07,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-07-19 21:37:07,763 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 118 [2020-07-19 21:37:07,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:37:07,764 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-07-19 21:37:07,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:37:07,765 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-07-19 21:37:07,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-07-19 21:37:07,771 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:37:07,771 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:37:07,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:37:07,772 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:37:07,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:37:07,772 INFO L82 PathProgramCache]: Analyzing trace with hash -2043531383, now seen corresponding path program 1 times [2020-07-19 21:37:07,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:37:07,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775229585] [2020-07-19 21:37:07,773 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d6552d1 [2020-07-19 21:37:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:08,209 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:37:08,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775229585] [2020-07-19 21:37:08,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859638506] [2020-07-19 21:37:08,211 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d6552d1 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 [2020-07-19 21:37:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:08,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:37:08,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:37:08,481 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:37:08,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:37:08,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-19 21:37:08,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618264845] [2020-07-19 21:37:08,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:37:08,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:37:08,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:37:08,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:37:08,487 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 3 states. [2020-07-19 21:37:09,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:37:09,173 INFO L93 Difference]: Finished difference Result 1395 states and 2042 transitions. [2020-07-19 21:37:09,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:37:09,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-07-19 21:37:09,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:37:09,186 INFO L225 Difference]: With dead ends: 1395 [2020-07-19 21:37:09,186 INFO L226 Difference]: Without dead ends: 920 [2020-07-19 21:37:09,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:37:09,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2020-07-19 21:37:09,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2020-07-19 21:37:09,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2020-07-19 21:37:09,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1268 transitions. [2020-07-19 21:37:09,264 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1268 transitions. Word has length 126 [2020-07-19 21:37:09,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:37:09,265 INFO L479 AbstractCegarLoop]: Abstraction has 920 states and 1268 transitions. [2020-07-19 21:37:09,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:37:09,266 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1268 transitions. [2020-07-19 21:37:09,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-19 21:37:09,278 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:37:09,279 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:37:09,492 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-19 21:37:09,493 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:37:09,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:37:09,494 INFO L82 PathProgramCache]: Analyzing trace with hash -544215550, now seen corresponding path program 1 times [2020-07-19 21:37:09,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:37:09,495 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806432511] [2020-07-19 21:37:09,496 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d6552d1 [2020-07-19 21:37:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:09,860 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:37:09,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806432511] [2020-07-19 21:37:09,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476638726] [2020-07-19 21:37:09,861 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d6552d1 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 [2020-07-19 21:37:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:09,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-19 21:37:09,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:37:10,004 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:37:10,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:37:10,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-07-19 21:37:10,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585243404] [2020-07-19 21:37:10,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:37:10,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:37:10,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:37:10,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:37:10,012 INFO L87 Difference]: Start difference. First operand 920 states and 1268 transitions. Second operand 5 states. [2020-07-19 21:37:10,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:37:10,923 INFO L93 Difference]: Finished difference Result 2755 states and 3986 transitions. [2020-07-19 21:37:10,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 21:37:10,924 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-07-19 21:37:10,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:37:10,936 INFO L225 Difference]: With dead ends: 2755 [2020-07-19 21:37:10,936 INFO L226 Difference]: Without dead ends: 1841 [2020-07-19 21:37:10,939 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:37:10,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2020-07-19 21:37:11,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1813. [2020-07-19 21:37:11,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1813 states. [2020-07-19 21:37:11,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 2453 transitions. [2020-07-19 21:37:11,032 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 2453 transitions. Word has length 142 [2020-07-19 21:37:11,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:37:11,033 INFO L479 AbstractCegarLoop]: Abstraction has 1813 states and 2453 transitions. [2020-07-19 21:37:11,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:37:11,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2453 transitions. [2020-07-19 21:37:11,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-19 21:37:11,042 