/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/psyco/psyco_accelerometer_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:41:05,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:41:05,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:41:05,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-06 22:41:05,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:41:05,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:41:05,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:41:05,906 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 [2020-11-06 22:41:05,968 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:41:05,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:41:05,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:41:05,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:41:05,973 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:41:05,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:41:05,974 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:41:05,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:41:05,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:41:05,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:41:05,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:41:05,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:41:05,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:41:05,976 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:41:05,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:41:05,977 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:41:05,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:41:05,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:41:05,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:41:05,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:41:05,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:41:05,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:41:05,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:41:05,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:41:05,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:41:05,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:41:05,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:41:05,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:41:05,980 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:41:05,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:41:06,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:41:06,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:41:06,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:41:06,452 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:41:06,453 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:41:06,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_accelerometer_1.c [2020-11-06 22:41:06,541 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/866fe1087/c8983cac666e4b46a33afd496818f22c/FLAG4619c1809 [2020-11-06 22:41:07,654 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:41:07,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_accelerometer_1.c [2020-11-06 22:41:07,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/866fe1087/c8983cac666e4b46a33afd496818f22c/FLAG4619c1809 [2020-11-06 22:41:08,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/866fe1087/c8983cac666e4b46a33afd496818f22c [2020-11-06 22:41:08,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:41:08,102 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:41:08,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:41:08,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:41:08,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:41:08,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:41:08" (1/1) ... [2020-11-06 22:41:08,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@834b16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:08, skipping insertion in model container [2020-11-06 22:41:08,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:41:08" (1/1) ... [2020-11-06 22:41:08,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:41:08,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:41:09,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:41:09,077 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:41:09,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:41:09,433 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:41:09,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:09 WrapperNode [2020-11-06 22:41:09,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:41:09,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:41:09,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:41:09,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:41:09,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:09" (1/1) ... [2020-11-06 22:41:09,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:09" (1/1) ... [2020-11-06 22:41:09,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:09" (1/1) ... [2020-11-06 22:41:09,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:09" (1/1) ... [2020-11-06 22:41:09,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:09" (1/1) ... [2020-11-06 22:41:09,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:09" (1/1) ... [2020-11-06 22:41:09,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:09" (1/1) ... [2020-11-06 22:41:09,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:41:09,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:41:09,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:41:09,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:41:09,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:09" (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 [2020-11-06 22:41:09,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:41:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:41:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:41:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:41:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:41:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:41:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:41:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:41:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:41:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:41:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:41:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:41:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:41:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:41:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:41:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:41:11,934 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:41:11,934 INFO L298 CfgBuilder]: Removed 21 assume(true) statements. [2020-11-06 22:41:11,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:11 BoogieIcfgContainer [2020-11-06 22:41:11,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:41:11,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:41:11,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:41:11,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:41:11,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:41:08" (1/3) ... [2020-11-06 22:41:11,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5202c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:41:11, skipping insertion in model container [2020-11-06 22:41:11,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:09" (2/3) ... [2020-11-06 22:41:11,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5202c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:41:11, skipping insertion in model container [2020-11-06 22:41:11,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:11" (3/3) ... [2020-11-06 22:41:11,946 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_accelerometer_1.c [2020-11-06 22:41:11,962 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:41:11,966 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:41:11,979 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:41:12,010 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:41:12,010 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:41:12,010 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:41:12,010 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:41:12,011 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:41:12,011 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:41:12,011 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:41:12,011 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:41:12,036 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-11-06 22:41:12,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-06 22:41:12,043 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:12,044 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:41:12,044 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:12,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:12,051 INFO L82 PathProgramCache]: Analyzing trace with hash 623082268, now seen corresponding path program 1 times [2020-11-06 22:41:12,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:12,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432283249] [2020-11-06 22:41:12,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:12,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:12,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:41:12,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432283249] [2020-11-06 