/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/Problem14_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:38:25,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:38:25,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:38:26,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 18:38:26,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:38:26,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:38:26,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:38:26,090 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 18:38:26,149 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:38:26,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:38:26,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:38:26,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:38:26,154 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:38:26,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:38:26,155 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:38:26,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:38:26,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:38:26,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:38:26,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:38:26,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:38:26,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:38:26,157 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:38:26,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:38:26,157 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:38:26,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:38:26,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:38:26,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:38:26,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:38:26,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:38:26,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:38:26,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:38:26,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:38:26,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:38:26,161 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:38:26,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:38:26,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:38:26,162 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:38:26,162 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:38:26,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:38:26,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:38:26,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:38:26,656 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:38:26,657 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:38:26,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label21.c [2020-10-23 18:38:26,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9583ca3b1/3d5ba7467b564542973e7fdbd7d34332/FLAGa573963e6 [2020-10-23 18:38:27,563 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:38:27,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label21.c [2020-10-23 18:38:27,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9583ca3b1/3d5ba7467b564542973e7fdbd7d34332/FLAGa573963e6 [2020-10-23 18:38:27,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9583ca3b1/3d5ba7467b564542973e7fdbd7d34332 [2020-10-23 18:38:27,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:38:27,787 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:38:27,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:38:27,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:38:27,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:38:27,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:38:27" (1/1) ... [2020-10-23 18:38:27,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a3b32da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:27, skipping insertion in model container [2020-10-23 18:38:27,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:38:27" (1/1) ... [2020-10-23 18:38:27,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:38:27,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:38:28,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:38:28,490 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:38:28,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:38:28,730 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:38:28,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:28 WrapperNode [2020-10-23 18:38:28,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:38:28,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:38:28,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:38:28,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:38:28,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:28" (1/1) ... [2020-10-23 18:38:28,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:28" (1/1) ... [2020-10-23 18:38:28,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:28" (1/1) ... [2020-10-23 18:38:28,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:28" (1/1) ... [2020-10-23 18:38:28,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:28" (1/1) ... [2020-10-23 18:38:28,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:28" (1/1) ... [2020-10-23 18:38:28,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:28" (1/1) ... [2020-10-23 18:38:28,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:38:28,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:38:28,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:38:28,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:38:28,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:28" (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 18:38:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:38:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:38:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:38:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:38:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:38:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:38:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:38:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:38:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:38:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:38:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:38:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:38:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:38:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:38:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:38:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:38:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:38:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:38:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:38:31,161 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:38:31,161 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:38:31,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:38:31 BoogieIcfgContainer [2020-10-23 18:38:31,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:38:31,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:38:31,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:38:31,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:38:31,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:38:27" (1/3) ... [2020-10-23 18:38:31,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19120990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:38:31, skipping insertion in model container [2020-10-23 18:38:31,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:28" (2/3) ... [2020-10-23 18:38:31,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19120990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:38:31, skipping insertion in model container [2020-10-23 18:38:31,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:38:31" (3/3) ... [2020-10-23 18:38:31,178 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label21.c [2020-10-23 18:38:31,195 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:38:31,201 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:38:31,215 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:38:31,253 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:38:31,253 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:38:31,254 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:38:31,254 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:38:31,254 