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:37:11,042 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:37:11,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:37:11,257 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:37:11,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:37:11,258 INFO L82 PathProgramCache]: Analyzing trace with hash 488288567, now seen corresponding path program 1 times [2020-07-19 21:37:11,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:37:11,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243656006] [2020-07-19 21:37:11,259 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d6552d1 [2020-07-19 21:37:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:11,419 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:37:11,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243656006] [2020-07-19 21:37:11,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306101944] [2020-07-19 21:37:11,420 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d6552d1 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 [2020-07-19 21:37:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:11,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:37:11,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:37:11,549 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:37:11,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:37:11,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-07-19 21:37:11,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294314469] [2020-07-19 21:37:11,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 21:37:11,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:37:11,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 21:37:11,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:37:11,552 INFO L87 Difference]: Start difference. First operand 1813 states and 2453 transitions. Second operand 10 states. [2020-07-19 21:37:13,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:37:13,142 INFO L93 Difference]: Finished difference Result 4294 states and 6039 transitions. [2020-07-19 21:37:13,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 21:37:13,142 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 149 [2020-07-19 21:37:13,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:37:13,161 INFO L225 Difference]: With dead ends: 4294 [2020-07-19 21:37:13,162 INFO L226 Difference]: Without dead ends: 2487 [2020-07-19 21:37:13,168 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-07-19 21:37:13,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2487 states. [2020-07-19 21:37:13,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2487 to 2439. [2020-07-19 21:37:13,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2439 states. [2020-07-19 21:37:13,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 3293 transitions. [2020-07-19 21:37:13,273 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 3293 transitions. Word has length 149 [2020-07-19 21:37:13,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:37:13,274 INFO L479 AbstractCegarLoop]: Abstraction has 2439 states and 3293 transitions. [2020-07-19 21:37:13,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 21:37:13,274 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3293 transitions. [2020-07-19 21:37:13,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-19 21:37:13,282 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:37:13,283 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:37:13,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:37:13,498 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:37:13,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:37:13,499 INFO L82 PathProgramCache]: Analyzing trace with hash -444558417, now seen corresponding path program 1 times [2020-07-19 21:37:13,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:37:13,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242292925] [2020-07-19 21:37:13,500 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d6552d1 [2020-07-19 21:37:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:13,768 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-19 21:37:13,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242292925] [2020-07-19 21:37:13,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185202890] [2020-07-19 21:37:13,769 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d6552d1 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 [2020-07-19 21:37:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:13,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:37:13,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:37:13,938 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-19 21:37:13,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:37:13,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-07-19 21:37:13,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98122542] [2020-07-19 21:37:13,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:37:13,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:37:13,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:37:13,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:37:13,942 INFO L87 Difference]: Start difference. First operand 2439 states and 3293 transitions. Second operand 3 states. [2020-07-19 21:37:14,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:37:14,599 INFO L93 Difference]: Finished difference Result 5902 states and 7989 transitions. [2020-07-19 21:37:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:37:14,600 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-19 21:37:14,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:37:14,614 INFO L225 Difference]: With dead ends: 5902 [2020-07-19 21:37:14,614 INFO L226 Difference]: Without dead ends: 2139 [2020-07-19 21:37:14,623 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:37:14,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2139 states. [2020-07-19 21:37:14,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2139 to 2135. [2020-07-19 21:37:14,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2135 states. [2020-07-19 21:37:14,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 2135 states and 2743 transitions. [2020-07-19 21:37:14,725 INFO L78 Accepts]: Start accepts. Automaton has 2135 states and 2743 transitions. Word has length 153 [2020-07-19 21:37:14,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:37:14,727 INFO L479 AbstractCegarLoop]: Abstraction has 2135 states and 2743 transitions. [2020-07-19 21:37:14,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:37:14,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2743 transitions. [2020-07-19 21:37:14,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-07-19 21:37:14,735 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:37:14,735 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:37:14,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:37:14,950 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:37:14,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:37:14,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1649183061, now