22:41:12,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:41:12,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:41:12,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782756243] [2020-11-06 22:41:12,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:41:12,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:12,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:41:12,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-06 22:41:12,409 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-11-06 22:41:12,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:12,512 INFO L93 Difference]: Finished difference Result 474 states and 922 transitions. [2020-11-06 22:41:12,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:41:12,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-11-06 22:41:12,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:12,528 INFO L225 Difference]: With dead ends: 474 [2020-11-06 22:41:12,529 INFO L226 Difference]: Without dead ends: 229 [2020-11-06 22:41:12,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-06 22:41:12,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-11-06 22:41:12,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2020-11-06 22:41:12,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-11-06 22:41:12,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 398 transitions. [2020-11-06 22:41:12,644 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 398 transitions. Word has length 14 [2020-11-06 22:41:12,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:12,644 INFO L481 AbstractCegarLoop]: Abstraction has 229 states and 398 transitions. [2020-11-06 22:41:12,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:41:12,645 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 398 transitions. [2020-11-06 22:41:12,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-06 22:41:12,647 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:12,647 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:41:12,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:41:12,649 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:12,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:12,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1462267612, now seen corresponding path program 1 times [2020-11-06 22:41:12,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:12,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764762512] [2020-11-06 22:41:12,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:12,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:12,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:41:12,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764762512] [2020-11-06 22:41:12,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:41:12,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:41:12,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2408320] [2020-11-06 22:41:12,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:41:12,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:12,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:41:12,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:41:12,800 INFO L87 Difference]: Start difference. First operand 229 states and 398 transitions. Second operand 4 states. [2020-11-06 22:41:14,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:14,038 INFO L93 Difference]: Finished difference Result 455 states and 794 transitions. [2020-11-06 22:41:14,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 22:41:14,038 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-11-06 22:41:14,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:14,041 INFO L225 Difference]: With dead ends: 455 [2020-11-06 22:41:14,041 INFO L226 Difference]: Without dead ends: 232 [2020-11-06 22:41:14,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:41:14,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-11-06 22:41:14,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2020-11-06 22:41:14,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-11-06 22:41:14,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 401 transitions. [2020-11-06 22:41:14,061 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 401 transitions. Word has length 15 [2020-11-06 22:41:14,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:14,061 INFO L481 AbstractCegarLoop]: Abstraction has 232 states and 401 transitions. [2020-11-06 22:41:14,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:41:14,062 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 401 transitions. [2020-11-06 22:41:14,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-06 22:41:14,063 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:14,063 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:41:14,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:41:14,063 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:14,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:14,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1671977369, now seen corresponding path program 1 times [2020-11-06 22:41:14,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:14,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731656174] [2020-11-06 22:41:14,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:14,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:14,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:41:14,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731656174] [2020-11-06 22:41:14,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:41:14,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:41:14,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781376497] [2020-11-06 22:41:14,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:41:14,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:14,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:41:14,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:41:14,254 INFO L87 Difference]: Start difference. First operand 232 states and 401 transitions. Second operand 4 states. [2020-11-06 22:41:15,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:15,512 INFO L93 Difference]: Finished difference Result 462 states and 803 transitions. [2020-11-06 22:41:15,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 22:41:15,513 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-11-06 22:41:15,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:15,517 INFO L225 Difference]: With dead ends: 462 [2020-11-06 22:41:15,517 INFO L226 Difference]: Without dead ends: 237 [2020-11-06 22:41:15,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:41:15,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-11-06 22:41:15,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 236. [2020-11-06 22:41:15,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-11-06 22:41:15,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 405 transitions. [2020-11-06 22:41:15,560 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 405 transitions. Word has length 20 [2020-11-06 22:41:15,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:15,560 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 405 transitions. [2020-11-06 22:41:15,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:41:15,561 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 405 transitions. [2020-11-06 22:41:15,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-06 22:41:15,562 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:15,565 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:41:15,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 22:41:15,566 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:15,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:15,567 INFO L82 PathProgramCache]: Analyzing trace with hash 693185343, now seen corresponding path program 1 times [2020-11-06 22:41:15,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:15,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185634455] [2020-11-06 22:41:15,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:15,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:15,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:41:15,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185634455] [2020-11-06 22:41:15,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:41:15,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:41:15,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389309909] [2020-11-06 22:41:15,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:41:15,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:15,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:41:15,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:41:15,770 INFO L87 Difference]: Start difference. First operand 236 states and 405 transitions. Second operand 4 states. [2020-11-06 22:41:17,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:17,159 INFO L93 Difference]: Finished difference Result 277 states and 462 transitions. [2020-11-06 22:41:17,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 22:41:17,160 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-11-06 22:41:17,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:17,163 INFO L225 Difference]: With dead ends: 277 [2020-11-06 