/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:52:09,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:52:09,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:52:09,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 06:52:09,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:52:09,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:52:09,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:52:09,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:52:09,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:52:09,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:52:09,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:52:09,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:52:09,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:52:09,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:52:09,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:52:09,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:52:09,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:52:09,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:52:09,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:52:09,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:52:09,953 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:52:09,979 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:52:09,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:52:09,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:52:09,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:52:09,981 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:52:09,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:52:09,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:52:09,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:52:09,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:52:09,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:52:09,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:52:09,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:52:09,983 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:52:09,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:52:09,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:52:09,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:52:09,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:52:09,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:52:09,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:52:09,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:52:09,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:52:09,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:52:09,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:52:09,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:52:09,985 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:52:09,985 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:52:10,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:52:10,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:52:10,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:52:10,478 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:52:10,479 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:52:10,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2020-12-22 06:52:10,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6667aa35/4614da980698450d97feb96fc43a6dbe/FLAG362598ba9 [2020-12-22 06:52:11,239 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:52:11,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2020-12-22 06:52:11,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6667aa35/4614da980698450d97feb96fc43a6dbe/FLAG362598ba9 [2020-12-22 06:52:11,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6667aa35/4614da980698450d97feb96fc43a6dbe [2020-12-22 06:52:11,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:52:11,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:52:11,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:52:11,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:52:11,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:52:11,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:52:11" (1/1) ... [2020-12-22 06:52:11,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3942ba70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:11, skipping insertion in model container [2020-12-22 06:52:11,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:52:11" (1/1) ... [2020-12-22 06:52:11,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:52:11,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:52:11,943 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c[6562,6575] [2020-12-22 06:52:12,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:52:12,011 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:52:12,066 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c[6562,6575] [2020-12-22 06:52:12,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:52:12,183 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:52:12,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:12 WrapperNode [2020-12-22 06:52:12,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:52:12,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:52:12,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:52:12,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:52:12,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:12" (1/1) ... [2020-12-22 06:52:12,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:12" (1/1) ... [2020-12-22 06:52:12,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:52:12,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:52:12,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:52:12,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:52:12,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:12" (1/1) ... [2020-12-22 06:52:12,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:12" (1/1) ... [2020-12-22 06:52:12,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:12" (1/1) ... [2020-12-22 06:52:12,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:12" (1/1) ... [2020-12-22 06:52:12,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:12" (1/1) ... [2020-12-22 06:52:12,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:12" (1/1) ... [2020-12-22 06:52:12,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:12" (1/1) ... [2020-12-22 06:52:12,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:52:12,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:52:12,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:52:12,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:52:12,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:12" (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 [2020-12-22 06:52:12,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:52:12,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:52:12,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:52:12,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:52:13,376 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:52:13,376 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2020-12-22 06:52:13,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:52:13 BoogieIcfgContainer [2020-12-22 06:52:13,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:52:13,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:52:13,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:52:13,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:52:13,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:52:11" (1/3) ... [2020-12-22 06:52:13,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705b4bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:52:13, skipping insertion in model container [2020-12-22 06:52:13,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:12" (2/3) ... [2020-12-22 06:52:13,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705b4bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:52:13, skipping insertion in model container [2020-12-22 06:52:13,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:52:13" (3/3) ... [2020-12-22 06:52:13,389 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product03.cil.c [2020-12-22 06:52:13,395 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:52:13,401 