/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/eca-rers2012/Problem02_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:34:45,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:34:45,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:34:45,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 18:34:45,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:34:45,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:34:45,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:34:45,632 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 [2020-10-23 18:34:45,691 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:34:45,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:34:45,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:34:45,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:34:45,697 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:34:45,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:34:45,697 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:34:45,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:34:45,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:34:45,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:34:45,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:34:45,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:34:45,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:34:45,701 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:34:45,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:34:45,701 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:34:45,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:34:45,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:34:45,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:34:45,702 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:34:45,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:34:45,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:34:45,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:34:45,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:34:45,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:34:45,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:34:45,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:34:45,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:34:45,704 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:34:45,704 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:34:46,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:34:46,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:34:46,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:34:46,189 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:34:46,192 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:34:46,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2020-10-23 18:34:46,297 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b12f4a32/1628467cadca4b2194d3c33011c9ee90/FLAG05572d3d1 [2020-10-23 18:34:47,199 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:34:47,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2020-10-23 18:34:47,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b12f4a32/1628467cadca4b2194d3c33011c9ee90/FLAG05572d3d1 [2020-10-23 18:34:47,396 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b12f4a32/1628467cadca4b2194d3c33011c9ee90 [2020-10-23 18:34:47,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:34:47,414 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:34:47,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:34:47,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:34:47,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:34:47,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:34:47" (1/1) ... [2020-10-23 18:34:47,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d5bcf8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:47, skipping insertion in model container [2020-10-23 18:34:47,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:34:47" (1/1) ... [2020-10-23 18:34:47,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:34:47,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:34:48,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:34:48,060 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:34:48,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:34:48,235 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:34:48,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:48 WrapperNode [2020-10-23 18:34:48,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:34:48,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:34:48,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:34:48,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:34:48,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:48" (1/1) ... [2020-10-23 18:34:48,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:48" (1/1) ... [2020-10-23 18:34:48,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:48" (1/1) ... [2020-10-23 18:34:48,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:48" (1/1) ... [2020-10-23 18:34:48,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:48" (1/1) ... [2020-10-23 18:34:48,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:48" (1/1) ... [2020-10-23 18:34:48,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:48" (1/1) ... [2020-10-23 18:34:48,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:34:48,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:34:48,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:34:48,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:34:48,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:48" (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 [2020-10-23 18:34:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:34:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:34:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:34:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:34:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:34:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:34:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:34:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:34:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:34:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:34:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:34:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:34:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:34:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:34:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:34:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:34:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:34:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:34:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:34:49,765 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:34:49,766 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:34:49,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:34:49 BoogieIcfgContainer [2020-10-23 