22:41:17,163 INFO L226 Difference]: Without dead ends: 270 [2020-11-06 22:41:17,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:41:17,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-11-06 22:41:17,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 262. [2020-11-06 22:41:17,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-11-06 22:41:17,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 445 transitions. [2020-11-06 22:41:17,180 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 445 transitions. Word has length 23 [2020-11-06 22:41:17,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:17,181 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 445 transitions. [2020-11-06 22:41:17,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:41:17,181 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 445 transitions. [2020-11-06 22:41:17,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-06 22:41:17,182 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:17,182 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:41:17,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 22:41:17,183 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:17,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:17,183 INFO L82 PathProgramCache]: Analyzing trace with hash 367925836, now seen corresponding path program 1 times [2020-11-06 22:41:17,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:17,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501750696] [2020-11-06 22:41:17,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:17,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:17,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:41:17,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501750696] [2020-11-06 22:41:17,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:41:17,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:41:17,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111584683] [2020-11-06 22:41:17,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:41:17,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:17,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:41:17,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:41:17,325 INFO L87 Difference]: Start difference. First operand 262 states and 445 transitions. Second operand 4 states. [2020-11-06 22:41:17,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:17,728 INFO L93 Difference]: Finished difference Result 265 states and 447 transitions. [2020-11-06 22:41:17,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 22:41:17,729 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-06 22:41:17,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:17,731 INFO L225 Difference]: With dead ends: 265 [2020-11-06 22:41:17,731 INFO L226 Difference]: Without dead ends: 262 [2020-11-06 22:41:17,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:41:17,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-11-06 22:41:17,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2020-11-06 22:41:17,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-11-06 22:41:17,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 437 transitions. [2020-11-06 22:41:17,758 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 437 transitions. Word has length 24 [2020-11-06 22:41:17,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:17,759 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 437 transitions. [2020-11-06 22:41:17,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:41:17,759 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 437 transitions. [2020-11-06 22:41:17,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-06 22:41:17,760 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:17,760 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-06 22:41:17,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-06 22:41:17,761 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:17,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:17,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1229904130, now seen corresponding path program 1 times [2020-11-06 22:41:17,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:17,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860359367] [2020-11-06 22:41:17,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:17,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:17,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:41:17,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860359367] [2020-11-06 22:41:17,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:41:17,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:41:17,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600724755] [2020-11-06 22:41:17,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:41:17,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:17,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:41:17,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:41:17,886 INFO L87 Difference]: Start difference. First operand 262 states and 437 transitions. Second operand 4 states. [2020-11-06 22:41:19,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:19,437 INFO L93 Difference]: Finished difference Result 709 states and 1188 transitions. [2020-11-06 22:41:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 22:41:19,437 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-11-06 22:41:19,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:19,441 INFO L225 Difference]: With dead ends: 709 [2020-11-06 22:41:19,441 INFO L226 Difference]: Without dead ends: 448 [2020-11-06 22:41:19,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:41:19,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-11-06 22:41:19,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 423. [2020-11-06 22:41:19,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2020-11-06 22:41:19,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 648 transitions. [2020-11-06 22:41:19,460 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 648 transitions. Word has length 27 [2020-11-06 22:41:19,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:19,460 INFO L481 AbstractCegarLoop]: Abstraction has 423 states and 648 transitions. [2020-11-06 22:41:19,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:41:19,461 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 648 transitions. [2020-11-06 22:41:19,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-06 22:41:19,462 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:19,462 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-06 22:41:19,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-06 22:41:19,463 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:19,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:19,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1455565208, now seen corresponding path program 1 times [2020-11-06 22:41:19,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:19,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992286787] [2020-11-06 22:41:19,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:19,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:19,585 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-06 22:41:19,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992286787] [2020-11-06 22:41:19,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:41:19,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:41:19,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634979684] [2020-11-06 22:41:19,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:41:19,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:19,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:41:19,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:41:19,588 INFO L87 Difference]: Start difference. First operand 423 states and 648 transitions. Second operand 4 states. [2020-11-06 22:41:19,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:19,892 INFO L93 Difference]: Finished difference Result 760 states and 1174 transitions. [2020-11-06 22:41:19,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 22:41:19,894 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-11-06 22:41:19,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:19,901 INFO L225 Difference]: With dead ends: 760 [2020-11-06 22:41:19,901 INFO L226 Difference]: Without dead ends: 344 [2020-11-06 22:41:19,903 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:41:19,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2020-11-06 22:41:19,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2020-11-06 22:41:19,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-11-06 22:41:19,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 527 transitions. [2020-11-06 22:41:19,930 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 527 transitions. Word has length 34 [2020-11-06 22:41:19,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:19,930 INFO L481 AbstractCegarLoop]: Abstraction has 344 states and 527 transitions. [2020-11-06 22:41:19,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:41:19,931 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 527 transitions. [2020-11-06 22:41:19,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-06 22:41:19,932 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:19,933 