/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/Problem10_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:39:35,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:39:35,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:39:35,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-06 22:39:35,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 22:39:35,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 22:39:35,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 22:39:35,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 22:39:35,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 22:39:35,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 22:39:35,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 22:39:35,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 22:39:35,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 22:39:35,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 22:39:35,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 22:39:35,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 22:39:35,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-06 22:39:35,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:39:35,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:39:35,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:39:35,709 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 22:39:35,737 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:39:35,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:39:35,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:39:35,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:39:35,740 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:39:35,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:39:35,741 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:39:35,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:39:35,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:39:35,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:39:35,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:39:35,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:39:35,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:39:35,742 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:39:35,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:39:35,743 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:39:35,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:39:35,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:39:35,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:39:35,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:39:35,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:39:35,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:39:35,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:39:35,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:39:35,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:39:35,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:39:35,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:39:35,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:39:35,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:39:35,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:39:36,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:39:36,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:39:36,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:39:36,193 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:39:36,194 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:39:36,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label36.c [2020-11-06 22:39:36,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e64e6fc19/cc55bf3d325246db878c52791b46a0c8/FLAG54819ef48 [2020-11-06 22:39:37,011 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:39:37,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label36.c [2020-11-06 22:39:37,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e64e6fc19/cc55bf3d325246db878c52791b46a0c8/FLAG54819ef48 [2020-11-06 22:39:37,264 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e64e6fc19/cc55bf3d325246db878c52791b46a0c8 [2020-11-06 22:39:37,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:39:37,274 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:39:37,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:39:37,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:39:37,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:39:37,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:39:37" (1/1) ... [2020-11-06 22:39:37,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c0eefda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:37, skipping insertion in model container [2020-11-06 22:39:37,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:39:37" (1/1) ... [2020-11-06 22:39:37,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:39:37,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:39:37,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:39:37,785 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:39:37,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:39:37,965 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:39:37,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:37 WrapperNode [2020-11-06 22:39:37,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:39:37,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:39:37,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:39:37,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:39:37,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:37" (1/1) ... [2020-11-06 22:39:37,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:37" (1/1) ... [2020-11-06 22:39:38,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:37" (1/1) ... [2020-11-06 22:39:38,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:37" (1/1) ... [2020-11-06 22:39:38,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:37" (1/1) ... [2020-11-06 22:39:38,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:37" (1/1) ... [2020-11-06 22:39:38,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:37" (1/1) ... [2020-11-06 22:39:38,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:39:38,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:39:38,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:39:38,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:39:38,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:39:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:39:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:39:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:39:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:39:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:39:38,252 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:39:38,252 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:39:38,252 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:39:38,253 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:39:38,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:39:38,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:39:38,253 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:39:38,253 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:39:38,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:39:38,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:39:38,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:39:38,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:39:38,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:39:38,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:39:39,883 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:39:39,883 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:39:39,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:39:39 BoogieIcfgContainer [2020-11-06 22:39:39,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:39:39,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:39:39,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:39:39,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:39:39,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:39:37" (1/3) ... [2020-11-06 