18:34:49,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:34:49,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:34:49,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:34:49,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:34:49,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:34:47" (1/3) ... [2020-10-23 18:34:49,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6611c73f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:34:49, skipping insertion in model container [2020-10-23 18:34:49,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:48" (2/3) ... [2020-10-23 18:34:49,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6611c73f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:34:49, skipping insertion in model container [2020-10-23 18:34:49,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:34:49" (3/3) ... [2020-10-23 18:34:49,779 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label46.c [2020-10-23 18:34:49,792 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:34:49,799 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:34:49,814 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:34:49,844 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:34:49,844 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:34:49,845 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:34:49,845 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:34:49,845 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:34:49,845 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:34:49,845 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:34:49,845 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:34:49,871 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-23 18:34:49,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-23 18:34:49,885 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:49,886 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:34:49,887 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:49,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:49,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1481586099, now seen corresponding path program 1 times [2020-10-23 18:34:49,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:49,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765156091] [2020-10-23 18:34:49,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:50,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:50,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:34:50,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765156091] [2020-10-23 18:34:50,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:34:50,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 18:34:50,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914742688] [2020-10-23 18:34:50,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:34:50,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:50,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:34:50,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:34:50,620 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 5 states. [2020-10-23 18:34:53,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:53,954 INFO L93 Difference]: Finished difference Result 790 states and 1386 transitions. [2020-10-23 18:34:53,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 18:34:53,963 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2020-10-23 18:34:53,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:53,992 INFO L225 Difference]: With dead ends: 790 [2020-10-23 18:34:53,993 INFO L226 Difference]: Without dead ends: 482 [2020-10-23 18:34:54,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:34:54,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2020-10-23 18:34:54,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 473. [2020-10-23 18:34:54,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-10-23 18:34:54,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 644 transitions. [2020-10-23 18:34:54,110 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 644 transitions. Word has length 119 [2020-10-23 18:34:54,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:54,112 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 644 transitions. [2020-10-23 18:34:54,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:34:54,112 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 644 transitions. [2020-10-23 18:34:54,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-23 18:34:54,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:54,121 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:34:54,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:34:54,122 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:54,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:54,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1244410702, now seen corresponding path program 1 times [2020-10-23 18:34:54,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:54,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285650420] [2020-10-23 18:34:54,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:54,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:54,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:54,428 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:34:54,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285650420] [2020-10-23 18:34:54,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300699589] [2020-10-23 18:34:54,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:34:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:54,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-23 18:34:54,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:34:54,862 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 18:34:54,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:34:54,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-10-23 18:34:54,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982804514] [2020-10-23 18:34:54,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:34:54,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:54,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:34:54,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:34:54,875 INFO L87 Difference]: Start difference. First operand 473 states and 644 transitions. Second operand 7 states. [2020-10-23 18:34:57,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:57,301 INFO L93 Difference]: Finished difference Result 1856 states and 2622 transitions. [2020-10-23 18:34:57,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 18:34:57,303 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 128 [2020-10-23 18:34:57,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:57,320 INFO L225 Difference]: With dead ends: 1856 [2020-10-23 18:34:57,321 INFO L226 Difference]: Without dead ends: 1389 [2020-10-23 18:34:57,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-23 18:34:57,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states. [2020-10-23 18:34:57,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 1373. [2020-10-23 18:34:57,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1373 states. [2020-10-23 18:34:57,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1373 