/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:37:21,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:37:21,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:37:21,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 18:37:21,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:37:21,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:37:21,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:37:21,560 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 18:37:21,590 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:37:21,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:37:21,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:37:21,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:37:21,593 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:37:21,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:37:21,594 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:37:21,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:37:21,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:37:21,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:37:21,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:37:21,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:37:21,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:37:21,596 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:37:21,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:37:21,596 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:37:21,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:37:21,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:37:21,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:37:21,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:37:21,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:37:21,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:37:21,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:37:21,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:37:21,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:37:21,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:37:21,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:37:21,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:37:21,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:37:21,600 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:37:21,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:37:22,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:37:22,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:37:22,019 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:37:22,020 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:37:22,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label44.c [2020-10-23 18:37:22,120 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d309472/5214945ef0e54aca8c8f1f1e401ef3c3/FLAG95975532a [2020-10-23 18:37:22,897 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:37:22,898 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label44.c [2020-10-23 18:37:22,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d309472/5214945ef0e54aca8c8f1f1e401ef3c3/FLAG95975532a [2020-10-23 18:37:23,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d309472/5214945ef0e54aca8c8f1f1e401ef3c3 [2020-10-23 18:37:23,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:37:23,176 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:37:23,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:37:23,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:37:23,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:37:23,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:37:23" (1/1) ... [2020-10-23 18:37:23,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a0da84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:23, skipping insertion in model container [2020-10-23 18:37:23,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:37:23" (1/1) ... [2020-10-23 18:37:23,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:37:23,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:37:23,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:37:23,724 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:37:23,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:37:23,957 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:37:23,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:23 WrapperNode [2020-10-23 18:37:23,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:37:23,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:37:23,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:37:23,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:37:23,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:23" (1/1) ... [2020-10-23 18:37:23,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:23" (1/1) ... [2020-10-23 18:37:23,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:23" (1/1) ... [2020-10-23 18:37:23,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:23" (1/1) ... [2020-10-23 18:37:24,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:23" (1/1) ... [2020-10-23 18:37:24,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:23" (1/1) ... [2020-10-23 18:37:24,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:23" (1/1) ... [2020-10-23 18:37:24,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:37:24,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:37:24,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:37:24,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:37:24,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:23" (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 18:37:24,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:37:24,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:37:24,168 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:37:24,168 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:37:24,168 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:37:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:37:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:37:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:37:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:37:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:37:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:37:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:37:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:37:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:37:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:37:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:37:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:37:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:37:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:37:25,657 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:37:25,657 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:37:25,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:37:25 BoogieIcfgContainer [2020-10-23 18:37:25,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:37:25,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:37:25,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:37:25,666 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:37:25,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:37:23" (1/3) ... [2020-10-23 18:37:25,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27387964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:37:25, skipping insertion in model container [2020-10-23 18:37:25,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:23" (2/3) ... [2020-10-23 18:37:25,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27387964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:37:25, skipping insertion in model container [2020-10-23 18:37:25,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:37:25" (3/3) ... [2020-10-23 18:37:25,670 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label44.c [2020-10-23 18:37:25,684 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:37:25,690 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:37:25,705 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:37:25,736 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:37:25,736 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:37:25,736 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:37:25,737 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:37:25,737 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:37:25,737 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:37:25,737 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:37:25,737 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:37:25,761 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-23 