22:39:39,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c962043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:39:39, skipping insertion in model container [2020-11-06 22:39:39,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:37" (2/3) ... [2020-11-06 22:39:39,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c962043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:39:39, skipping insertion in model container [2020-11-06 22:39:39,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:39:39" (3/3) ... [2020-11-06 22:39:39,897 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label36.c [2020-11-06 22:39:39,915 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:39:39,919 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:39:39,934 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:39:39,966 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:39:39,966 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:39:39,966 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:39:39,967 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:39:39,967 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:39:39,967 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:39:39,967 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:39:39,967 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:39:39,994 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-11-06 22:39:40,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-06 22:39:40,004 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:40,005 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] [2020-11-06 22:39:40,005 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:40,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:40,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1396504636, now seen corresponding path program 1 times [2020-11-06 22:39:40,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:40,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059479778] [2020-11-06 22:39:40,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:40,458 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-06 22:39:40,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:40,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:40,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059479778] [2020-11-06 22:39:40,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:39:40,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:39:40,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838064261] [2020-11-06 22:39:40,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:39:40,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:40,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:39:40,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:39:40,532 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-11-06 22:39:40,692 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-06 22:39:43,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:43,448 INFO L93 Difference]: Finished difference Result 586 states and 1012 transitions. [2020-11-06 22:39:43,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:39:43,453 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 46 [2020-11-06 22:39:43,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:43,482 INFO L225 Difference]: With dead ends: 586 [2020-11-06 22:39:43,482 INFO L226 Difference]: Without dead ends: 303 [2020-11-06 22:39:43,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:39:43,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-11-06 22:39:43,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-11-06 22:39:43,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-11-06 22:39:43,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 396 transitions. [2020-11-06 22:39:43,582 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 396 transitions. Word has length 46 [2020-11-06 22:39:43,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:43,583 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 396 transitions. [2020-11-06 22:39:43,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:39:43,584 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 396 transitions. [2020-11-06 22:39:43,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-11-06 22:39:43,592 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:43,593 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:43,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:39:43,593 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:43,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:43,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1950125352, now seen corresponding path program 1 times [2020-11-06 22:39:43,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:43,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623197806] [2020-11-06 22:39:43,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:43,916 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-06 22:39:43,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:43,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:44,032 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:44,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623197806] [2020-11-06 22:39:44,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449038267] [2020-11-06 22:39:44,033 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 [2020-11-06 22:39:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:44,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:39:44,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:44,359 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:44,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:39:44,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-11-06 22:39:44,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732406303] [2020-11-06 22:39:44,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:39:44,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:44,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:39:44,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:39:44,366 INFO L87 Difference]: Start difference. First operand 299 states and 396 transitions. Second operand 3 states. [2020-11-06 22:39:45,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:45,868 INFO L93 Difference]: Finished difference Result 592 states and 795 transitions. [2020-11-06 22:39:45,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:39:45,869 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-11-06 22:39:45,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:45,875 INFO L225 Difference]: With dead ends: 592 [2020-11-06 22:39:45,876 INFO L226 Difference]: Without dead ends: 589 [2020-11-06 22:39:45,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 119 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:39:45,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2020-11-06 22:39:45,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 444. [2020-11-06 22:39:45,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-11-06 22:39:45,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 621 transitions. [2020-11-06 22:39:45,939 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 621 transitions. Word has length 116 [2020-11-06 22:39:45,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:45,940 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 621 transitions. [2020-11-06 22:39:45,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:39:45,940 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 621 transitions. [2020-11-06 22:39:45,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-11-06 22:39:45,951 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:45,951 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:46,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-06 22:39:46,153 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:46,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:46,155 INFO L82 PathProgramCache]: Analyzing trace with