/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/Problem01_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:32:12,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:32:12,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:32:12,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 18:32:12,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:32:12,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:32:12,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:32:12,965 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-23 18:32:12,995 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:32:12,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:32:12,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:32:12,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:32:12,999 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:32:12,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:32:12,999 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:32:13,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:32:13,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:32:13,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:32:13,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:32:13,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:32:13,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:32:13,001 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:32:13,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:32:13,002 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:32:13,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:32:13,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:32:13,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:32:13,003 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:32:13,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:32:13,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:32:13,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:32:13,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:32:13,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:32:13,005 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:32:13,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:32:13,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:32:13,006 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:32:13,006 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:32:13,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:32:13,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:32:13,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:32:13,460 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:32:13,461 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:32:13,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2020-10-23 18:32:13,563 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/312553b84/9e34f8b2cc3c410ab6e10156ceb82abb/FLAGf3e728209 [2020-10-23 18:32:14,482 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:32:14,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2020-10-23 18:32:14,506 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/312553b84/9e34f8b2cc3c410ab6e10156ceb82abb/FLAGf3e728209 [2020-10-23 18:32:14,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/312553b84/9e34f8b2cc3c410ab6e10156ceb82abb [2020-10-23 18:32:14,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:32:14,725 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:32:14,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:32:14,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:32:14,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:32:14,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:32:14" (1/1) ... [2020-10-23 18:32:14,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ebb2c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:14, skipping insertion in model container [2020-10-23 18:32:14,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:32:14" (1/1) ... [2020-10-23 18:32:14,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:32:14,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:32:15,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:32:15,489 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:32:15,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:32:15,663 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:32:15,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:15 WrapperNode [2020-10-23 18:32:15,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:32:15,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:32:15,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:32:15,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:32:15,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:15" (1/1) ... [2020-10-23 18:32:15,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:15" (1/1) ... [2020-10-23 18:32:15,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:15" (1/1) ... [2020-10-23 18:32:15,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:15" (1/1) ... [2020-10-23 18:32:15,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:15" (1/1) ... [2020-10-23 18:32:15,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:15" (1/1) ... [2020-10-23 18:32:15,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:15" (1/1) ... [2020-10-23 18:32:15,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:32:15,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:32:15,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:32:15,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:32:15,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:32:15,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:32:15,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:32:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:32:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:32:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:32:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:32:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:32:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:32:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:32:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:32:15,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:32:15,971 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:32:15,972 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:32:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:32:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:32:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:32:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:32:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:32:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:32:17,596 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:32:17,596 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:32:17,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:32:17 BoogieIcfgContainer [2020-10-23 18:32:17,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:32:17,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:32:17,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:32:17,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:32:17,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:32:14" (1/3) ... [2020-10-23 18:32:17,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137f4dd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:32:17, skipping insertion in model container [2020-10-23 18:32:17,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:32:15" (2/3) ... [2020-10-23 18:32:17,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137f4dd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:32:17, skipping insertion in model container [2020-10-23 18:32:17,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:32:17" (3/3) ... [2020-10-23 18:32:17,616 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label53.c [2020-10-23 18:32:17,631 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:32:17,643 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:32:17,660 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:32:17,701 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:32:17,701 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:32:17,701 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:32:17,701 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:32:17,701 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:32:17,702 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:32:17,702 