/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/Problem01_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:33:38,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:33:38,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:33:38,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-19 21:33:38,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:33:38,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:33:38,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:33:38,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:33:38,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:33:38,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:33:38,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:33:38,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:33:38,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:33:38,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:33:38,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:33:38,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:33:38,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 21:33:38,972 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 21:33:38,995 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:33:38,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:33:38,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:33:38,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:33:38,998 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:33:38,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:33:38,998 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:33:38,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:33:38,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:33:38,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:33:39,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:33:39,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:33:39,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:33:39,001 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:33:39,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:33:39,001 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:33:39,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:33:39,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:33:39,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:33:39,002 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:33:39,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:33:39,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:33:39,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:33:39,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:33:39,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:33:39,003 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:33:39,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:33:39,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:33:39,004 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:33:39,004 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 21:33:39,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:33:39,329 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:33:39,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:33:39,335 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:33:39,335 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:33:39,336 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label06.c [2020-07-19 21:33:39,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519ce4937/79bd06a2b0cd401aa1942718f65c0393/FLAGb8de4eab5 [2020-07-19 21:33:40,011 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:33:40,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label06.c [2020-07-19 21:33:40,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519ce4937/79bd06a2b0cd401aa1942718f65c0393/FLAGb8de4eab5 [2020-07-19 21:33:40,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519ce4937/79bd06a2b0cd401aa1942718f65c0393 [2020-07-19 21:33:40,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:33:40,257 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:33:40,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:33:40,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:33:40,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:33:40,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:33:40" (1/1) ... [2020-07-19 21:33:40,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5957ebad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:33:40, skipping insertion in model container [2020-07-19 21:33:40,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:33:40" (1/1) ... [2020-07-19 21:33:40,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:33:40,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:33:40,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:33:40,830 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:33:41,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:33:41,075 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:33:41,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:33:41 WrapperNode [2020-07-19 21:33:41,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:33:41,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:33:41,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:33:41,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:33:41,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:33:41" (1/1) ... [2020-07-19 21:33:41,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:33:41" (1/1) ... [2020-07-19 21:33:41,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:33:41" (1/1) ... [2020-07-19 21:33:41,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:33:41" (1/1) ... [2020-07-19 21:33:41,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:33:41" (1/1) ... [2020-07-19 21:33:41,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:33:41" (1/1) ... [2020-07-19 21:33:41,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:33:41" (1/1) ... [2020-07-19 21:33:41,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:33:41,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:33:41,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:33:41,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:33:41,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:33:41" (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 21:33:41,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:33:41,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:33:41,284 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-19 21:33:41,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:33:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-19 21:33:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:33:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:33:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-19 21:33:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:33:41,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:33:41,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:33:42,502 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:33:42,503 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 21:33:42,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:33:42 BoogieIcfgContainer [2020-07-19 21:33:42,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:33:42,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:33:42,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:33:42,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:33:42,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:33:40" (1/3) ... [2020-07-19 21:33:42,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c4ed2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:33:42, skipping insertion in model container [2020-07-19 21:33:42,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:33:41" (2/3) ... [2020-07-19 21:33:42,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c4ed2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:33:42, skipping insertion in model container [2020-07-19 21:33:42,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:33:42" (3/3) ... [2020-07-19 21:33:42,523 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label06.c [2020-07-19 21:33:42,532 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:33:42,539 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:33:42,552 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:33:42,577 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:33:42,577 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:33:42,578 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:33:42,578 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:33:42,578 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:33:42,578 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:33:42,578 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:33:42,578 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:33:42,602 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-19 21:33:42,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-07-19 21:33:42,616 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:33:42,618 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:33:42,618 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:33:42,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:33:42,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1251834154, now