/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_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:36:03,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:36:03,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:36:03,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 18:36:03,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 18:36:03,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 18:36:03,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 18:36:03,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 18:36:03,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 18:36:03,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 18:36:03,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 18:36:03,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 18:36:03,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 18:36:03,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 18:36:03,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 18:36:03,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 18:36:03,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-23 18:36:03,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:36:03,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:36:03,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:36:03,745 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 18:36:03,809 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:36:03,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:36:03,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:36:03,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:36:03,816 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:36:03,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:36:03,817 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:36:03,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:36:03,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:36:03,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:36:03,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:36:03,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:36:03,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:36:03,820 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:36:03,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:36:03,821 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:36:03,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:36:03,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:36:03,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:36:03,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:36:03,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:36:03,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:36:03,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:36:03,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:36:03,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:36:03,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:36:03,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:36:03,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:36:03,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:36:03,826 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:36:04,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:36:04,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:36:04,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:36:04,348 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:36:04,349 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:36:04,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label08.c [2020-10-23 18:36:04,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9294dfdc/2db06aa84b0d410c91c428df9495b79c/FLAGcc72431af [2020-10-23 18:36:05,122 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:36:05,126 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label08.c [2020-10-23 18:36:05,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9294dfdc/2db06aa84b0d410c91c428df9495b79c/FLAGcc72431af [2020-10-23 18:36:05,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9294dfdc/2db06aa84b0d410c91c428df9495b79c [2020-10-23 18:36:05,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:36:05,405 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:36:05,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:36:05,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:36:05,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:36:05,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:36:05" (1/1) ... [2020-10-23 18:36:05,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213e5090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:36:05, skipping insertion in model container [2020-10-23 18:36:05,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:36:05" (1/1) ... [2020-10-23 18:36:05,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:36:05,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:36:06,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:36:06,035 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:36:06,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:36:06,322 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:36:06,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:36:06 WrapperNode [2020-10-23 18:36:06,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:36:06,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:36:06,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:36:06,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:36:06,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:36:06" (1/1) ... [2020-10-23 18:36:06,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:36:06" (1/1) ... [2020-10-23 18:36:06,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:36:06" (1/1) ... [2020-10-23 18:36:06,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:36:06" (1/1) ... [2020-10-23 18:36:06,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:36:06" (1/1) ... [2020-10-23 18:36:06,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:36:06" (1/1) ... [2020-10-23 18:36:06,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:36:06" (1/1) ... [2020-10-23 18:36:06,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:36:06,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:36:06,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:36:06,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:36:06,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:36:06" (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 18:36:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:36:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:36:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:36:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:36:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:36:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:36:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:36:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:36:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:36:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:36:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:36:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:36:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:36:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:36:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:36:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:36:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:36:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:36:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:36:08,193 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:36:08,194 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:36:08,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:36:08 BoogieIcfgContainer [2020-10-23 18:36:08,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:36:08,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:36:08,199 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:36:08,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:36:08,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:36:05" (1/3) ... [2020-10-23 18:36:08,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680e6843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:36:08, skipping insertion in model container [2020-10-23 18:36:08,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:36:06" (2/3) ... [2020-10-23 18:36:08,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680e6843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:36:08, skipping insertion in model container [2020-10-23 18:36:08,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:36:08" (3/3) ... [2020-10-23 18:36:08,207 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label08.c [2020-10-23 18:36:08,221 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:36:08,228 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:36:08,243 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:36:08,289 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:36:08,290 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:36:08,290 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:36:08,290 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:36:08,290 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:36:08,290 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:36:08,290 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:36:08,290 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:36:08,318 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-23 18:36:08,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-23 18:36:08,327 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:36:08,328 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] [2020-10-23 18:36:08,328 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:36:08,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:36:08,336 INFO L82 PathProgramCache]: Analyzing trace with hash -342326822, now seen corresponding path program 1 times [2020-10-23 18:36:08,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:36:08,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43723836] [2020-10-23 18:36:08,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:36:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:08,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:36:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:08,966 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 18:36:08,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43723836] [2020-10-23 18:36:08,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:36:08,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 18:36:08,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674493002] [2020-10-23 18:36:08,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:36:08,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:36:09,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:36:09,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:36:09,014 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-23 18:36:11,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:36:11,381 INFO L93 Difference]: Finished difference Result 586 states and 1012 transitions. [2020-10-23 18:36:11,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 18:36:11,383 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-23 18:36:11,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:36:11,413 INFO L225 Difference]: With dead ends: 586 [2020-10-23 18:36:11,414 INFO L226 Difference]: Without dead ends: 303 [2020-10-23 18:36:11,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:36:11,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-23 18:36:11,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-23 18:36:11,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-23 18:36:11,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 396 transitions. [2020-10-23 18:36:11,523 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 396 transitions. Word has length 47 [2020-10-23 18:36:11,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:36:11,524 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 396 transitions. [2020-10-23 18:36:11,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:36:11,524 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 396 transitions. [2020-10-23 18:36:11,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-23 18:36:11,531 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:36:11,531 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:36:11,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:36:11,532 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:36:11,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:36:11,533 INFO L82 PathProgramCache]: Analyzing trace with hash -119623721, now seen corresponding path program 1 times [2020-10-23 18:36:11,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:36:11,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083740629] [2020-10-23 18:36:11,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:36:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:11,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:36:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:11,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:36:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:11,976 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 18:36:11,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083740629] [2020-10-23 18:36:11,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550200541] [2020-10-23 18:36:11,977 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 18:36:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:12,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:36:12,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:36:12,190 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:36:12,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:36:12,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-10-23 18:36:12,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148553714] [2020-10-23 18:36:12,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:36:12,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:36:12,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:36:12,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:36:12,195 INFO L87 Difference]: Start difference. First operand 299 states and 396 transitions. Second operand 3 states. [2020-10-23 18:36:13,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:36:13,137 INFO L93 Difference]: Finished difference Result 592 states and 795 transitions. [2020-10-23 18:36:13,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:36:13,139 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-10-23 18:36:13,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:36:13,146 INFO L225 Difference]: With dead ends: 592 [2020-10-23 18:36:13,147 INFO L226 Difference]: Without dead ends: 589 [2020-10-23 18:36:13,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:36:13,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2020-10-23 18:36:13,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 444. [2020-10-23 18:36:13,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-10-23 18:36:13,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 621 transitions. [2020-10-23 18:36:13,190 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 621 transitions. Word has length 117 [2020-10-23 18:36:13,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:36:13,191 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 621 transitions. [2020-10-23 18:36:13,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:36:13,192 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 621 transitions. [2020-10-23 18:36:13,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-23 18:36:13,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:36:13,198 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:36:13,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-10-23 18:36:13,412 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:36:13,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:36:13,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1946496425, now seen corresponding path program 1 times [2020-10-23 18:36:13,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:36:13,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933199672] [2020-10-23 18:36:13,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:36:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:13,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:36:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:13,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:36:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:13,839 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:36:13,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933199672] [2020-10-23 18:36:13,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:36:13,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:36:13,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624127442] [2020-10-23 18:36:13,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:36:13,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:36:13,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:36:13,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:36:13,845 INFO L87 Difference]: Start difference. First operand 444 states and 621 transitions. Second operand 8 