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:38:31,254 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:38:31,254 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:38:31,254 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:38:31,278 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states. [2020-10-23 18:38:31,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-23 18:38:31,286 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:31,287 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] [2020-10-23 18:38:31,287 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:31,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:31,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1822175390, now seen corresponding path program 1 times [2020-10-23 18:38:31,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:31,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326310722] [2020-10-23 18:38:31,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:31,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:31,820 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 18:38:31,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326310722] [2020-10-23 18:38:31,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:38:31,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 18:38:31,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842035195] [2020-10-23 18:38:31,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:38:31,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:31,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:38:31,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:38:31,854 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 5 states. [2020-10-23 18:38:36,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:36,035 INFO L93 Difference]: Finished difference Result 891 states and 1619 transitions. [2020-10-23 18:38:36,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 18:38:36,039 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-10-23 18:38:36,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:36,074 INFO L225 Difference]: With dead ends: 891 [2020-10-23 18:38:36,074 INFO L226 Difference]: Without dead ends: 565 [2020-10-23 18:38:36,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:38:36,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-10-23 18:38:36,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 559. [2020-10-23 18:38:36,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-10-23 18:38:36,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 907 transitions. [2020-10-23 18:38:36,224 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 907 transitions. Word has length 41 [2020-10-23 18:38:36,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:36,225 INFO L481 AbstractCegarLoop]: Abstraction has 559 states and 907 transitions. [2020-10-23 18:38:36,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:38:36,225 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 907 transitions. [2020-10-23 18:38:36,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-23 18:38:36,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:36,232 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:38:36,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:38:36,232 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:36,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:36,233 INFO L82 PathProgramCache]: Analyzing trace with hash -431151201, now seen corresponding path program 1 times [2020-10-23 18:38:36,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:36,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016926537] [2020-10-23 18:38:36,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:36,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:36,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:36,744 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:36,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016926537] [2020-10-23 18:38:36,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:38:36,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:38:36,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753890222] [2020-10-23 18:38:36,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:38:36,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:36,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:38:36,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:38:36,752 INFO L87 Difference]: Start difference. First operand 559 states and 907 transitions. Second operand 8 states. [2020-10-23 18:38:39,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:39,585 INFO L93 Difference]: Finished difference Result 1322 states and 2176 transitions. [2020-10-23 18:38:39,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:38:39,587 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 115 [2020-10-23 18:38:39,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:39,597 INFO L225 Difference]: With dead ends: 1322 [2020-10-23 18:38:39,597 INFO L226 Difference]: Without dead ends: 769 [2020-10-23 18:38:39,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-23 18:38:39,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-10-23 18:38:39,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 567. [2020-10-23 18:38:39,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 567 states. [2020-10-23 18:38:39,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 820 transitions. [2020-10-23 18:38:39,672 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 820 transitions. Word has length 115 [2020-10-23 18:38:39,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:39,677 INFO L481 AbstractCegarLoop]: Abstraction has 567 states and 820 transitions. [2020-10-23 18:38:39,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:38:39,677 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 820 transitions. [2020-10-23 18:38:39,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-23 18:38:39,694 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:39,695 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:38:39,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:38:39,695 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:39,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:39,699 INFO L82 PathProgramCache]: Analyzing trace with hash -147569011, now seen corresponding path program 1 times [2020-10-23 18:38:39,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:39,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725247381] [2020-10-23 18:38:39,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:39,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:39,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:40,035 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:40,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725247381] [2020-10-23 18:38:40,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623799959] [2020-10-23 18:38:40,037 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 18:38:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:40,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:40,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:40,417 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:40,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:38:40,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-10-23 18:38:40,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931671194] [2020-10-23 18:38:40,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:38:40,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:40,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:38:40,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:38:40,426 INFO L87 Difference]: Start difference. First operand 567 states and 820 transitions. Second operand 3 states. [2020-10-23 18:38:41,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:41,703 INFO L93 Difference]: Finished difference Result 1678 states and 2461 transitions. [2020-10-23 18:38:41,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:38:41,704 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-10-23 18:38:41,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:41,713 INFO L225 Difference]: With dead ends: 1678 [2020-10-23 18:38:41,713 INFO L226 Difference]: Without dead ends: 1117 [2020-10-23 18:38:41,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 127 