seen corresponding path program 1 times [2020-07-19 21:33:42,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:33:42,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934334083] [2020-07-19 21:33:42,636 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@57e16f1 [2020-07-19 21:33:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:43,246 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 21:33:43,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934334083] [2020-07-19 21:33:43,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:33:43,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:33:43,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882086072] [2020-07-19 21:33:43,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:33:43,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:33:43,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:33:43,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:33:43,280 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-07-19 21:33:45,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:33:45,336 INFO L93 Difference]: Finished difference Result 698 states and 1233 transitions. [2020-07-19 21:33:45,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 21:33:45,338 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2020-07-19 21:33:45,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:33:45,356 INFO L225 Difference]: With dead ends: 698 [2020-07-19 21:33:45,356 INFO L226 Difference]: Without dead ends: 423 [2020-07-19 21:33:45,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:33:45,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-07-19 21:33:45,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2020-07-19 21:33:45,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-07-19 21:33:45,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 585 transitions. [2020-07-19 21:33:45,457 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 585 transitions. Word has length 130 [2020-07-19 21:33:45,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:33:45,458 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 585 transitions. [2020-07-19 21:33:45,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:33:45,458 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 585 transitions. [2020-07-19 21:33:45,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-07-19 21:33:45,465 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:33:45,465 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 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 21:33:45,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:33:45,466 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:33:45,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:33:45,467 INFO L82 PathProgramCache]: Analyzing trace with hash -932424019, now seen corresponding path program 1 times [2020-07-19 21:33:45,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:33:45,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206105521] [2020-07-19 21:33:45,468 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@57e16f1 [2020-07-19 21:33:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:45,696 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:33:45,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206105521] [2020-07-19 21:33:45,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:33:45,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:33:45,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629332771] [2020-07-19 21:33:45,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:33:45,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:33:45,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:33:45,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:33:45,701 INFO L87 Difference]: Start difference. First operand 417 states and 585 transitions. Second operand 8 states. [2020-07-19 21:33:47,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:33:47,170 INFO L93 Difference]: Finished difference Result 1130 states and 1658 transitions. [2020-07-19 21:33:47,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 21:33:47,172 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 140 [2020-07-19 21:33:47,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:33:47,180 INFO L225 Difference]: With dead ends: 1130 [2020-07-19 21:33:47,180 INFO L226 Difference]: Without dead ends: 719 [2020-07-19 21:33:47,183 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:33:47,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2020-07-19 21:33:47,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 697. [2020-07-19 21:33:47,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2020-07-19 21:33:47,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 978 transitions. [2020-07-19 21:33:47,241 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 978 transitions. Word has length 140 [2020-07-19 21:33:47,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:33:47,241 INFO L479 AbstractCegarLoop]: Abstraction has 697 states and 978 transitions. [2020-07-19 21:33:47,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:33:47,242 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 978 transitions. [2020-07-19 21:33:47,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-07-19 21:33:47,249 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:33:47,249 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 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 21:33:47,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:33:47,250 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:33:47,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:33:47,250 INFO L82 PathProgramCache]: Analyzing trace with hash -188990609, now seen corresponding path program 1 times [2020-07-19 21:33:47,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:33:47,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522337370] [2020-07-19 21:33:47,251 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@57e16f1 [2020-07-19 21:33:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:47,694 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:33:47,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522337370] [2020-07-19 21:33:47,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386217800] [2020-07-19 21:33:47,695 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@57e16f1 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 21:33:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:47,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:33:47,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:33:47,958 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:33:47,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:33:47,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-19 21:33:47,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703960457] [2020-07-19 21:33:47,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:33:47,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:33:47,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:33:47,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:33:47,961 INFO L87 Difference]: Start difference. First operand 697 states and 978 transitions. Second operand 3 states. [2020-07-19 21:33:48,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:33:48,584 INFO L93 Difference]: Finished difference Result 1799 states and 2551 transitions. [2020-07-19 21:33:48,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:33:48,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-07-19 21:33:48,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:33:48,592 INFO L225 Difference]: With dead ends: 1799 [2020-07-19 21:33:48,592 INFO L226 Difference]: Without dead ends: 1108 [2020-07-19 21:33:48,595 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 144 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 21:33:48,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2020-07-19 21:33:48,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1108. [2020-07-19 21:33:48,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1108 states. [2020-07-19 21:33:48,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1506 transitions. [2020-07-19 21:33:48,646 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1506 transitions. Word has length 141 [2020-07-19 21:33:48,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:33:48,647 INFO L479 AbstractCegarLoop]: Abstraction has 1108 states and 1506 transitions. [2020-07-19 21:33:48,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:33:48,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1506 transitions. [2020-07-19 21:33:48,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-19 21:33:48,654 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:33:48,655 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:33:48,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-19 21:33:48,869 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:33:48,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:33:48,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1244428519, now seen corresponding path program 1 times [2020-07-19 21:33:48,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:33:48,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230415499] [2020-07-19 