hash 894522228, now seen corresponding path program 1 times [2020-11-06 22:39:46,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:46,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403665065] [2020-11-06 22:39:46,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:46,413 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-06 22:39:46,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:46,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:46,656 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:46,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403665065] [2020-11-06 22:39:46,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:39:46,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:39:46,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765903342] [2020-11-06 22:39:46,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:39:46,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:46,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:39:46,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:39:46,660 INFO L87 Difference]: Start difference. First operand 444 states and 621 transitions. Second operand 8 states. [2020-11-06 22:39:46,820 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-06 22:39:49,891 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-06 22:39:49,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:49,969 INFO L93 Difference]: Finished difference Result 1198 states and 1703 transitions. [2020-11-06 22:39:49,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:39:49,970 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 119 [2020-11-06 22:39:49,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:49,977 INFO L225 Difference]: With dead ends: 1198 [2020-11-06 22:39:49,977 INFO L226 Difference]: Without dead ends: 760 [2020-11-06 22:39:49,979 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:39:49,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-11-06 22:39:50,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 742. [2020-11-06 22:39:50,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2020-11-06 22:39:50,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 968 transitions. [2020-11-06 22:39:50,023 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 968 transitions. Word has length 119 [2020-11-06 22:39:50,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:50,023 INFO L481 AbstractCegarLoop]: Abstraction has 742 states and 968 transitions. [2020-11-06 22:39:50,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:39:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 968 transitions. [2020-11-06 22:39:50,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-11-06 22:39:50,026 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:50,026 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:50,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 22:39:50,027 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:50,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:50,027 INFO L82 PathProgramCache]: Analyzing trace with hash 138490984, now seen corresponding path program 1 times [2020-11-06 22:39:50,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:50,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473516962] [2020-11-06 22:39:50,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:50,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:50,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:50,349 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:50,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473516962] [2020-11-06 22:39:50,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843339676] [2020-11-06 22:39:50,350 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 [2020-11-06 22:39:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:50,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:39:50,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:50,637 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:50,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:39:50,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-06 22:39:50,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271602766] [2020-11-06 22:39:50,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:39:50,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:50,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:39:50,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:39:50,642 INFO L87 Difference]: Start difference. First operand 742 states and 968 transitions. Second operand 3 states. [2020-11-06 22:39:51,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:51,943 INFO L93 Difference]: Finished difference Result 1035 states and 1334 transitions. [2020-11-06 22:39:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:39:51,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-11-06 22:39:51,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:51,955 INFO L225 Difference]: With dead ends: 1035 [2020-11-06 22:39:51,955 INFO L226 Difference]: Without dead ends: 1032 [2020-11-06 22:39:51,956 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:39:51,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2020-11-06 22:39:51,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 889. [2020-11-06 22:39:51,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2020-11-06 22:39:51,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1175 transitions. [2020-11-06 22:39:51,994 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1175 transitions. Word has length 125 [2020-11-06 22:39:51,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:51,994 INFO L481 AbstractCegarLoop]: Abstraction has 889 states and 1175 transitions. [2020-11-06 22:39:51,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:39:51,995 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1175 transitions. [2020-11-06 22:39:51,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-11-06 22:39:51,998 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:51,998 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:52,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:52,214 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:52,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:52,215 INFO L82 PathProgramCache]: Analyzing trace with hash 859426420, now seen corresponding path program 1 times [2020-11-06 22:39:52,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:52,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555947266] [2020-11-06 22:39:52,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:52,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:52,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:52,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-06 22:39:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:52,690 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 143 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:39:52,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555947266] [2020-11-06 22:39:52,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350904592] [2020-11-06 22:39:52,691 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 [2020-11-06 22:39:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:52,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:39:52,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:53,046 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:53,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:39:53,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-11-06 22:39:53,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372525681] [2020-11-06 22:39:53,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:39:53,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:53,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:39:53,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:39:53,054 INFO L87 Difference]: Start difference. First operand 889 states and 1175 transitions. Second operand 10 states. [2020-11-06 22:39:53,914 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-11-06 