states and 1837 transitions. [2020-10-23 18:34:57,478 INFO L78 Accepts]: Start accepts. Automaton has 1373 states and 1837 transitions. Word has length 128 [2020-10-23 18:34:57,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:57,480 INFO L481 AbstractCegarLoop]: Abstraction has 1373 states and 1837 transitions. [2020-10-23 18:34:57,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:34:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1837 transitions. [2020-10-23 18:34:57,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-23 18:34:57,502 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:57,503 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:34:57,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-10-23 18:34:57,706 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:57,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:57,708 INFO L82 PathProgramCache]: Analyzing trace with hash 153346781, now seen corresponding path program 1 times [2020-10-23 18:34:57,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:57,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965927226] [2020-10-23 18:34:57,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:57,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:58,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:58,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-23 18:34:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:58,131 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:34:58,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965927226] [2020-10-23 18:34:58,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411237913] [2020-10-23 18:34:58,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:34:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:58,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:34:58,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:34:58,371 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:34:58,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:34:58,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-10-23 18:34:58,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604892225] [2020-10-23 18:34:58,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:34:58,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:58,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:34:58,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:34:58,379 INFO L87 Difference]: Start difference. First operand 1373 states and 1837 transitions. Second operand 10 states. [2020-10-23 18:35:00,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:00,348 INFO L93 Difference]: Finished difference Result 3240 states and 4497 transitions. [2020-10-23 18:35:00,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:35:00,349 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2020-10-23 18:35:00,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:00,369 INFO L225 Difference]: With dead ends: 3240 [2020-10-23 18:35:00,369 INFO L226 Difference]: Without dead ends: 1873 [2020-10-23 18:35:00,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:35:00,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1873 states. [2020-10-23 18:35:00,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1873 to 1835. [2020-10-23 18:35:00,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1835 states. [2020-10-23 18:35:00,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2474 transitions. [2020-10-23 18:35:00,478 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2474 transitions. Word has length 150 [2020-10-23 18:35:00,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:00,480 INFO L481 AbstractCegarLoop]: Abstraction has 1835 states and 2474 transitions. [2020-10-23 18:35:00,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:35:00,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2474 transitions. [2020-10-23 18:35:00,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-23 18:35:00,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:00,488 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:00,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:00,702 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:00,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:00,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1923755647, now seen corresponding path program 1 times [2020-10-23 18:35:00,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:00,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28135817] [2020-10-23 18:35:00,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:00,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:00,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:01,007 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:35:01,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28135817] [2020-10-23 18:35:01,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:35:01,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:35:01,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064273409] [2020-10-23 18:35:01,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:35:01,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:01,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:35:01,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:35:01,013 INFO L87 Difference]: Start difference. First operand 1835 states and 2474 transitions. Second operand 7 states. [2020-10-23 18:35:02,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:02,878 INFO L93 Difference]: Finished difference Result 5221 states and 7475 transitions. [2020-10-23 18:35:02,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:35:02,878 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 150 [2020-10-23 18:35:02,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:02,904 INFO L225 Difference]: With dead ends: 5221 [2020-10-23 18:35:02,905 INFO L226 Difference]: Without dead ends: 3392 [2020-10-23 18:35:02,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:35:02,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3392 states. [2020-10-23 18:35:03,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3392 to 3334. [2020-10-23 18:35:03,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3334 states. [2020-10-23 18:35:03,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3334 states to 3334 states and 4334 transitions. [2020-10-23 18:35:03,058 INFO L78 Accepts]: Start accepts. Automaton has 3334 states and 4334 transitions. Word has length 150 [2020-10-23 18:35:03,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:03,058 INFO L481 AbstractCegarLoop]: Abstraction has 3334 states and 4334 transitions. [2020-10-23 18:35:03,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:35:03,059 INFO L276 IsEmpty]: Start isEmpty. Operand 3334 states and 4334 transitions. [2020-10-23 18:35:03,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-23 18:35:03,070 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:03,070 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:03,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 