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:41:19,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-06 22:41:19,933 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:19,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:19,934 INFO L82 PathProgramCache]: Analyzing trace with hash 405651018, now seen corresponding path program 1 times [2020-11-06 22:41:19,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:19,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103692723] [2020-11-06 22:41:19,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:20,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:20,045 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-06 22:41:20,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103692723] [2020-11-06 22:41:20,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:41:20,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:41:20,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85319569] [2020-11-06 22:41:20,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:41:20,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:20,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:41:20,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:41:20,049 INFO L87 Difference]: Start difference. First operand 344 states and 527 transitions. Second operand 4 states. [2020-11-06 22:41:20,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:20,316 INFO L93 Difference]: Finished difference Result 670 states and 1035 transitions. [2020-11-06 22:41:20,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 22:41:20,317 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-11-06 22:41:20,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:20,320 INFO L225 Difference]: With dead ends: 670 [2020-11-06 22:41:20,320 INFO L226 Difference]: Without dead ends: 338 [2020-11-06 22:41:20,321 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:41:20,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-11-06 22:41:20,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2020-11-06 22:41:20,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-11-06 22:41:20,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 507 transitions. [2020-11-06 22:41:20,336 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 507 transitions. Word has length 38 [2020-11-06 22:41:20,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:20,337 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 507 transitions. [2020-11-06 22:41:20,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:41:20,337 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 507 transitions. [2020-11-06 22:41:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-06 22:41:20,346 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:20,347 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-11-06 22:41:20,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-06 22:41:20,347 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:20,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:20,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1578655914, now seen corresponding path program 1 times [2020-11-06 22:41:20,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:20,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513092758] [2020-11-06 22:41:20,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:20,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:20,489 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-06 22:41:20,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513092758] [2020-11-06 22:41:20,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:41:20,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:41:20,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141582634] [2020-11-06 22:41:20,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:41:20,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:20,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:41:20,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:41:20,492 INFO L87 Difference]: Start difference. First operand 338 states and 507 transitions. Second operand 4 states. [2020-11-06 22:41:21,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:21,673 INFO L93 Difference]: Finished difference Result 381 states and 549 transitions. [2020-11-06 22:41:21,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 22:41:21,674 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-11-06 22:41:21,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:21,677 INFO L225 Difference]: With dead ends: 381 [2020-11-06 22:41:21,677 INFO L226 Difference]: Without dead ends: 343 [2020-11-06 22:41:21,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:41:21,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-11-06 22:41:21,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 338. [2020-11-06 22:41:21,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-11-06 22:41:21,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 471 transitions. [2020-11-06 22:41:21,690 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 471 transitions. Word has length 42 [2020-11-06 22:41:21,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:21,690 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 471 transitions. [2020-11-06 22:41:21,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:41:21,691 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 471 transitions. [2020-11-06 22:41:21,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-06 22:41:21,692 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:21,692 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-11-06 22:41:21,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-06 22:41:21,692 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:21,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:21,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1077982197, now seen corresponding path program 1 times [2020-11-06 22:41:21,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:21,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917387859] [2020-11-06 22:41:21,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:21,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:21,799 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-06 22:41:21,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917387859] [2020-11-06 22:41:21,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:41:21,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:41:21,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330064464] [2020-11-06 22:41:21,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:41:21,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:21,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:41:21,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:41:21,803 INFO L87 Difference]: Start difference. First operand 338 states and 471 transitions. Second operand 4 states. [2020-11-06 22:41:22,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:22,155 INFO L93 Difference]: Finished difference Result 641 states and 894 transitions. [2020-11-06 22:41:22,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 22:41:22,156 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2020-11-06 22:41:22,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:22,158 INFO L225 Difference]: With dead ends: 641 [2020-11-06 22:41:22,159 INFO L226 Difference]: Without dead ends: 315 [2020-11-06 22:41:22,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:41:22,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-11-06 22:41:22,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2020-11-06 22:41:22,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2020-11-06 22:41:22,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 434 transitions. [2020-11-06 22:41:22,172 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 434 transitions. Word has length 43 [2020-11-06 22:41:22,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:22,173 INFO L481 AbstractCegarLoop]: Abstraction has 315 states and 434 transitions. [2020-11-06 22:41:22,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:41:22,173 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 434 transitions. [2020-11-06 22:41:22,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-06 22:41:22,174 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:22,174 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-11-06 22:41:22,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-06 22:41:22,174 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:22,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:22,175 INFO L82 PathProgramCache]: Analyzing trace with hash -441806598, now seen corresponding path program 1 times [2020-11-06 22:41:22,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:22,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217555163] [2020-11-06 22:41:22,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:22,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:22,270 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-06 22:41:22,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217555163] [2020-11-06 22:41:22,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:41:22,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:41:22,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295186539] [2020-11-06 