/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_label37.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:37:01,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:37:01,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:37:01,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 18:37:01,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:37:01,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:37:01,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:37:01,526 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 18:37:01,591 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:37:01,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:37:01,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:37:01,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:37:01,597 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:37:01,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:37:01,597 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:37:01,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:37:01,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:37:01,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:37:01,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:37:01,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:37:01,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:37:01,600 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:37:01,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:37:01,600 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:37:01,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:37:01,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:37:01,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:37:01,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:37:01,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:37:01,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:37:01,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:37:01,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:37:01,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:37:01,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:37:01,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:37:01,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:37:01,603 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:37:01,603 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:37:02,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:37:02,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:37:02,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:37:02,112 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:37:02,113 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:37:02,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label37.c [2020-10-23 18:37:02,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d10c38afa/f551559e0ea44c7680fbefea5023e54c/FLAG0b17bcdec [2020-10-23 18:37:03,166 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:37:03,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label37.c [2020-10-23 18:37:03,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d10c38afa/f551559e0ea44c7680fbefea5023e54c/FLAG0b17bcdec [2020-10-23 18:37:03,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d10c38afa/f551559e0ea44c7680fbefea5023e54c [2020-10-23 18:37:03,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:37:03,364 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:37:03,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:37:03,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:37:03,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:37:03,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:37:03" (1/1) ... [2020-10-23 18:37:03,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ca349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:03, skipping insertion in model container [2020-10-23 18:37:03,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:37:03" (1/1) ... [2020-10-23 18:37:03,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:37:03,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:37:03,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:37:03,929 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:37:04,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:37:04,128 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:37:04,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:04 WrapperNode [2020-10-23 18:37:04,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:37:04,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:37:04,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:37:04,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:37:04,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:04" (1/1) ... [2020-10-23 18:37:04,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:04" (1/1) ... [2020-10-23 18:37:04,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:04" (1/1) ... [2020-10-23 18:37:04,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:04" (1/1) ... [2020-10-23 18:37:04,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:04" (1/1) ... [2020-10-23 18:37:04,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:04" (1/1) ... [2020-10-23 18:37:04,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:04" (1/1) ... [2020-10-23 18:37:04,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:37:04,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:37:04,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:37:04,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:37:04,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:04" (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 18:37:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:37:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:37:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:37:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:37:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:37:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:37:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:37:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:37:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:37:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:37:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:37:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:37:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:37:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:37:04,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:37:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:37:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:37:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:37:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:37:06,407 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:37:06,408 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:37:06,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:37:06 BoogieIcfgContainer [2020-10-23 18:37:06,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:37:06,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:37:06,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:37:06,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:37:06,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:37:03" (1/3) ... [2020-10-23 18:37:06,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfc5bb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:37:06, skipping insertion in model container [2020-10-23 18:37:06,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:04" (2/3) ... [2020-10-23 18:37:06,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfc5bb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:37:06, skipping insertion in model container [2020-10-23 18:37:06,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:37:06" (3/3) ... [2020-10-23 18:37:06,422 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label37.c [2020-10-23 18:37:06,436 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:37:06,443 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:37:06,458 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:37:06,493 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:37:06,493 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:37:06,494 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:37:06,494 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:37:06,494 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:37:06,494 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:37:06,494 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:37:06,494 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:37:06,527 