18:35:03,071 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:03,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:03,071 INFO L82 PathProgramCache]: Analyzing trace with hash 204700837, now seen corresponding path program 1 times [2020-10-23 18:35:03,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:03,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359918558] [2020-10-23 18:35:03,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:03,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:03,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:03,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:35:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:03,563 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-23 18:35:03,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359918558] [2020-10-23 18:35:03,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810784355] [2020-10-23 18:35:03,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:03,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:35:03,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:35:03,794 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-23 18:35:03,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:35:03,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:35:03,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861342586] [2020-10-23 18:35:03,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:35:03,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:03,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:35:03,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:35:03,797 INFO L87 Difference]: Start difference. First operand 3334 states and 4334 transitions. Second operand 3 states. [2020-10-23 18:35:04,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:04,439 INFO L93 Difference]: Finished difference Result 6662 states and 8662 transitions. [2020-10-23 18:35:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:35:04,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2020-10-23 18:35:04,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:04,472 INFO L225 Difference]: With dead ends: 6662 [2020-10-23 18:35:04,473 INFO L226 Difference]: Without dead ends: 3334 [2020-10-23 18:35:04,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:35:04,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3334 states. [2020-10-23 18:35:04,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3334 to 2752. [2020-10-23 18:35:04,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2752 states. [2020-10-23 18:35:04,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2752 states and 3306 transitions. [2020-10-23 18:35:04,677 INFO L78 Accepts]: Start accepts. Automaton has 2752 states and 3306 transitions. Word has length 154 [2020-10-23 18:35:04,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:04,678 INFO L481 AbstractCegarLoop]: Abstraction has 2752 states and 3306 transitions. [2020-10-23 18:35:04,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:35:04,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 3306 transitions. [2020-10-23 18:35:04,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-23 18:35:04,695 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:04,696 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:04,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:04,910 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:04,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:04,913 INFO L82 PathProgramCache]: Analyzing trace with hash -983065704, now seen corresponding path program 1 times [2020-10-23 18:35:04,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:04,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323474509] [2020-10-23 18:35:04,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:05,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:05,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:05,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:35:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:05,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-23 18:35:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:05,247 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 81 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-23 18:35:05,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323474509] [2020-10-23 18:35:05,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073889254] [2020-10-23 18:35:05,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:05,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:35:05,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:35:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-23 18:35:05,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:35:05,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-10-23 18:35:05,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11850814] [2020-10-23 18:35:05,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 18:35:05,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:05,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 18:35:05,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-23 18:35:05,511 INFO L87 Difference]: Start difference. First operand 2752 states and 3306 transitions. Second operand 11 states. [2020-10-23 18:35:05,902 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-10-23 18:35:06,986 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2020-10-23 18:35:09,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:09,575 INFO L93 Difference]: Finished difference Result 6633 states and 8010 transitions. [2020-10-23 18:35:09,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-23 18:35:09,576 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 178 [2020-10-23 18:35:09,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:09,594 INFO L225 Difference]: With dead ends: 6633 [2020-10-23 18:35:09,594 INFO L226 Difference]: Without dead ends: 3296 [2020-10-23 18:35:09,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2020-10-23 18:35:09,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2020-10-23 18:35:09,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 2708. [2020-10-23 18:35:09,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2708 states. [2020-10-23 18:35:09,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2708 states and 3082 transitions. [2020-10-23 18:35:09,702 INFO L78 Accepts]: Start accepts. Automaton has 2708 states and 3082 transitions. Word has length 178 [2020-10-23 18:35:09,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:09,703 INFO L481 AbstractCegarLoop]: Abstraction has 2708 states and 3082 transitions. [2020-10-23 18:35:09,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 18:35:09,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 3082 transitions. [2020-10-23 18:35:09,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-23 18:35:09,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:09,714 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:09,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:09,929 