18:37:25,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-23 18:37:25,773 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:25,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:37:25,774 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:25,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:25,782 INFO L82 PathProgramCache]: Analyzing trace with hash -606785844, now seen corresponding path program 1 times [2020-10-23 18:37:25,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:25,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897694126] [2020-10-23 18:37:25,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:26,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:26,308 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 18:37:26,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897694126] [2020-10-23 18:37:26,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:37:26,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 18:37:26,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439205070] [2020-10-23 18:37:26,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:37:26,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:26,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:37:26,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:37:26,341 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 5 states. [2020-10-23 18:37:29,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:37:29,004 INFO L93 Difference]: Finished difference Result 735 states and 1307 transitions. [2020-10-23 18:37:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 18:37:29,006 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-10-23 18:37:29,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:37:29,044 INFO L225 Difference]: With dead ends: 735 [2020-10-23 18:37:29,044 INFO L226 Difference]: Without dead ends: 448 [2020-10-23 18:37:29,061 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 18:37:29,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-10-23 18:37:29,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2020-10-23 18:37:29,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-10-23 18:37:29,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 673 transitions. [2020-10-23 18:37:29,178 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 673 transitions. Word has length 64 [2020-10-23 18:37:29,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:37:29,178 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 673 transitions. [2020-10-23 18:37:29,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:37:29,179 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 673 transitions. [2020-10-23 18:37:29,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-23 18:37:29,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:29,188 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-23 18:37:29,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:37:29,189 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:29,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:29,189 INFO L82 PathProgramCache]: Analyzing trace with hash -2064466596, now seen corresponding path program 1 times [2020-10-23 18:37:29,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:29,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626747339] [2020-10-23 18:37:29,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:29,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:29,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:37:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:29,723 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:37:29,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626747339] [2020-10-23 18:37:29,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:37:29,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:37:29,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601147981] [2020-10-23 18:37:29,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:37:29,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:29,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:37:29,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:37:29,728 INFO L87 Difference]: Start difference. First operand 442 states and 673 transitions. Second operand 8 states. [2020-10-23 18:37:31,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:37:31,788 INFO L93 Difference]: Finished difference Result 1043 states and 1614 transitions. [2020-10-23 18:37:31,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:37:31,790 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 137 [2020-10-23 18:37:31,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:37:31,798 INFO L225 Difference]: With dead ends: 1043 [2020-10-23 18:37:31,798 INFO L226 Difference]: Without dead ends: 607 [2020-10-23 18:37:31,801 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 18:37:31,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2020-10-23 18:37:31,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 593. [2020-10-23 18:37:31,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2020-10-23 18:37:31,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 830 transitions. [2020-10-23 18:37:31,853 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 830 transitions. Word has length 137 [2020-10-23 18:37:31,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:37:31,853 INFO L481 AbstractCegarLoop]: Abstraction has 593 states and 830 transitions. [2020-10-23 18:37:31,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:37:31,854 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 830 transitions. [2020-10-23 18:37:31,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-23 18:37:31,858 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:31,859 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-23 18:37:31,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:37:31,859 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:31,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:31,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1831936336, now seen corresponding path program 1 times [2020-10-23 18:37:31,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:31,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399671992] [2020-10-23 18:37:31,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:32,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:32,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:37:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:32,335 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:37:32,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399671992] [2020-10-23 18:37:32,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294618839] [2020-10-23 18:37:32,336 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 18:37:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:32,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-23 18:37:32,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:37:32,598 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 18:37:32,720 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-23 18:37:32,753 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-23 18:37:32,968 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 18:37:33,151 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 3 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:37:33,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:37:33,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2020-10-23 18:37:33,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942295611] [2020-10-23 18:37:33,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-23 18:37:33,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:33,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-23 18:37:33,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:37:33,157 INFO L87 Difference]: Start difference. First operand 593 states and 830 transitions. Second operand 12 states. [2020-10-23 18:37:34,471 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2020-10-23 18:37:34,770 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-10-23 18:37:38,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:37:38,636 INFO L93 Difference]: Finished difference Result 2317 states and 3648 transitions. [2020-10-23 18:37:38,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-23 18:37:38,637 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 143 [2020-10-23 18:37:38,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:37:38,666 INFO L225 Difference]: With dead ends: 2317 [2020-10-23 18:37:38,666 INFO L226 Difference]: Without dead ends: 1703 [2020-10-23 