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:32:17,702 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:32:17,728 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-23 18:32:17,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-23 18:32:17,743 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:32:17,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:32:17,745 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:32:17,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:32:17,754 INFO L82 PathProgramCache]: Analyzing trace with hash -142401861, now seen corresponding path program 1 times [2020-10-23 18:32:17,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:32:17,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671323493] [2020-10-23 18:32:17,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:32:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:18,521 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-23 18:32:18,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:32:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:18,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:32:18,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671323493] [2020-10-23 18:32:18,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:32:18,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 18:32:18,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221992502] [2020-10-23 18:32:18,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:32:18,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:32:18,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:32:18,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:32:18,744 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 5 states. [2020-10-23 18:32:18,936 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-23 18:32:19,273 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-23 18:32:22,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:32:22,673 INFO L93 Difference]: Finished difference Result 703 states and 1239 transitions. [2020-10-23 18:32:22,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 18:32:22,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2020-10-23 18:32:22,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:32:22,702 INFO L225 Difference]: With dead ends: 703 [2020-10-23 18:32:22,703 INFO L226 Difference]: Without dead ends: 424 [2020-10-23 18:32:22,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:32:22,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2020-10-23 18:32:22,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 418. [2020-10-23 18:32:22,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-10-23 18:32:22,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 604 transitions. [2020-10-23 18:32:22,826 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 604 transitions. Word has length 121 [2020-10-23 18:32:22,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:32:22,827 INFO L481 AbstractCegarLoop]: Abstraction has 418 states and 604 transitions. [2020-10-23 18:32:22,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:32:22,828 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 604 transitions. [2020-10-23 18:32:22,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-23 18:32:22,835 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:32:22,835 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:32:22,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:32:22,836 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:32:22,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:32:22,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1767920394, now seen corresponding path program 1 times [2020-10-23 18:32:22,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:32:22,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565664874] [2020-10-23 18:32:22,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:32:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:23,132 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-23 18:32:23,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:32:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:23,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:32:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:23,332 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:32:23,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565664874] [2020-10-23 18:32:23,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:32:23,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:32:23,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422840894] [2020-10-23 18:32:23,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:32:23,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:32:23,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:32:23,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:32:23,337 INFO L87 Difference]: Start difference. First operand 418 states and 604 transitions. Second operand 8 states. [2020-10-23 18:32:23,482 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-23 18:32:24,722 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-23 18:32:25,276 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-23 18:32:26,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:32:26,607 INFO L93 Difference]: Finished difference Result 1128 states and 1660 transitions. [2020-10-23 18:32:26,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-23 18:32:26,607 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2020-10-23 18:32:26,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:32:26,623 INFO L225 Difference]: With dead ends: 1128 [2020-10-23 18:32:26,624 INFO L226 Difference]: Without dead ends: 716 [2020-10-23 18:32:26,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:32:26,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-10-23 18:32:26,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 702. [2020-10-23 18:32:26,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2020-10-23 18:32:26,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 954 transitions. [2020-10-23 18:32:26,728 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 954 transitions. Word has length 138 [2020-10-23 18:32:26,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:32:26,729 INFO L481 AbstractCegarLoop]: Abstraction has 702 states and 954 transitions. [2020-10-23 18:32:26,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:32:26,729 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 954 transitions. [2020-10-23 18:32:26,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-23 18:32:26,736 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:32:26,737 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:32:26,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:32:26,737 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:32:26,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:32:26,738 INFO L82 PathProgramCache]: Analyzing trace with hash 386520196, now seen corresponding path program 1 times [2020-10-23 18:32:26,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:32:26,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762190533] [2020-10-23 18:32:26,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:32:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:26,934 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-23 18:32:26,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:32:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:26,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:32:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:27,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 18:32:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:27,084 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 18:32:27,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762190533] [2020-10-23 18:32:27,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397533338] [2020-10-23 18:32:27,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:32:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:27,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-23 18:32:27,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:32:27,626 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-23 18:32:27,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:32:27,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2020-10-23 18:32:27,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428844738] [2020-10-23 