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:52:13,421 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:52:13,450 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:52:13,450 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:52:13,451 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:52:13,451 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:52:13,451 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:52:13,451 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:52:13,451 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:52:13,452 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:52:13,469 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2020-12-22 06:52:13,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:52:13,476 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:13,477 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:52:13,477 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:13,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:13,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2020-12-22 06:52:13,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:13,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358233918] [2020-12-22 06:52:13,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:13,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:52:13,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358233918] [2020-12-22 06:52:13,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:13,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:52:13,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73030311] [2020-12-22 06:52:13,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:52:13,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:13,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:52:13,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:52:13,836 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2020-12-22 06:52:13,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:13,863 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2020-12-22 06:52:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:52:13,865 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:52:13,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:13,875 INFO L225 Difference]: With dead ends: 112 [2020-12-22 06:52:13,875 INFO L226 Difference]: Without dead ends: 55 [2020-12-22 06:52:13,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:52:13,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-22 06:52:13,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-22 06:52:13,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-22 06:52:13,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2020-12-22 06:52:13,925 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2020-12-22 06:52:13,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:13,925 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2020-12-22 06:52:13,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:52:13,926 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-12-22 06:52:13,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:52:13,927 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:13,927 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:52:13,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:52:13,928 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:13,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:13,929 INFO L82 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2020-12-22 06:52:13,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:13,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546845271] [2020-12-22 06:52:13,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:14,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:52:14,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546845271] [2020-12-22 06:52:14,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:14,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:52:14,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901944591] [2020-12-22 06:52:14,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:52:14,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:14,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:52:14,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:52:14,112 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2020-12-22 06:52:14,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:14,123 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-12-22 06:52:14,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:52:14,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:52:14,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:14,125 INFO L225 Difference]: With dead ends: 55 [2020-12-22 06:52:14,125 INFO L226 Difference]: Without dead ends: 29 [2020-12-22 06:52:14,126 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:52:14,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-22 06:52:14,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-12-22 06:52:14,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-22 06:52:14,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-12-22 06:52:14,132 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2020-12-22 06:52:14,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:14,133 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-12-22 06:52:14,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:52:14,133 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-12-22 06:52:14,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:52:14,134 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:14,134 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] [2020-12-22 06:52:14,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:52:14,135 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:14,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:14,135 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2020-12-22 06:52:14,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:14,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906743993] [2020-12-22 06:52:14,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:14,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:52:14,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906743993] [2020-12-22 06:52:14,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:14,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:52:14,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301622036] [2020-12-22 06:52:14,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:52:14,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:14,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:52:14,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:52:14,262 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 6 states. [2020-12-22 06:52:14,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:14,455 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2020-12-22 06:52:14,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:52:14,456 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-12-22 06:52:14,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:14,459 INFO L225 Difference]: With dead ends: 98 [2020-12-22 06:52:14,459 INFO L226 Difference]: Without dead ends: 75 [2020-12-22 06:52:14,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:52:14,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-12-22 06:52:14,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2020-12-22 06:52:14,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-12-22 06:52:14,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2020-12-22 06:52:14,473 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2020-12-22 06:52:14,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:14,474 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-12-22 06:52:14,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:52:14,474 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2020-12-22 06:52:14,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:52:14,475 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:14,476 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] [2020-12-22 