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-23 18:37:06,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-23 18:37:06,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:06,540 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] [2020-10-23 18:37:06,541 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:06,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:06,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1214644270, now seen corresponding path program 1 times [2020-10-23 18:37:06,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:06,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469160244] [2020-10-23 18:37:06,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:07,150 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-23 18:37:07,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:07,199 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 18:37:07,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469160244] [2020-10-23 18:37:07,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:37:07,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 18:37:07,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991962976] [2020-10-23 18:37:07,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:37:07,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:07,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:37:07,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:37:07,232 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-23 18:37:07,405 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-23 18:37:09,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:37:09,851 INFO L93 Difference]: Finished difference Result 601 states and 1027 transitions. [2020-10-23 18:37:09,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 18:37:09,854 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2020-10-23 18:37:09,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:37:09,889 INFO L225 Difference]: With dead ends: 601 [2020-10-23 18:37:09,889 INFO L226 Difference]: Without dead ends: 303 [2020-10-23 18:37:09,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:37:09,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-23 18:37:10,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-23 18:37:10,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-23 18:37:10,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 431 transitions. [2020-10-23 18:37:10,024 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 431 transitions. Word has length 61 [2020-10-23 18:37:10,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:37:10,025 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 431 transitions. [2020-10-23 18:37:10,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:37:10,025 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 431 transitions. [2020-10-23 18:37:10,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-23 18:37:10,033 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:10,033 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, 1, 1, 1, 1, 1, 1, 1, 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 18:37:10,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:37:10,034 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:10,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:10,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1033307511, now seen corresponding path program 1 times [2020-10-23 18:37:10,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:10,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497637149] [2020-10-23 18:37:10,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:10,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:10,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:37:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:10,396 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:37:10,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497637149] [2020-10-23 18:37:10,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:37:10,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:37:10,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914710172] [2020-10-23 18:37:10,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:37:10,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:10,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:37:10,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:37:10,400 INFO L87 Difference]: Start difference. First operand 299 states and 431 transitions. Second operand 7 states. [2020-10-23 18:37:12,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:37:12,473 INFO L93 Difference]: Finished difference Result 910 states and 1353 transitions. [2020-10-23 18:37:12,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 18:37:12,474 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 135 [2020-10-23 18:37:12,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:37:12,485 INFO L225 Difference]: With dead ends: 910 [2020-10-23 18:37:12,485 INFO L226 Difference]: Without dead ends: 617 [2020-10-23 18:37:12,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-23 18:37:12,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2020-10-23 18:37:12,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 597. [2020-10-23 18:37:12,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-10-23 18:37:12,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 783 transitions. [2020-10-23 18:37:12,565 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 783 transitions. Word has length 135 [2020-10-23 18:37:12,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:37:12,566 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 783 transitions. [2020-10-23 18:37:12,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:37:12,566 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 783 transitions. [2020-10-23 18:37:12,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-23 18:37:12,571 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:12,571 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:37:12,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:37:12,571 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:12,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:12,572 INFO L82 PathProgramCache]: Analyzing trace with hash 835772877, now seen corresponding path program 1 times [2020-10-23 18:37:12,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:12,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332144870] [2020-10-23 18:37:12,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:12,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:12,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:37:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:13,098 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:37:13,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332144870] [2020-10-23 18:37:13,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731490764] [2020-10-23 18:37:13,107 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 18:37:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:13,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:37:13,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:37:13,429 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:37:13,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:37:13,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:37:13,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145704059] [2020-10-23 18:37:13,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:37:13,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:13,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:37:13,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:37:13,434 INFO L87 Difference]: Start difference. First operand 597 states and 783 transitions. Second operand 3 states. [2020-10-23 18:37:14,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:37:14,468 INFO L93 Difference]: Finished difference Result 1037 states and 1408 transitions. [2020-10-23 18:37:14,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:37:14,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2020-10-23 18:37:14,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:37:14,484 INFO L225 Difference]: With dead ends: 1037 [2020-10-23 18:37:14,485 INFO L226 Difference]: Without dead ends: 1034 [2020-10-23 18:37:14,486 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:37:14,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2020-10-23 18:37:14,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 746. [2020-10-23 18:37:14,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-10-23 18:37:14,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1023 