seen corresponding path program 1 times [2020-07-19 21:37:14,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:37:14,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026044516] [2020-07-19 21:37:14,952 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d6552d1 [2020-07-19 21:37:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:15,253 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 52 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-19 21:37:15,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026044516] [2020-07-19 21:37:15,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090352302] [2020-07-19 21:37:15,255 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d6552d1 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 [2020-07-19 21:37:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:15,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:37:15,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:37:15,436 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-19 21:37:15,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:37:15,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-19 21:37:15,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006049772] [2020-07-19 21:37:15,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:37:15,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:37:15,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:37:15,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:37:15,440 INFO L87 Difference]: Start difference. First operand 2135 states and 2743 transitions. Second operand 11 states. [2020-07-19 21:37:16,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:37:16,271 INFO L93 Difference]: Finished difference Result 4112 states and 5271 transitions. [2020-07-19 21:37:16,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-19 21:37:16,273 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 173 [2020-07-19 21:37:16,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:37:16,282 INFO L225 Difference]: With dead ends: 4112 [2020-07-19 21:37:16,282 INFO L226 Difference]: Without dead ends: 1983 [2020-07-19 21:37:16,287 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-07-19 21:37:16,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2020-07-19 21:37:16,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1825. [2020-07-19 21:37:16,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1825 states. [2020-07-19 21:37:16,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2255 transitions. [2020-07-19 21:37:16,343 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2255 transitions. Word has length 173 [2020-07-19 21:37:16,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:37:16,343 INFO L479 AbstractCegarLoop]: Abstraction has 1825 states and 2255 transitions. [2020-07-19 21:37:16,343 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:37:16,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2255 transitions. [2020-07-19 21:37:16,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-07-19 21:37:16,350 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:37:16,351 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, 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] [2020-07-19 21:37:16,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-19 21:37:16,564 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:37:16,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:37:16,565 INFO L82 PathProgramCache]: Analyzing trace with hash -817894210, now seen corresponding path program 1 times [2020-07-19 21:37:16,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:37:16,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350321986] [2020-07-19 21:37:16,567 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d6552d1 [2020-07-19 21:37:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:16,737 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-19 21:37:16,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350321986] [2020-07-19 21:37:16,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109039919] [2020-07-19 21:37:16,739 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d6552d1 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 [2020-07-19 21:37:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:16,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-19 21:37:16,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:37:16,884 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-19 21:37:16,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:37:16,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2020-07-19 21:37:16,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738150914] [2020-07-19 21:37:16,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:37:16,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:37:16,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:37:16,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:37:16,888 INFO L87 Difference]: Start difference. First operand 1825 states and 2255 transitions. Second operand 5 states. [2020-07-19 21:37:17,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:37:17,793 INFO L93 Difference]: Finished difference Result 4418 states and 5522 transitions. [2020-07-19 21:37:17,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 21:37:17,794 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 178 [2020-07-19 21:37:17,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:37:17,810 INFO L225 Difference]: With dead ends: 4418 [2020-07-19 21:37:17,811 INFO L226 Difference]: Without dead ends: 2599 [2020-07-19 21:37:17,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:37:17,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2599 states. [2020-07-19 21:37:17,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2599 to 2289. [2020-07-19 21:37:17,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2289 states. [2020-07-19 21:37:17,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 2779 transitions. [2020-07-19 21:37:17,911 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 2779 transitions. Word has length 178 [2020-07-19 21:37:17,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:37:17,912 INFO L479 AbstractCegarLoop]: Abstraction has 2289 states and 2779 transitions. [2020-07-19 21:37:17,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:37:17,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 2779 transitions. [2020-07-19 21:37:17,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-07-19 21:37:17,924 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:37:17,924 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-19 21:37:18,138 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:37:18,139 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:37:18,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:37:18,140 INFO L82 PathProgramCache]: Analyzing trace with hash -262886545, now seen corresponding path program 1 times [2020-07-19 21:37:18,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:37:18,142 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84287637] [2020-07-19 21:37:18,142 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d6552d1 [2020-07-19 21:37:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:18,435 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 70 proven. 