/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_spec4_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:56:54,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:56:54,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:56:55,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:56:55,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:56:55,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:56:55,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:56:55,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:56:55,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:56:55,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:56:55,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:56:55,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:56:55,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:56:55,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:56:55,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:56:55,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:56:55,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:56:55,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:56:55,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:56:55,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:56:55,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:56:55,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:56:55,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:56:55,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:56:55,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:56:55,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:56:55,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:56:55,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:56:55,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:56:55,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:56:55,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:56:55,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:56:55,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:56:55,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:56:55,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:56:55,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:56:55,094 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:56:55,158 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:56:55,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:56:55,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:56:55,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:56:55,163 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:56:55,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:56:55,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:56:55,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:56:55,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:56:55,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:56:55,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:56:55,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:56:55,167 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:56:55,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:56:55,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:56:55,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:56:55,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:56:55,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:55,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:56:55,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:56:55,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:56:55,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:56:55,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:56:55,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:56:55,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:56:55,171 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:56:55,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:56:55,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:56:55,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:56:55,605 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:56:55,606 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:56:55,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2020-12-22 06:56:55,702 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6da99c38/986b70ab67e5403585d50574f7064415/FLAGd3636c1dc [2020-12-22 06:56:56,576 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:56:56,577 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2020-12-22 06:56:56,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6da99c38/986b70ab67e5403585d50574f7064415/FLAGd3636c1dc [2020-12-22 06:56:56,799 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6da99c38/986b70ab67e5403585d50574f7064415 [2020-12-22 06:56:56,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:56:56,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:56:56,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:56,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:56:56,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:56:56,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:56" (1/1) ... [2020-12-22 06:56:56,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f5af53a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:56, skipping insertion in model container [2020-12-22 06:56:56,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:56" (1/1) ... [2020-12-22 06:56:56,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:56:56,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:56:57,131 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_spec4_product61.cil.c[1281,1294] [2020-12-22 06:56:57,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:57,352 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:56:57,369 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_spec4_product61.cil.c[1281,1294] [2020-12-22 06:56:57,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:57,482 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:56:57,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57 WrapperNode [2020-12-22 06:56:57,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:57,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:57,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:56:57,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:56:57,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (1/1) ... [2020-12-22 06:56:57,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (1/1) ... [2020-12-22 06:56:57,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:57,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:56:57,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:56:57,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:56:57,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (1/1) ... [2020-12-22 06:56:57,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (1/1) ... [2020-12-22 06:56:57,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (1/1) ... [2020-12-22 06:56:57,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (1/1) ... [2020-12-22 06:56:57,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (1/1) ... [2020-12-22 06:56:57,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (1/1) ... [2020-12-22 06:56:57,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (1/1) ... [2020-12-22 06:56:57,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:56:57,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:56:57,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:56:57,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:56:57,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (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 06:56:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:56:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:56:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:56:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:56:59,246 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:56:59,247 INFO L299 CfgBuilder]: Removed 348 assume(true) statements. [2020-12-22 06:56:59,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:59 BoogieIcfgContainer [2020-12-22 06:56:59,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:56:59,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:56:59,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:56:59,255 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:56:59,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:56:56" (1/3) ... [2020-12-22 06:56:59,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123813fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:59, skipping insertion in model container [2020-12-22 06:56:59,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (2/3) ... [2020-12-22 06:56:59,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123813fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:59, skipping insertion in model container [2020-12-22 06:56:59,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:59" (3/3) ... [2020-12-22 06:56:59,259 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product61.cil.c [2020-12-22 06:56:59,266 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:56:59,272 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:56:59,292 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:56:59,325 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:56:59,326 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:56:59,326 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:56:59,326 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:56:59,326 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:56:59,327 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:56:59,327 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:56:59,327 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:56:59,352 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states. [2020-12-22 06:56:59,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:56:59,360 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:59,384 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:59,385 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:59,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:59,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1538221509, now seen corresponding path program 1 times [2020-12-22 06:56:59,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:59,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419449893] [2020-12-22 06:56:59,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:59,744 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 06:56:59,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419449893] [2020-12-22 06:56:59,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:59,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:59,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200185715] [2020-12-22 