transitions. [2020-10-23 18:37:14,559 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1023 transitions. Word has length 140 [2020-10-23 18:37:14,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:37:14,562 INFO L481 AbstractCegarLoop]: Abstraction has 746 states and 1023 transitions. [2020-10-23 18:37:14,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:37:14,562 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1023 transitions. [2020-10-23 18:37:14,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-23 18:37:14,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:14,573 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:37:14,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-23 18:37:14,788 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:14,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:14,790 INFO L82 PathProgramCache]: Analyzing trace with hash 535476183, now seen corresponding path program 1 times [2020-10-23 18:37:14,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:14,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757912502] [2020-10-23 18:37:14,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:15,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:15,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:37:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:15,355 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:37:15,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757912502] [2020-10-23 18:37:15,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:37:15,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:37:15,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824993279] [2020-10-23 18:37:15,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:37:15,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:15,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:37:15,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:37:15,362 INFO L87 Difference]: Start difference. First operand 746 states and 1023 transitions. Second operand 8 states. [2020-10-23 18:37:17,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:37:17,858 INFO L93 Difference]: Finished difference Result 2108 states and 2999 transitions. [2020-10-23 18:37:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:37:17,861 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 183 [2020-10-23 18:37:17,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:37:17,873 INFO L225 Difference]: With dead ends: 2108 [2020-10-23 18:37:17,873 INFO L226 Difference]: Without dead ends: 1368 [2020-10-23 18:37:17,877 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 18:37:17,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2020-10-23 18:37:17,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1193. [2020-10-23 18:37:17,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1193 states. [2020-10-23 18:37:17,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1581 transitions. [2020-10-23 18:37:17,963 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1581 transitions. Word has length 183 [2020-10-23 18:37:17,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:37:17,964 INFO L481 AbstractCegarLoop]: Abstraction has 1193 states and 1581 transitions. [2020-10-23 18:37:17,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:37:17,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1581 transitions. [2020-10-23 18:37:17,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-23 18:37:17,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:17,970 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, 2, 2, 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] [2020-10-23 18:37:17,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 18:37:17,970 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:17,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:17,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1745675838, now seen corresponding path program 1 times [2020-10-23 18:37:17,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:17,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860193482] [2020-10-23 18:37:17,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:18,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:18,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:37:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:18,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-23 18:37:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:18,518 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 182 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:37:18,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860193482] [2020-10-23 18:37:18,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951772775] [2020-10-23 18:37:18,519 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 18:37:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:18,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:37:18,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:37:18,901 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 183 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:37:18,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:37:18,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-10-23 18:37:18,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661694665] [2020-10-23 18:37:18,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 18:37:18,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:18,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 18:37:18,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-23 18:37:18,907 INFO L87 Difference]: Start difference. First operand 1193 states and 1581 transitions. Second operand 11 states. [2020-10-23 18:37:23,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:37:23,144 INFO L93 Difference]: Finished difference Result 3004 states and 4048 transitions. [2020-10-23 18:37:23,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-23 18:37:23,145 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 222 [2020-10-23 18:37:23,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:37:23,154 INFO L225 Difference]: With dead ends: 3004 [2020-10-23 18:37:23,154 INFO L226 Difference]: Without dead ends: 1223 [2020-10-23 18:37:23,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=184, Invalid=518, Unknown=0, NotChecked=0, Total=702 [2020-10-23 18:37:23,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2020-10-23 18:37:23,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1046. [2020-10-23 18:37:23,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1046 states. [2020-10-23 18:37:23,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1305 transitions. [2020-10-23 18:37:23,218 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1305 transitions. Word has length 222 [2020-10-23 18:37:23,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:37:23,219 INFO L481 AbstractCegarLoop]: Abstraction has 1046 states and 1305 transitions. [2020-10-23 18:37:23,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 18:37:23,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1305 transitions. [2020-10-23 18:37:23,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-23 18:37:23,224 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:23,225 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, 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] [2020-10-23 18:37:23,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:37:23,440 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:23,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:23,441 INFO L82 PathProgramCache]: Analyzing trace with hash 478641028, now seen corresponding path program 1 times [2020-10-23 18:37:23,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:23,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368950993] [2020-10-23 18:37:23,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:23,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:23,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:37:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:23,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-23 18:37:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:23,865 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 173 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:37:23,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368950993] [2020-10-23 18:37:23,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344110796] [2020-10-23 18:37:23,866 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 