23 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-19 21:37:18,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84287637] [2020-07-19 21:37:18,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196955575] [2020-07-19 21:37:18,437 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d6552d1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:37:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:18,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:37:18,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:37:18,689 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-19 21:37:18,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:37:18,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-19 21:37:18,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553491389] [2020-07-19 21:37:18,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 21:37:18,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:37:18,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 21:37:18,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:37:18,694 INFO L87 Difference]: Start difference. First operand 2289 states and 2779 transitions. Second operand 10 states. [2020-07-19 21:37:21,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:37:21,922 INFO L93 Difference]: Finished difference Result 5966 states and 7337 transitions. [2020-07-19 21:37:21,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-07-19 21:37:21,923 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 187 [2020-07-19 21:37:21,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:37:21,936 INFO L225 Difference]: With dead ends: 5966 [2020-07-19 21:37:21,936 INFO L226 Difference]: Without dead ends: 3063 [2020-07-19 21:37:21,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=245, Invalid=1015, Unknown=0, NotChecked=0, Total=1260 [2020-07-19 21:37:21,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3063 states. [2020-07-19 21:37:21,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3063 to 1515. [2020-07-19 21:37:21,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1515 states. [2020-07-19 21:37:22,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 1630 transitions. [2020-07-19 21:37:22,003 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 1630 transitions. Word has length 187 [2020-07-19 21:37:22,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:37:22,003 INFO L479 AbstractCegarLoop]: Abstraction has 1515 states and 1630 transitions. [2020-07-19 21:37:22,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 21:37:22,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1630 transitions. [2020-07-19 21:37:22,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-07-19 21:37:22,009 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:37:22,009 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:37:22,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:37:22,224 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:37:22,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:37:22,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1214871657, now seen corresponding path program 1 times [2020-07-19 21:37:22,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:37:22,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385543084] [2020-07-19 21:37:22,225 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d6552d1 [2020-07-19 21:37:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:22,433 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-19 21:37:22,433 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385543084] [2020-07-19 21:37:22,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671288058] [2020-07-19 21:37:22,434 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d6552d1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:37:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:22,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-19 21:37:22,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:37:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-07-19 21:37:22,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:37:22,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-07-19 21:37:22,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489314325] [2020-07-19 21:37:22,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:37:22,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:37:22,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:37:22,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:37:22,622 INFO L87 Difference]: Start difference. First operand 1515 states and 1630 transitions. Second operand 8 states. [2020-07-19 21:37:24,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:37:24,095 INFO L93 Difference]: Finished difference Result 3171 states and 3420 transitions. [2020-07-19 21:37:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 21:37:24,096 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 190 [2020-07-19 21:37:24,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:37:24,096 INFO L225 Difference]: With dead ends: 3171 [2020-07-19 21:37:24,096 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:37:24,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:37:24,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:37:24,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:37:24,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:37:24,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:37:24,103 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 190 [2020-07-19 21:37:24,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:37:24,103 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:37:24,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:37:24,104 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:37:24,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:37:24,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-19 21:37:24,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:37:24,854 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 141 [2020-07-19 21:37:25,046 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 141 [2020-07-19 21:37:25,939 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 55 [2020-07-19 21:37:26,493 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 45 [2020-07-19 21:37:26,964 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 45 [2020-07-19 21:37:26,968 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:37:26,968 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-19 21:37:26,968 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:37:26,968 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,969 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,969 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,969 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,969 