22:39:56,106 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-06 22:39:57,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:57,198 INFO L93 Difference]: Finished difference Result 2545 states and 3523 transitions. [2020-11-06 22:39:57,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-06 22:39:57,200 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 198 [2020-11-06 22:39:57,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:57,212 INFO L225 Difference]: With dead ends: 2545 [2020-11-06 22:39:57,212 INFO L226 Difference]: Without dead ends: 1662 [2020-11-06 22:39:57,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-11-06 22:39:57,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2020-11-06 22:39:57,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1201. [2020-11-06 22:39:57,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1201 states. [2020-11-06 22:39:57,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1555 transitions. [2020-11-06 22:39:57,285 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1555 transitions. Word has length 198 [2020-11-06 22:39:57,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:57,286 INFO L481 AbstractCegarLoop]: Abstraction has 1201 states and 1555 transitions. [2020-11-06 22:39:57,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:39:57,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1555 transitions. [2020-11-06 22:39:57,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-11-06 22:39:57,294 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:57,294 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:57,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:57,508 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:57,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:57,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1978749256, now seen corresponding path program 1 times [2020-11-06 22:39:57,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:57,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548655301] [2020-11-06 22:39:57,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:57,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:57,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:57,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-06 22:39:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:57,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-11-06 22:39:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:58,120 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 185 proven. 71 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-06 22:39:58,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548655301] [2020-11-06 22:39:58,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899892233] [2020-11-06 22:39:58,122 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 [2020-11-06 22:39:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:58,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:39:58,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:58,668 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 285 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-11-06 22:39:58,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:39:58,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-11-06 22:39:58,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886933586] [2020-11-06 22:39:58,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:39:58,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:58,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:39:58,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:39:58,672 INFO L87 Difference]: Start difference. First operand 1201 states and 1555 transitions. Second operand 10 states. [2020-11-06 22:39:59,381 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-06 22:39:59,707 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-06 22:39:59,996 WARN L194 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2020-11-06 22:40:02,482 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-11-06 22:40:05,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:40:05,214 INFO L93 Difference]: Finished difference Result 3461 states and 4610 transitions. [2020-11-06 22:40:05,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-06 22:40:05,215 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 313 [2020-11-06 22:40:05,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:40:05,228 INFO L225 Difference]: With dead ends: 3461 [2020-11-06 22:40:05,229 INFO L226 Difference]: Without dead ends: 2266 [2020-11-06 22:40:05,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2020-11-06 22:40:05,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2266 states. [2020-11-06 22:40:05,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2266 to 1791. [2020-11-06 22:40:05,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1791 states. [2020-11-06 22:40:05,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1791 states and 2197 transitions. [2020-11-06 22:40:05,308 INFO L78 Accepts]: Start accepts. Automaton has 1791 states and 2197 transitions. Word has length 313 [2020-11-06 22:40:05,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:40:05,308 INFO L481 AbstractCegarLoop]: Abstraction has 1791 states and 2197 transitions. [2020-11-06 22:40:05,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:40:05,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2197 transitions. [2020-11-06 22:40:05,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-11-06 22:40:05,317 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:40:05,318 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:40:05,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:40:05,533 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:40:05,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:40:05,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1396624888, now seen corresponding path program 1 times [2020-11-06 22:40:05,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:40:05,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237257970] [2020-11-06 22:40:05,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:40:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:05,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:40:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:05,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:40:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:05,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-11-06 22:40:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:05,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-11-06 22:40:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:06,066 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 187 proven. 71 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-11-06 22:40:06,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237257970] [2020-11-06 22:40:06,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563720195] [2020-11-06 22:40:06,076 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 [2020-11-06 22:40:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:06,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:40:06,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:40:06,504 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 296 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-11-06 22:40:06,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:40:06,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-11-06 22:40:06,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055997609] [2020-11-06 22:40:06,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 22:40:06,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:40:06,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 22:40:06,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:40:06,508 INFO L87 Difference]: Start difference. First operand 1791 states and 2197 transitions. Second operand 11 states. [2020-11-06 22:40:06,683 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-11-06 