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:38:41,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2020-10-23 18:38:41,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 933. [2020-10-23 18:38:41,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2020-10-23 18:38:41,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1276 transitions. [2020-10-23 18:38:41,767 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1276 transitions. Word has length 124 [2020-10-23 18:38:41,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:41,769 INFO L481 AbstractCegarLoop]: Abstraction has 933 states and 1276 transitions. [2020-10-23 18:38:41,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:38:41,770 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1276 transitions. [2020-10-23 18:38:41,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-10-23 18:38:41,776 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:41,776 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:41,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-23 18:38:41,992 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:41,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:41,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1037115156, now seen corresponding path program 1 times [2020-10-23 18:38:41,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:42,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24394879] [2020-10-23 18:38:42,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:42,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:42,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:42,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-23 18:38:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:42,346 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-23 18:38:42,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24394879] [2020-10-23 18:38:42,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138172400] [2020-10-23 18:38:42,347 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 18:38:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:42,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:42,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:42,625 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-23 18:38:42,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:38:42,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-10-23 18:38:42,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386870279] [2020-10-23 18:38:42,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:38:42,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:42,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:38:42,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:38:42,630 INFO L87 Difference]: Start difference. First operand 933 states and 1276 transitions. Second operand 3 states. [2020-10-23 18:38:43,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:43,806 INFO L93 Difference]: Finished difference Result 2414 states and 3392 transitions. [2020-10-23 18:38:43,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:38:43,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2020-10-23 18:38:43,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:43,824 INFO L225 Difference]: With dead ends: 2414 [2020-10-23 18:38:43,824 INFO L226 Difference]: Without dead ends: 1487 [2020-10-23 18:38:43,829 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:38:43,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1487 states. [2020-10-23 18:38:43,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1487 to 1303. [2020-10-23 18:38:43,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1303 states. [2020-10-23 18:38:43,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 1747 transitions. [2020-10-23 18:38:43,892 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 1747 transitions. Word has length 227 [2020-10-23 18:38:43,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:43,894 INFO L481 AbstractCegarLoop]: Abstraction has 1303 states and 1747 transitions. [2020-10-23 18:38:43,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:38:43,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1747 transitions. [2020-10-23 18:38:43,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-23 18:38:43,900 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:43,901 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:44,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:44,116 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:44,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:44,117 INFO L82 PathProgramCache]: Analyzing trace with hash 418176376, now seen corresponding path program 1 times [2020-10-23 18:38:44,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:44,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053545497] [2020-10-23 18:38:44,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:44,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:44,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:44,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-23 18:38:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:44,533 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-23 18:38:44,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053545497] [2020-10-23 18:38:44,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123894987] [2020-10-23 18:38:44,534 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 18:38:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:44,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:44,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:44,774 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-23 18:38:44,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:38:44,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-10-23 18:38:44,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171482775] [2020-10-23 18:38:44,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:38:44,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:44,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:38:44,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:38:44,777 INFO L87 Difference]: Start difference. First operand 1303 states and 1747 transitions. Second operand 3 states. [2020-10-23 18:38:46,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:46,011 INFO L93 Difference]: Finished difference Result 3154 states and 4348 transitions. [2020-10-23 18:38:46,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:38:46,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2020-10-23 18:38:46,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:46,023 INFO L225 Difference]: With dead ends: 3154 [2020-10-23 18:38:46,024 INFO L226 Difference]: Without dead ends: 1857 [2020-10-23 18:38:46,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:38:46,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2020-10-23 18:38:46,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1673. [2020-10-23 18:38:46,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1673 states. [2020-10-23 18:38:46,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 2275 transitions. [2020-10-23 18:38:46,095 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 2275 transitions. Word has length 233 [2020-10-23 18:38:46,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:46,095 INFO L481 AbstractCegarLoop]: Abstraction has 1673 states and 2275 transitions. [2020-10-23 18:38:46,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:38:46,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 2275 transitions. [2020-10-23 18:38:46,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-10-23 18:38:46,102 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:46,102 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-23 18:38:46,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:46,317 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:46,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:46,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1350076408, now seen corresponding path program 1 times [2020-10-23 18:38:46,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:46,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694343533] [2020-10-23 18:38:46,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:46,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:46,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:46,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-23 