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:09,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:09,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1477005443, now seen corresponding path program 1 times [2020-10-23 18:35:09,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:09,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031746821] [2020-10-23 18:35:09,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:10,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:10,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:10,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:35:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:10,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-23 18:35:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:10,128 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-23 18:35:10,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031746821] [2020-10-23 18:35:10,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731190898] [2020-10-23 18:35:10,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:10,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-23 18:35:10,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:35:10,331 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-23 18:35:10,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:35:10,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-10-23 18:35:10,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870345759] [2020-10-23 18:35:10,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:35:10,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:10,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:35:10,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:35:10,345 INFO L87 Difference]: Start difference. First operand 2708 states and 3082 transitions. Second operand 8 states. [2020-10-23 18:35:12,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:12,453 INFO L93 Difference]: Finished difference Result 7061 states and 8038 transitions. [2020-10-23 18:35:12,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 18:35:12,454 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2020-10-23 18:35:12,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:12,455 INFO L225 Difference]: With dead ends: 7061 [2020-10-23 18:35:12,455 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:35:12,473 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:35:12,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:35:12,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:35:12,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:35:12,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:35:12,474 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2020-10-23 18:35:12,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:12,474 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:35:12,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:35:12,474 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:35:12,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:35:12,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-10-23 18:35:12,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:35:13,618 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 160 [2020-10-23 18:35:13,957 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 160 [2020-10-23 18:35:15,693 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 188 DAG size of output: 62 [2020-10-23 18:35:16,227 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 43 [2020-10-23 18:35:17,092 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 55 [2020-10-23 18:35:17,927 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 55 [2020-10-23 18:35:17,932 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:35:17,933 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:35:17,933 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:35:17,933 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:35:17,933 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:35:17,934 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-23 18:35:17,934 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:35:17,934 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-23 18:35:17,934 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-23 18:35:17,934 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-23 18:35:17,934 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-23 18:35:17,934 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-23 18:35:17,935 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-23 18:35:17,935 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-23 18:35:17,935 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:35:17,935 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-23 18:35:17,935 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:35:17,935 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-23 18:35:17,935 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:35:17,936 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:35:17,936 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-23 18:35:17,936 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-23 18:35:17,936 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,936 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,936 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,936 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,936 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,936 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-23 18:35:17,937 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-23 18:35:17,937 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-23 18:35:17,937 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-23 18:35:17,937 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-23 18:35:17,937 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-23 18:35:17,937 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-23 18:35:17,937 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-23 18:35:17,937 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-23 18:35:17,937 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-23 18:35:17,938 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:35:17,938 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:35:17,938 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-23 18:35:17,938 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,938 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,938 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,938 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,938 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-23 18:35:17,938 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,939 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-23 18:35:17,939 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-23 18:35:17,939 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-23 18:35:17,939 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-23 18:35:17,939 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-23 18:35:17,939 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-23 