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,969 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-19 21:37:26,969 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-19 21:37:26,969 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-19 21:37:26,970 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-19 21:37:26,970 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-19 21:37:26,970 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-19 21:37:26,970 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-19 21:37:26,970 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-19 21:37:26,970 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-19 21:37:26,970 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-19 21:37:26,970 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-19 21:37:26,971 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-19 21:37:26,971 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-19 21:37:26,971 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,971 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,971 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,971 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,971 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-19 21:37:26,972 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,972 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-19 21:37:26,972 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-19 21:37:26,972 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-19 21:37:26,972 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-19 21:37:26,972 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-19 21:37:26,972 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-19 21:37:26,973 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-19 21:37:26,973 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-19 21:37:26,973 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-19 21:37:26,973 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-19 21:37:26,973 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-19 21:37:26,973 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-19 21:37:26,973 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-19 21:37:26,973 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-19 21:37:26,974 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-19 21:37:26,974 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,974 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,974 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,974 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,974 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,975 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 508) no Hoare annotation was computed. [2020-07-19 21:37:26,975 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-19 21:37:26,975 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-19 21:37:26,975 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-19 21:37:26,975 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-19 21:37:26,975 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-19 21:37:26,975 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-19 21:37:26,976 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-19 21:37:26,976 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-19 21:37:26,976 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-19 21:37:26,976 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-19 21:37:26,976 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-19 21:37:26,976 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,976 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,976 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,977 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,977 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,977 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-19 21:37:26,977 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-19 21:37:26,977 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-19 21:37:26,977 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-19 21:37:26,977 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-19 21:37:26,977 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-19 21:37:26,978 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-19 21:37:26,978 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-19 21:37:26,978 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-19 21:37:26,978 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-19 21:37:26,978 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-19 21:37:26,978 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-19 21:37:26,978 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-19 21:37:26,978 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,979 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,979 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,979 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,979 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,979 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-19 21:37:26,979 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-19 21:37:26,979 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-19 21:37:26,980 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-19 21:37:26,980 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-19 21:37:26,980 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-19 21:37:26,980 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-19 21:37:26,980 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-19 21:37:26,980 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-19 21:37:26,980 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-19 21:37:26,980 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-19 21:37:26,981 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-19 21:37:26,981 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-19 21:37:26,981 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-19 21:37:26,981 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-19 21:37:26,981 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-19 21:37:26,981 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,981 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,981 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,982 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,982 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-19 21:37:26,982 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,982 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-19 21:37:26,982 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,982 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-19 21:37:26,982 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-19 21:37:26,982 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-19 21:37:26,982 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,982 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,983 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-19 21:37:26,983 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-19 