06:52:14,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:52:14,476 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:14,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:14,477 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2020-12-22 06:52:14,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:14,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234769027] [2020-12-22 06:52:14,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:14,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:52:14,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234769027] [2020-12-22 06:52:14,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:14,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:52:14,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787449424] [2020-12-22 06:52:14,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:52:14,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:14,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:52:14,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:52:14,632 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2020-12-22 06:52:14,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:14,757 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2020-12-22 06:52:14,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:52:14,759 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-22 06:52:14,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:14,766 INFO L225 Difference]: With dead ends: 214 [2020-12-22 06:52:14,766 INFO L226 Difference]: Without dead ends: 172 [2020-12-22 06:52:14,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:52:14,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-12-22 06:52:14,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2020-12-22 06:52:14,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-12-22 06:52:14,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2020-12-22 06:52:14,802 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2020-12-22 06:52:14,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:14,802 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2020-12-22 06:52:14,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:52:14,803 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2020-12-22 06:52:14,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 06:52:14,804 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:14,804 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] [2020-12-22 06:52:14,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:52:14,805 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:14,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:14,806 INFO L82 PathProgramCache]: Analyzing trace with hash 507351174, now seen corresponding path program 1 times [2020-12-22 06:52:14,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:14,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696791882] [2020-12-22 06:52:14,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:14,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:52:14,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696791882] [2020-12-22 06:52:14,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:14,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:52:14,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930357410] [2020-12-22 06:52:14,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:52:14,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:14,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:52:14,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:52:14,882 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand 5 states. [2020-12-22 06:52:15,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:15,018 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2020-12-22 06:52:15,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:52:15,020 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-12-22 06:52:15,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:15,021 INFO L225 Difference]: With dead ends: 268 [2020-12-22 06:52:15,021 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:52:15,023 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:52:15,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:52:15,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:52:15,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:52:15,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:52:15,024 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-12-22 06:52:15,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:15,024 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:52:15,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:52:15,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:52:15,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:52:15,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:52:15,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:52:15,364 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2020-12-22 06:52:15,364 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:52:15,364 INFO L189 CegarLoopUtils]: For program point L301(lines 301 305) no Hoare annotation was computed. [2020-12-22 06:52:15,364 INFO L189 CegarLoopUtils]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-12-22 06:52:15,364 INFO L189 CegarLoopUtils]: For program point L270(lines 270 276) no Hoare annotation was computed. [2020-12-22 06:52:15,365 INFO L185 CegarLoopUtils]: At program point L270-1(lines 270 276) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:15,365 INFO L185 CegarLoopUtils]: At program point L105(lines 56 106) the Hoare annotation is: false [2020-12-22 06:52:15,365 INFO L185 CegarLoopUtils]: At program point L139(lines 1 858) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:52:15,365 INFO L192 CegarLoopUtils]: At program point L454(lines 435 457) the Hoare annotation is: true [2020-12-22 06:52:15,365 INFO L189 CegarLoopUtils]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-12-22 06:52:15,365 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:52:15,366 INFO L189 CegarLoopUtils]: For program point L289-3(lines 289 293) no Hoare annotation was computed. [2020-12-22 06:52:15,366 INFO L189 CegarLoopUtils]: For program point L289-6(lines 289 293) no Hoare annotation was computed. [2020-12-22 06:52:15,366 INFO L189 CegarLoopUtils]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-12-22 06:52:15,366 INFO L185 CegarLoopUtils]: At program point L174(lines 174 180) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:15,366 INFO L185 CegarLoopUtils]: At program point L174-1(lines 174 180) the Hoare annotation is: false [2020-12-22 06:52:15,367 INFO L185 CegarLoopUtils]: At program point L174-2(lines 174 180) the Hoare annotation is: false [2020-12-22 06:52:15,367 INFO L185 CegarLoopUtils]: At program point L422(lines 418 424) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:52:15,368 INFO L189 CegarLoopUtils]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-12-22 06:52:15,368 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2020-12-22 06:52:15,368 INFO L189 CegarLoopUtils]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-12-22 06:52:15,368 INFO L185 CegarLoopUtils]: At program point L93-1(lines 167 173) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:15,368 INFO L185 CegarLoopUtils]: At program point L374-2(lines 374 388) the Hoare annotation is: false [2020-12-22 06:52:15,368 INFO L189 CegarLoopUtils]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-12-22 06:52:15,369 INFO L185 CegarLoopUtils]: At program point L77-1(lines 77 83) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:15,369 INFO L185 CegarLoopUtils]: At program point L226(lines 221 229) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:15,369 INFO L185 CegarLoopUtils]: At program point L226-1(lines 221 229) the Hoare annotation is: false [2020-12-22 06:52:15,369 INFO L185 CegarLoopUtils]: At program point L226-2(lines 221 229) the Hoare annotation is: false [2020-12-22 06:52:15,369 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:52:15,370 INFO L189 CegarLoopUtils]: For program point L375(line 375) no Hoare annotation was computed. [2020-12-22 06:52:15,370 INFO L185 CegarLoopUtils]: At program point