18:37:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:24,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:37:24,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:37:24,162 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:37:24,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:37:24,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-10-23 18:37:24,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720584354] [2020-10-23 18:37:24,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:37:24,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:24,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:37:24,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:37:24,167 INFO L87 Difference]: Start difference. First operand 1046 states and 1305 transitions. Second operand 10 states. [2020-10-23 18:37:27,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:37:27,626 INFO L93 Difference]: Finished difference Result 2986 states and 3766 transitions. [2020-10-23 18:37:27,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-23 18:37:27,627 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 229 [2020-10-23 18:37:27,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:37:27,641 INFO L225 Difference]: With dead ends: 2986 [2020-10-23 18:37:27,641 INFO L226 Difference]: Without dead ends: 1654 [2020-10-23 18:37:27,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2020-10-23 18:37:27,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2020-10-23 18:37:27,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1487. [2020-10-23 18:37:27,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1487 states. [2020-10-23 18:37:27,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1487 states and 1796 transitions. [2020-10-23 18:37:27,714 INFO L78 Accepts]: Start accepts. Automaton has 1487 states and 1796 transitions. Word has length 229 [2020-10-23 18:37:27,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:37:27,715 INFO L481 AbstractCegarLoop]: Abstraction has 1487 states and 1796 transitions. [2020-10-23 18:37:27,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:37:27,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1796 transitions. [2020-10-23 18:37:27,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-10-23 18:37:27,722 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:27,723 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:37:27,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:37:27,937 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:27,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:27,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1921989382, now seen corresponding path program 1 times [2020-10-23 18:37:27,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:27,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436593086] [2020-10-23 18:37:27,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:28,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:28,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:37:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:28,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-23 18:37:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:28,565 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 106 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 18:37:28,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436593086] [2020-10-23 18:37:28,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69269645] [2020-10-23 18:37:28,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:37:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:28,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:37:28,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:37:28,942 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-23 18:37:28,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:37:28,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:37:28,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739373299] [2020-10-23 18:37:28,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:37:28,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:28,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:37:28,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:37:28,945 INFO L87 Difference]: Start difference. First operand 1487 states and 1796 transitions. Second operand 3 states. [2020-10-23 18:37:29,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:37:29,909 INFO L93 Difference]: Finished difference Result 1487 states and 1796 transitions. [2020-10-23 18:37:29,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:37:29,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 257 [2020-10-23 18:37:29,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:37:29,911 INFO L225 Difference]: With dead ends: 1487 [2020-10-23 18:37:29,911 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:37:29,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:37:29,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:37:29,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:37:29,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:37:29,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:37:29,917 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 257 [2020-10-23 18:37:29,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:37:29,917 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:37:29,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:37:29,917 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:37:29,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:37:30,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:37:30,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:37:30,266 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 117 [2020-10-23 18:37:30,718 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 31 [2020-10-23 18:37:31,384 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2020-10-23 18:37:32,114 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 38 [2020-10-23 18:37:32,727 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2020-10-23 18:37:32,733 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:37:32,734 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:37:32,734 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:37:32,734 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:37:32,734 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:37:32,735 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 18:37:32,735 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:37:32,735 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-23 18:37:32,735 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-23 18:37:32,735 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-23 18:37:32,735 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-23 18:37:32,736 INFO L270 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a19~0)| 9))) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= ~a12~0 0)))) (and (or (not (<= |old(~a1~0)| 23)) .cse0 .cse1 .cse2) (or (not (<= |old(~a10~0)| 2)) .cse1 .cse2) (or .cse1 (not (<= |old(~a19~0)| 6)) .cse2) (or (not (<= 8 |old(~a19~0)|)) .cse0 .cse1 .cse2))) [2020-10-23 18:37:32,736 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-23 18:37:32,736 INFO L274 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-10-23 18:37:32,736 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-23 18:37:32,737 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-23 18:37:32,737 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-23 18:37:32,737 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-23 18:37:32,737 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-23 18:37:32,737 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-23 18:37:32,737 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-23 18:37:32,737 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,737 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,738 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,738 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,738 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,738 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,738 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-23 18:37:32,738 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-23 18:37:32,738 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-23 18:37:32,738 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-23 18:37:32,738 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-23 18:37:32,738 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-23 18:37:32,739 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-23 18:37:32,739 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-23 