18:32:27,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:32:27,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:32:27,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:32:27,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:32:27,631 INFO L87 Difference]: Start difference. First operand 702 states and 954 transitions. Second operand 5 states. [2020-10-23 18:32:28,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:32:28,870 INFO L93 Difference]: Finished difference Result 1847 states and 2641 transitions. [2020-10-23 18:32:28,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 18:32:28,871 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-10-23 18:32:28,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:32:28,882 INFO L225 Difference]: With dead ends: 1847 [2020-10-23 18:32:28,882 INFO L226 Difference]: Without dead ends: 1151 [2020-10-23 18:32:28,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-10-23 18:32:28,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2020-10-23 18:32:29,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1121. [2020-10-23 18:32:29,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1121 states. [2020-10-23 18:32:29,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1524 transitions. [2020-10-23 18:32:29,040 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1524 transitions. Word has length 148 [2020-10-23 18:32:29,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:32:29,040 INFO L481 AbstractCegarLoop]: Abstraction has 1121 states and 1524 transitions. [2020-10-23 18:32:29,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:32:29,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1524 transitions. [2020-10-23 18:32:29,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-23 18:32:29,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:32:29,070 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:32:29,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-23 18:32:29,287 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:32:29,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:32:29,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1652325063, now seen corresponding path program 1 times [2020-10-23 18:32:29,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:32:29,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115430210] [2020-10-23 18:32:29,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:32:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:29,503 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-23 18:32:29,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:32:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:29,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:32:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:29,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 18:32:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:29,667 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:32:29,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115430210] [2020-10-23 18:32:29,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148880493] [2020-10-23 18:32:29,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:32:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:29,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:32:29,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:32:30,021 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-23 18:32:30,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:32:30,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:32:30,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309628140] [2020-10-23 18:32:30,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:32:30,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:32:30,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:32:30,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:32:30,025 INFO L87 Difference]: Start difference. First operand 1121 states and 1524 transitions. Second operand 3 states. [2020-10-23 18:32:31,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:32:31,087 INFO L93 Difference]: Finished difference Result 2784 states and 3894 transitions. [2020-10-23 18:32:31,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:32:31,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-10-23 18:32:31,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:32:31,103 INFO L225 Difference]: With dead ends: 2784 [2020-10-23 18:32:31,104 INFO L226 Difference]: Without dead ends: 1669 [2020-10-23 18:32:31,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:32:31,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2020-10-23 18:32:31,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1256. [2020-10-23 18:32:31,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2020-10-23 18:32:31,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1665 transitions. [2020-10-23 18:32:31,181 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1665 transitions. Word has length 149 [2020-10-23 18:32:31,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:32:31,184 INFO L481 AbstractCegarLoop]: Abstraction has 1256 states and 1665 transitions. [2020-10-23 18:32:31,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:32:31,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1665 transitions. [2020-10-23 18:32:31,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-23 18:32:31,193 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:32:31,194 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:32:31,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:32:31,409 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:32:31,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:32:31,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1340725496, now seen corresponding path program 1 times [2020-10-23 18:32:31,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:32:31,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909813181] [2020-10-23 18:32:31,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:32:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:31,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:32:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:31,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:32:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:31,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 18:32:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:31,825 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:32:31,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909813181] [2020-10-23 18:32:31,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566540307] [2020-10-23 18:32:31,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:32:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:32,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-23 18:32:32,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:32:32,077 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:32:32,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:32:32,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2020-10-23 18:32:32,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508170680] [2020-10-23 18:32:32,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:32:32,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:32:32,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:32:32,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:32:32,084 INFO L87 Difference]: Start difference. First operand 1256 states and 1665 transitions. Second operand 7 states. [2020-10-23 18:32:34,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:32:34,156 INFO L93 Difference]: Finished difference Result 2826 states and 3886 transitions. [2020-10-23 18:32:34,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-23 18:32:34,159 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 176 [2020-10-23 18:32:34,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:32:34,183 INFO L225 Difference]: With dead ends: 2826 [2020-10-23 18:32:34,184 INFO L226 Difference]: Without dead ends: 1576 [2020-10-23 18:32:34,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-23 18:32:34,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2020-10-23 18:32:34,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1129. [2020-10-23 18:32:34,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1129 states. [2020-10-23 18:32:34,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1462 