21:33:48,870 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@57e16f1 [2020-07-19 21:33:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:49,055 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:33:49,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230415499] [2020-07-19 21:33:49,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935562391] [2020-07-19 21:33:49,056 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@57e16f1 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 21:33:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:49,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:33:49,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:33:49,179 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:33:49,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:33:49,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-19 21:33:49,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485040861] [2020-07-19 21:33:49,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:33:49,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:33:49,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:33:49,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:33:49,182 INFO L87 Difference]: Start difference. First operand 1108 states and 1506 transitions. Second operand 3 states. [2020-07-19 21:33:49,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:33:49,785 INFO L93 Difference]: Finished difference Result 2484 states and 3417 transitions. [2020-07-19 21:33:49,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:33:49,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-07-19 21:33:49,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:33:49,795 INFO L225 Difference]: With dead ends: 2484 [2020-07-19 21:33:49,795 INFO L226 Difference]: Without dead ends: 1382 [2020-07-19 21:33:49,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:33:49,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2020-07-19 21:33:49,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1382. [2020-07-19 21:33:49,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1382 states. [2020-07-19 21:33:49,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 1805 transitions. [2020-07-19 21:33:49,847 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 1805 transitions. Word has length 145 [2020-07-19 21:33:49,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:33:49,847 INFO L479 AbstractCegarLoop]: Abstraction has 1382 states and 1805 transitions. [2020-07-19 21:33:49,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:33:49,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1805 transitions. [2020-07-19 21:33:49,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-07-19 21:33:49,853 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:33:49,853 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 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 21:33:50,066 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:33:50,067 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:33:50,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:33:50,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1425842974, now seen corresponding path program 1 times [2020-07-19 21:33:50,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:33:50,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003427084] [2020-07-19 21:33:50,068 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@57e16f1 [2020-07-19 21:33:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:50,244 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:33:50,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003427084] [2020-07-19 21:33:50,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964033015] [2020-07-19 21:33:50,245 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@57e16f1 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 21:33:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:50,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:33:50,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:33:50,413 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-19 21:33:50,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:33:50,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-19 21:33:50,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577408692] [2020-07-19 21:33:50,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:33:50,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:33:50,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:33:50,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:33:50,416 INFO L87 Difference]: Start difference. First operand 1382 states and 1805 transitions. Second operand 3 states. [2020-07-19 21:33:51,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:33:51,039 INFO L93 Difference]: Finished difference Result 3713 states and 4956 transitions. [2020-07-19 21:33:51,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:33:51,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2020-07-19 21:33:51,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:33:51,054 INFO L225 Difference]: With dead ends: 3713 [2020-07-19 21:33:51,054 INFO L226 Difference]: Without dead ends: 2337 [2020-07-19 21:33:51,058 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:33:51,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2337 states. [2020-07-19 21:33:51,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2337 to 2202. [2020-07-19 21:33:51,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2202 states. [2020-07-19 21:33:51,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 2202 states and 2892 transitions. [2020-07-19 21:33:51,137 INFO L78 Accepts]: Start accepts. Automaton has 2202 states and 2892 transitions. Word has length 164 [2020-07-19 21:33:51,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:33:51,138 INFO L479 AbstractCegarLoop]: Abstraction has 2202 states and 2892 transitions. [2020-07-19 21:33:51,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:33:51,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2892 transitions. [2020-07-19 21:33:51,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-07-19 21:33:51,146 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:33:51,146 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 21:33:51,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:33:51,361 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:33:51,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:33:51,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1590186110, now seen corresponding path program 1 times [2020-07-19 21:33:51,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:33:51,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475500908] [2020-07-19 21:33:51,362 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@57e16f1 [2020-07-19 21:33:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:51,734 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 76 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-19 21:33:51,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475500908] [2020-07-19 21:33:51,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134198495] [2020-07-19 21:33:51,736 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@57e16f1 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 21:33:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:33:51,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:33:51,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:33:52,006 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-19 21:33:52,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:33:52,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-07-19 21:33:52,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028508538] [2020-07-19 21:33:52,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:33:52,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:33:52,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:33:52,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:33:52,010 INFO L87 Difference]: Start difference. First operand 2202 states and 2892 transitions. Second operand 3 states. [2020-07-19 21:33:52,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:33:52,771 INFO L93 Difference]: Finished difference Result 5760 states and 7626 transitions. [2020-07-19 21:33:52,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:33:52,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-07-19 21:33:52,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:33:52,773 INFO L225 Difference]: With dead ends: 5760 [2020-07-19 21:33:52,773 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:33:52,783 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:33:52,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:33:52,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:33:52,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:33:52,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:33:52,785 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 217 [2020-07-19 21:33:52,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:33:52,785 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:33:52,785 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:33:52,785 