22:41:22,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:41:22,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:22,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:41:22,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:41:22,273 INFO L87 Difference]: Start difference. First operand 315 states and 434 transitions. Second operand 4 states. [2020-11-06 22:41:22,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:22,924 INFO L93 Difference]: Finished difference Result 479 states and 670 transitions. [2020-11-06 22:41:22,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 22:41:22,925 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-11-06 22:41:22,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:22,926 INFO L225 Difference]: With dead ends: 479 [2020-11-06 22:41:22,927 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:41:22,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:41:22,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:41:22,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:41:22,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:41:22,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:41:22,930 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2020-11-06 22:41:22,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:22,930 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:41:22,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:41:22,930 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:41:22,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:41:22,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-06 22:41:22,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:41:23,303 WARN L194 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 23 [2020-11-06 22:41:23,525 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 16 [2020-11-06 22:41:23,529 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:41:23,529 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:41:23,529 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:41:23,529 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:41:23,529 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:41:23,530 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~m_update~0 |old(~m_update~0)|) (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~m_dataReceived~0 |old(~m_dataReceived~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~m_init~0 |old(~m_init~0)|) (= ~m_Accelerometer~0 |old(~m_Accelerometer~0)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |old(#valid)| |#valid|) (= ~m_connect_2~0 |old(~m_connect_2~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~m_getValueX~0 |old(~m_getValueX~0)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~m_getValueY~0 |old(~m_getValueY~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~m_disconnect~0 |old(~m_disconnect~0)|)) [2020-11-06 22:41:23,530 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:41:23,530 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:41:23,530 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-06 22:41:23,530 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:41:23,530 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:41:23,530 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 18 1257) no Hoare annotation was computed. [2020-11-06 22:41:23,530 INFO L266 CegarLoopResult]: For program point L1093(lines 1093 1095) no Hoare annotation was computed. [2020-11-06 22:41:23,530 INFO L266 CegarLoopResult]: For program point L961(lines 961 963) no Hoare annotation was computed. [2020-11-06 22:41:23,531 INFO L266 CegarLoopResult]: For program point L829(lines 829 840) no Hoare annotation was computed. [2020-11-06 22:41:23,531 INFO L266 CegarLoopResult]: For program point L763(lines 763 778) no Hoare annotation was computed. [2020-11-06 22:41:23,531 INFO L266 CegarLoopResult]: For program point L433(lines 433 435) no Hoare annotation was computed. [2020-11-06 22:41:23,531 INFO L266 CegarLoopResult]: For program point L301(lines 301 303) no Hoare annotation was computed. [2020-11-06 22:41:23,531 INFO L266 CegarLoopResult]: For program point L169(lines 169 180) no Hoare annotation was computed. [2020-11-06 22:41:23,531 INFO L266 CegarLoopResult]: For program point L897(lines 897 899) no Hoare annotation was computed. [2020-11-06 22:41:23,531 INFO L266 CegarLoopResult]: For program point L765(lines 765 776) no Hoare annotation was computed. [2020-11-06 22:41:23,531 INFO L266 CegarLoopResult]: For program point L699(lines 699 714) no Hoare annotation was computed. [2020-11-06 22:41:23,531 INFO L266 CegarLoopResult]: For program point L369(lines 369 371) no Hoare annotation was computed. [2020-11-06 22:41:23,531 INFO L266 CegarLoopResult]: For program point L237(lines 237 239) no Hoare annotation was computed. [2020-11-06 22:41:23,532 INFO L266 CegarLoopResult]: For program point L105(lines 105 107) no Hoare annotation was computed. [2020-11-06 22:41:23,532 INFO L266 CegarLoopResult]: For program point L833(lines 833 835) no Hoare annotation was computed. [2020-11-06 22:41:23,532 INFO L266 CegarLoopResult]: For program point L701(lines 701 712) no Hoare annotation was computed. [2020-11-06 22:41:23,532 INFO L266 CegarLoopResult]: For program point L635(lines 635 650) no Hoare annotation was computed. [2020-11-06 22:41:23,532 INFO L266 CegarLoopResult]: For program point L173(lines 173 175) no Hoare annotation was computed. [2020-11-06 22:41:23,532 INFO L266 CegarLoopResult]: For program point L1231(lines 1231 1246) no Hoare annotation was computed. [2020-11-06 22:41:23,532 INFO L266 CegarLoopResult]: For program point L769(lines 769 771) no Hoare annotation was computed. [2020-11-06 22:41:23,532 INFO L266 CegarLoopResult]: For program point L637(lines 637 648) no Hoare annotation was computed. [2020-11-06 22:41:23,532 INFO L266 CegarLoopResult]: For program point L571(lines 571 586) no Hoare annotation was computed. [2020-11-06 22:41:23,533 INFO L266 CegarLoopResult]: For program point L1233(lines 1233 1244) no Hoare annotation was computed. [2020-11-06 22:41:23,533 INFO L266 CegarLoopResult]: For program point L1167(lines 1167 1182) no Hoare annotation was computed. [2020-11-06 22:41:23,533 INFO L266 CegarLoopResult]: For program point L1035(lines 1035 1050) no Hoare annotation was computed. [2020-11-06 22:41:23,533 INFO L266 CegarLoopResult]: For program point L705(lines 705 707) no Hoare annotation was computed. [2020-11-06 22:41:23,533 INFO L266 CegarLoopResult]: For program point L573(lines 573 584) no Hoare annotation was computed. [2020-11-06 22:41:23,533 INFO L266 CegarLoopResult]: For program point L507(lines 507 522) no Hoare annotation was computed. [2020-11-06 22:41:23,533 INFO L266 CegarLoopResult]: For program point L1169(lines 1169 1180) no Hoare annotation was computed. [2020-11-06 22:41:23,533 INFO L266 CegarLoopResult]: For program point L1103(lines 1103 1118) no Hoare annotation was computed. [2020-11-06 22:41:23,533 INFO L266 CegarLoopResult]: For program point L46(lines 46 65) no Hoare annotation was computed. [2020-11-06 22:41:23,534 INFO L266 CegarLoopResult]: For program point L1037(lines 1037 1048) no Hoare annotation was computed. [2020-11-06 22:41:23,534 INFO L266 CegarLoopResult]: For program point L971(lines 971 986) no Hoare annotation was computed. [2020-11-06 22:41:23,534 INFO L266 CegarLoopResult]: For program point L641(lines 641 643) no Hoare annotation was computed. [2020-11-06 22:41:23,534 INFO L266 CegarLoopResult]: For program point L509(lines 509 520) no Hoare annotation was computed. [2020-11-06 22:41:23,534 INFO L266 CegarLoopResult]: For program point L443(lines 443 458) no Hoare annotation was computed. [2020-11-06 22:41:23,534 INFO L266 CegarLoopResult]: For program point L311(lines 311 326) no Hoare annotation was computed. [2020-11-06 22:41:23,534 INFO L266 CegarLoopResult]: For program point L47(lines 47 62) no Hoare annotation was computed. [2020-11-06 22:41:23,534 INFO L266 CegarLoopResult]: For program point L1237(lines 1237 1239) no Hoare annotation was computed. [2020-11-06 22:41:23,534 INFO L266 CegarLoopResult]: For program point L1105(lines 1105 1116) no Hoare annotation was computed. [2020-11-06 22:41:23,535 INFO L266 CegarLoopResult]: For program point L973(lines 973 984) no Hoare annotation was computed. [2020-11-06 22:41:23,535 INFO L266 CegarLoopResult]: For program point L907(lines 907 922) no Hoare annotation was computed. [2020-11-06 22:41:23,535 INFO L266 CegarLoopResult]: For program point L577(lines 577 579) no Hoare annotation was computed. [2020-11-06 22:41:23,535 INFO L266 CegarLoopResult]: For program point L445(lines 445 456) no Hoare annotation was computed. [2020-11-06 22:41:23,535 INFO L266 CegarLoopResult]: For program point L379(lines 379 394) no Hoare annotation was computed. [2020-11-06 22:41:23,535 INFO L266 CegarLoopResult]: For program point L313(lines 313 324) no Hoare annotation was computed. [2020-11-06 22:41:23,535 INFO L266 CegarLoopResult]: For program point L247(lines 247 262) no Hoare annotation was computed. [2020-11-06 22:41:23,535 INFO L262 CegarLoopResult]: At program point L1238(lines 18 1257) the Hoare annotation is: false [2020-11-06 22:41:23,535 INFO L266 CegarLoopResult]: For program point L115(lines 115 130) no Hoare annotation