transitions. [2020-10-23 18:32:34,297 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1462 transitions. Word has length 176 [2020-10-23 18:32:34,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:32:34,298 INFO L481 AbstractCegarLoop]: Abstraction has 1129 states and 1462 transitions. [2020-10-23 18:32:34,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:32:34,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1462 transitions. [2020-10-23 18:32:34,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-23 18:32:34,304 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:32:34,304 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:32:34,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:32:34,518 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:32:34,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:32:34,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1582553677, now seen corresponding path program 1 times [2020-10-23 18:32:34,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:32:34,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053209913] [2020-10-23 18:32:34,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:32:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:34,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:32:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:34,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:32:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:34,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 18:32:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:34,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-23 18:32:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:34,859 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 73 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-23 18:32:34,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053209913] [2020-10-23 18:32:34,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439847115] [2020-10-23 18:32:34,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:32:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:32:35,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-23 18:32:35,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:32:35,142 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-23 18:32:35,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:32:35,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:32:35,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837988931] [2020-10-23 18:32:35,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:32:35,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:32:35,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:32:35,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:32:35,145 INFO L87 Difference]: Start difference. First operand 1129 states and 1462 transitions. Second operand 3 states. [2020-10-23 18:32:35,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:32:35,950 INFO L93 Difference]: Finished difference Result 2801 states and 3703 transitions. [2020-10-23 18:32:35,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:32:35,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2020-10-23 18:32:35,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:32:35,952 INFO L225 Difference]: With dead ends: 2801 [2020-10-23 18:32:35,953 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:32:35,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:32:35,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:32:35,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:32:35,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:32:35,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:32:35,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2020-10-23 18:32:35,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:32:35,961 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:32:35,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:32:35,961 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:32:35,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:32:36,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:32:36,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:32:36,665 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 134 [2020-10-23 18:32:36,885 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2020-10-23 18:32:37,016 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 33 [2020-10-23 18:32:38,267 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-10-23 18:32:38,518 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 45 [2020-10-23 18:32:38,768 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 45 [2020-10-23 18:32:38,957 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-10-23 18:32:38,966 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:32:38,966 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:32:38,967 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:32:38,967 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:32:38,967 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:32:38,968 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= ~y~0 |old(~y~0)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |old(#t~string7.base)| |#t~string7.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-23 18:32:38,968 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:32:38,968 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,968 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,968 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,968 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,968 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,969 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,969 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-23 18:32:38,969 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-23 18:32:38,969 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-23 18:32:38,969 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-23 18:32:38,969 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-23 18:32:38,969 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-23 18:32:38,969 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-23 18:32:38,970 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-23 18:32:38,970 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-23 18:32:38,970 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-23 18:32:38,970 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-23 18:32:38,970 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-23 18:32:38,970 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,970 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,970 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,971 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,971 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,971 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,971 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-23 18:32:38,971 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-23 18:32:38,971 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-23 18:32:38,971 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-23 18:32:38,971 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-23 18:32:38,972 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-23 18:32:38,972 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-23 18:32:38,972 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-23 18:32:38,972 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-23 18:32:38,972 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-23 18:32:38,972 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,972 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,972 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,972 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,973 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,973 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,973 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-23 18:32:38,973 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-23 18:32:38,973 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-23 18:32:38,973 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-23 18:32:38,973 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-23 18:32:38,973 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-23 18:32:38,974 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-23 18:32:38,974 