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:33:52,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:33:52,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:33:53,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:33:53,605 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 41 [2020-07-19 21:33:53,711 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:33:53,711 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~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)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-19 21:33:53,711 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:33:53,712 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-19 21:33:53,712 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-19 21:33:53,712 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,712 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,712 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,712 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,712 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,713 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,713 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-19 21:33:53,713 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-19 21:33:53,713 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-19 21:33:53,713 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-19 21:33:53,713 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-19 21:33:53,713 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-19 21:33:53,714 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-19 21:33:53,714 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-19 21:33:53,714 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-19 21:33:53,714 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-19 21:33:53,714 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,714 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,715 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,715 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,715 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,715 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,715 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-19 21:33:53,715 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-19 21:33:53,715 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-19 21:33:53,716 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-19 21:33:53,716 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-19 21:33:53,716 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-19 21:33:53,716 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-19 21:33:53,716 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-19 21:33:53,716 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-19 21:33:53,716 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-19 21:33:53,717 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-19 21:33:53,717 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 548) no Hoare annotation was computed. [2020-07-19 21:33:53,717 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-19 21:33:53,717 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-19 21:33:53,717 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-19 21:33:53,717 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-19 21:33:53,718 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,718 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,718 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,718 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,718 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,718 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-19 21:33:53,718 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-19 21:33:53,719 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-19 21:33:53,719 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-19 21:33:53,719 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-19 21:33:53,719 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-19 21:33:53,719 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-19 21:33:53,719 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-19 21:33:53,719 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-19 21:33:53,720 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,720 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,720 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,720 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,720 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,720 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-19 21:33:53,720 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-19 21:33:53,721 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-19 21:33:53,721 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-19 21:33:53,721 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-19 21:33:53,721 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-19 21:33:53,721 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-19 21:33:53,721 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-19 21:33:53,721 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-19 21:33:53,722 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-19 21:33:53,722 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-19 21:33:53,722 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-19 21:33:53,722 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-19 21:33:53,722 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,722 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,722 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,723 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,723 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,723 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-19 21:33:53,723 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-19 21:33:53,723 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-19 21:33:53,723 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-19 21:33:53,723 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-19 21:33:53,724 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-19 21:33:53,724 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-19 21:33:53,724 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-19 21:33:53,724 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-19 21:33:53,724 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,724 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,724 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,725 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,725 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,725 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,725 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-19 21:33:53,725 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,725 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-19 21:33:53,725 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-19 21:33:53,726 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-19 21:33:53,726 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-19 21:33:53,726 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-19 21:33:53,726 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-19 21:33:53,726 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-19 21:33:53,726 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-19 21:33:53,726 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-19 21:33:53,727 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-19 21:33:53,727 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-19 21:33:53,727 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-19 21:33:53,727 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-19 21:33:53,727 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,727 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,727 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,727 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,728 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,728 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-19 21:33:53,728 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-19 21:33:53,728 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-19 21:33:53,728 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-19 21:33:53,728 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-19 21:33:53,728 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-19 21:33:53,729 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-19 21:33:53,729 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-19 21:33:53,729 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,729 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,729 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,729 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,729 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,730 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-19 21:33:53,730 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-19 21:33:53,730 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-19 21:33:53,730 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-19 21:33:53,730 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-19 21:33:53,730 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-19 21:33:53,730 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-19 