06:56:59,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:56:59,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:59,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:56:59,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:59,771 INFO L87 Difference]: Start difference. First operand 225 states. Second operand 2 states. [2020-12-22 06:56:59,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:59,834 INFO L93 Difference]: Finished difference Result 444 states and 665 transitions. [2020-12-22 06:56:59,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:56:59,836 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:56:59,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:59,856 INFO L225 Difference]: With dead ends: 444 [2020-12-22 06:56:59,856 INFO L226 Difference]: Without dead ends: 221 [2020-12-22 06:56:59,860 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 06:56:59,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-12-22 06:56:59,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2020-12-22 06:56:59,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-12-22 06:56:59,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 324 transitions. [2020-12-22 06:56:59,923 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 324 transitions. Word has length 16 [2020-12-22 06:56:59,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:59,924 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 324 transitions. [2020-12-22 06:56:59,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:56:59,924 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 324 transitions. [2020-12-22 06:56:59,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:56:59,926 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:59,926 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 06:56:59,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:56:59,927 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:59,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:59,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1505952337, now seen corresponding path program 1 times [2020-12-22 06:56:59,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:59,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823003501] [2020-12-22 06:56:59,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:00,051 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 06:57:00,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823003501] [2020-12-22 06:57:00,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:00,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:00,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48653866] [2020-12-22 06:57:00,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:00,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:00,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:00,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:00,055 INFO L87 Difference]: Start difference. First operand 221 states and 324 transitions. Second operand 3 states. [2020-12-22 06:57:00,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:00,078 INFO L93 Difference]: Finished difference Result 221 states and 324 transitions. [2020-12-22 06:57:00,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:00,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:57:00,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:00,083 INFO L225 Difference]: With dead ends: 221 [2020-12-22 06:57:00,084 INFO L226 Difference]: Without dead ends: 83 [2020-12-22 06:57:00,087 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 06:57:00,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-12-22 06:57:00,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-12-22 06:57:00,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-12-22 06:57:00,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2020-12-22 06:57:00,098 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 17 [2020-12-22 06:57:00,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:00,098 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2020-12-22 06:57:00,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:00,099 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2020-12-22 06:57:00,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:57:00,100 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:00,100 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 06:57:00,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:00,101 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:00,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:00,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1849279646, now seen corresponding path program 1 times [2020-12-22 06:57:00,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:00,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045089844] [2020-12-22 06:57:00,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:00,236 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 06:57:00,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045089844] [2020-12-22 06:57:00,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:00,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:00,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872263571] [2020-12-22 06:57:00,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:57:00,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:00,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:57:00,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:57:00,242 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand 6 states. [2020-12-22 06:57:00,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:00,418 INFO L93 Difference]: Finished difference Result 160 states and 236 transitions. [2020-12-22 06:57:00,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:57:00,418 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-12-22 06:57:00,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:00,420 INFO L225 Difference]: With dead ends: 160 [2020-12-22 06:57:00,420 INFO L226 Difference]: Without dead ends: 83 [2020-12-22 06:57:00,421 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 06:57:00,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-12-22 06:57:00,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-12-22 06:57:00,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-12-22 06:57:00,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2020-12-22 06:57:00,431 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 22 [2020-12-22 06:57:00,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:00,432 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2020-12-22 06:57:00,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:57:00,432 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2020-12-22 06:57:00,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:57:00,433 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:00,434 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 06:57:00,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:00,434 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:00,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:00,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1583482167, now seen corresponding path program 1 times [2020-12-22 06:57:00,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:00,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343381766] [2020-12-22 06:57:00,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:00,560 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 06:57:00,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343381766] [2020-12-22 06:57:00,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:00,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:00,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296113412] [2020-12-22 06:57:00,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:00,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:00,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:00,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:00,564 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand 3 states. [2020-12-22 06:57:00,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:00,640 INFO L93 Difference]: Finished difference Result 166 states and 242 transitions. [2020-12-22 06:57:00,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:00,642 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-12-22 06:57:00,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:00,643 INFO L225 Difference]: With dead ends: 166 [2020-12-22 06:57:00,643 INFO L226 Difference]: Without dead ends: 89 [2020-12-22 06:57:00,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 06:57:00,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-12-22 06:57:00,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2020-12-22 06:57:00,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-12-22 06:57:00,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2020-12-22 06:57:00,671 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 25 [2020-12-22 06:57:00,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:00,672 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2020-12-22 06:57:00,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2020-12-22 06:57:00,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 06:57:00,680 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:00,680 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:00,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:00,680 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:00,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:00,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1877204683, now seen corresponding path program 1 times [2020-12-22 06:57:00,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:00,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219751630] [2020-12-22 06:57:00,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:00,865 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 06:57:00,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219751630] [2020-12-22 06:57:00,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:00,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 06:57:00,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027962514] [2020-12-22 06:57:00,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:57:00,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:00,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:57:00,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:57:00,874 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand 8 states. [2020-12-22 06:57:01,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:01,381 INFO L93 Difference]: Finished difference Result 568 states and 818 transitions. [2020-12-22 06:57:01,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 06:57:01,381 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2020-12-22 06:57:01,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:01,385 