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-23 18:32:38,974 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-23 18:32:38,974 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-23 18:32:38,974 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-23 18:32:38,974 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-23 18:32:38,974 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-23 18:32:38,974 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-23 18:32:38,975 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-23 18:32:38,975 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,975 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,975 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,975 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,975 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,975 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-23 18:32:38,975 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-23 18:32:38,976 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-23 18:32:38,976 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-23 18:32:38,976 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-23 18:32:38,976 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-23 18:32:38,976 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-23 18:32:38,976 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-23 18:32:38,976 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-23 18:32:38,976 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,977 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,977 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,977 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,977 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,977 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-23 18:32:38,977 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-23 18:32:38,977 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-23 18:32:38,977 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-23 18:32:38,978 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-23 18:32:38,978 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-23 18:32:38,978 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-23 18:32:38,978 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-23 18:32:38,978 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-23 18:32:38,978 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-23 18:32:38,978 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-23 18:32:38,978 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-23 18:32:38,978 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-23 18:32:38,979 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,979 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,979 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,979 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,979 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,979 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-23 18:32:38,979 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-23 18:32:38,979 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-23 18:32:38,980 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,980 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,980 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-23 18:32:38,980 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-23 18:32:38,981 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-23 18:32:38,981 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-23 18:32:38,981 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-23 18:32:38,981 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-23 18:32:38,981 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,982 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,982 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,982 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,982 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-23 18:32:38,982 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,982 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-23 18:32:38,982 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-23 18:32:38,983 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-23 18:32:38,983 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-23 18:32:38,983 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-23 18:32:38,983 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-23 18:32:38,983 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-23 18:32:38,983 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-23 18:32:38,983 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-23 18:32:38,983 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-23 18:32:38,984 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-23 18:32:38,984 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-23 18:32:38,984 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-23 18:32:38,984 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,984 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,984 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,984 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,984 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,985 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-23 18:32:38,985 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-23 18:32:38,985 INFO L270 CegarLoopResult]: At program point L520(line 520) the Hoare annotation is: (let ((.cse1 (= 14 |old(~a8~0)|)) (.cse0 (not (<= |old(~a16~0)| 5)))) (let ((.cse2 (let ((.cse6 (not (<= |old(~a17~0)| 0)))) (and (or .cse1 .cse6) (or .cse0 .cse6)))) (.cse3 (not (= |old(~a20~0)| 1))) (.cse4 (not (= |old(~a17~0)| 1))) (.cse5 (not (= |old(~a21~0)| 1)))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse4 .cse0 .cse3 .cse5) (or .cse2 .cse5) (or .cse3 .cse1 .cse5) (or .cse4 (not (<= 15 |old(~a8~0)|)) .cse5)))) [2020-10-23 18:32:38,985 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-23 18:32:38,985 INFO L274 CegarLoopResult]: For program point L520-1(line 520) no Hoare annotation was computed. [2020-10-23 18:32:38,985 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-23 18:32:38,986 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-23 18:32:38,986 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-23 18:32:38,986 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-23 18:32:38,986 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,986 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,986 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse11 (= ~a21~0 |old(~a21~0)|)) (.cse8 (= 14 |old(~a8~0)|)) (.cse1 (not (<= |old(~a16~0)| 5))) (.cse9 (= ~a7~0 |old(~a7~0)|)) (.cse10 (= ~a17~0 |old(~a17~0)|)) (.cse14 (= ~a21~0 1)) (.cse6 (= ~a20~0 |old(~a20~0)|)) (.cse12 (= ~a16~0 |old(~a16~0)|)) (.cse13 (= ~a8~0 |old(~a8~0)|))) (let ((.cse0 (not (= |old(~a17~0)| 1))) (.cse3 (and .cse9 .cse10 .cse14 .cse6 .cse12 .cse13)) (.cse4 (not (= |old(~a21~0)| 1))) (.cse5 (let ((.cse17 (not (<= |old(~a17~0)| 0)))) (and (or .cse8 .cse17) (or .cse1 .cse17)))) (.cse2 (not (= |old(~a20~0)| 1))) (.cse7 (let ((.cse16 (<= ~a17~0 0))) (or (and .cse10 .cse9 .cse11 .cse16 (not (= 14 ~a8~0)) .cse12 .cse13) (and .cse10 .cse9 .cse11 (<= ~a16~0 5) .cse16 .cse12 .cse13)))) (.cse15 (= ~a20~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (and .cse6 .cse7) .cse4) (or .cse0 (not (<= 15 |old(~a8~0)|)) .cse3 .cse4) (or .cse1 .cse8 (and .cse9 .cse10 .cse11 .cse6 .cse12 .cse13)) (or (and .cse9 .cse10 .cse14 .cse12 .cse13 .cse15) .cse2 .cse8 .cse4) (or .cse5 .cse2 (and .cse7 .cse15))))) [2020-10-23 18:32:38,987 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,987 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,987 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,987 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-23 18:32:38,987 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-23 18:32:38,987 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-23 18:32:38,987 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-23 18:32:38,987 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-23 18:32:38,987 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-23 18:32:38,988 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-23 18:32:38,988 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-23 18:32:38,988 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-23 18:32:38,988 