states. [2020-10-23 18:36:16,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:36:16,057 INFO L93 Difference]: Finished difference Result 1198 states and 1703 transitions. [2020-10-23 18:36:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:36:16,062 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 120 [2020-10-23 18:36:16,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:36:16,069 INFO L225 Difference]: With dead ends: 1198 [2020-10-23 18:36:16,070 INFO L226 Difference]: Without dead ends: 760 [2020-10-23 18:36:16,072 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 18:36:16,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-10-23 18:36:16,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 742. [2020-10-23 18:36:16,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2020-10-23 18:36:16,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 968 transitions. [2020-10-23 18:36:16,114 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 968 transitions. Word has length 120 [2020-10-23 18:36:16,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:36:16,115 INFO L481 AbstractCegarLoop]: Abstraction has 742 states and 968 transitions. [2020-10-23 18:36:16,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:36:16,115 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 968 transitions. [2020-10-23 18:36:16,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-23 18:36:16,119 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:36:16,119 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:36:16,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 18:36:16,120 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:36:16,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:36:16,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1482952693, now seen corresponding path program 1 times [2020-10-23 18:36:16,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:36:16,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863333239] [2020-10-23 18:36:16,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:36:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:16,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:36:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:16,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:36:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:16,427 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:36:16,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863333239] [2020-10-23 18:36:16,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306765315] [2020-10-23 18:36:16,428 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 18:36:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:16,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:36:16,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:36:16,617 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:36:16,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:36:16,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-10-23 18:36:16,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365214901] [2020-10-23 18:36:16,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:36:16,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:36:16,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:36:16,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:36:16,619 INFO L87 Difference]: Start difference. First operand 742 states and 968 transitions. Second operand 3 states. [2020-10-23 18:36:17,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:36:17,510 INFO L93 Difference]: Finished difference Result 1035 states and 1334 transitions. [2020-10-23 18:36:17,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:36:17,515 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-10-23 18:36:17,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:36:17,526 INFO L225 Difference]: With dead ends: 1035 [2020-10-23 18:36:17,527 INFO L226 Difference]: Without dead ends: 1032 [2020-10-23 18:36:17,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:36:17,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2020-10-23 18:36:17,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 889. [2020-10-23 18:36:17,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2020-10-23 18:36:17,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1175 transitions. [2020-10-23 18:36:17,603 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1175 transitions. Word has length 126 [2020-10-23 18:36:17,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:36:17,604 INFO L481 AbstractCegarLoop]: Abstraction has 889 states and 1175 transitions. [2020-10-23 18:36:17,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:36:17,604 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1175 transitions. [2020-10-23 18:36:17,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-23 18:36:17,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:36:17,608 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:36:17,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:36:17,822 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:36:17,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:36:17,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1360869164, now seen corresponding path program 1 times [2020-10-23 18:36:17,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:36:17,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692452005] [2020-10-23 18:36:17,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:36:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:17,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:36:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:17,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:36:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:18,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-23 18:36:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:18,186 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:36:18,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692452005] [2020-10-23 18:36:18,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674225747] [2020-10-23 18:36:18,188 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 18:36:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:18,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:36:18,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:36:18,419 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 146 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:36:18,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:36:18,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-10-23 18:36:18,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36499403] [2020-10-23 18:36:18,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:36:18,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:36:18,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:36:18,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:36:18,423 INFO L87 Difference]: Start difference. First operand 889 states and 1175 transitions. Second operand 10 states. [2020-10-23 18:36:21,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:36:21,803 INFO L93 Difference]: Finished difference Result 2545 states and 3523 transitions. [2020-10-23 18:36:21,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-23 18:36:21,805 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 199 [2020-10-23 18:36:21,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:36:21,830 INFO L225 Difference]: With dead ends: 2545 [2020-10-23 18:36:21,831 INFO L226 Difference]: Without dead ends: 1662 [2020-10-23 18:36:21,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 205 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-10-23 18:36:21,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2020-10-23 18:36:21,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1495. [2020-10-23 18:36:21,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1495 states. [2020-10-23 18:36:21,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 1946 transitions. [2020-10-23 18:36:21,931 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 1946 transitions. Word has length 199 [2020-10-23 18:36:21,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:36:21,932 INFO L481 AbstractCegarLoop]: Abstraction has 1495 states and 1946 transitions. [2020-10-23 18:36:21,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:36:21,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1946 transitions. [2020-10-23 18:36:21,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-23 18:36:21,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:36:21,944 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-23 18:36:22,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:36:22,162 