18:38:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:46,743 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-23 18:38:46,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694343533] [2020-10-23 18:38:46,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72777487] [2020-10-23 18:38:46,745 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 18:38:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:46,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:46,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:47,005 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-23 18:38:47,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:38:47,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-10-23 18:38:47,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657364538] [2020-10-23 18:38:47,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:38:47,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:47,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:38:47,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:38:47,008 INFO L87 Difference]: Start difference. First operand 1673 states and 2275 transitions. Second operand 3 states. [2020-10-23 18:38:48,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:48,312 INFO L93 Difference]: Finished difference Result 4447 states and 6131 transitions. [2020-10-23 18:38:48,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:38:48,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 265 [2020-10-23 18:38:48,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:48,314 INFO L225 Difference]: With dead ends: 4447 [2020-10-23 18:38:48,314 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:38:48,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 270 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:38:48,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:38:48,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:38:48,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:38:48,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:38:48,326 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 265 [2020-10-23 18:38:48,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:48,326 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:38:48,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:38:48,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:38:48,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:38:48,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:48,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:38:49,543 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 28 [2020-10-23 18:38:49,792 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 14 [2020-10-23 18:38:49,797 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:38:49,797 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:38:49,797 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:38:49,798 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:38:49,798 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:38:49,798 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)|) (= ~inputA~0 |old(~inputA~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a15~0 |old(~a15~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a24~0 |old(~a24~0)|) (= ~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)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-23 18:38:49,798 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:38:49,798 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-23 18:38:49,798 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-23 18:38:49,799 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-23 18:38:49,799 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-23 18:38:49,799 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-23 18:38:49,799 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-23 18:38:49,799 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-23 18:38:49,799 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,799 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,799 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,799 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-23 18:38:49,800 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-23 18:38:49,800 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-23 18:38:49,800 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-23 18:38:49,800 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-23 18:38:49,800 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-23 18:38:49,800 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-23 18:38:49,800 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-23 18:38:49,800 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,800 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,801 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,801 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-23 18:38:49,801 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-23 18:38:49,801 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-23 18:38:49,801 INFO L270 CegarLoopResult]: At program point L108(line 108) the Hoare annotation is: (and (not (<= 12 |old(~a12~0)|)) (not (<= 9 |old(~a21~0)|)) (not (<= |old(~a21~0)| 6)) (= 6 |old(~a15~0)|)) [2020-10-23 18:38:49,802 INFO L274 CegarLoopResult]: For program point L108-1(line 108) no Hoare annotation was computed. [2020-10-23 18:38:49,802 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-23 18:38:49,802 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-23 18:38:49,802 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-23 18:38:49,802 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-23 18:38:49,802 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,802 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,802 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,802 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-23 18:38:49,803 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-23 18:38:49,803 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-23 18:38:49,803 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-23 18:38:49,803 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-23 18:38:49,803 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-23 18:38:49,803 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-23 18:38:49,803 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-23 18:38:49,803 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-23 18:38:49,804 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,804 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,804 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,804 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-23 18:38:49,804 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-23 18:38:49,804 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-23 18:38:49,804 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-23 18:38:49,804 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-23 18:38:49,805 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-23 18:38:49,805 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-23 18:38:49,805 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,805 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,805 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,805 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-23 18:38:49,805 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-23 18:38:49,805 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-23 18:38:49,805 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-23 18:38:49,806 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-23 18:38:49,806 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,806 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-23 18:38:49,806 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-23 18:38:49,806 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-23 18:38:49,810 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-23 18:38:49,810 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,810 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,811 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,811 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-23 18:38:49,811 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-23 