22:40:07,546 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-11-06 22:40:07,935 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-11-06 22:40:08,997 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-11-06 22:40:12,868 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-11-06 22:40:13,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:40:13,219 INFO L93 Difference]: Finished difference Result 5455 states and 6672 transitions. [2020-11-06 22:40:13,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-06 22:40:13,220 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 322 [2020-11-06 22:40:13,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:40:13,234 INFO L225 Difference]: With dead ends: 5455 [2020-11-06 22:40:13,234 INFO L226 Difference]: Without dead ends: 2500 [2020-11-06 22:40:13,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2020-11-06 22:40:13,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2500 states. [2020-11-06 22:40:13,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2500 to 1777. [2020-11-06 22:40:13,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1777 states. [2020-11-06 22:40:13,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1777 states and 2073 transitions. [2020-11-06 22:40:13,310 INFO L78 Accepts]: Start accepts. Automaton has 1777 states and 2073 transitions. Word has length 322 [2020-11-06 22:40:13,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:40:13,311 INFO L481 AbstractCegarLoop]: Abstraction has 1777 states and 2073 transitions. [2020-11-06 22:40:13,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 22:40:13,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2073 transitions. [2020-11-06 22:40:13,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-11-06 22:40:13,321 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:40:13,321 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-06 22:40:13,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-06 22:40:13,536 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:40:13,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:40:13,537 INFO L82 PathProgramCache]: Analyzing trace with hash -432296112, now seen corresponding path program 1 times [2020-11-06 22:40:13,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:40:13,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51634229] [2020-11-06 22:40:13,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:40:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:13,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:40:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:13,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:40:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:13,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-11-06 22:40:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:13,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-11-06 22:40:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:14,162 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 300 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-11-06 22:40:14,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51634229] [2020-11-06 22:40:14,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575090916] [2020-11-06 22:40:14,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:40:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:14,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:40:14,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:40:14,640 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 302 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-06 22:40:14,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:40:14,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-11-06 22:40:14,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585772422] [2020-11-06 22:40:14,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:40:14,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:40:14,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:40:14,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:40:14,644 INFO L87 Difference]: Start difference. First operand 1777 states and 2073 transitions. Second operand 8 states. [2020-11-06 22:40:15,734 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-06 22:40:17,863 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-06 22:40:17,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:40:17,977 INFO L93 Difference]: Finished difference Result 4919 states and 6001 transitions. [2020-11-06 22:40:17,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:40:17,982 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 358 [2020-11-06 22:40:17,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:40:17,999 INFO L225 Difference]: With dead ends: 4919 [2020-11-06 22:40:17,999 INFO L226 Difference]: Without dead ends: 3148 [2020-11-06 22:40:18,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 366 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:40:18,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2020-11-06 22:40:18,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 2947. [2020-11-06 22:40:18,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2947 states. [2020-11-06 22:40:18,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 3403 transitions. [2020-11-06 22:40:18,110 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 3403 transitions. Word has length 358 [2020-11-06 22:40:18,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:40:18,111 INFO L481 AbstractCegarLoop]: Abstraction has 2947 states and 3403 transitions. [2020-11-06 22:40:18,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:40:18,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 3403 transitions. [2020-11-06 22:40:18,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2020-11-06 22:40:18,124 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:40:18,125 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:40:18,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:40:18,341 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:40:18,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:40:18,342 INFO L82 PathProgramCache]: Analyzing trace with hash -204345904, now seen corresponding path program 1 times [2020-11-06 22:40:18,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:40:18,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480031684] [2020-11-06 22:40:18,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:40:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:18,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:40:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:18,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:40:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:18,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-11-06 22:40:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:18,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-11-06 22:40:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:18,836 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 117 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-11-06 22:40:18,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480031684] [2020-11-06 22:40:18,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359392174] [2020-11-06 22:40:18,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:40:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:19,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:40:19,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:40:19,293 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-11-06 22:40:19,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:40:19,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-06 22:40:19,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806410749] [2020-11-06 22:40:19,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:40:19,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:40:19,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:40:19,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:40:19,295 