18:37:38,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 142 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=139, Invalid=367, Unknown=0, NotChecked=0, Total=506 [2020-10-23 18:37:38,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1703 states. [2020-10-23 18:37:38,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1703 to 1489. [2020-10-23 18:37:38,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1489 states. [2020-10-23 18:37:38,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1489 states and 2086 transitions. [2020-10-23 18:37:38,798 INFO L78 Accepts]: Start accepts. Automaton has 1489 states and 2086 transitions. Word has length 143 [2020-10-23 18:37:38,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:37:38,799 INFO L481 AbstractCegarLoop]: Abstraction has 1489 states and 2086 transitions. [2020-10-23 18:37:38,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-23 18:37:38,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 2086 transitions. [2020-10-23 18:37:38,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-23 18:37:38,806 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:38,806 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-23 18:37:39,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-23 18:37:39,021 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:39,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:39,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1904850216, now seen corresponding path program 1 times [2020-10-23 18:37:39,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:39,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047764629] [2020-10-23 18:37:39,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:39,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:39,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:37:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:39,283 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:37:39,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047764629] [2020-10-23 18:37:39,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:37:39,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:37:39,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526394308] [2020-10-23 18:37:39,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:37:39,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:39,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:37:39,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:37:39,287 INFO L87 Difference]: Start difference. First operand 1489 states and 2086 transitions. Second operand 7 states. [2020-10-23 18:37:41,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:37:41,341 INFO L93 Difference]: Finished difference Result 3741 states and 5421 transitions. [2020-10-23 18:37:41,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 18:37:41,342 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2020-10-23 18:37:41,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:37:41,360 INFO L225 Difference]: With dead ends: 3741 [2020-10-23 18:37:41,360 INFO L226 Difference]: Without dead ends: 2258 [2020-10-23 18:37:41,367 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-23 18:37:41,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2258 states. [2020-10-23 18:37:41,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2258 to 2085. [2020-10-23 18:37:41,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2085 states. [2020-10-23 18:37:41,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 2799 transitions. [2020-10-23 18:37:41,454 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 2799 transitions. Word has length 154 [2020-10-23 18:37:41,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:37:41,455 INFO L481 AbstractCegarLoop]: Abstraction has 2085 states and 2799 transitions. [2020-10-23 18:37:41,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:37:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2799 transitions. [2020-10-23 18:37:41,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-23 18:37:41,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:41,460 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:37:41,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 18:37:41,461 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:41,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:41,461 INFO L82 PathProgramCache]: Analyzing trace with hash -325028020, now seen corresponding path program 1 times [2020-10-23 18:37:41,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:41,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838612644] [2020-10-23 18:37:41,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:41,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:41,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:37:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:41,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-23 18:37:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:41,770 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:37:41,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838612644] [2020-10-23 18:37:41,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451515269] [2020-10-23 18:37:41,771 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 18:37:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:41,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:37:41,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:37:42,106 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 180 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:37:42,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:37:42,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-10-23 18:37:42,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021006411] [2020-10-23 18:37:42,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:37:42,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:42,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:37:42,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:37:42,109 INFO L87 Difference]: Start difference. First operand 2085 states and 2799 transitions. Second operand 10 states. [2020-10-23 18:37:46,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:37:46,009 INFO L93 Difference]: Finished difference Result 6054 states and 9133 transitions. [2020-10-23 18:37:46,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-23 18:37:46,010 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 213 [2020-10-23 18:37:46,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:37:46,046 INFO L225 Difference]: With dead ends: 6054 [2020-10-23 18:37:46,046 INFO L226 Difference]: Without dead ends: 3975 [2020-10-23 18:37:46,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2020-10-23 18:37:46,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3975 states. [2020-10-23 18:37:46,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3975 to 3484. [2020-10-23 18:37:46,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3484 states. [2020-10-23 18:37:46,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3484 states to 3484 states and 4790 transitions. [2020-10-23 18:37:46,248 INFO L78 Accepts]: Start accepts. Automaton has 3484 states and 4790 transitions. Word has length 213 [2020-10-23 18:37:46,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:37:46,249 INFO L481 AbstractCegarLoop]: Abstraction has 3484 states and 4790 transitions. [2020-10-23 18:37:46,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:37:46,249 INFO L276 IsEmpty]: Start isEmpty. Operand 3484 states and 4790 transitions. [2020-10-23 18:37:46,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-10-23 18:37:46,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:46,264 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-23 18:37:46,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:37:46,480 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:46,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:46,481 INFO L82 PathProgramCache]: Analyzing trace with hash -830830488, now seen corresponding path program 1 times [2020-10-23 18:37:46,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:46,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703536829] [2020-10-23 18:37:46,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:46,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:46,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:37:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:46,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-23 18:37:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:46,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-23 18:37:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:47,366 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 126 proven. 