18:38:49,811 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-23 18:38:49,811 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-23 18:38:49,811 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-23 18:38:49,811 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-23 18:38:49,811 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-23 18:38:49,811 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-23 18:38:49,812 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,812 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,812 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,812 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-23 18:38:49,812 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-23 18:38:49,812 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-23 18:38:49,812 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-23 18:38:49,812 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-23 18:38:49,812 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-23 18:38:49,812 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-23 18:38:49,813 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-23 18:38:49,813 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,813 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,813 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,813 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-23 18:38:49,813 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 874) the Hoare annotation is: (let ((.cse0 (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)))) (and (or .cse0 (not (<= 9 |old(~a21~0)|))) (or .cse0 (= 6 |old(~a15~0)|)) (or .cse0 (not (<= |old(~a21~0)| 6))) (or .cse0 (not (<= 12 |old(~a12~0)|))))) [2020-10-23 18:38:49,816 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-23 18:38:49,816 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-23 18:38:49,816 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-23 18:38:49,817 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-23 18:38:49,817 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-23 18:38:49,817 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-23 18:38:49,817 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-23 18:38:49,817 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,817 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,817 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,817 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-23 18:38:49,818 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-23 18:38:49,818 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-23 18:38:49,818 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-23 18:38:49,818 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-23 18:38:49,818 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-23 18:38:49,818 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-23 18:38:49,818 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-23 18:38:49,818 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,818 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,818 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,819 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-23 18:38:49,819 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-23 18:38:49,819 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-23 18:38:49,819 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-23 18:38:49,819 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-23 18:38:49,819 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-23 18:38:49,819 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-23 18:38:49,819 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-23 18:38:49,819 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,819 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,820 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,820 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-23 18:38:49,820 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-23 18:38:49,820 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-23 18:38:49,820 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-23 18:38:49,820 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-23 18:38:49,820 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-23 18:38:49,820 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-23 18:38:49,820 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-23 18:38:49,820 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,821 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,821 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,821 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-23 18:38:49,821 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-23 18:38:49,821 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-23 18:38:49,821 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-23 18:38:49,821 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-23 18:38:49,821 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-23 18:38:49,821 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-23 18:38:49,821 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-23 18:38:49,822 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,822 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,822 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-23 18:38:49,822 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-23 18:38:49,822 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-23 18:38:49,822 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-23 18:38:49,822 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-23 18:38:49,822 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-23 18:38:49,822 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-23 18:38:49,822 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-23 18:38:49,823 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,823 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,823 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-23 18:38:49,823 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-23 18:38:49,823 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-23 18:38:49,823 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-23 18:38:49,823 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-23 18:38:49,823 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-23 18:38:49,823 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,823 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,824 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-23 18:38:49,824 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-23 18:38:49,824 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-23 18:38:49,824 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-23 18:38:49,824 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-23 18:38:49,824 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-23 18:38:49,824 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-23 18:38:49,824 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-23 18:38:49,824 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,824 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,824 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-23 18:38:49,824 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-23 18:38:49,824 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-23 18:38:49,825 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-23 18:38:49,825 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,825 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-23 18:38:49,825 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-23 18:38:49,825 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-23 18:38:49,825 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,825 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,825 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-23 18:38:49,825 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-23 18:38:49,825 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-23 18:38:49,826 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-23 18:38:49,826 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-23 18:38:49,826 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-23 18:38:49,826 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,826 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,826 