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-23 18:32:38,988 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-23 18:32:38,988 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,988 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,988 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,989 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,989 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-23 18:32:38,989 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,989 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,989 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-23 18:32:38,989 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-23 18:32:38,989 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-23 18:32:38,989 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-23 18:32:38,989 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-23 18:32:38,990 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-23 18:32:38,990 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-23 18:32:38,990 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-23 18:32:38,990 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-23 18:32:38,990 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-23 18:32:38,990 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-23 18:32:38,990 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-23 18:32:38,990 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,990 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,992 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,992 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,992 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,992 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-23 18:32:38,992 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:32:38,993 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-23 18:32:38,993 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-23 18:32:38,993 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-23 18:32:38,993 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-23 18:32:38,993 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-23 18:32:38,993 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-23 18:32:38,993 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-23 18:32:38,993 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-23 18:32:38,993 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-23 18:32:38,994 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-23 18:32:38,994 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-23 18:32:38,994 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-23 18:32:38,994 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-23 18:32:38,994 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-23 18:32:38,994 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:32:38,995 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (<= ~a16~0 5) (= ~a20~0 1) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-10-23 18:32:38,995 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:32:38,995 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:32:38,995 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (not (= |old(~a21~0)| 1))) [2020-10-23 18:32:38,995 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-23 18:32:38,995 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse2 (not (= 14 ~a8~0))) (.cse4 (<= ~a16~0 5))) (let ((.cse0 (= ~a17~0 1)) (.cse3 (= ~a20~0 1)) (.cse1 (= ~a21~0 1)) (.cse5 (let ((.cse6 (<= ~a17~0 0))) (or (and .cse6 .cse2) (and .cse4 .cse6))))) (or (and (= ~a21~0 |old(~a21~0)|) (<= 15 ~a8~0) .cse0) (not (= |old(~a17~0)| 1)) (and .cse1 .cse2 .cse3) (and .cse4 .cse2) (not (<= |old(~a16~0)| 5)) (and .cse1 .cse4 .cse3 .cse0) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and .cse5 .cse3) (not (= |old(~a21~0)| 1)) (and .cse1 .cse5)))) [2020-10-23 18:32:38,995 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-23 18:32:38,996 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-23 18:32:38,996 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse2 (not (= 14 ~a8~0))) (.cse4 (<= ~a16~0 5))) (let ((.cse0 (= ~a17~0 1)) (.cse3 (= ~a20~0 1)) (.cse1 (= ~a21~0 1)) (.cse5 (let ((.cse6 (<= ~a17~0 0))) (or (and .cse6 .cse2) (and .cse4 .cse6))))) (or (and (= ~a21~0 |old(~a21~0)|) (<= 15 ~a8~0) .cse0) (not (= |old(~a17~0)| 1)) (and .cse1 .cse2 .cse3) (and .cse4 .cse2) (not (<= |old(~a16~0)| 5)) (and .cse1 .cse4 .cse3 .cse0) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and .cse5 .cse3) (not (= |old(~a21~0)| 1)) (and .cse1 .cse5)))) [2020-10-23 18:32:38,996 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-23 18:32:39,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:32:39 BoogieIcfgContainer [2020-10-23 18:32:39,043 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:32:39,049 INFO L168 Benchmark]: Toolchain (without parser) took 24326.29 ms. Allocated memory was 151.0 MB in the beginning and 390.1 MB in the end (delta: 239.1 MB). Free memory was 125.1 MB in the beginning and 210.4 MB in the end (delta: -85.3 MB). Peak memory consumption was 197.8 MB. Max. memory is 8.0 GB. [2020-10-23 18:32:39,050 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:32:39,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 937.00 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 129.2 MB in the end (delta: -4.7 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. [2020-10-23 18:32:39,052 INFO L168 Benchmark]: Boogie Preprocessor took 163.34 ms. Allocated memory is still 151.0 MB. Free memory was 129.2 MB in the beginning and 124.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:32:39,052 INFO L168 Benchmark]: RCFGBuilder took 1770.69 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 101.5 MB in the end (delta: 22.5 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. [2020-10-23 18:32:39,055 INFO L168 Benchmark]: TraceAbstraction took 21437.07 ms. Allocated memory was 151.0 MB in the beginning and 390.1 MB in the end (delta: 239.1 MB). Free memory was 101.5 MB in the beginning and 210.4 MB in the end (delta: -108.9 MB). Peak memory consumption was 172.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:32:39,061 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 937.00 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 129.2 MB in the end (delta: -4.7 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 163.34 ms. Allocated memory is still 151.0 MB. Free memory was 129.2 MB in the beginning and 124.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1770.69 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 101.5 MB in the end (delta: 22.5 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 21437.07 ms. Allocated memory was 151.0 MB in the beginning and 390.1 MB in the end (delta: 239.1 MB). Free memory was 101.5 MB in the beginning and 210.4 MB in the end (delta: -108.9 MB). Peak memory consumption was 172.2 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: 585]: Loop Invariant Derived loop invariant: (((((((((((a21 == \old(a21) && 15 <= a8) && a17 == 1) || !(\old(a17) == 1)) || ((a21 == 1 && !(14 == a8)) && a20 == 1)) || (a16 <= 5 && !(14 == a8))) || !(\old(a16) <= 5)) || (((a21 == 1 && a16 <= 5) && a20 == 1) && a17 == 1)) || !(15 <= \old(a8))) || !(\old(a20) == 1)) || (((a17 <= 0 && !(14 == a8)) || (a16 <= 5 && a17 <= 0)) && a20 == 1)) || !(\old(a21) == 1)) || (a21 == 1 && ((a17 <= 0 && !(14 == a8)) || (a16 <= 5 && a17 <= 0))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.4s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 12.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 353 SDtfs, 2292 SDslu, 175 SDs, 0 SdLazy, 3775 SolverSat, 1050 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 739 GetRequests, 687 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1256occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 910 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 104 PreInvPairs, 128 NumberOfFragments, 722 HoareAnnotationTreeSize, 104 FomulaSimplifications, 17578 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2899 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1587 NumberOfCodeBlocks, 1587 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1577 ConstructedInterpolants, 0 QuantifiedInterpolants, 580886 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2135 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 433/458 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...