21:37:26,983 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-19 21:37:26,983 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-19 21:37:26,983 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-19 21:37:26,983 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-19 21:37:26,983 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-19 21:37:26,983 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-19 21:37:26,983 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-19 21:37:26,983 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-19 21:37:26,983 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-19 21:37:26,984 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,984 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,984 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,984 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,984 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,984 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,984 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-19 21:37:26,984 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-19 21:37:26,984 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-19 21:37:26,984 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-19 21:37:26,984 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-19 21:37:26,984 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-19 21:37:26,985 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-19 21:37:26,985 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-19 21:37:26,985 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-19 21:37:26,985 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-19 21:37:26,985 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-19 21:37:26,985 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,985 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,985 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,986 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,986 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,986 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,986 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-19 21:37:26,986 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-19 21:37:26,986 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-19 21:37:26,986 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-19 21:37:26,986 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-19 21:37:26,987 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-19 21:37:26,987 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-19 21:37:26,987 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-19 21:37:26,987 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-19 21:37:26,987 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-19 21:37:26,987 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-19 21:37:26,987 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-19 21:37:26,987 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-19 21:37:26,988 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-19 21:37:26,988 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,988 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,988 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,988 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse13 (= 1 ~a25~0)) (.cse3 (= 1 |old(~a25~0)|)) (.cse15 (= 8 ~a17~0)) (.cse9 (= ~a11~0 |old(~a11~0)|)) (.cse10 (= ~a17~0 |old(~a17~0)|)) (.cse11 (= ~a19~0 |old(~a19~0)|)) (.cse12 (= ~a28~0 |old(~a28~0)|)) (.cse16 (= ~a25~0 |old(~a25~0)|))) (let ((.cse1 (and .cse9 .cse10 .cse11 .cse12 .cse16)) (.cse2 (not (<= |old(~a17~0)| 7))) (.cse5 (and .cse9 .cse11 .cse12 .cse15 .cse16)) (.cse7 (= 1 |old(~a11~0)|)) (.cse6 (not (= 1 |old(~a19~0)|))) (.cse4 (not (= 8 |old(~a17~0)|))) (.cse0 (not (<= |old(~a28~0)| 10))) (.cse8 (not .cse3)) (.cse14 (and .cse9 .cse11 .cse12 .cse15 .cse13))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (not (<= |old(~a28~0)| 9)) .cse5) (or .cse6 .cse1 .cse2) (or .cse6 .cse4 .cse0 .cse7 .cse5) (or .cse6 .cse4 .cse7 .cse8 (and .cse9 .cse10 .cse11 .cse12 .cse13)) (or .cse4 .cse0 .cse7 .cse8 .cse14 (not (<= 10 |old(~a28~0)|))) (or .cse6 .cse4 .cse0 .cse8 .cse14)))) [2020-07-19 21:37:26,989 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,989 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,989 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,989 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-19 21:37:26,989 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-19 21:37:26,989 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-19 21:37:26,989 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-19 21:37:26,990 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-19 21:37:26,990 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-19 21:37:26,990 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-19 21:37:26,990 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-19 21:37:26,990 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-19 21:37:26,990 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-19 21:37:26,990 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-19 21:37:26,990 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-19 21:37:26,990 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-19 21:37:26,991 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,991 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,991 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,991 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,991 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,991 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,991 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-19 21:37:26,991 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-19 21:37:26,992 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-19 21:37:26,992 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-19 21:37:26,992 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-19 21:37:26,992 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-19 21:37:26,992 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-19 21:37:26,992 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-19 21:37:26,992 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-19 21:37:26,992 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-19 21:37:26,993 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-19 21:37:26,993 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-19 21:37:26,993 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-19 21:37:26,993 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-19 21:37:26,993 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-19 21:37:26,993 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-19 21:37:26,993 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,994 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,994 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,994 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,994 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:26,994 