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-23 18:38:49,826 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,826 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-23 18:38:49,827 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-23 18:38:49,827 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-23 18:38:49,827 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-23 18:38:49,827 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-23 18:38:49,827 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-23 18:38:49,827 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-23 18:38:49,827 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-23 18:38:49,827 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-23 18:38:49,827 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-23 18:38:49,828 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,828 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,828 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,828 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-23 18:38:49,828 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-23 18:38:49,828 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-23 18:38:49,828 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-23 18:38:49,828 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-23 18:38:49,828 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-23 18:38:49,828 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-23 18:38:49,829 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-23 18:38:49,829 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,829 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,829 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,829 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-23 18:38:49,829 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-23 18:38:49,829 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-23 18:38:49,829 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-23 18:38:49,830 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-23 18:38:49,830 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-23 18:38:49,830 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-23 18:38:49,830 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-23 18:38:49,830 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,830 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,830 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,830 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-23 18:38:49,830 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-23 18:38:49,831 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-23 18:38:49,831 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-23 18:38:49,831 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-23 18:38:49,831 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-23 18:38:49,831 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-23 18:38:49,831 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-23 18:38:49,831 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-23 18:38:49,831 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,831 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,831 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:38:49,831 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:38:49,832 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 8 ~a15~0) (<= ~a15~0 8)) [2020-10-23 18:38:49,832 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:38:49,832 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:38:49,832 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 876 892) the Hoare annotation is: (or (not (<= 8 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (and (<= 8 ~a15~0) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (<= ~a15~0 8) (= ~a12~0 |old(~a12~0)|))) [2020-10-23 18:38:49,832 INFO L270 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (or (<= 9 ~a21~0) (<= 12 ~a12~0) (not (<= 8 |old(~a15~0)|)) (not (= ~a15~0 6)) (not (<= |old(~a15~0)| 8)) (<= ~a21~0 6)) [2020-10-23 18:38:49,832 INFO L274 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2020-10-23 18:38:49,832 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 876 892) no Hoare annotation was computed. [2020-10-23 18:38:49,832 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-23 18:38:49,833 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (or (<= 9 ~a21~0) (<= 12 ~a12~0) (not (<= 8 |old(~a15~0)|)) (not (= ~a15~0 6)) (not (<= |old(~a15~0)| 8)) (<= ~a21~0 6)) [2020-10-23 18:38:49,833 INFO L274 CegarLoopResult]: For program point L882-3(lines 876 892) no Hoare annotation was computed. [2020-10-23 18:38:49,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:38:49 BoogieIcfgContainer [2020-10-23 18:38:49,850 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:38:49,851 INFO L168 Benchmark]: Toolchain (without parser) took 22071.17 ms. Allocated memory was 157.3 MB in the beginning and 343.9 MB in the end (delta: 186.6 MB). Free memory was 130.2 MB in the beginning and 161.3 MB in the end (delta: -31.2 MB). Peak memory consumption was 203.7 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:49,852 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory was 99.5 MB in the beginning and 99.4 MB in the end (delta: 120.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:38:49,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 941.00 ms. Allocated memory is still 157.3 MB. Free memory was 129.6 MB in the beginning and 128.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:49,854 INFO L168 Benchmark]: Boogie Preprocessor took 195.38 ms. Allocated memory is still 157.3 MB. Free memory was 128.6 MB in the beginning and 122.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:49,855 INFO L168 Benchmark]: RCFGBuilder took 2234.92 ms. Allocated memory is still 157.3 MB. Free memory was 122.9 MB in the beginning and 128.6 MB in the end (delta: -5.7 MB). Peak memory consumption was 78.0 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:49,856 INFO L168 Benchmark]: TraceAbstraction took 18680.12 ms. Allocated memory was 157.3 MB in the beginning and 343.9 MB in the end (delta: 186.6 MB). Free memory was 128.1 MB in the beginning and 161.3 MB in the end (delta: -33.3 MB). Peak memory consumption was 200.1 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:49,859 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 125.8 MB. Free memory was 99.5 MB in the beginning and 99.4 MB in the end (delta: 120.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 941.00 ms. Allocated memory is still 157.3 MB. Free memory was 129.6 MB in the beginning and 128.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 195.38 ms. Allocated memory is still 157.3 MB. Free memory was 128.6 MB in the beginning and 122.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2234.92 ms. Allocated memory is still 157.3 MB. Free memory was 122.9 MB in the beginning and 128.6 MB in the end (delta: -5.7 MB). Peak memory consumption was 78.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 18680.12 ms. Allocated memory was 157.3 MB in the beginning and 343.9 MB in the end (delta: 186.6 MB). Free memory was 128.1 MB in the beginning and 161.3 MB in the end (delta: -33.3 MB). Peak memory consumption was 200.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: ((((9 <= a21 || 12 <= a12) || !(8 <= \old(a15))) || !(a15 == 6)) || !(\old(a15) <= 8)) || a21 <= 6 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.2s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1248 SDtfs, 2542 SDslu, 118 SDs, 0 SdLazy, 4217 SolverSat, 1359 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 908 GetRequests, 874 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1673occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 760 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 98 PreInvPairs, 128 NumberOfFragments, 227 HoareAnnotationTreeSize, 98 FomulaSimplifications, 6652 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1859 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1854 NumberOfCodeBlocks, 1854 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1844 ConstructedInterpolants, 0 QuantifiedInterpolants, 618096 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1802 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 984/991 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...