was computed. [2020-11-06 22:41:23,536 INFO L266 CegarLoopResult]: For program point L49(lines 49 60) no Hoare annotation was computed. [2020-11-06 22:41:23,536 INFO L266 CegarLoopResult]: For program point L1173(lines 1173 1175) no Hoare annotation was computed. [2020-11-06 22:41:23,536 INFO L266 CegarLoopResult]: For program point L1041(lines 1041 1043) no Hoare annotation was computed. [2020-11-06 22:41:23,536 INFO L266 CegarLoopResult]: For program point L909(lines 909 920) no Hoare annotation was computed. [2020-11-06 22:41:23,536 INFO L266 CegarLoopResult]: For program point L843(lines 843 858) no Hoare annotation was computed. [2020-11-06 22:41:23,536 INFO L266 CegarLoopResult]: For program point L513(lines 513 515) no Hoare annotation was computed. [2020-11-06 22:41:23,536 INFO L266 CegarLoopResult]: For program point L381(lines 381 392) no Hoare annotation was computed. [2020-11-06 22:41:23,536 INFO L266 CegarLoopResult]: For program point L249(lines 249 260) no Hoare annotation was computed. [2020-11-06 22:41:23,536 INFO L266 CegarLoopResult]: For program point L183(lines 183 198) no Hoare annotation was computed. [2020-11-06 22:41:23,536 INFO L266 CegarLoopResult]: For program point L117(lines 117 128) no Hoare annotation was computed. [2020-11-06 22:41:23,537 INFO L266 CegarLoopResult]: For program point L1109(lines 1109 1111) no Hoare annotation was computed. [2020-11-06 22:41:23,537 INFO L266 CegarLoopResult]: For program point L977(lines 977 979) no Hoare annotation was computed. [2020-11-06 22:41:23,537 INFO L266 CegarLoopResult]: For program point L845(lines 845 856) no Hoare annotation was computed. [2020-11-06 22:41:23,537 INFO L266 CegarLoopResult]: For program point L779(lines 779 794) no Hoare annotation was computed. [2020-11-06 22:41:23,537 INFO L266 CegarLoopResult]: For program point L449(lines 449 451) no Hoare annotation was computed. [2020-11-06 22:41:23,537 INFO L266 CegarLoopResult]: For program point L317(lines 317 319) no Hoare annotation was computed. [2020-11-06 22:41:23,537 INFO L266 CegarLoopResult]: For program point L185(lines 185 196) no Hoare annotation was computed. [2020-11-06 22:41:23,537 INFO L266 CegarLoopResult]: For program point L53(lines 53 55) no Hoare annotation was computed. [2020-11-06 22:41:23,537 INFO L266 CegarLoopResult]: For program point L913(lines 913 915) no Hoare annotation was computed. [2020-11-06 22:41:23,537 INFO L266 CegarLoopResult]: For program point L781(lines 781 792) no Hoare annotation was computed. [2020-11-06 22:41:23,538 INFO L266 CegarLoopResult]: For program point L715(lines 715 730) no Hoare annotation was computed. [2020-11-06 22:41:23,538 INFO L266 CegarLoopResult]: For program point L385(lines 385 387) no Hoare annotation was computed. [2020-11-06 22:41:23,538 INFO L266 CegarLoopResult]: For program point L253(lines 253 255) no Hoare annotation was computed. [2020-11-06 22:41:23,538 INFO L266 CegarLoopResult]: For program point L121(lines 121 123) no Hoare annotation was computed. [2020-11-06 22:41:23,538 INFO L266 CegarLoopResult]: For program point L849(lines 849 851) no Hoare annotation was computed. [2020-11-06 22:41:23,538 INFO L266 CegarLoopResult]: For program point L717(lines 717 728) no Hoare annotation was computed. [2020-11-06 22:41:23,538 INFO L266 CegarLoopResult]: For program point L651(lines 651 666) no Hoare annotation was computed. [2020-11-06 22:41:23,538 INFO L266 CegarLoopResult]: For program point L189(lines 189 191) no Hoare annotation was computed. [2020-11-06 22:41:23,538 INFO L266 CegarLoopResult]: For program point L785(lines 785 787) no Hoare annotation was computed. [2020-11-06 22:41:23,538 INFO L266 CegarLoopResult]: For program point L653(lines 653 664) no Hoare annotation was computed. [2020-11-06 22:41:23,539 INFO L266 CegarLoopResult]: For program point L587(lines 587 602) no Hoare annotation was computed. [2020-11-06 22:41:23,539 INFO L262 CegarLoopResult]: At program point L1248(lines 34 1252) the Hoare annotation is: (let ((.cse2 (= main_~this_m_conn~0 1)) (.cse0 (= main_~this_m_delta~0 1)) (.cse1 (= main_~this_m_conn_data_listener~0 0))) (or (and .cse0 (<= 4 main_~q~0) .cse1 .cse2) (and .cse0 (= main_~q~0 3) .cse2 (= main_~this_m_conn_data_listener~0 1)) (and .cse0 (= main_~q~0 0)) (and .cse0 (= main_~this_m_conn~0 0) .cse1 (= main_~q~0 2)))) [2020-11-06 22:41:23,539 INFO L266 CegarLoopResult]: For program point L1183(lines 1183 1198) no Hoare annotation was computed. [2020-11-06 22:41:23,539 INFO L266 CegarLoopResult]: For program point L1051(lines 1051 1066) no Hoare annotation was computed. [2020-11-06 22:41:23,539 INFO L266 CegarLoopResult]: For program point L721(lines 721 723) no Hoare annotation was computed. [2020-11-06 22:41:23,539 INFO L266 CegarLoopResult]: For program point L589(lines 589 600) no Hoare annotation was computed. [2020-11-06 22:41:23,539 INFO L266 CegarLoopResult]: For program point L523(lines 523 538) no Hoare annotation was computed. [2020-11-06 22:41:23,539 INFO L266 CegarLoopResult]: For program point L1185(lines 1185 1196) no Hoare annotation was computed. [2020-11-06 22:41:23,540 INFO L266 CegarLoopResult]: For program point L1119(lines 1119 1134) no Hoare annotation was computed. [2020-11-06 22:41:23,540 INFO L266 CegarLoopResult]: For program point L1053(lines 1053 1064) no Hoare annotation was computed. [2020-11-06 22:41:23,540 INFO L266 CegarLoopResult]: For program point L987(lines 987 1002) no Hoare annotation was computed. [2020-11-06 22:41:23,540 INFO L266 CegarLoopResult]: For program point L657(lines 657 659) no Hoare annotation was computed. [2020-11-06 22:41:23,540 INFO L266 CegarLoopResult]: For program point L525(lines 525 536) no Hoare annotation was computed. [2020-11-06 22:41:23,540 INFO L266 CegarLoopResult]: For program point L459(lines 459 474) no Hoare annotation was computed. [2020-11-06 22:41:23,540 INFO L266 CegarLoopResult]: For program point L1121(lines 1121 1132) no Hoare annotation was computed. [2020-11-06 22:41:23,540 INFO L266 CegarLoopResult]: For program point L989(lines 989 1000) no Hoare annotation was computed. [2020-11-06 22:41:23,540 INFO L266 CegarLoopResult]: For program point L923(lines 923 938) no Hoare annotation was computed. [2020-11-06 22:41:23,540 INFO L266 CegarLoopResult]: For program point L593(lines 593 595) no Hoare annotation was computed. [2020-11-06 22:41:23,540 INFO L266 CegarLoopResult]: For program point L461(lines 461 472) no Hoare annotation was computed. [2020-11-06 22:41:23,541 INFO L266 CegarLoopResult]: For program point L395(lines 395 410) no Hoare annotation was computed. [2020-11-06 22:41:23,541 INFO L266 CegarLoopResult]: For program point L263(lines 263 278) no Hoare annotation was computed. [2020-11-06 22:41:23,541 INFO L266 CegarLoopResult]: For program point L131(lines 131 146) no Hoare annotation was computed. [2020-11-06 22:41:23,541 INFO L266 CegarLoopResult]: For program point L330(lines 330 1069) no Hoare annotation was computed. [2020-11-06 22:41:23,541 INFO L266 CegarLoopResult]: For program point L1189(lines 1189 1191) no Hoare annotation was computed. [2020-11-06 22:41:23,541 INFO L266 CegarLoopResult]: For program point L66(lines 66 149) no Hoare annotation was computed. [2020-11-06 22:41:23,541 INFO L266 CegarLoopResult]: For program point L1057(lines 1057 1059) no Hoare annotation was computed. [2020-11-06 22:41:23,541 INFO L266 CegarLoopResult]: For program point L925(lines 925 936) no Hoare annotation was computed. [2020-11-06 22:41:23,541 INFO L266 CegarLoopResult]: For program point L859(lines 859 874) no Hoare annotation was computed. [2020-11-06 22:41:23,541 INFO L266 CegarLoopResult]: For program point L529(lines 529 531) no Hoare annotation was computed. [2020-11-06 22:41:23,541 INFO L266 CegarLoopResult]: For program point L397(lines 397 408) no Hoare annotation was computed. [2020-11-06 22:41:23,542 INFO L266 CegarLoopResult]: For program point L331(lines 331 346) no Hoare annotation was computed. [2020-11-06 22:41:23,542 INFO L266 CegarLoopResult]: For program point L265(lines 265 276) no Hoare annotation was computed. [2020-11-06 22:41:23,542 INFO L266 CegarLoopResult]: For program point L1256(line 1256) no Hoare annotation was computed. [2020-11-06 22:41:23,542 INFO L266 CegarLoopResult]: For program point L199(lines 199 214) no Hoare annotation was computed. [2020-11-06 22:41:23,542 INFO L266 CegarLoopResult]: For program point L133(lines 133 144) no Hoare annotation was computed. [2020-11-06 22:41:23,542 INFO L266 CegarLoopResult]: For program point L67(lines 67 82) no Hoare annotation was computed. [2020-11-06 22:41:23,542 INFO L266 CegarLoopResult]: For program point L1125(lines 1125 1127) no Hoare annotation was computed. [2020-11-06 22:41:23,542 INFO L266 CegarLoopResult]: For program point L993(lines 993 995) no Hoare annotation was computed. [2020-11-06 22:41:23,542 INFO L266 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-11-06 22:41:23,542 INFO L266 CegarLoopResult]: For program point L795(lines 795 810) no Hoare annotation was computed. [2020-11-06 22:41:23,542 INFO L266 CegarLoopResult]: For program point L465(lines 465 467) no Hoare annotation was computed. [2020-11-06 22:41:23,543 INFO L266 CegarLoopResult]: For program point L333(lines 333 344) no Hoare annotation was computed. [2020-11-06 22:41:23,543 