/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_spec3_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:55:15,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:55:15,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:55:15,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:55:15,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:55:15,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:55:15,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:55:15,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:55:15,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:55:15,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:55:15,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:55:15,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:55:15,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:55:15,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:55:15,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:55:15,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:55:15,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:55:15,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:55:15,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:55:15,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:55:15,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:55:15,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:55:15,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:55:15,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:55:15,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:55:15,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:55:15,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:55:15,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:55:15,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:55:15,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:55:15,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:55:15,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:55:15,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:55:15,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:55:15,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:55:15,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:55:15,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:55:15,216 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:55:15,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:55:15,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:55:15,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:55:15,222 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:55:15,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:55:15,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:55:15,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:55:15,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:55:15,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:55:15,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:55:15,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:55:15,224 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:55:15,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:55:15,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:55:15,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:55:15,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:55:15,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:55:15,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:55:15,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:55:15,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:55:15,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:55:15,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:55:15,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:55:15,227 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:55:15,227 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:55:15,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:55:15,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:55:15,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:55:15,712 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:55:15,712 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:55:15,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2020-12-22 06:55:15,808 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb54781a2/2a1bd7ec13f44e69b85133b2bf49d1b4/FLAGcdbda87bc [2020-12-22 06:55:16,586 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:55:16,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2020-12-22 06:55:16,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb54781a2/2a1bd7ec13f44e69b85133b2bf49d1b4/FLAGcdbda87bc [2020-12-22 06:55:16,834 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb54781a2/2a1bd7ec13f44e69b85133b2bf49d1b4 [2020-12-22 06:55:16,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:55:16,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:55:16,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:16,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:55:16,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:55:16,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:16" (1/1) ... [2020-12-22 06:55:16,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e04674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:16, skipping insertion in model container [2020-12-22 06:55:16,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:16" (1/1) ... [2020-12-22 06:55:16,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:55:16,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:55:17,070 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_spec3_product06.cil.c[1281,1294] [2020-12-22 06:55:17,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:17,272 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:55:17,310 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_spec3_product06.cil.c[1281,1294] [2020-12-22 06:55:17,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:17,511 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:55:17,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17 WrapperNode [2020-12-22 06:55:17,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:17,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:17,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:55:17,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:55:17,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (1/1) ... [2020-12-22 06:55:17,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (1/1) ... [2020-12-22 06:55:17,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:17,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:55:17,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:55:17,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:55:17,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (1/1) ... [2020-12-22 06:55:17,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (1/1) ... [2020-12-22 06:55:17,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (1/1) ... [2020-12-22 06:55:17,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (1/1) ... [2020-12-22 06:55:17,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (1/1) ... [2020-12-22 06:55:17,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (1/1) ... [2020-12-22 06:55:17,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (1/1) ... [2020-12-22 06:55:17,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:55:17,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:55:17,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:55:17,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:55:17,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (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 06:55:17,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:55:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:55:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:55:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:55:18,834 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:55:18,835 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2020-12-22 06:55:18,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:18 BoogieIcfgContainer [2020-12-22 06:55:18,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:55:18,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:55:18,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:55:18,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:55:18,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:55:16" (1/3) ... [2020-12-22 06:55:18,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366014c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:18, skipping insertion in model container [2020-12-22 06:55:18,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (2/3) ... [2020-12-22 06:55:18,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366014c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:18, skipping insertion in model container [2020-12-22 06:55:18,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:18" (3/3) ... [2020-12-22 06:55:18,846 