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-19 21:37:26,994 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-19 21:37:26,994 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-19 21:37:26,995 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-19 21:37:26,995 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-19 21:37:26,995 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-19 21:37:26,995 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-19 21:37:26,995 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-19 21:37:26,995 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-19 21:37:26,995 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-19 21:37:26,996 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-19 21:37:26,996 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-19 21:37:26,996 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-19 21:37:26,996 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-19 21:37:26,996 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-19 21:37:26,996 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-19 21:37:26,996 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-19 21:37:26,997 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-19 21:37:26,997 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-19 21:37:26,997 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:37:26,997 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (= 8 ~a17~0) (not (= 1 ~a25~0)) (<= ~a28~0 7)) [2020-07-19 21:37:26,997 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:37:26,997 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:37:26,997 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (= 1 |old(~a25~0)|) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a28~0)| 7)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a11~0)| 0))) [2020-07-19 21:37:26,998 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (<= ~a17~0 7)) (.cse1 (not (= 1 ~a11~0))) (.cse0 (= 1 ~a19~0)) (.cse5 (<= ~a28~0 10)) (.cse2 (= 8 ~a17~0)) (.cse3 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (= 1 |old(~a25~0)|) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse4) (and .cse5 (<= 10 ~a28~0) .cse1 .cse2 .cse3) (and .cse5 .cse4) (and .cse0 .cse5 .cse1 .cse2) (and .cse0 .cse5 .cse2 .cse3) (not (<= |old(~a11~0)| 0)) (and (<= ~a28~0 9) .cse2 (not .cse3)))) [2020-07-19 21:37:26,998 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-19 21:37:26,998 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-19 21:37:26,998 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (<= ~a17~0 7)) (.cse1 (not (= 1 ~a11~0))) (.cse0 (= 1 ~a19~0)) (.cse5 (<= ~a28~0 10)) (.cse2 (= 8 ~a17~0)) (.cse3 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (= 1 |old(~a25~0)|) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse4) (and .cse5 (<= 10 ~a28~0) .cse1 .cse2 .cse3) (and .cse5 .cse4) (and .cse0 .cse5 .cse1 .cse2) (and .cse0 .cse5 .cse2 .cse3) (not (<= |old(~a11~0)| 0)) (and (<= ~a28~0 9) .cse2 (not .cse3)))) [2020-07-19 21:37:26,999 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-19 21:37:26,999 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-19 21:37:27,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:37:27 BoogieIcfgContainer [2020-07-19 21:37:27,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:37:27,022 INFO L168 Benchmark]: Toolchain (without parser) took 24811.42 ms. Allocated memory was 138.9 MB in the beginning and 573.0 MB in the end (delta: 434.1 MB). Free memory was 101.4 MB in the beginning and 423.4 MB in the end (delta: -322.1 MB). Peak memory consumption was 412.9 MB. Max. memory is 7.1 GB. [2020-07-19 21:37:27,023 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-19 21:37:27,024 INFO L168 Benchmark]: CACSL2BoogieTranslator took 821.17 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 100.9 MB in the beginning and 170.8 MB in the end (delta: -69.8 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2020-07-19 21:37:27,024 INFO L168 Benchmark]: Boogie Preprocessor took 108.70 ms. Allocated memory is still 204.5 MB. Free memory was 170.8 MB in the beginning and 165.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-19 21:37:27,025 INFO L168 Benchmark]: RCFGBuilder took 1261.27 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 165.8 MB in the beginning and 181.4 MB in the end (delta: -15.6 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2020-07-19 21:37:27,026 INFO L168 Benchmark]: TraceAbstraction took 22613.06 ms. Allocated memory was 237.0 MB in the beginning and 573.0 MB in the end (delta: 336.1 MB). Free memory was 181.4 MB in the beginning and 423.4 MB in the end (delta: -242.1 MB). Peak memory consumption was 394.9 MB. Max. memory is 7.1 GB. [2020-07-19 21:37:27,030 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 821.17 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 100.9 MB in the beginning and 170.8 MB in the end (delta: -69.8 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.70 ms. Allocated memory is still 204.5 MB. Free memory was 170.8 MB in the beginning and 165.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1261.27 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 165.8 MB in the beginning and 181.4 MB in the end (delta: -15.6 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22613.06 ms. Allocated memory was 237.0 MB in the beginning and 573.0 MB in the end (delta: 336.1 MB). Free memory was 181.4 MB in the beginning and 423.4 MB in the end (delta: -242.1 MB). Peak memory consumption was 394.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 508]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((!(1 == \old(a19)) || 1 == \old(a25)) || !(8 == \old(a17))) || (((1 == a19 && !(1 == a11)) && 8 == a17) && 1 == a25)) || !(\old(a28) <= 7)) || (1 == a19 && a17 <= 7)) || ((((a28 <= 10 && 10 <= a28) && !(1 == a11)) && 8 == a17) && 1 == a25)) || (a28 <= 10 && a17 <= 7)) || (((1 == a19 && a28 <= 10) && !(1 == a11)) && 8 == a17)) || (((1 == a19 && a28 <= 10) && 8 == a17) && 1 == a25)) || !(\old(a11) <= 0)) || ((a28 <= 9 && 8 == a17) && !(1 == a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.8s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 12.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 591 SDtfs, 5177 SDslu, 469 SDs, 0 SdLazy, 7520 SolverSat, 1516 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1465 GetRequests, 1360 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2439occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 2103 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 120 PreInvPairs, 170 NumberOfFragments, 524 HoareAnnotationTreeSize, 120 FomulaSimplifications, 36750 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 12717 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2714 NumberOfCodeBlocks, 2714 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2697 ConstructedInterpolants, 0 QuantifiedInterpolants, 1247615 SizeOfPredicates, 6 NumberOfNonLiveVariables, 3376 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 857/968 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...