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:36:22,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:36:22,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1681736998, now seen corresponding path program 1 times [2020-10-23 18:36:22,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:36:22,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961377858] [2020-10-23 18:36:22,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:36:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:22,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:36:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:22,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:36:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:22,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 18:36:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:22,714 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 78 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 18:36:22,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961377858] [2020-10-23 18:36:22,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565938837] [2020-10-23 18:36:22,716 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 18:36:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:22,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:36:22,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:36:23,034 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-10-23 18:36:23,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:36:23,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:36:23,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545037110] [2020-10-23 18:36:23,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:36:23,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:36:23,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:36:23,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:36:23,039 INFO L87 Difference]: Start difference. First operand 1495 states and 1946 transitions. Second operand 3 states. [2020-10-23 18:36:23,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:36:23,917 INFO L93 Difference]: Finished difference Result 1641 states and 2106 transitions. [2020-10-23 18:36:23,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:36:23,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 216 [2020-10-23 18:36:23,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:36:23,933 INFO L225 Difference]: With dead ends: 1641 [2020-10-23 18:36:23,933 INFO L226 Difference]: Without dead ends: 1638 [2020-10-23 18:36:23,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 219 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 18:36:23,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2020-10-23 18:36:23,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 1348. [2020-10-23 18:36:23,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1348 states. [2020-10-23 18:36:24,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1757 transitions. [2020-10-23 18:36:24,008 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1757 transitions. Word has length 216 [2020-10-23 18:36:24,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:36:24,009 INFO L481 AbstractCegarLoop]: Abstraction has 1348 states and 1757 transitions. [2020-10-23 18:36:24,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:36:24,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1757 transitions. [2020-10-23 18:36:24,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-23 18:36:24,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:36:24,017 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 18:36:24,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:36:24,231 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:36:24,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:36:24,232 INFO L82 PathProgramCache]: Analyzing trace with hash -557116402, now seen corresponding path program 1 times [2020-10-23 18:36:24,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:36:24,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986223855] [2020-10-23 18:36:24,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:36:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:24,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:36:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:24,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:36:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:24,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-23 18:36:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:24,742 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 78 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 18:36:24,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986223855] [2020-10-23 18:36:24,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192384228] [2020-10-23 18:36:24,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:36:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:36:24,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:36:24,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:36:24,983 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-23 18:36:24,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:36:24,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:36:24,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651620564] [2020-10-23 18:36:24,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:36:24,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:36:24,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:36:24,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:36:24,986 INFO L87 Difference]: Start difference. First operand 1348 states and 1757 transitions. Second operand 3 states. [2020-10-23 18:36:25,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:36:25,837 INFO L93 Difference]: Finished difference Result 2687 states and 3514 transitions. [2020-10-23 18:36:25,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:36:25,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2020-10-23 18:36:25,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:36:25,838 INFO L225 Difference]: With dead ends: 2687 [2020-10-23 18:36:25,838 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:36:25,847 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 246 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 18:36:25,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:36:25,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:36:25,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:36:25,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:36:25,848 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 243 [2020-10-23 18:36:25,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:36:25,848 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:36:25,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:36:25,849 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:36:25,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:36:26,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-10-23 18:36:26,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:36:26,923 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 30 [2020-10-23 18:36:27,110 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 20 [2020-10-23 18:36:27,197 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:36:27,197 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:36:27,197 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:36:27,198 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:36:27,198 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:36:27,201 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 18:36:27,201 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:36:27,201 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-23 18:36:27,201 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-23 18:36:27,202 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-23 18:36:27,202 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-23 18:36:27,202 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-23 18:36:27,202 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-23 18:36:27,202 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-23 18:36:27,202 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-23 18:36:27,202 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-23 18:36:27,203 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-23 18:36:27,203 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-23 18:36:27,203 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-23 18:36:27,205 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-23 18:36:27,205 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,205 