INFO L266 CegarLoopResult]: For program point L201(lines 201 212) no Hoare annotation was computed. [2020-11-06 22:41:23,543 INFO L266 CegarLoopResult]: For program point L69(lines 69 80) no Hoare annotation was computed. [2020-11-06 22:41:23,543 INFO L266 CegarLoopResult]: For program point L929(lines 929 931) no Hoare annotation was computed. [2020-11-06 22:41:23,543 INFO L266 CegarLoopResult]: For program point L797(lines 797 808) no Hoare annotation was computed. [2020-11-06 22:41:23,543 INFO L266 CegarLoopResult]: For program point L731(lines 731 746) no Hoare annotation was computed. [2020-11-06 22:41:23,543 INFO L266 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-06 22:41:23,543 INFO L266 CegarLoopResult]: For program point L269(lines 269 271) no Hoare annotation was computed. [2020-11-06 22:41:23,543 INFO L266 CegarLoopResult]: For program point mainFINAL(lines 18 1257) no Hoare annotation was computed. [2020-11-06 22:41:23,543 INFO L266 CegarLoopResult]: For program point L137(lines 137 139) no Hoare annotation was computed. [2020-11-06 22:41:23,544 INFO L266 CegarLoopResult]: For program point L865(lines 865 867) no Hoare annotation was computed. [2020-11-06 22:41:23,544 INFO L266 CegarLoopResult]: For program point L733(lines 733 744) no Hoare annotation was computed. [2020-11-06 22:41:23,544 INFO L266 CegarLoopResult]: For program point L667(lines 667 682) no Hoare annotation was computed. [2020-11-06 22:41:23,544 INFO L266 CegarLoopResult]: For program point L337(lines 337 339) no Hoare annotation was computed. [2020-11-06 22:41:23,544 INFO L266 CegarLoopResult]: For program point L205(lines 205 207) no Hoare annotation was computed. [2020-11-06 22:41:23,544 INFO L266 CegarLoopResult]: For program point L73(lines 73 75) no Hoare annotation was computed. [2020-11-06 22:41:23,544 INFO L266 CegarLoopResult]: For program point L801(lines 801 803) no Hoare annotation was computed. [2020-11-06 22:41:23,544 INFO L266 CegarLoopResult]: For program point L669(lines 669 680) no Hoare annotation was computed. [2020-11-06 22:41:23,544 INFO L266 CegarLoopResult]: For program point L603(lines 603 618) no Hoare annotation was computed. [2020-11-06 22:41:23,544 INFO L266 CegarLoopResult]: For program point L1199(lines 1199 1214) no Hoare annotation was computed. [2020-11-06 22:41:23,544 INFO L266 CegarLoopResult]: For program point L737(lines 737 739) no Hoare annotation was computed. [2020-11-06 22:41:23,545 INFO L266 CegarLoopResult]: For program point L605(lines 605 616) no Hoare annotation was computed. [2020-11-06 22:41:23,545 INFO L266 CegarLoopResult]: For program point L539(lines 539 554) no Hoare annotation was computed. [2020-11-06 22:41:23,545 INFO L266 CegarLoopResult]: For program point L1201(lines 1201 1212) no Hoare annotation was computed. [2020-11-06 22:41:23,545 INFO L266 CegarLoopResult]: For program point L1135(lines 1135 1150) no Hoare annotation was computed. [2020-11-06 22:41:23,545 INFO L266 CegarLoopResult]: For program point L1003(lines 1003 1018) no Hoare annotation was computed. [2020-11-06 22:41:23,545 INFO L266 CegarLoopResult]: For program point L673(lines 673 675) no Hoare annotation was computed. [2020-11-06 22:41:23,545 INFO L266 CegarLoopResult]: For program point L541(lines 541 552) no Hoare annotation was computed. [2020-11-06 22:41:23,545 INFO L266 CegarLoopResult]: For program point L475(lines 475 490) no Hoare annotation was computed. [2020-11-06 22:41:23,545 INFO L266 CegarLoopResult]: For program point L1070(lines 1070 1249) no Hoare annotation was computed. [2020-11-06 22:41:23,545 INFO L266 CegarLoopResult]: For program point L1137(lines 1137 1148) no Hoare annotation was computed. [2020-11-06 22:41:23,545 INFO L266 CegarLoopResult]: For program point L1071(lines 1071 1086) no Hoare annotation was computed. [2020-11-06 22:41:23,546 INFO L266 CegarLoopResult]: For program point L1005(lines 1005 1016) no Hoare annotation was computed. [2020-11-06 22:41:23,546 INFO L266 CegarLoopResult]: For program point L939(lines 939 954) no Hoare annotation was computed. [2020-11-06 22:41:23,546 INFO L266 CegarLoopResult]: For program point L609(lines 609 611) no Hoare annotation was computed. [2020-11-06 22:41:23,546 INFO L266 CegarLoopResult]: For program point L477(lines 477 488) no Hoare annotation was computed. [2020-11-06 22:41:23,546 INFO L266 CegarLoopResult]: For program point L411(lines 411 426) no Hoare annotation was computed. [2020-11-06 22:41:23,546 INFO L266 CegarLoopResult]: For program point L279(lines 279 294) no Hoare annotation was computed. [2020-11-06 22:41:23,546 INFO L266 CegarLoopResult]: For program point L1205(lines 1205 1207) no Hoare annotation was computed. [2020-11-06 22:41:23,546 INFO L266 CegarLoopResult]: For program point L1073(lines 1073 1084) no Hoare annotation was computed. [2020-11-06 22:41:23,546 INFO L266 CegarLoopResult]: For program point L941(lines 941 952) no Hoare annotation was computed. [2020-11-06 22:41:23,546 INFO L266 CegarLoopResult]: For program point L875(lines 875 890) no Hoare annotation was computed. [2020-11-06 22:41:23,546 INFO L266 CegarLoopResult]: For program point L545(lines 545 547) no Hoare annotation was computed. [2020-11-06 22:41:23,547 INFO L266 CegarLoopResult]: For program point L413(lines 413 424) no Hoare annotation was computed. [2020-11-06 22:41:23,547 INFO L266 CegarLoopResult]: For program point L347(lines 347 362) no Hoare annotation was computed. [2020-11-06 22:41:23,547 INFO L266 CegarLoopResult]: For program point L281(lines 281 292) no Hoare annotation was computed. [2020-11-06 22:41:23,547 INFO L266 CegarLoopResult]: For program point L215(lines 215 230) no Hoare annotation was computed. [2020-11-06 22:41:23,547 INFO L266 CegarLoopResult]: For program point L83(lines 83 98) no Hoare annotation was computed. [2020-11-06 22:41:23,547 INFO L266 CegarLoopResult]: For program point L150(lines 150 329) no Hoare annotation was computed. [2020-11-06 22:41:23,547 INFO L266 CegarLoopResult]: For program point L1141(lines 1141 1143) no Hoare annotation was computed. [2020-11-06 22:41:23,547 INFO L266 CegarLoopResult]: For program point L1009(lines 1009 1011) no Hoare annotation was computed. [2020-11-06 22:41:23,547 INFO L266 CegarLoopResult]: For program point L877(lines 877 888) no Hoare annotation was computed. [2020-11-06 22:41:23,547 INFO L266 CegarLoopResult]: For program point L811(lines 811 826) no Hoare annotation was computed. [2020-11-06 22:41:23,547 INFO L266 CegarLoopResult]: For program point L481(lines 481 483) no Hoare annotation was computed. [2020-11-06 22:41:23,548 INFO L266 CegarLoopResult]: For program point L349(lines 349 360) no Hoare annotation was computed. [2020-11-06 22:41:23,548 INFO L266 CegarLoopResult]: For program point L217(lines 217 228) no Hoare annotation was computed. [2020-11-06 22:41:23,548 INFO L266 CegarLoopResult]: For program point L151(lines 151 166) no Hoare annotation was computed. [2020-11-06 22:41:23,548 INFO L266 CegarLoopResult]: For program point L85(lines 85 96) no Hoare annotation was computed. [2020-11-06 22:41:23,548 INFO L266 CegarLoopResult]: For program point L1077(lines 1077 1079) no Hoare annotation was computed. [2020-11-06 22:41:23,548 INFO L266 CegarLoopResult]: For program point L945(lines 945 947) no Hoare annotation was computed. [2020-11-06 22:41:23,548 INFO L266 CegarLoopResult]: For program point L813(lines 813 824) no Hoare annotation was computed. [2020-11-06 22:41:23,548 INFO L266 CegarLoopResult]: For program point L747(lines 747 762) no Hoare annotation was computed. [2020-11-06 22:41:23,548 INFO L266 CegarLoopResult]: For program point L417(lines 417 419) no Hoare annotation was computed. [2020-11-06 22:41:23,548 INFO L266 CegarLoopResult]: For program point L285(lines 285 287) no Hoare annotation was computed. [2020-11-06 22:41:23,548 INFO L266 CegarLoopResult]: For program point L153(lines 153 164) no Hoare annotation was computed. [2020-11-06 22:41:23,549 INFO L266 CegarLoopResult]: For program point L881(lines 881 883) no Hoare annotation was computed. [2020-11-06 22:41:23,549 INFO L266 CegarLoopResult]: For program point L749(lines 749 760) no Hoare annotation was computed. [2020-11-06 22:41:23,549 INFO L266 CegarLoopResult]: For program point L683(lines 683 698) no Hoare annotation was computed. [2020-11-06 22:41:23,549 INFO L266 CegarLoopResult]: For program point L353(lines 353 355) no Hoare annotation was computed. [2020-11-06 22:41:23,549 INFO L266 CegarLoopResult]: For program point L221(lines 221 223) no Hoare annotation was computed. [2020-11-06 22:41:23,549 INFO L266 CegarLoopResult]: For program point L89(lines 89 91) no Hoare annotation was computed. [2020-11-06 22:41:23,549 INFO L266 CegarLoopResult]: For program point L817(lines 817 819) no Hoare annotation was computed. [2020-11-06 22:41:23,549 INFO L266 CegarLoopResult]: For program point L685(lines 685 696) no Hoare annotation was computed. [2020-11-06 22:41:23,549 INFO L266 CegarLoopResult]: For program point L619(lines 619 634) no Hoare annotation was computed. [2020-11-06 22:41:23,549 INFO L266 CegarLoopResult]: For program point L157(lines 157 159) no Hoare annotation was computed. [2020-11-06 22:41:23,549 INFO L266 CegarLoopResult]: For program point L1215(lines 1215 1230) no Hoare annotation was computed. [2020-11-06 