18:37:32,739 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-23 18:37:32,739 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-23 18:37:32,739 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-23 18:37:32,739 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,739 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,739 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,739 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,740 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,740 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-23 18:37:32,740 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-23 18:37:32,740 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-23 18:37:32,740 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-23 18:37:32,740 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-23 18:37:32,740 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-23 18:37:32,740 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-23 18:37:32,741 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-23 18:37:32,741 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-23 18:37:32,741 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-23 18:37:32,741 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-23 18:37:32,741 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-23 18:37:32,741 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-23 18:37:32,741 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-23 18:37:32,741 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,741 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,742 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,742 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,742 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,742 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-23 18:37:32,742 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-23 18:37:32,742 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-23 18:37:32,742 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-23 18:37:32,742 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-23 18:37:32,742 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-23 18:37:32,743 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-23 18:37:32,743 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-23 18:37:32,743 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-23 18:37:32,743 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-23 18:37:32,743 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,743 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,743 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,743 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,743 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,744 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-23 18:37:32,744 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-23 18:37:32,744 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-23 18:37:32,744 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-23 18:37:32,744 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-23 18:37:32,744 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-23 18:37:32,744 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-23 18:37:32,744 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-23 18:37:32,744 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-23 18:37:32,744 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-23 18:37:32,745 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-23 18:37:32,745 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-23 18:37:32,745 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-23 18:37:32,745 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,745 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,745 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,745 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,745 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,745 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-23 18:37:32,746 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-23 18:37:32,746 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-23 18:37:32,746 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-23 18:37:32,746 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-23 18:37:32,746 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,746 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,746 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-23 18:37:32,746 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-23 18:37:32,746 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-23 18:37:32,746 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-23 18:37:32,747 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,747 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,747 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,747 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,747 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,747 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-23 18:37:32,747 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-23 18:37:32,747 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-23 18:37:32,747 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-23 18:37:32,747 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-23 18:37:32,747 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-23 18:37:32,748 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-23 18:37:32,748 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-23 18:37:32,748 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-23 18:37:32,748 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-23 18:37:32,748 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-23 18:37:32,748 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-23 18:37:32,748 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-23 18:37:32,748 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,748 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,749 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,749 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,749 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-23 18:37:32,749 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,749 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,749 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-23 18:37:32,749 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-23 18:37:32,749 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-23 18:37:32,749 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-23 18:37:32,750 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-23 18:37:32,750 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-23 18:37:32,750 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-23 18:37:32,750 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-23 18:37:32,750 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-23 18:37:32,750 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-23 18:37:32,750 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-23 18:37:32,750 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-23 18:37:32,750 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-23 18:37:32,751 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,751 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,751 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,751 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,751 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,751 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,751 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-23 18:37:32,752 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)|))) (.cse3 (not (<= |old(~a19~0)| 9))) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= ~a12~0 0)))) (and (or .cse0 (not (<= |old(~a10~0)| 2)) .cse1 .cse2) (or .cse0 (not (<= |old(~a1~0)| 23)) .cse3 .cse1 .cse2) (or .cse0 .cse1 (not (<= |old(~a19~0)| 6)) .cse2) (or .cse0 (not (<= 8 |old(~a19~0)|)) .cse3 .cse1 .cse2))) [2020-10-23 18:37:32,752 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-23 18:37:32,752 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-23 18:37:32,752 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-23 18:37:32,752 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-23 18:37:32,752 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-23 18:37:32,752 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-23 18:37:32,752 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-23 18:37:32,752 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-23 18:37:32,753 