21:33:53,730 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-19 21:33:53,731 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-19 21:33:53,731 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-19 21:33:53,731 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)))) (and (or .cse0 (not (<= |old(~a17~0)| 0))) (or (not (<= 15 |old(~a8~0)|)) .cse0) (or (not (<= |old(~a7~0)| 0)) .cse0) (or (not (<= |old(~a21~0)| 0)) (not (<= |old(~a16~0)| 5)) .cse0) (or (not (<= |old(~a16~0)| 4)) .cse0))) [2020-07-19 21:33:53,731 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-19 21:33:53,731 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,731 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,732 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,732 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,732 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-19 21:33:53,732 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,732 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,732 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-19 21:33:53,732 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-19 21:33:53,732 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-19 21:33:53,733 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-19 21:33:53,733 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-19 21:33:53,733 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-19 21:33:53,733 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-19 21:33:53,733 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-19 21:33:53,733 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-19 21:33:53,733 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-19 21:33:53,733 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-19 21:33:53,734 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-19 21:33:53,734 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,734 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,734 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,734 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,734 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,734 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-19 21:33:53,734 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,734 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-19 21:33:53,735 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-19 21:33:53,735 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-19 21:33:53,735 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-19 21:33:53,735 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-19 21:33:53,735 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-19 21:33:53,735 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-19 21:33:53,735 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-19 21:33:53,735 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-19 21:33:53,735 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-19 21:33:53,736 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-19 21:33:53,736 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-19 21:33:53,736 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-19 21:33:53,736 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-19 21:33:53,736 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,736 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,736 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,736 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,737 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,737 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 21:33:53,737 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-19 21:33:53,737 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-19 21:33:53,737 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-19 21:33:53,737 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-19 21:33:53,737 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-19 21:33:53,737 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-19 21:33:53,738 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-19 21:33:53,738 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-19 21:33:53,738 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-19 21:33:53,738 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-19 21:33:53,738 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:33:53,738 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (<= ~a16~0 5) (<= 15 ~a8~0)) [2020-07-19 21:33:53,738 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:33:53,738 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:33:53,739 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|))) [2020-07-19 21:33:53,739 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-19 21:33:53,739 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (and (<= ~a21~0 0) (<= ~a16~0 5)) (not (<= 15 |old(~a8~0)|)) (<= ~a17~0 0) (not (<= |old(~a7~0)| 0)) (<= ~a7~0 0) (not (<= |old(~a16~0)| 5)) (<= 15 ~a8~0) (<= ~a16~0 4)) [2020-07-19 21:33:53,739 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-19 21:33:53,739 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-19 21:33:53,739 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (and (<= ~a21~0 0) (<= ~a16~0 5)) (not (<= 15 |old(~a8~0)|)) (<= ~a17~0 0) (not (<= |old(~a7~0)| 0)) (<= ~a7~0 0) (not (<= |old(~a16~0)| 5)) (<= 15 ~a8~0) (<= ~a16~0 4)) [2020-07-19 21:33:53,740 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-19 21:33:53,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:33:53 BoogieIcfgContainer [2020-07-19 21:33:53,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:33:53,762 INFO L168 Benchmark]: Toolchain (without parser) took 13506.71 ms. Allocated memory was 145.8 MB in the beginning and 397.9 MB in the end (delta: 252.2 MB). Free memory was 101.8 MB in the beginning and 259.8 MB in the end (delta: -158.0 MB). Peak memory consumption was 268.2 MB. Max. memory is 7.1 GB. [2020-07-19 21:33:53,763 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-19 21:33:53,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 818.05 ms. Allocated memory was 145.8 MB in the beginning and 205.5 MB in the end (delta: 59.8 MB). Free memory was 101.3 MB in the beginning and 172.1 MB in the end (delta: -70.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. [2020-07-19 21:33:53,765 INFO L168 Benchmark]: Boogie Preprocessor took 128.66 ms. Allocated memory is still 205.5 MB. Free memory was 172.1 MB in the beginning and 167.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-19 21:33:53,766 INFO L168 Benchmark]: RCFGBuilder took 1307.24 ms. Allocated memory was 205.5 MB in the beginning and 239.1 MB in the end (delta: 33.6 MB). Free memory was 167.2 MB in the beginning and 181.3 MB in the end (delta: -14.2 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2020-07-19 21:33:53,767 INFO L168 Benchmark]: TraceAbstraction took 11245.33 ms. Allocated memory was 239.1 MB in the beginning and 397.9 MB in the end (delta: 158.9 MB). Free memory was 181.3 MB in the beginning and 259.8 MB in the end (delta: -78.4 MB). Peak memory consumption was 254.4 MB. Max. memory is 7.1 GB. [2020-07-19 21:33:53,771 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 818.05 ms. Allocated memory was 145.8 MB in the beginning and 205.5 MB in the end (delta: 59.8 MB). Free memory was 101.3 MB in the beginning and 172.1 MB in the end (delta: -70.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.66 ms. Allocated memory is still 205.5 MB. Free memory was 172.1 MB in the beginning and 167.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1307.24 ms. Allocated memory was 205.5 MB in the beginning and 239.1 MB in the end (delta: 33.6 MB). Free memory was 167.2 MB in the beginning and 181.3 MB in the end (delta: -14.2 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11245.33 ms. Allocated memory was 239.1 MB in the beginning and 397.9 MB in the end (delta: 158.9 MB). Free memory was 181.3 MB in the beginning and 259.8 MB in the end (delta: -78.4 MB). Peak memory consumption was 254.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 548]: 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: 583]: Loop Invariant Derived loop invariant: (((((((a21 <= 0 && a16 <= 5) || !(15 <= \old(a8))) || a17 <= 0) || !(\old(a7) <= 0)) || a7 <= 0) || !(\old(a16) <= 5)) || 15 <= a8) || a16 <= 4 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.4s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 719 SDtfs, 1080 SDslu, 125 SDs, 0 SdLazy, 3055 SolverSat, 618 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 725 GetRequests, 686 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2202occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 163 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 75 PreInvPairs, 127 NumberOfFragments, 290 HoareAnnotationTreeSize, 75 FomulaSimplifications, 5493 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2024 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1604 NumberOfCodeBlocks, 1604 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1594 ConstructedInterpolants, 0 QuantifiedInterpolants, 1002433 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1706 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 302/317 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...