18:35:17,939 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-23 18:35:17,939 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:35:17,939 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:35:17,939 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-23 18:35:17,940 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-23 18:35:17,940 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-23 18:35:17,940 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:35:17,940 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:35:17,940 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-23 18:35:17,940 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,940 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,940 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,940 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,940 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,941 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:35:17,941 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-23 18:35:17,941 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:35:17,941 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-23 18:35:17,941 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-23 18:35:17,941 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-23 18:35:17,941 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-23 18:35:17,941 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-23 18:35:17,941 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-23 18:35:17,941 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-23 18:35:17,942 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-23 18:35:17,942 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,942 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,942 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,942 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,942 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,942 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-23 18:35:17,942 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-23 18:35:17,942 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-23 18:35:17,942 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-23 18:35:17,943 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-23 18:35:17,943 INFO L270 CegarLoopResult]: At program point L510(line 510) the Hoare annotation is: (let ((.cse0 (not (= |old(~a25~0)| 1))) (.cse1 (not (= |old(~a19~0)| 1))) (.cse3 (= |old(~a11~0)| 1)) (.cse8 (= 10 |old(~a28~0)|)) (.cse2 (not (= 8 |old(~a17~0)|))) (.cse9 (not (<= |old(~a11~0)| 0))) (.cse4 (not (<= |old(~a28~0)| 10))) (.cse5 (not (<= |old(~a17~0)| 7))) (.cse7 (not (<= |old(~a19~0)| 0))) (.cse6 (= |old(~a17~0)| |old(~a28~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5) (or .cse0 .cse4 .cse1 .cse2 .cse6) (or .cse0 .cse4 .cse2 .cse7) (or .cse4 .cse1 .cse8 .cse2 .cse6) (or .cse4 .cse8 .cse2 .cse7) (or (not (<= |old(~a28~0)| 7)) .cse1 .cse9) (or .cse4 .cse1 .cse2 .cse3 .cse6) (or .cse8 .cse2 .cse7 .cse9) (or .cse4 .cse5 .cse7 .cse6))) [2020-10-23 18:35:17,943 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-23 18:35:17,943 INFO L274 CegarLoopResult]: For program point L510-1(line 510) no Hoare annotation was computed. [2020-10-23 18:35:17,943 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-23 18:35:17,943 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-23 18:35:17,944 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-23 18:35:17,944 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-23 18:35:17,944 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-23 18:35:17,944 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-23 18:35:17,944 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,944 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,944 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,944 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,944 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,945 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-23 18:35:17,945 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-23 18:35:17,946 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-23 18:35:17,946 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-23 18:35:17,946 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-23 18:35:17,946 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-23 18:35:17,946 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-23 18:35:17,947 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-23 18:35:17,947 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-23 18:35:17,947 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,947 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,947 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-23 18:35:17,947 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-23 18:35:17,947 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-23 18:35:17,947 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-23 18:35:17,947 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:35:17,948 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-23 18:35:17,948 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:35:17,948 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,948 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,948 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,948 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,948 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-23 18:35:17,948 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,948 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:35:17,948 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,948 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:35:17,949 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:35:17,949 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:35:17,949 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-23 18:35:17,949 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-23 18:35:17,949 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-23 18:35:17,949 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-23 18:35:17,949 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-23 18:35:17,949 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-23 18:35:17,949 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-23 18:35:17,949 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-23 18:35:17,950 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-23 18:35:17,950 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-23 18:35:17,950 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-23 18:35:17,950 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,950 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,950 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,950 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,950 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,950 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,950 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-23 18:35:17,951 