60 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2020-10-23 18:37:47,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703536829] [2020-10-23 18:37:47,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627353080] [2020-10-23 18:37:47,368 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 18:37:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:47,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-23 18:37:47,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:37:47,754 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 18:37:47,767 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-23 18:37:47,815 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-23 18:37:48,811 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 19 proven. 170 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2020-10-23 18:37:48,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:37:48,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6] total 16 [2020-10-23 18:37:48,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466975613] [2020-10-23 18:37:48,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-23 18:37:48,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:48,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-23 18:37:48,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2020-10-23 18:37:48,814 INFO L87 Difference]: Start difference. First operand 3484 states and 4790 transitions. Second operand 16 states. [2020-10-23 18:37:49,022 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2020-10-23 18:37:49,817 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2020-10-23 18:37:50,862 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2020-10-23 18:37:54,423 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2020-10-23 18:37:56,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:37:56,506 INFO L93 Difference]: Finished difference Result 8709 states and 12574 transitions. [2020-10-23 18:37:56,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-23 18:37:56,507 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 299 [2020-10-23 18:37:56,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:37:56,509 INFO L225 Difference]: With dead ends: 8709 [2020-10-23 18:37:56,509 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:37:56,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 302 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=259, Invalid=671, Unknown=0, NotChecked=0, Total=930 [2020-10-23 18:37:56,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:37:56,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:37:56,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:37:56,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:37:56,550 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 299 [2020-10-23 18:37:56,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:37:56,551 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:37:56,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-23 18:37:56,551 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:37:56,551 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:37:56,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:37:56,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:37:57,278 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 200 [2020-10-23 18:37:58,524 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 200 [2020-10-23 18:37:58,653 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 30 [2020-10-23 18:37:59,230 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 48 [2020-10-23 18:38:00,297 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 226 DAG size of output: 55 [2020-10-23 18:38:00,665 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 46 [2020-10-23 18:38:01,227 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 48 [2020-10-23 18:38:01,231 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:38:01,231 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:38:01,231 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:38:01,232 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:38:01,232 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:38:01,232 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|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-23 18:38:01,232 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:38:01,232 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-23 18:38:01,232 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-23 18:38:01,233 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-23 18:38:01,233 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-23 18:38:01,233 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-23 18:38:01,233 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-23 18:38:01,233 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-23 18:38:01,233 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-23 18:38:01,233 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-23 18:38:01,233 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-23 18:38:01,234 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-23 18:38:01,234 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-23 18:38:01,234 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-23 18:38:01,234 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,234 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,234 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,234 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,234 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,235 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,235 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-23 18:38:01,235 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-23 18:38:01,235 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-23 18:38:01,235 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-23 18:38:01,235 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-23 18:38:01,235 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-23 18:38:01,235 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-23 18:38:01,235 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-23 18:38:01,235 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-23 18:38:01,235 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-23 18:38:01,236 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-23 18:38:01,236 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,236 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,236 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,236 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,236 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,236 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-23 18:38:01,236 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-23 18:38:01,236 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-23 18:38:01,236 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-23 18:38:01,236 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-23 18:38:01,236 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-23 18:38:01,237 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-23 18:38:01,237 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-23 18:38:01,237 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-23 18:38:01,237 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-23 18:38:01,237 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-23 18:38:01,237 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-23 18:38:01,237 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-23 18:38:01,237 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-23 18:38:01,237 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,238 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,238 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,238 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,238 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,238 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-23 18:38:01,238 INFO L270 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (= 14 ~a4~0))) (.cse1 (not (= ~a12~0 0)))) (and (or .cse0 (= 8 |old(~a19~0)|) .cse1) (or .cse0 (forall ((aux_div_aux_mod_v_~a1~0_347_19_30 Int) (v_prenex_2 Int)) (let ((.cse2 (* 5 aux_div_aux_mod_v_~a1~0_347_19_30))) (or (not (< .cse2 5)) (not (< 0 (+ .cse2 (* 5 v_prenex_2) 13))) (not (<= (+ v_prenex_2 331501) |old(~a1~0)|)) (not (<= 0 .cse2))))) .cse1) (or (not (<= 2 |old(~a10~0)|)) .cse0 .cse1) (or (not (<= 23 |old(~a1~0)|)) .cse0 (not (= 0 |old(~a10~0)|)) .cse1))) [2020-10-23 18:38:01,238 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-23 18:38:01,239 INFO L274 CegarLoopResult]: For program point L177-1(line 177) no Hoare annotation was computed. [2020-10-23 18:38:01,239 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-23 18:38:01,239 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-23 18:38:01,239 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-23 18:38:01,239 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-23 18:38:01,239 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-23 18:38:01,239 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-23 18:38:01,239 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-23 18:38:01,239 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,240 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,240 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,240 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,240 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,240 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-23 18:38:01,240 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-23 18:38:01,240 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-23 18:38:01,240 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-23 18:38:01,240 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-23 18:38:01,240 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-23 18:38:01,241 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-23 18:38:01,241 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-23 18:38:01,241 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-23 18:38:01,241 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-23 18:38:01,241 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-23 18:38:01,241 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-23 18:38:01,241 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-23 18:38:01,241 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,241 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,242 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,242 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,242 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,242 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-23 18:38:01,242 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-23 18:38:01,242 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-23 18:38:01,242 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-23 18:38:01,242 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-23 18:38:01,242 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,243 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,243 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-23 18:38:01,243 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-23 18:38:01,243 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-23 18:38:01,243 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-23 18:38:01,243 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,243 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,243 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,243 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,243 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,244 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-23 18:38:01,244 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-23 18:38:01,244 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-23 18:38:01,244 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-23 18:38:01,244 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-23 18:38:01,244 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-23 18:38:01,244 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-23 18:38:01,244 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-23 18:38:01,244 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-23 18:38:01,245 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-23 18:38:01,245 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-23 18:38:01,245 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-23 18:38:01,245 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-23 18:38:01,245 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,245 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,245 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,245 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,245 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-23 18:38:01,245 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,246 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,246 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-23 18:38:01,246 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-23 18:38:01,246 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-23 18:38:01,246 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-23 18:38:01,246 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-23 18:38:01,246 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-23 18:38:01,246 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-23 18:38:01,246 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-23 18:38:01,246 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-23 18:38:01,246 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-23 18:38:01,247 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-23 18:38:01,247 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-23 18:38:01,247 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-23 18:38:01,247 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,247 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,247 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,247 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,247 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,247 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,247 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-23 18:38:01,247 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 (= 8 |old(~a19~0)|) .cse2) (or (not (<= 23 |old(~a1~0)|)) .cse0 .cse1 (not (= 0 |old(~a10~0)|)) .cse2) (or .cse0 .cse1 (forall ((aux_div_aux_mod_v_~a1~0_347_19_30 Int) (v_prenex_2 Int)) (let ((.cse3 (* 5 aux_div_aux_mod_v_~a1~0_347_19_30))) (or (not (< .cse3 5)) (not (< 0 (+ .cse3 (* 5 v_prenex_2) 13))) (not (<= (+ v_prenex_2 331501) |old(~a1~0)|)) (not (<= 0 .cse3))))) .cse2) (or .cse0 (not (<= 2 |old(~a10~0)|)) .cse1 .cse2))) [2020-10-23 18:38:01,248 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-23 18:38:01,248 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-23 18:38:01,248 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-23 18:38:01,248 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-23 18:38:01,248 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-23 18:38:01,248 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-23 18:38:01,248 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-23 18:38:01,248 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-23 18:38:01,248 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-23 18:38:01,248 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-23 18:38:01,248 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-23 18:38:01,248 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-23 18:38:01,248 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-23 18:38:01,249 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,249 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,249 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,249 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,249 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,249 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,249 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-23 18:38:01,249 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-23 18:38:01,249 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-23 18:38:01,249 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-23 18:38:01,249 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-23 18:38:01,249 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-23 18:38:01,249 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-23 18:38:01,250 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-23 18:38:01,250 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-23 18:38:01,250 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-23 18:38:01,250 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-23 18:38:01,250 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-23 18:38:01,250 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-23 18:38:01,250 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,250 