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product06.cil.c [2020-12-22 06:55:18,852 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:55:18,858 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:55:18,876 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:55:18,903 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:55:18,903 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:55:18,903 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:55:18,903 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:55:18,904 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:55:18,904 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:55:18,904 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:55:18,904 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:55:18,920 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-12-22 06:55:18,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:55:18,927 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:18,928 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:18,928 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:18,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:18,935 INFO L82 PathProgramCache]: Analyzing trace with hash -688968604, now seen corresponding path program 1 times [2020-12-22 06:55:18,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:18,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438092857] [2020-12-22 06:55:18,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:19,315 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 06:55:19,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438092857] [2020-12-22 06:55:19,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:19,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:19,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400411888] [2020-12-22 06:55:19,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:55:19,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:19,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:55:19,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:55:19,349 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-12-22 06:55:19,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:19,401 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2020-12-22 06:55:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:55:19,403 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:55:19,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:19,428 INFO L225 Difference]: With dead ends: 144 [2020-12-22 06:55:19,434 INFO L226 Difference]: Without dead ends: 71 [2020-12-22 06:55:19,443 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 06:55:19,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-12-22 06:55:19,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-12-22 06:55:19,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-12-22 06:55:19,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-12-22 06:55:19,484 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 18 [2020-12-22 06:55:19,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:19,485 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-12-22 06:55:19,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:55:19,485 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-12-22 06:55:19,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:55:19,486 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:19,486 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:19,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:55:19,487 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:19,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:19,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1599999357, now seen corresponding path program 1 times [2020-12-22 06:55:19,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:19,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895102519] [2020-12-22 06:55:19,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:19,584 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 06:55:19,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895102519] [2020-12-22 06:55:19,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:19,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:19,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622754886] [2020-12-22 06:55:19,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:19,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:19,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:19,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:19,588 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-12-22 06:55:19,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:19,603 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-12-22 06:55:19,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:19,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:55:19,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:19,605 INFO L225 Difference]: With dead ends: 71 [2020-12-22 06:55:19,605 INFO L226 Difference]: Without dead ends: 33 [2020-12-22 06:55:19,607 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 06:55:19,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-22 06:55:19,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-22 06:55:19,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-22 06:55:19,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-12-22 06:55:19,612 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2020-12-22 06:55:19,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:19,613 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-12-22 06:55:19,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:19,613 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-12-22 06:55:19,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:55:19,614 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:19,614 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] [2020-12-22 06:55:19,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:55:19,615 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:19,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:19,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1180040056, now seen corresponding path program 1 times [2020-12-22 06:55:19,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:19,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652118499] [2020-12-22 06:55:19,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:19,738 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 06:55:19,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652118499] [2020-12-22 06:55:19,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:19,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:19,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766527958] [2020-12-22 06:55:19,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:19,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:19,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:19,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:19,742 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 5 states. [2020-12-22 06:55:19,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:19,828 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-12-22 06:55:19,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:19,832 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 06:55:19,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:19,833 INFO L225 Difference]: With dead ends: 60 [2020-12-22 06:55:19,833 INFO L226 Difference]: Without dead ends: 33 [2020-12-22 06:55:19,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 06:55:19,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-22 06:55:19,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-22 06:55:19,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-22 06:55:19,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-12-22 06:55:19,850 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2020-12-22 06:55:19,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:19,855 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-12-22 06:55:19,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:19,856 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-12-22 06:55:19,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:55:19,858 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:19,858 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] [2020-12-22 06:55:19,858 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:55:19,858 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:19,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:19,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1819191868, now seen corresponding path program 1 times [2020-12-22 06:55:19,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:19,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862957347] [2020-12-22 06:55:19,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:19,980 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 