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-23 18:35:17,951 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-23 18:35:17,951 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-23 18:35:17,951 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-23 18:35:17,951 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-23 18:35:17,951 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-23 18:35:17,951 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-23 18:35:17,951 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-23 18:35:17,951 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-23 18:35:17,951 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-23 18:35:17,952 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,952 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,952 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,952 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,952 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,952 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,952 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-23 18:35:17,952 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-23 18:35:17,952 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-23 18:35:17,952 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-23 18:35:17,952 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-23 18:35:17,953 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-23 18:35:17,953 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-23 18:35:17,953 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse19 (= ~a25~0 |old(~a25~0)|)) (.cse6 (= ~a19~0 |old(~a19~0)|)) (.cse2 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse18 (= ~a19~0 1)) (.cse5 (= ~a25~0 1))) (let ((.cse10 (= |old(~a11~0)| 1)) (.cse0 (not (= |old(~a25~0)| 1))) (.cse11 (and .cse2 .cse3 .cse4 .cse18 .cse5)) (.cse17 (not (<= |old(~a11~0)| 0))) (.cse15 (and .cse2 .cse3 .cse4 .cse19 .cse6)) (.cse14 (not (<= |old(~a17~0)| 7))) (.cse8 (not (<= |old(~a19~0)| 0))) (.cse1 (not (<= |old(~a28~0)| 10))) (.cse9 (not (= |old(~a19~0)| 1))) (.cse16 (= 10 |old(~a28~0)|)) (.cse7 (not (= 8 |old(~a17~0)|))) (.cse12 (and .cse2 .cse3 .cse4 .cse18 .cse19)) (.cse13 (= |old(~a17~0)| |old(~a28~0)|))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8) (or .cse0 .cse9 .cse7 .cse10 .cse11) (or .cse1 .cse9 .cse7 .cse10 .cse12 .cse13) (or .cse0 .cse1 .cse9 .cse7 .cse13 .cse11) (or .cse1 .cse9 .cse14 .cse12) (or .cse1 .cse15 .cse16 .cse7 .cse8) (or .cse15 .cse16 .cse7 .cse8 .cse17) (or (not (<= |old(~a28~0)| 7)) .cse9 .cse12 .cse17) (or .cse1 .cse15 .cse14 .cse8 .cse13) (or .cse1 .cse9 .cse16 .cse7 .cse12 .cse13)))) [2020-10-23 18:35:17,953 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-23 18:35:17,953 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-23 18:35:17,953 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-23 18:35:17,954 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-23 18:35:17,954 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-23 18:35:17,954 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-23 18:35:17,954 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-23 18:35:17,954 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,954 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,954 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,954 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,954 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,954 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,954 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-23 18:35:17,955 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-23 18:35:17,955 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-23 18:35:17,955 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-23 18:35:17,955 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-23 18:35:17,955 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-23 18:35:17,955 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-23 18:35:17,955 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-23 18:35:17,955 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-23 18:35:17,955 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-23 18:35:17,956 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-23 18:35:17,956 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-23 18:35:17,956 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-23 18:35:17,956 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,956 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,956 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,957 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,957 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,957 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,957 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-23 18:35:17,957 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-23 18:35:17,957 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-23 18:35:17,957 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-23 18:35:17,957 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-23 18:35:17,957 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-23 18:35:17,958 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-23 18:35:17,958 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-23 18:35:17,958 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-23 18:35:17,958 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-23 18:35:17,958 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-23 18:35:17,958 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:35:17,958 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:35:17,958 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-23 18:35:17,958 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-23 18:35:17,958 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-23 18:35:17,959 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,959 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,959 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,959 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,959 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:17,959 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-23 18:35:17,959 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-23 18:35:17,959 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-23 18:35:17,959 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-23 18:35:17,960 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:35:17,960 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a28~0 ~a17~0)) (<= ~a11~0 0) (= ~a19~0 1) (<= ~a28~0 7)) [2020-10-23 18:35:17,960 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:35:17,960 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:35:17,960 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse7 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 7)) (.cse8 (= ~a25~0 1)) (.cse4 (not (= ~a28~0 ~a17~0))) (.cse0 (= ~a19~0 1)) (.cse5 (not (= |old(~a25~0)| 1))) (.cse10 (<= ~a19~0 0)) (.cse6 (<= ~a17~0 |old(~a17~0)|)) (.cse11 (not (= ~a28~0 