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,205 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,205 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,206 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,206 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,206 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-23 18:36:27,208 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-23 18:36:27,208 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-23 18:36:27,208 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-23 18:36:27,208 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-23 18:36:27,208 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-23 18:36:27,209 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-23 18:36:27,209 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-23 18:36:27,209 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-23 18:36:27,209 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-23 18:36:27,210 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-23 18:36:27,210 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,210 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,210 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,210 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,210 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,211 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-23 18:36:27,211 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-23 18:36:27,212 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-23 18:36:27,212 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-23 18:36:27,212 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-23 18:36:27,213 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-23 18:36:27,213 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-23 18:36:27,213 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-23 18:36:27,213 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-23 18:36:27,213 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-23 18:36:27,213 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-23 18:36:27,214 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-23 18:36:27,214 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-23 18:36:27,214 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-23 18:36:27,214 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,214 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,217 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,217 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,217 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,217 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-23 18:36:27,218 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-23 18:36:27,218 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-23 18:36:27,218 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-23 18:36:27,218 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-23 18:36:27,218 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-23 18:36:27,218 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-23 18:36:27,218 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-23 18:36:27,219 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-23 18:36:27,219 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-23 18:36:27,219 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,219 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,219 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,219 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,220 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,220 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-23 18:36:27,220 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-23 18:36:27,220 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-23 18:36:27,220 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-23 18:36:27,220 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-23 18:36:27,220 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-23 18:36:27,220 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-23 18:36:27,223 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-23 18:36:27,223 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-23 18:36:27,223 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-23 18:36:27,223 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-23 18:36:27,224 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-23 18:36:27,224 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-23 18:36:27,224 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,224 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,224 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,224 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,225 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,225 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-23 18:36:27,225 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-23 18:36:27,225 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-23 18:36:27,225 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-23 18:36:27,226 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-23 18:36:27,226 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,227 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,227 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-23 18:36:27,227 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-23 18:36:27,227 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-23 18:36:27,227 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-23 18:36:27,227 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,227 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,228 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,228 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,228 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,228 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-23 18:36:27,228 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-23 18:36:27,228 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-23 18:36:27,228 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-23 18:36:27,228 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-23 18:36:27,229 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-23 18:36:27,229 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-23 18:36:27,229 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-23 18:36:27,229 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-23 18:36:27,229 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-23 18:36:27,229 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-23 18:36:27,229 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-23 18:36:27,230 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-23 18:36:27,231 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,231 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,231 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,231 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,231 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-23 18:36:27,231 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,231 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,231 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-23 18:36:27,232 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-23 18:36:27,232 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-23 18:36:27,232 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-23 18:36:27,232 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-23 18:36:27,232 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-23 18:36:27,232 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-23 18:36:27,232 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-23 18:36:27,233 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-23 18:36:27,233 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-23 18:36:27,233 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-23 18:36:27,233 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-23 18:36:27,233 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-23 18:36:27,233 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,233 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,233 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,234 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,234 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,234 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,234 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-23 18:36:27,236 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)|)))) (and (or (not (<= 7 |old(~a19~0)|)) .cse0 (not (<= |old(~a10~0)| 2))) (or .cse0 (not (= 0 |old(~a10~0)|))) (or .cse0 (not (<= |old(~a19~0)| 9)) (not (<= 3 |old(~a10~0)|))))) [2020-10-23 18:36:27,236 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-23 18:36:27,236 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-23 18:36:27,237 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-23 18:36:27,237 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-23 18:36:27,237 INFO L270 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (and (not (= 0 |old(~a10~0)|)) (or (not (<= |old(~a19~0)| 9)) (not (<= 3 |old(~a10~0)|))) (or (not (<= 7 |old(~a19~0)|)) (not (<= |old(~a10~0)| 2)))) [2020-10-23 18:36:27,237 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-23 18:36:27,237 INFO L274 CegarLoopResult]: For program point L126-1(line 126) no Hoare annotation was computed. [2020-10-23 18:36:27,237 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-23 18:36:27,237 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-23 18:36:27,238 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-23 18:36:27,238 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-23 18:36:27,238 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-23 18:36:27,238 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-23 18:36:27,238 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-23 18:36:27,238 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,238 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,238 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,239 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,239 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,239 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,239 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-23 18:36:27,239 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-23 18:36:27,239 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-23 18:36:27,240 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-23 18:36:27,240 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-23 18:36:27,240 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-23 18:36:27,240 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-23 18:36:27,240 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-23 18:36:27,240 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-23 18:36:27,240 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-23 18:36:27,241 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-23 18:36:27,241 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-23 18:36:27,241 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-23 18:36:27,241 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,241 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,241 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,241 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,241 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,241 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,242 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-23 18:36:27,242 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-23 18:36:27,242 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-23 18:36:27,242 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-23 18:36:27,242 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-23 18:36:27,242 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-23 18:36:27,242 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-23 18:36:27,242 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-23 18:36:27,243 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-23 18:36:27,243 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-23 18:36:27,243 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-23 18:36:27,243 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-23 18:36:27,243 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,243 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,243 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,244 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,244 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,244 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:36:27,244 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:36:27,244 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 9 ~a19~0) (= ~a10~0 0) (<= ~a19~0 9)) [2020-10-23 18:36:27,245 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:36:27,245 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:36:27,245 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|))) [2020-10-23 18:36:27,245 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-23 18:36:27,245 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (or (and (<= 3 ~a10~0) (<= ~a19~0 9)) (not (<= 9 |old(~a19~0)|)) (= ~a10~0 0) (and (<= 7 ~a19~0) (<= ~a10~0 2)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|))) [2020-10-23 18:36:27,246 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-23 18:36:27,246 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-23 18:36:27,246 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (or (and (<= 3 ~a10~0) (<= ~a19~0 9)) (not (<= 9 |old(~a19~0)|)) (= ~a10~0 0) (and (<= 7 ~a19~0) (<= ~a10~0 2)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|))) [2020-10-23 18:36:27,246 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-23 18:36:27,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:36:27 BoogieIcfgContainer [2020-10-23 18:36:27,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:36:27,280 INFO L168 Benchmark]: Toolchain (without parser) took 21880.10 ms. Allocated memory was 151.0 MB in the beginning and 399.5 MB in the end (delta: 248.5 MB). Free memory was 125.3 MB in the beginning and 346.6 MB in the end (delta: -221.3 MB). Peak memory consumption was 195.9 MB. Max. memory is 8.0 GB. [2020-10-23 18:36:27,281 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 122.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:36:27,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 915.64 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 130.6 MB in the end (delta: -5.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. [2020-10-23 18:36:27,284 INFO L168 Benchmark]: Boogie Preprocessor took 156.72 ms. Allocated memory is still 151.0 MB. Free memory was 130.6 MB in the beginning and 125.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:36:27,285 INFO L168 Benchmark]: RCFGBuilder took 1711.77 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 106.5 MB in the end (delta: 19.4 MB). Peak memory consumption was 81.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:36:27,293 INFO L168 Benchmark]: TraceAbstraction took 19078.80 ms. Allocated memory was 151.0 MB in the beginning and 399.5 MB in the end (delta: 248.5 MB). Free memory was 106.0 MB in the beginning and 346.6 MB in the end (delta: -240.7 MB). Peak memory consumption was 176.1 MB. Max. memory is 8.0 GB. [2020-10-23 18:36:27,306 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 122.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 915.64 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 130.6 MB in the end (delta: -5.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 156.72 ms. Allocated memory is still 151.0 MB. Free memory was 130.6 MB in the beginning and 125.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1711.77 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 106.5 MB in the end (delta: 19.4 MB). Peak memory consumption was 81.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19078.80 ms. Allocated memory was 151.0 MB in the beginning and 399.5 MB in the end (delta: 248.5 MB). Free memory was 106.0 MB in the beginning and 346.6 MB in the end (delta: -240.7 MB). Peak memory consumption was 176.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((((3 <= a10 && a19 <= 9) || !(9 <= \old(a19))) || a10 == 0) || (7 <= a19 && a10 <= 2)) || !(\old(a19) <= 9)) || !(0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.7s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 347 SDtfs, 2675 SDslu, 160 SDs, 0 SdLazy, 4026 SolverSat, 1203 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 983 GetRequests, 927 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1495occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 767 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 69 PreInvPairs, 87 NumberOfFragments, 236 HoareAnnotationTreeSize, 69 FomulaSimplifications, 17847 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1361 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1969 NumberOfCodeBlocks, 1969 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1957 ConstructedInterpolants, 0 QuantifiedInterpolants, 993466 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2034 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 966/1121 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...