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-23 18:37:32,753 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-23 18:37:32,753 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-23 18:37:32,753 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-23 18:37:32,753 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-23 18:37:32,753 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,753 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,753 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,753 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,754 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,754 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,754 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-23 18:37:32,754 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-23 18:37:32,754 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-23 18:37:32,754 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-23 18:37:32,754 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-23 18:37:32,754 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-23 18:37:32,754 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-23 18:37:32,754 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-23 18:37:32,755 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-23 18:37:32,755 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-23 18:37:32,755 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-23 18:37:32,755 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-23 18:37:32,755 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-23 18:37:32,755 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,755 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,755 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,755 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,755 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,756 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,756 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-23 18:37:32,756 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-23 18:37:32,756 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-23 18:37:32,756 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-23 18:37:32,756 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-23 18:37:32,756 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-23 18:37:32,756 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-23 18:37:32,756 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-23 18:37:32,756 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-23 18:37:32,757 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-23 18:37:32,757 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-23 18:37:32,757 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-23 18:37:32,757 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,757 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,757 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,757 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,757 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,759 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:37:32,759 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:37:32,760 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 8 ~a19~0) (= 14 ~a4~0) (= ~a10~0 0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-10-23 18:37:32,760 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:37:32,760 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:37:32,761 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (not (= 0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-10-23 18:37:32,761 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-23 18:37:32,762 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 9)) (.cse0 (<= 9 |old(~a19~0)|))) (or (and .cse0 .cse1 (<= ~a1~0 23)) (and .cse0 (<= ~a19~0 6)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= 8 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and .cse0 (<= 8 ~a19~0) .cse1) (and .cse0 (<= ~a10~0 2)) (not (= ~a12~0 0)))) [2020-10-23 18:37:32,762 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-23 18:37:32,762 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-23 18:37:32,762 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 9)) (.cse0 (<= 9 |old(~a19~0)|))) (or (and .cse0 .cse1 (<= ~a1~0 23)) (and .cse0 (<= ~a19~0 6)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= 8 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and .cse0 (<= 8 ~a19~0) .cse1) (and .cse0 (<= ~a10~0 2)) (not (= ~a12~0 0)))) [2020-10-23 18:37:32,762 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-23 18:37:32,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:37:32 BoogieIcfgContainer [2020-10-23 18:37:32,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:37:32,794 INFO L168 Benchmark]: Toolchain (without parser) took 29435.03 ms. Allocated memory was 151.0 MB in the beginning and 414.2 MB in the end (delta: 263.2 MB). Free memory was 124.3 MB in the beginning and 230.1 MB in the end (delta: -105.8 MB). Peak memory consumption was 244.7 MB. Max. memory is 8.0 GB. [2020-10-23 18:37:32,795 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 124.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:37:32,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.81 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 97.0 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2020-10-23 18:37:32,796 INFO L168 Benchmark]: Boogie Preprocessor took 147.15 ms. Allocated memory is still 151.0 MB. Free memory was 97.0 MB in the beginning and 129.9 MB in the end (delta: -32.9 MB). Peak memory consumption was 7.8 MB. Max. memory is 8.0 GB. [2020-10-23 18:37:32,797 INFO L168 Benchmark]: RCFGBuilder took 2132.04 ms. Allocated memory was 151.0 MB in the beginning and 199.2 MB in the end (delta: 48.2 MB). Free memory was 129.9 MB in the beginning and 145.1 MB in the end (delta: -15.2 MB). Peak memory consumption was 71.9 MB. Max. memory is 8.0 GB. [2020-10-23 18:37:32,798 INFO L168 Benchmark]: TraceAbstraction took 26379.71 ms. Allocated memory was 199.2 MB in the beginning and 414.2 MB in the end (delta: 215.0 MB). Free memory was 144.6 MB in the beginning and 230.1 MB in the end (delta: -85.5 MB). Peak memory consumption was 216.5 MB. Max. memory is 8.0 GB. [2020-10-23 18:37:32,802 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 124.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 763.81 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 97.0 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 147.15 ms. Allocated memory is still 151.0 MB. Free memory was 97.0 MB in the beginning and 129.9 MB in the end (delta: -32.9 MB). Peak memory consumption was 7.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2132.04 ms. Allocated memory was 151.0 MB in the beginning and 199.2 MB in the end (delta: 48.2 MB). Free memory was 129.9 MB in the beginning and 145.1 MB in the end (delta: -15.2 MB). Peak memory consumption was 71.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 26379.71 ms. Allocated memory was 199.2 MB in the beginning and 414.2 MB in the end (delta: 215.0 MB). Free memory was 144.6 MB in the beginning and 230.1 MB in the end (delta: -85.5 MB). Peak memory consumption was 216.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((((((((((9 <= \old(a19) && a19 <= 9) && a1 <= 23) || (9 <= \old(a19) && a19 <= 6)) || ((a1 == \old(a1) && a19 == \old(a19)) && a10 == \old(a10))) || !(\old(a1) <= 23)) || !(8 <= \old(a19))) || !(14 == a4)) || !(\old(a19) <= 9)) || !(0 == \old(a10))) || ((9 <= \old(a19) && 8 <= a19) && a19 <= 9)) || (9 <= \old(a19) && a10 <= 2)) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.6s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 17.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 391 SDtfs, 2788 SDslu, 316 SDs, 0 SdLazy, 6786 SolverSat, 1202 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 961 GetRequests, 877 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1487occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 831 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 91 PreInvPairs, 123 NumberOfFragments, 417 HoareAnnotationTreeSize, 91 FomulaSimplifications, 38568 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4384 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 2075 NumberOfCodeBlocks, 2075 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2064 ConstructedInterpolants, 0 QuantifiedInterpolants, 1085966 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1781 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 1219/1300 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...