INFO L87 Difference]: Start difference. First operand 2947 states and 3403 transitions. Second operand 3 states. [2020-11-06 22:40:20,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:40:20,362 INFO L93 Difference]: Finished difference Result 2947 states and 3403 transitions. [2020-11-06 22:40:20,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:40:20,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 371 [2020-11-06 22:40:20,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:40:20,364 INFO L225 Difference]: With dead ends: 2947 [2020-11-06 22:40:20,364 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:40:20,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:40:20,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:40:20,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:40:20,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:40:20,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:40:20,371 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 371 [2020-11-06 22:40:20,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:40:20,371 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:40:20,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:40:20,371 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:40:20,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:40:20,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:40:20,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:40:20,831 WARN L194 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 143 [2020-11-06 22:40:21,628 WARN L194 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 143 [2020-11-06 22:40:21,834 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 27 [2020-11-06 22:40:22,405 WARN L194 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 32 [2020-11-06 22:40:24,258 WARN L194 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 208 DAG size of output: 40 [2020-11-06 22:40:24,374 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-06 22:40:25,019 WARN L194 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 31 [2020-11-06 22:40:25,660 WARN L194 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 32 [2020-11-06 22:40:25,665 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:40:25,665 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:40:25,665 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:40:25,666 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:40:25,666 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:40:25,666 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-11-06 22:40:25,666 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:40:25,666 INFO L266 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-11-06 22:40:25,667 INFO L266 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-11-06 22:40:25,667 INFO L266 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-11-06 22:40:25,667 INFO L266 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-11-06 22:40:25,667 INFO L266 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-11-06 22:40:25,667 INFO L266 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-11-06 22:40:25,667 INFO L266 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-11-06 22:40:25,667 INFO L266 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-11-06 22:40:25,667 INFO L266 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-11-06 22:40:25,668 INFO L266 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-11-06 22:40:25,668 INFO L266 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-11-06 22:40:25,668 INFO L266 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-11-06 22:40:25,668 INFO L266 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-11-06 22:40:25,668 INFO L266 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,668 INFO L266 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,668 INFO L266 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,668 INFO L266 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,669 INFO L266 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,669 INFO L266 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,669 INFO L266 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-11-06 22:40:25,669 INFO L266 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-11-06 22:40:25,669 INFO L266 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-11-06 22:40:25,669 INFO L266 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-11-06 22:40:25,669 INFO L266 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-11-06 22:40:25,669 INFO L266 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-11-06 22:40:25,669 INFO L266 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-11-06 22:40:25,670 INFO L266 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-11-06 22:40:25,670 INFO L266 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-11-06 22:40:25,670 INFO L266 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-11-06 22:40:25,670 INFO L266 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-11-06 22:40:25,670 INFO L266 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,670 INFO L266 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,670 INFO L266 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,670 INFO L266 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,670 INFO L266 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,671 INFO L266 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-11-06 22:40:25,671 INFO L266 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-11-06 22:40:25,671 INFO L266 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-11-06 22:40:25,671 INFO L266 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-11-06 22:40:25,671 INFO L266 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-11-06 22:40:25,671 INFO L266 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-11-06 22:40:25,671 INFO L266 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-11-06 22:40:25,671 INFO L266 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-11-06 22:40:25,671 INFO L266 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-11-06 22:40:25,672 INFO L266 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-11-06 22:40:25,672 INFO L266 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-11-06 22:40:25,672 INFO L266 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-11-06 22:40:25,672 INFO L266 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-11-06 22:40:25,672 INFO L266 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-11-06 22:40:25,672 INFO L266 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,672 INFO L266 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,672 INFO L266 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,673 INFO L266 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,673 INFO L266 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,673 INFO L266 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-11-06 22:40:25,673 INFO L266 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-11-06 22:40:25,673 INFO L266 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-11-06 22:40:25,673 INFO L266 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-11-06 22:40:25,673 INFO L266 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-11-06 22:40:25,673 INFO L266 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-11-06 22:40:25,673 INFO L266 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-11-06 22:40:25,674 INFO L266 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-11-06 22:40:25,674 INFO L266 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-11-06 22:40:25,674 INFO L266 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-11-06 22:40:25,674 INFO L266 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,674 INFO L266 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,674 INFO L266 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,674 INFO L266 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,674 INFO L266 