10))) (.cse9 (<= 8 ~a17~0)) (.cse1 (<= ~a28~0 10)) (.cse3 (= 8 |old(~a17~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~a19~0)| 1)) (and .cse4 .cse5 .cse0 .cse6 .cse7 .cse1 .cse3) (and .cse4 .cse5 .cse0 .cse6 .cse8 .cse1 .cse3) (and .cse5 .cse0 .cse6 .cse9 .cse8 .cse7 .cse3) (and .cse5 (<= ~a11~0 0) .cse10 .cse11 .cse6 .cse9 .cse3) (and .cse4 .cse10 .cse1 .cse2 .cse3) (not (<= |old(~a28~0)| 7)) (and .cse5 .cse10 .cse6 .cse9 .cse8 .cse1 .cse3) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (and .cse4 .cse5 .cse0 .cse6 .cse11 .cse1 .cse3) (and .cse5 .cse10 .cse6 .cse11 .cse9 .cse1 .cse3) (not (<= |old(~a11~0)| 0)) (= |old(~a17~0)| |old(~a28~0)|))) [2020-10-23 18:35:17,960 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a11~0)| 0)) (= |old(~a17~0)| |old(~a28~0)|)) [2020-10-23 18:35:17,961 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:35:17,961 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:35:17,961 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse7 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 7)) (.cse8 (= ~a25~0 1)) (.cse4 (not (= ~a28~0 ~a17~0))) (.cse0 (= ~a19~0 1)) (.cse5 (not (= |old(~a25~0)| 1))) (.cse10 (<= ~a19~0 0)) (.cse6 (<= ~a17~0 |old(~a17~0)|)) (.cse11 (not (= ~a28~0 10))) (.cse9 (<= 8 ~a17~0)) (.cse1 (<= ~a28~0 10)) (.cse3 (= 8 |old(~a17~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~a19~0)| 1)) (and .cse4 .cse5 .cse0 .cse6 .cse7 .cse1 .cse3) (and .cse4 .cse5 .cse0 .cse6 .cse8 .cse1 .cse3) (and .cse5 .cse0 .cse6 .cse9 .cse8 .cse7 .cse3) (and .cse5 (<= ~a11~0 0) .cse10 .cse11 .cse6 .cse9 .cse3) (and .cse4 .cse10 .cse1 .cse2 .cse3) (not (<= |old(~a28~0)| 7)) (and .cse5 .cse10 .cse6 .cse9 .cse8 .cse1 .cse3) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (and .cse4 .cse5 .cse0 .cse6 .cse11 .cse1 .cse3) (and .cse5 .cse10 .cse6 .cse11 .cse9 .cse1 .cse3) (not (<= |old(~a11~0)| 0)) (= |old(~a17~0)| |old(~a28~0)|))) [2020-10-23 18:35:17,961 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-23 18:35:17,961 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-23 18:35:17,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:35:17 BoogieIcfgContainer [2020-10-23 18:35:17,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:35:17,995 INFO L168 Benchmark]: Toolchain (without parser) took 30587.22 ms. Allocated memory was 162.5 MB in the beginning and 543.2 MB in the end (delta: 380.6 MB). Free memory was 135.7 MB in the beginning and 307.0 MB in the end (delta: -171.2 MB). Peak memory consumption was 322.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:35:17,995 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 162.5 MB. Free memory is still 135.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:35:17,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 819.85 ms. Allocated memory is still 162.5 MB. Free memory was 135.1 MB in the beginning and 142.9 MB in the end (delta: -7.8 MB). Peak memory consumption was 30.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:35:17,997 INFO L168 Benchmark]: Boogie Preprocessor took 187.84 ms. Allocated memory is still 162.5 MB. Free memory was 142.9 MB in the beginning and 138.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:35:17,997 INFO L168 Benchmark]: RCFGBuilder took 1337.83 ms. Allocated memory is still 162.5 MB. Free memory was 137.6 MB in the beginning and 125.2 MB in the end (delta: 12.4 MB). Peak memory consumption was 91.1 MB. Max. memory is 8.0 GB. [2020-10-23 18:35:17,998 INFO L168 Benchmark]: TraceAbstraction took 28222.59 ms. Allocated memory was 162.5 MB in the beginning and 543.2 MB in the end (delta: 380.6 MB). Free memory was 124.7 MB in the beginning and 307.0 MB in the end (delta: -182.3 MB). Peak memory consumption was 310.0 MB. Max. memory is 8.0 GB. [2020-10-23 18:35:18,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 162.5 MB. Free memory is still 135.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 819.85 ms. Allocated memory is still 162.5 MB. Free memory was 135.1 MB in the beginning and 142.9 MB in the end (delta: -7.8 MB). Peak memory consumption was 30.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 187.84 ms. Allocated memory is still 162.5 MB. Free memory was 142.9 MB in the beginning and 138.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1337.83 ms. Allocated memory is still 162.5 MB. Free memory was 137.6 MB in the beginning and 125.2 MB in the end (delta: 12.4 MB). Peak memory consumption was 91.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 28222.59 ms. Allocated memory was 162.5 MB in the beginning and 543.2 MB in the end (delta: 380.6 MB). Free memory was 124.7 MB in the beginning and 307.0 MB in the end (delta: -182.3 MB). Peak memory consumption was 310.0 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: 608]: Loop Invariant Derived loop invariant: (((((((((((((((a19 == 1 && a28 <= 10) && a17 <= 7) && 8 == \old(a17)) || !(\old(a19) == 1)) || ((((((!(a28 == a17) && !(\old(a25) == 1)) && a19 == 1) && a17 <= \old(a17)) && !(a11 == 1)) && a28 <= 10) && 8 == \old(a17))) || ((((((!(a28 == a17) && !(\old(a25) == 1)) && a19 == 1) && a17 <= \old(a17)) && a25 == 1) && a28 <= 10) && 8 == \old(a17))) || ((((((!(\old(a25) == 1) && a19 == 1) && a17 <= \old(a17)) && 8 <= a17) && a25 == 1) && !(a11 == 1)) && 8 == \old(a17))) || ((((((!(\old(a25) == 1) && a11 <= 0) && a19 <= 0) && !(a28 == 10)) && a17 <= \old(a17)) && 8 <= a17) && 8 == \old(a17))) || ((((!(a28 == a17) && a19 <= 0) && a28 <= 10) && a17 <= 7) && 8 == \old(a17))) || !(\old(a28) <= 7)) || ((((((!(\old(a25) == 1) && a19 <= 0) && a17 <= \old(a17)) && 8 <= a17) && a25 == 1) && a28 <= 10) && 8 == \old(a17))) || ((((a28 == \old(a28) && a17 == \old(a17)) && a11 == \old(a11)) && a25 == \old(a25)) && a19 == \old(a19))) || ((((((!(a28 == a17) && !(\old(a25) == 1)) && a19 == 1) && a17 <= \old(a17)) && !(a28 == 10)) && a28 <= 10) && 8 == \old(a17))) || ((((((!(\old(a25) == 1) && a19 <= 0) && a17 <= \old(a17)) && !(a28 == 10)) && 8 <= a17) && a28 <= 10) && 8 == \old(a17))) || !(\old(a11) <= 0)) || \old(a17) == \old(a28) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.8s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 16.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 473 SDtfs, 5835 SDslu, 349 SDs, 0 SdLazy, 7260 SolverSat, 1810 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 919 GetRequests, 847 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3334occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 7 MinimizatonAttempts, 1291 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 245 PreInvPairs, 311 NumberOfFragments, 1084 HoareAnnotationTreeSize, 245 FomulaSimplifications, 42441 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 8866 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1871 NumberOfCodeBlocks, 1871 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1859 ConstructedInterpolants, 0 QuantifiedInterpolants, 913886 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2458 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 567/622 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...