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,250 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,250 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,250 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,250 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,250 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-23 18:38:01,250 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-23 18:38:01,250 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-23 18:38:01,251 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-23 18:38:01,251 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-23 18:38:01,251 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-23 18:38:01,251 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-23 18:38:01,251 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-23 18:38:01,251 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-23 18:38:01,251 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-23 18:38:01,251 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-23 18:38:01,251 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-23 18:38:01,251 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,251 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,251 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,251 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,251 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,251 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:01,252 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:38:01,252 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a4~0 14) (<= 23 ~a1~0) (<= 9 ~a19~0) (= ~a10~0 0) (= ~a12~0 0) (<= ~a19~0 9)) [2020-10-23 18:38:01,252 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:38:01,252 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:38:01,252 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (not (= 0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-10-23 18:38:01,252 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-23 18:38:01,252 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (= ~a19~0 8)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (= ~a10~0 0)) (exists ((aux_div_aux_mod_v_~a1~0_347_19_30 Int) (v_prenex_2 Int)) (let ((.cse0 (* 5 aux_div_aux_mod_v_~a1~0_347_19_30))) (and (<= (+ v_prenex_2 331501) ~a1~0) (< 0 (+ .cse0 (* 5 v_prenex_2) 13)) (< .cse0 5) (<= 0 .cse0)))) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (<= 2 ~a10~0) (not (= ~a12~0 0))) [2020-10-23 18:38:01,252 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-23 18:38:01,252 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-23 18:38:01,253 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (= ~a19~0 8)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (= ~a10~0 0)) (exists ((aux_div_aux_mod_v_~a1~0_347_19_30 Int) (v_prenex_2 Int)) (let ((.cse0 (* 5 aux_div_aux_mod_v_~a1~0_347_19_30))) (and (<= (+ v_prenex_2 331501) ~a1~0) (< 0 (+ .cse0 (* 5 v_prenex_2) 13)) (< .cse0 5) (<= 0 .cse0)))) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (<= 2 ~a10~0) (not (= ~a12~0 0))) [2020-10-23 18:38:01,253 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-23 18:38:01,263 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-10-23 18:38:01,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:01,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-10-23 18:38:01,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:01,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:01,273 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-10-23 18:38:01,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:01,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-10-23 18:38:01,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:01,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:01,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:38:01 BoogieIcfgContainer [2020-10-23 18:38:01,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:38:01,280 INFO L168 Benchmark]: Toolchain (without parser) took 38108.07 ms. Allocated memory was 162.5 MB in the beginning and 549.5 MB in the end (delta: 386.9 MB). Free memory was 136.2 MB in the beginning and 499.3 MB in the end (delta: -363.1 MB). Peak memory consumption was 328.6 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:01,280 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 162.5 MB. Free memory is still 135.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:38:01,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 778.04 ms. Allocated memory is still 162.5 MB. Free memory was 135.6 MB in the beginning and 139.2 MB in the end (delta: -3.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:01,282 INFO L168 Benchmark]: Boogie Preprocessor took 121.02 ms. Allocated memory is still 162.5 MB. Free memory was 139.2 MB in the beginning and 134.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:01,283 INFO L168 Benchmark]: RCFGBuilder took 1579.82 ms. Allocated memory is still 162.5 MB. Free memory was 134.5 MB in the beginning and 120.0 MB in the end (delta: 14.5 MB). Peak memory consumption was 88.1 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:01,283 INFO L168 Benchmark]: TraceAbstraction took 35615.59 ms. Allocated memory was 162.5 MB in the beginning and 549.5 MB in the end (delta: 386.9 MB). Free memory was 119.5 MB in the beginning and 499.3 MB in the end (delta: -379.9 MB). Peak memory consumption was 311.7 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:01,287 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 162.5 MB. Free memory is still 135.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 778.04 ms. Allocated memory is still 162.5 MB. Free memory was 135.6 MB in the beginning and 139.2 MB in the end (delta: -3.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 121.02 ms. Allocated memory is still 162.5 MB. Free memory was 139.2 MB in the beginning and 134.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1579.82 ms. Allocated memory is still 162.5 MB. Free memory was 134.5 MB in the beginning and 120.0 MB in the end (delta: 14.5 MB). Peak memory consumption was 88.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 35615.59 ms. Allocated memory was 162.5 MB in the beginning and 549.5 MB in the end (delta: 386.9 MB). Free memory was 119.5 MB in the beginning and 499.3 MB in the end (delta: -379.9 MB). Peak memory consumption was 311.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant [2020-10-23 18:38:01,299 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-10-23 18:38:01,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:01,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-10-23 18:38:01,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:01,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:01,301 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-10-23 18:38:01,301 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:01,301 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-10-23 18:38:01,301 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:01,302 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] Derived loop invariant: ((((((((!(23 <= \old(a1)) || !(a19 == 8)) || !(9 <= \old(a19))) || (23 <= a1 && a10 == 0)) || (\exists aux_div_aux_mod_v_~a1~0_347_19_30 : int, v_prenex_2 : int :: ((v_prenex_2 + 331501 <= a1 && 0 < 5 * aux_div_aux_mod_v_~a1~0_347_19_30 + 5 * v_prenex_2 + 13) && 5 * aux_div_aux_mod_v_~a1~0_347_19_30 < 5) && 0 <= 5 * aux_div_aux_mod_v_~a1~0_347_19_30)) || !(14 == a4)) || !(\old(a19) <= 9)) || !(0 == \old(a10))) || 2 <= a10) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.0s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 24.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 181 SDtfs, 5300 SDslu, 380 SDs, 0 SdLazy, 10012 SolverSat, 2155 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 772 GetRequests, 676 SyntacticMatches, 2 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3484occurred 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: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 898 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 320 PreInvPairs, 478 NumberOfFragments, 458 HoareAnnotationTreeSize, 320 FomulaSimplifications, 120131 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 11164 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1665 NumberOfCodeBlocks, 1665 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1656 ConstructedInterpolants, 61 QuantifiedInterpolants, 1912645 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1382 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 1058/1362 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...