22:41:23,550 INFO L266 CegarLoopResult]: For program point L753(lines 753 755) no Hoare annotation was computed. [2020-11-06 22:41:23,550 INFO L266 CegarLoopResult]: For program point L621(lines 621 632) no Hoare annotation was computed. [2020-11-06 22:41:23,550 INFO L266 CegarLoopResult]: For program point L555(lines 555 570) no Hoare annotation was computed. [2020-11-06 22:41:23,550 INFO L266 CegarLoopResult]: For program point L1217(lines 1217 1228) no Hoare annotation was computed. [2020-11-06 22:41:23,550 INFO L266 CegarLoopResult]: For program point L1151(lines 1151 1166) no Hoare annotation was computed. [2020-11-06 22:41:23,550 INFO L266 CegarLoopResult]: For program point L1019(lines 1019 1034) no Hoare annotation was computed. [2020-11-06 22:41:23,550 INFO L266 CegarLoopResult]: For program point L689(lines 689 691) no Hoare annotation was computed. [2020-11-06 22:41:23,550 INFO L266 CegarLoopResult]: For program point L557(lines 557 568) no Hoare annotation was computed. [2020-11-06 22:41:23,550 INFO L266 CegarLoopResult]: For program point L491(lines 491 506) no Hoare annotation was computed. [2020-11-06 22:41:23,550 INFO L266 CegarLoopResult]: For program point L1153(lines 1153 1164) no Hoare annotation was computed. [2020-11-06 22:41:23,550 INFO L266 CegarLoopResult]: For program point L1087(lines 1087 1102) no Hoare annotation was computed. [2020-11-06 22:41:23,551 INFO L269 CegarLoopResult]: At program point mainENTRY(lines 18 1257) the Hoare annotation is: true [2020-11-06 22:41:23,551 INFO L266 CegarLoopResult]: For program point L1021(lines 1021 1032) no Hoare annotation was computed. [2020-11-06 22:41:23,551 INFO L266 CegarLoopResult]: For program point L955(lines 955 970) no Hoare annotation was computed. [2020-11-06 22:41:23,551 INFO L266 CegarLoopResult]: For program point L625(lines 625 627) no Hoare annotation was computed. [2020-11-06 22:41:23,551 INFO L266 CegarLoopResult]: For program point L493(lines 493 504) no Hoare annotation was computed. [2020-11-06 22:41:23,551 INFO L266 CegarLoopResult]: For program point L427(lines 427 442) no Hoare annotation was computed. [2020-11-06 22:41:23,551 INFO L266 CegarLoopResult]: For program point L295(lines 295 310) no Hoare annotation was computed. [2020-11-06 22:41:23,551 INFO L266 CegarLoopResult]: For program point L1221(lines 1221 1223) no Hoare annotation was computed. [2020-11-06 22:41:23,551 INFO L266 CegarLoopResult]: For program point L1089(lines 1089 1100) no Hoare annotation was computed. [2020-11-06 22:41:23,551 INFO L266 CegarLoopResult]: For program point L957(lines 957 968) no Hoare annotation was computed. [2020-11-06 22:41:23,551 INFO L266 CegarLoopResult]: For program point L891(lines 891 906) no Hoare annotation was computed. [2020-11-06 22:41:23,552 INFO L266 CegarLoopResult]: For program point L561(lines 561 563) no Hoare annotation was computed. [2020-11-06 22:41:23,552 INFO L266 CegarLoopResult]: For program point L429(lines 429 440) no Hoare annotation was computed. [2020-11-06 22:41:23,552 INFO L266 CegarLoopResult]: For program point L363(lines 363 378) no Hoare annotation was computed. [2020-11-06 22:41:23,552 INFO L266 CegarLoopResult]: For program point L297(lines 297 308) no Hoare annotation was computed. [2020-11-06 22:41:23,552 INFO L266 CegarLoopResult]: For program point L231(lines 231 246) no Hoare annotation was computed. [2020-11-06 22:41:23,552 INFO L266 CegarLoopResult]: For program point L99(lines 99 114) no Hoare annotation was computed. [2020-11-06 22:41:23,552 INFO L266 CegarLoopResult]: For program point L1157(lines 1157 1159) no Hoare annotation was computed. [2020-11-06 22:41:23,552 INFO L266 CegarLoopResult]: For program point L1025(lines 1025 1027) no Hoare annotation was computed. [2020-11-06 22:41:23,552 INFO L262 CegarLoopResult]: At program point L34-2(lines 34 1252) the Hoare annotation is: (let ((.cse0 (= main_~this_m_delta~0 1)) (.cse1 (= main_~this_m_conn_data_listener~0 0))) (or (and .cse0 (<= 4 main_~q~0) .cse1 (= main_~this_m_conn~0 1)) (and .cse0 (= main_~q~0 0) (= main_~this_m_conn~0 0) .cse1))) [2020-11-06 22:41:23,552 INFO L266 CegarLoopResult]: For program point L34-3(lines 34 1252) no Hoare annotation was computed. [2020-11-06 22:41:23,553 INFO L266 CegarLoopResult]: For program point L893(lines 893 904) no Hoare annotation was computed. [2020-11-06 22:41:23,553 INFO L266 CegarLoopResult]: For program point L827(lines 827 842) no Hoare annotation was computed. [2020-11-06 22:41:23,553 INFO L266 CegarLoopResult]: For program point L497(lines 497 499) no Hoare annotation was computed. [2020-11-06 22:41:23,553 INFO L266 CegarLoopResult]: For program point L365(lines 365 376) no Hoare annotation was computed. [2020-11-06 22:41:23,553 INFO L266 CegarLoopResult]: For program point L233(lines 233 244) no Hoare annotation was computed. [2020-11-06 22:41:23,553 INFO L266 CegarLoopResult]: For program point L167(lines 167 182) no Hoare annotation was computed. [2020-11-06 22:41:23,553 INFO L266 CegarLoopResult]: For program point L101(lines 101 112) no Hoare annotation was computed. [2020-11-06 22:41:23,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:41:23 BoogieIcfgContainer [2020-11-06 22:41:23,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:41:23,575 INFO L168 Benchmark]: Toolchain (without parser) took 15478.30 ms. Allocated memory was 158.3 MB in the beginning and 299.9 MB in the end (delta: 141.6 MB). Free memory was 103.5 MB in the beginning and 99.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 146.7 MB. Max. memory is 8.0 GB. [2020-11-06 22:41:23,576 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 158.3 MB. Free memory is still 129.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:41:23,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1331.84 ms. Allocated memory is still 158.3 MB. Free memory was 102.7 MB in the beginning and 90.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 28.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:41:23,578 INFO L168 Benchmark]: Boogie Preprocessor took 275.08 ms. Allocated memory is still 158.3 MB. Free memory was 90.8 MB in the beginning and 76.7 MB in the end (delta: 14.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-11-06 22:41:23,579 INFO L168 Benchmark]: RCFGBuilder took 2223.23 ms. Allocated memory was 158.3 MB in the beginning and 203.4 MB in the end (delta: 45.1 MB). Free memory was 76.7 MB in the beginning and 80.1 MB in the end (delta: -3.4 MB). Peak memory consumption was 71.6 MB. Max. memory is 8.0 GB. [2020-11-06 22:41:23,580 INFO L168 Benchmark]: TraceAbstraction took 11634.64 ms. Allocated memory was 203.4 MB in the beginning and 299.9 MB in the end (delta: 96.5 MB). Free memory was 79.6 MB in the beginning and 99.5 MB in the end (delta: -19.9 MB). Peak memory consumption was 77.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:41:23,583 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 158.3 MB. Free memory is still 129.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1331.84 ms. Allocated memory is still 158.3 MB. Free memory was 102.7 MB in the beginning and 90.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 28.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 275.08 ms. Allocated memory is still 158.3 MB. Free memory was 90.8 MB in the beginning and 76.7 MB in the end (delta: 14.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2223.23 ms. Allocated memory was 158.3 MB in the beginning and 203.4 MB in the end (delta: 45.1 MB). Free memory was 76.7 MB in the beginning and 80.1 MB in the end (delta: -3.4 MB). Peak memory consumption was 71.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 11634.64 ms. Allocated memory was 203.4 MB in the beginning and 299.9 MB in the end (delta: 96.5 MB). Free memory was 79.6 MB in the beginning and 99.5 MB in the end (delta: -19.9 MB). Peak memory consumption was 77.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 34]: Loop Invariant Derived loop invariant: (((((this_m_delta == 1 && 4 <= q) && this_m_conn_data_listener == 0) && this_m_conn == 1) || (((this_m_delta == 1 && q == 3) && this_m_conn == 1) && this_m_conn_data_listener == 1)) || (this_m_delta == 1 && q == 0)) || (((this_m_delta == 1 && this_m_conn == 0) && this_m_conn_data_listener == 0) && q == 2) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((this_m_delta == 1 && 4 <= q) && this_m_conn_data_listener == 0) && this_m_conn == 1) || (((this_m_delta == 1 && q == 0) && this_m_conn == 0) && this_m_conn_data_listener == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.9s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3867 SDtfs, 5544 SDslu, 73 SDs, 0 SdLazy, 2298 SolverSat, 407 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=423occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 39 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 18 PreInvPairs, 24 NumberOfFragments, 137 HoareAnnotationTreeSize, 18 FomulaSimplifications, 372 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 408 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 324 NumberOfCodeBlocks, 324 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 313 ConstructedInterpolants, 0 QuantifiedInterpolants, 32674 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 47/47 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...