L326(lines 321 329) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:15,370 INFO L185 CegarLoopUtils]: At program point L326-1(lines 321 329) the Hoare annotation is: false [2020-12-22 06:52:15,370 INFO L185 CegarLoopUtils]: At program point L326-2(lines 321 329) the Hoare annotation is: false [2020-12-22 06:52:15,371 INFO L189 CegarLoopUtils]: For program point L476(lines 476 489) no Hoare annotation was computed. [2020-12-22 06:52:15,371 INFO L185 CegarLoopUtils]: At program point L476-1(lines 1 858) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:15,371 INFO L189 CegarLoopUtils]: For program point L476-2(lines 476 489) no Hoare annotation was computed. [2020-12-22 06:52:15,371 INFO L185 CegarLoopUtils]: At program point L476-3(lines 1 858) the Hoare annotation is: false [2020-12-22 06:52:15,371 INFO L189 CegarLoopUtils]: For program point L476-4(lines 476 489) no Hoare annotation was computed. [2020-12-22 06:52:15,371 INFO L185 CegarLoopUtils]: At program point L476-5(lines 1 858) the Hoare annotation is: false [2020-12-22 06:52:15,372 INFO L189 CegarLoopUtils]: For program point L378(lines 378 382) no Hoare annotation was computed. [2020-12-22 06:52:15,372 INFO L189 CegarLoopUtils]: For program point L378-1(lines 167 173) no Hoare annotation was computed. [2020-12-22 06:52:15,374 INFO L185 CegarLoopUtils]: At program point L147(lines 142 150) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:52:15,377 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:52:15,378 INFO L189 CegarLoopUtils]: For program point L445(lines 445 452) no Hoare annotation was computed. [2020-12-22 06:52:15,378 INFO L192 CegarLoopUtils]: At program point L445-1(lines 445 452) the Hoare annotation is: true [2020-12-22 06:52:15,378 INFO L189 CegarLoopUtils]: For program point L313(lines 313 317) no Hoare annotation was computed. [2020-12-22 06:52:15,383 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2020-12-22 06:52:15,384 INFO L189 CegarLoopUtils]: For program point L463(line 463) no Hoare annotation was computed. [2020-12-22 06:52:15,384 INFO L189 CegarLoopUtils]: For program point L463-1(line 463) no Hoare annotation was computed. [2020-12-22 06:52:15,384 INFO L189 CegarLoopUtils]: For program point L463-2(line 463) no Hoare annotation was computed. [2020-12-22 06:52:15,384 INFO L189 CegarLoopUtils]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-12-22 06:52:15,384 INFO L185 CegarLoopUtils]: At program point L67-1(lines 67 73) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:15,384 INFO L189 CegarLoopUtils]: For program point L480(lines 480 486) no Hoare annotation was computed. [2020-12-22 06:52:15,384 INFO L189 CegarLoopUtils]: For program point L480-2(lines 480 486) no Hoare annotation was computed. [2020-12-22 06:52:15,385 INFO L189 CegarLoopUtils]: For program point L480-4(lines 480 486) no Hoare annotation was computed. [2020-12-22 06:52:15,385 INFO L185 CegarLoopUtils]: At program point L167(lines 166 185) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:15,385 INFO L189 CegarLoopUtils]: For program point L167-1(lines 167 173) no Hoare annotation was computed. [2020-12-22 06:52:15,385 INFO L185 CegarLoopUtils]: At program point L167-2(lines 166 185) the Hoare annotation is: false [2020-12-22 06:52:15,385 INFO L185 CegarLoopUtils]: At program point L167-3(lines 166 185) the Hoare annotation is: false [2020-12-22 06:52:15,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:52:15 BoogieIcfgContainer [2020-12-22 06:52:15,414 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:52:15,414 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:52:15,415 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:52:15,415 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:52:15,415 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:52:13" (3/4) ... [2020-12-22 06:52:15,419 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:52:15,446 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:52:15,448 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:52:15,448 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:52:15,449 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:52:15,449 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:52:15,450 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:52:15,451 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:52:15,484 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-12-22 06:52:15,485 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-12-22 06:52:15,490 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:52:15,564 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec1_product03.cil.c-witness.graphml [2020-12-22 06:52:15,564 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:52:15,566 INFO L168 Benchmark]: Toolchain (without parser) took 4063.49 ms. Allocated memory was 176.2 MB in the beginning and 231.7 MB in the end (delta: 55.6 MB). Free memory was 149.3 MB in the beginning and 129.3 MB in the end (delta: 20.0 MB). Peak memory consumption was 77.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:15,567 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 176.2 MB. Free memory is still 147.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:52:15,567 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.05 ms. Allocated memory is still 176.2 MB. Free memory was 149.0 MB in the beginning and 129.6 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:15,568 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.79 ms. Allocated memory is still 176.2 MB. Free memory was 129.4 MB in the beginning and 126.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:15,568 INFO L168 Benchmark]: Boogie Preprocessor took 64.76 ms. Allocated memory is still 176.2 MB. Free memory was 126.8 MB in the beginning and 124.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:15,569 INFO L168 Benchmark]: RCFGBuilder took 1007.80 ms. Allocated memory is still 176.2 MB. Free memory was 124.9 MB in the beginning and 113.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:15,569 INFO L168 Benchmark]: TraceAbstraction took 2033.42 ms. Allocated memory was 176.2 MB in the beginning and 231.7 MB in the end (delta: 55.6 MB). Free memory was 113.3 MB in the beginning and 134.6 MB in the end (delta: -21.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:15,570 INFO L168 Benchmark]: Witness Printer took 149.60 ms. Allocated memory is still 231.7 MB. Free memory was 134.6 MB in the beginning and 129.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:15,572 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 176.2 MB. Free memory is still 147.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 678.05 ms. Allocated memory is still 176.2 MB. Free memory was 149.0 MB in the beginning and 129.6 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 118.79 ms. Allocated memory is still 176.2 MB. Free memory was 129.4 MB in the beginning and 126.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 64.76 ms. Allocated memory is still 176.2 MB. Free memory was 126.8 MB in the beginning and 124.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1007.80 ms. Allocated memory is still 176.2 MB. Free memory was 124.9 MB in the beginning and 113.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2033.42 ms. Allocated memory was 176.2 MB in the beginning and 231.7 MB in the end (delta: 55.6 MB). Free memory was 113.3 MB in the beginning and 134.6 MB in the end (delta: -21.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 8.0 GB. * Witness Printer took 149.60 ms. Allocated memory is still 231.7 MB. Free memory was 134.6 MB in the beginning and 129.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 463]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 463]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 463]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 268 SDtfs, 396 SDslu, 428 SDs, 0 SdLazy, 56 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 115 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 119 HoareAnnotationTreeSize, 26 FomulaSimplifications, 4447 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 4452 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...