06:55:19,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862957347] [2020-12-22 06:55:19,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:19,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:19,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561300162] [2020-12-22 06:55:19,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:19,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:19,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:19,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:19,984 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-12-22 06:55:20,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:20,167 INFO L93 Difference]: Finished difference Result 158 states and 234 transitions. [2020-12-22 06:55:20,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:20,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:55:20,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:20,170 INFO L225 Difference]: With dead ends: 158 [2020-12-22 06:55:20,170 INFO L226 Difference]: Without dead ends: 131 [2020-12-22 06:55:20,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:55:20,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-12-22 06:55:20,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 56. [2020-12-22 06:55:20,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-12-22 06:55:20,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2020-12-22 06:55:20,185 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 25 [2020-12-22 06:55:20,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:20,185 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2020-12-22 06:55:20,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:20,186 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2020-12-22 06:55:20,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:55:20,187 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:20,187 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] [2020-12-22 06:55:20,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:55:20,188 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:20,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:20,188 INFO L82 PathProgramCache]: Analyzing trace with hash 516466438, now seen corresponding path program 1 times [2020-12-22 06:55:20,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:20,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050566098] [2020-12-22 06:55:20,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 06:55:20,300 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 06:55:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 06:55:20,389 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 06:55:20,449 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 06:55:20,450 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 06:55:20,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:55:20,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:55:20 BoogieIcfgContainer [2020-12-22 06:55:20,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:55:20,573 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:55:20,573 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:55:20,573 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:55:20,574 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:18" (3/4) ... [2020-12-22 06:55:20,576 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-22 06:55:20,693 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec3_product06.cil.c-witness.graphml [2020-12-22 06:55:20,693 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:55:20,701 INFO L168 Benchmark]: Toolchain (without parser) took 3855.79 ms. Allocated memory was 162.5 MB in the beginning and 195.0 MB in the end (delta: 32.5 MB). Free memory was 137.0 MB in the beginning and 112.8 MB in the end (delta: 24.1 MB). Peak memory consumption was 58.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:20,701 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 162.5 MB. Free memory is still 136.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:55:20,702 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.30 ms. Allocated memory is still 162.5 MB. Free memory was 137.0 MB in the beginning and 117.0 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:20,703 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.49 ms. Allocated memory is still 162.5 MB. Free memory was 117.0 MB in the beginning and 113.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:20,705 INFO L168 Benchmark]: Boogie Preprocessor took 39.68 ms. Allocated memory is still 162.5 MB. Free memory was 113.9 MB in the beginning and 111.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:20,706 INFO L168 Benchmark]: RCFGBuilder took 1148.62 ms. Allocated memory is still 162.5 MB. Free memory was 111.8 MB in the beginning and 104.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:20,707 INFO L168 Benchmark]: TraceAbstraction took 1733.96 ms. Allocated memory was 162.5 MB in the beginning and 195.0 MB in the end (delta: 32.5 MB). Free memory was 104.1 MB in the beginning and 124.4 MB in the end (delta: -20.2 MB). Peak memory consumption was 13.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:20,708 INFO L168 Benchmark]: Witness Printer took 120.34 ms. Allocated memory is still 195.0 MB. Free memory was 123.8 MB in the beginning and 112.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:20,716 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 162.5 MB. Free memory is still 136.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 672.30 ms. Allocated memory is still 162.5 MB. Free memory was 137.0 MB in the beginning and 117.0 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 131.49 ms. Allocated memory is still 162.5 MB. Free memory was 117.0 MB in the beginning and 113.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 39.68 ms. Allocated memory is still 162.5 MB. Free memory was 113.9 MB in the beginning and 111.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1148.62 ms. Allocated memory is still 162.5 MB. Free memory was 111.8 MB in the beginning and 104.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1733.96 ms. Allocated memory was 162.5 MB in the beginning and 195.0 MB in the end (delta: 32.5 MB). Free memory was 104.1 MB in the beginning and 124.4 MB in the end (delta: -20.2 MB). Peak memory consumption was 13.8 MB. Max. memory is 8.0 GB. * Witness Printer took 120.34 ms. Allocated memory is still 195.0 MB. Free memory was 123.8 MB in the beginning and 112.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 46]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L98] int pumpRunning = 0; [L99] int systemActive = 1; [L311] int waterLevel = 1; [L312] int methaneLevelCritical = 0; [L391] int cleanupTimeShifts = 4; [L656] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L464] int retValue_acc ; [L465] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L80] int retValue_acc ; [L83] retValue_acc = 1 [L84] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L471] tmp = valid_product() [L473] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L244] int splverifierCounter ; [L245] int tmp ; [L246] int tmp___0 ; [L247] int tmp___1 ; [L248] int tmp___2 ; [L251] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L253] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L255] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L261] tmp = __VERIFIER_nondet_int() [L263] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L329] COND TRUE waterLevel < 2 [L330] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L271] tmp___0 = __VERIFIER_nondet_int() [L273] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L281] tmp___2 = __VERIFIER_nondet_int() [L283] COND TRUE \read(tmp___2) [L235] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L106] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L113] COND TRUE \read(systemActive) [L135] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L138] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L854] int tmp ; [L855] int tmp___0 ; [L856] int tmp___1 ; [L350] int retValue_acc ; [L353] retValue_acc = methaneLevelCritical [L354] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L860] tmp = isMethaneLevelCritical() [L862] COND FALSE !(\read(tmp)) [L382] int retValue_acc ; [L385] retValue_acc = waterLevel [L386] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L866] tmp___0 = getWaterLevel() [L868] COND TRUE tmp___0 == 2 [L187] int retValue_acc ; [L190] retValue_acc = pumpRunning [L191] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L870] tmp___1 = isPumpRunning() [L872] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L46] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 260 SDtfs, 334 SDslu, 177 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, 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, 4 MinimizatonAttempts, 75 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3028 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 incorrect! Received shutdown request...