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,674 INFO L266 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-11-06 22:40:25,675 INFO L266 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-11-06 22:40:25,675 INFO L266 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-11-06 22:40:25,675 INFO L266 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-11-06 22:40:25,675 INFO L266 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-11-06 22:40:25,675 INFO L266 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-11-06 22:40:25,675 INFO L266 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-11-06 22:40:25,675 INFO L266 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-11-06 22:40:25,675 INFO L266 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-11-06 22:40:25,675 INFO L266 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-11-06 22:40:25,676 INFO L266 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-11-06 22:40:25,676 INFO L266 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-11-06 22:40:25,676 INFO L266 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-11-06 22:40:25,676 INFO L266 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,676 INFO L266 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,676 INFO L266 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,676 INFO L266 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,676 INFO L266 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,676 INFO L266 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-11-06 22:40:25,677 INFO L266 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-11-06 22:40:25,677 INFO L266 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-11-06 22:40:25,677 INFO L266 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-11-06 22:40:25,677 INFO L266 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-11-06 22:40:25,677 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,677 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,677 INFO L266 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-11-06 22:40:25,677 INFO L266 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-11-06 22:40:25,677 INFO L266 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-11-06 22:40:25,677 INFO L266 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-11-06 22:40:25,678 INFO L266 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,678 INFO L266 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,678 INFO L266 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,678 INFO L266 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,678 INFO L266 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,678 INFO L266 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-11-06 22:40:25,678 INFO L266 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-11-06 22:40:25,678 INFO L266 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-11-06 22:40:25,678 INFO L266 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-11-06 22:40:25,679 INFO L266 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-11-06 22:40:25,679 INFO L266 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-11-06 22:40:25,679 INFO L266 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-11-06 22:40:25,679 INFO L266 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-11-06 22:40:25,679 INFO L266 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-11-06 22:40:25,679 INFO L266 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-11-06 22:40:25,679 INFO L266 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-11-06 22:40:25,679 INFO L266 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-11-06 22:40:25,679 INFO L266 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-11-06 22:40:25,680 INFO L266 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,680 INFO L266 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,680 INFO L266 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,680 INFO L266 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,680 INFO L266 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-11-06 22:40:25,680 INFO L266 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,680 INFO L266 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,680 INFO L266 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-11-06 22:40:25,680 INFO L266 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-11-06 22:40:25,681 INFO L266 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-11-06 22:40:25,681 INFO L266 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-11-06 22:40:25,681 INFO L266 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-11-06 22:40:25,681 INFO L262 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a19~0)| 9))) (.cse0 (not (= 14 ~a4~0))) (.cse2 (not (= ~a12~0 0)))) (and (or (= 4 |old(~a10~0)|) .cse0 .cse1 .cse2) (or (not (<= |old(~a10~0)| 2)) .cse0 .cse2) (or (not (<= 8 |old(~a19~0)|)) .cse0 .cse1 .cse2) (or .cse0 (not (<= |old(~a19~0)| 6)) .cse2))) [2020-11-06 22:40:25,681 INFO L266 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-11-06 22:40:25,681 INFO L266 CegarLoopResult]: For program point L123-1(line 123) no Hoare annotation was computed. [2020-11-06 22:40:25,682 INFO L266 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-11-06 22:40:25,682 INFO L266 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-11-06 22:40:25,682 INFO L266 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-11-06 22:40:25,682 INFO L266 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-11-06 22:40:25,682 INFO L266 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-11-06 22:40:25,682 INFO L266 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-11-06 22:40:25,682 INFO L266 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,682 INFO L266 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,683 INFO L266 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,683 INFO L266 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,683 INFO L266 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,683 INFO L266 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,683 INFO L266 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-11-06 22:40:25,683 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (<= |old(~a19~0)| 9))) (.cse3 (not (= ~a12~0 0)))) (and (or .cse0 (not (<= 8 |old(~a19~0)|)) .cse1 .cse2 .cse3) (or .cse0 (not (<= |old(~a10~0)| 2)) .cse1 .cse3) (or .cse0 .cse1 (not (<= |old(~a19~0)| 6)) .cse3) (or .cse0 (= 4 |old(~a10~0)|) .cse1 .cse2 .cse3))) [2020-11-06 22:40:25,683 INFO L266 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-11-06 22:40:25,684 INFO L266 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-11-06 22:40:25,684 INFO L266 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-11-06 22:40:25,684 INFO L266 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-11-06 22:40:25,684 INFO L266 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-11-06 22:40:25,684 INFO L266 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-11-06 22:40:25,684 INFO L266 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-11-06 22:40:25,684 INFO L266 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-11-06 22:40:25,684 INFO L266 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-11-06 22:40:25,684 INFO L266 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-11-06 22:40:25,685 INFO L266 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-11-06 22:40:25,685 INFO L266 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-11-06 22:40:25,685 INFO L266 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-11-06 22:40:25,685 INFO L266 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,685 INFO L266 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,685 INFO L266 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,685 INFO L266 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,685 INFO L266 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,685 INFO L266 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,686 INFO L266 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-11-06 22:40:25,686 INFO L266 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-11-06 22:40:25,686 INFO L266 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-11-06 22:40:25,686 INFO L266 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-11-06 22:40:25,686 INFO L266 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-11-06 22:40:25,686 INFO L266 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-11-06 22:40:25,686 INFO L266 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-11-06 22:40:25,686 INFO L266 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-11-06 22:40:25,686 INFO L266 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-11-06 22:40:25,687 INFO L266 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-11-06 22:40:25,687 INFO L266 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-11-06 22:40:25,687 INFO L266 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-11-06 22:40:25,687 INFO L266 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-11-06 22:40:25,687 INFO L266 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,687 INFO L266 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,687 INFO L266 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,687 INFO L266 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,687 INFO L266 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,688 INFO L266 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,688 INFO L266 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-11-06 22:40:25,688 INFO L266 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-11-06 22:40:25,688 INFO L266 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-11-06 22:40:25,688 INFO L266 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-11-06 22:40:25,688 INFO L266 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-11-06 22:40:25,688 INFO L266 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-11-06 22:40:25,688 INFO L266 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-11-06 22:40:25,688 INFO L266 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-11-06 22:40:25,689 INFO L266 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-11-06 22:40:25,689 INFO L266 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-11-06 22:40:25,689 INFO L266 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-11-06 22:40:25,689 INFO L266 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-11-06 22:40:25,690 INFO L266 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,690 INFO L266 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,690 INFO L266 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,690 INFO L266 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,691 INFO L266 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,691 INFO L266 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:40:25,691 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:40:25,691 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 14 ~a4~0) (<= 9 ~a19~0) (= ~a10~0 0) (= ~a12~0 0) (<= ~a19~0 9)) [2020-11-06 22:40:25,691 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:40:25,691 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:40:25,691 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (not (= 0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-11-06 22:40:25,692 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-11-06 22:40:25,692 INFO L262 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and (<= 8 ~a19~0) .cse0) (not (<= 9 |old(~a19~0)|)) (<= ~a10~0 2) (and (not (= ~a10~0 4)) .cse0) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (<= ~a19~0 6) (not (= ~a12~0 0)))) [2020-11-06 22:40:25,692 INFO L266 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-11-06 22:40:25,692 INFO L266 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-11-06 22:40:25,692 INFO L262 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and (<= 8 ~a19~0) .cse0) (not (<= 9 |old(~a19~0)|)) (<= ~a10~0 2) (and (not (= ~a10~0 4)) .cse0) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (<= ~a19~0 6) (not (= ~a12~0 0)))) [2020-11-06 22:40:25,692 INFO L266 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-11-06 22:40:25,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:40:25 BoogieIcfgContainer [2020-11-06 22:40:25,723 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:40:25,725 INFO L168 Benchmark]: Toolchain (without parser) took 48455.07 ms. Allocated memory was 156.2 MB in the beginning and 508.6 MB in the end (delta: 352.3 MB). Free memory was 130.9 MB in the beginning and 188.0 MB in the end (delta: -57.1 MB). Peak memory consumption was 301.3 MB. Max. memory is 8.0 GB. [2020-11-06 22:40:25,725 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 156.2 MB. Free memory is still 128.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:40:25,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.09 ms. Allocated memory is still 156.2 MB. Free memory was 130.3 MB in the beginning and 134.3 MB in the end (delta: -4.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 8.0 GB. [2020-11-06 22:40:25,727 INFO L168 Benchmark]: Boogie Preprocessor took 202.04 ms. Allocated memory is still 156.2 MB. Free memory was 134.3 MB in the beginning and 129.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:40:25,727 INFO L168 Benchmark]: RCFGBuilder took 1715.07 ms. Allocated memory is still 156.2 MB. Free memory was 129.6 MB in the beginning and 111.8 MB in the end (delta: 17.8 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. [2020-11-06 22:40:25,728 INFO L168 Benchmark]: TraceAbstraction took 45835.08 ms. Allocated memory was 156.2 MB in the beginning and 508.6 MB in the end (delta: 352.3 MB). Free memory was 111.2 MB in the beginning and 188.0 MB in the end (delta: -76.8 MB). Peak memory consumption was 280.8 MB. Max. memory is 8.0 GB. [2020-11-06 22:40:25,731 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 156.2 MB. Free memory is still 128.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 691.09 ms. Allocated memory is still 156.2 MB. Free memory was 130.3 MB in the beginning and 134.3 MB in the end (delta: -4.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 202.04 ms. Allocated memory is still 156.2 MB. Free memory was 134.3 MB in the beginning and 129.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1715.07 ms. Allocated memory is still 156.2 MB. Free memory was 129.6 MB in the beginning and 111.8 MB in the end (delta: 17.8 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 45835.08 ms. Allocated memory was 156.2 MB in the beginning and 508.6 MB in the end (delta: 352.3 MB). Free memory was 111.2 MB in the beginning and 188.0 MB in the end (delta: -76.8 MB). Peak memory consumption was 280.8 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: 584]: Loop Invariant Derived loop invariant: ((((((((8 <= a19 && a19 <= 9) || !(9 <= \old(a19))) || a10 <= 2) || (!(a10 == 4) && a19 <= 9)) || !(14 == a4)) || !(\old(a19) <= 9)) || !(0 == \old(a10))) || a19 <= 6) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 40.6s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 31.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 451 SDtfs, 4573 SDslu, 350 SDs, 0 SdLazy, 9210 SolverSat, 2036 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1969 GetRequests, 1869 SyntacticMatches, 4 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2947occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 2170 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 155 PreInvPairs, 211 NumberOfFragments, 357 HoareAnnotationTreeSize, 155 FomulaSimplifications, 106382 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 8095 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 3771 NumberOfCodeBlocks, 3771 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3755 ConstructedInterpolants, 0 QuantifiedInterpolants, 1836255 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3576 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 3193/3352 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...