INFO L225 Difference]: With dead ends: 568 [2020-12-22 06:57:01,386 INFO L226 Difference]: Without dead ends: 487 [2020-12-22 06:57:01,387 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-12-22 06:57:01,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2020-12-22 06:57:01,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 204. [2020-12-22 06:57:01,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-12-22 06:57:01,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 283 transitions. [2020-12-22 06:57:01,416 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 283 transitions. Word has length 31 [2020-12-22 06:57:01,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:01,416 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 283 transitions. [2020-12-22 06:57:01,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:57:01,417 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 283 transitions. [2020-12-22 06:57:01,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-22 06:57:01,419 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:01,419 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:01,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:01,419 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:01,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:01,420 INFO L82 PathProgramCache]: Analyzing trace with hash 26564831, now seen corresponding path program 1 times [2020-12-22 06:57:01,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:01,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377524127] [2020-12-22 06:57:01,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:01,536 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:57:01,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377524127] [2020-12-22 06:57:01,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:01,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:01,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422717361] [2020-12-22 06:57:01,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:01,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:01,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:01,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:01,541 INFO L87 Difference]: Start difference. First operand 204 states and 283 transitions. Second operand 5 states. [2020-12-22 06:57:01,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:01,639 INFO L93 Difference]: Finished difference Result 540 states and 739 transitions. [2020-12-22 06:57:01,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:01,640 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-12-22 06:57:01,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:01,642 INFO L225 Difference]: With dead ends: 540 [2020-12-22 06:57:01,643 INFO L226 Difference]: Without dead ends: 342 [2020-12-22 06:57:01,644 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 06:57:01,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-12-22 06:57:01,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 225. [2020-12-22 06:57:01,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-12-22 06:57:01,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 304 transitions. [2020-12-22 06:57:01,684 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 304 transitions. Word has length 52 [2020-12-22 06:57:01,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:01,686 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 304 transitions. [2020-12-22 06:57:01,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:01,686 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 304 transitions. [2020-12-22 06:57:01,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-22 06:57:01,692 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:01,693 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:01,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:01,693 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:01,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:01,696 INFO L82 PathProgramCache]: Analyzing trace with hash 728164705, now seen corresponding path program 1 times [2020-12-22 06:57:01,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:01,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029528600] [2020-12-22 06:57:01,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:01,788 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:57:01,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029528600] [2020-12-22 06:57:01,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:01,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:01,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662261096] [2020-12-22 06:57:01,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:57:01,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:01,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:57:01,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:57:01,792 INFO L87 Difference]: Start difference. First operand 225 states and 304 transitions. Second operand 4 states. [2020-12-22 06:57:01,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:01,872 INFO L93 Difference]: Finished difference Result 476 states and 640 transitions. [2020-12-22 06:57:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:57:01,873 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-12-22 06:57:01,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:01,875 INFO L225 Difference]: With dead ends: 476 [2020-12-22 06:57:01,875 INFO L226 Difference]: Without dead ends: 257 [2020-12-22 06:57:01,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:01,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-12-22 06:57:01,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 191. [2020-12-22 06:57:01,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-12-22 06:57:01,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 252 transitions. [2020-12-22 06:57:01,897 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 252 transitions. Word has length 52 [2020-12-22 06:57:01,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:01,898 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 252 transitions. [2020-12-22 06:57:01,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:57:01,898 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 252 transitions. [2020-12-22 06:57:01,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-22 06:57:01,899 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:01,900 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:01,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:01,900 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:01,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:01,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1967630623, now seen corresponding path program 1 times [2020-12-22 06:57:01,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:01,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317271397] [2020-12-22 06:57:01,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:01,987 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:57:01,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317271397] [2020-12-22 06:57:01,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:01,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:01,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670960765] [2020-12-22 06:57:01,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:57:01,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:01,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:57:01,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:57:01,991 INFO L87 Difference]: Start difference. First operand 191 states and 252 transitions. Second operand 6 states. [2020-12-22 06:57:02,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:02,206 INFO L93 Difference]: Finished difference Result 871 states and 1182 transitions. [2020-12-22 06:57:02,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:02,206 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2020-12-22 06:57:02,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:02,211 INFO L225 Difference]: With dead ends: 871 [2020-12-22 06:57:02,211 INFO L226 Difference]: Without dead ends: 686 [2020-12-22 06:57:02,212 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:57:02,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2020-12-22 06:57:02,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 374. [2020-12-22 06:57:02,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-12-22 06:57:02,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 490 transitions. [2020-12-22 06:57:02,254 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 490 transitions. Word has length 53 [2020-12-22 06:57:02,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:02,255 INFO L481 AbstractCegarLoop]: Abstraction has 374 states and 490 transitions. [2020-12-22 06:57:02,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:57:02,255 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 490 transitions. [2020-12-22 06:57:02,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:57:02,256 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:02,256 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:02,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:02,257 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:02,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:02,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1827053301, now seen corresponding path program 1 times [2020-12-22 06:57:02,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:02,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830449266] [2020-12-22 06:57:02,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:02,348 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:57:02,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830449266] [2020-12-22 06:57:02,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:02,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:02,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074658631] [2020-12-22 06:57:02,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:02,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:02,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:02,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:02,351 INFO L87 Difference]: Start difference. First operand 374 states and 490 transitions. Second operand 5 states. [2020-12-22 06:57:02,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:02,584 INFO L93 Difference]: Finished difference Result 1022 states and 1347 transitions. [2020-12-22 06:57:02,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:02,585 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-22 06:57:02,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:02,592 INFO L225 Difference]: With dead ends: 1022 [2020-12-22 06:57:02,592 INFO L226 Difference]: Without dead ends: 1020 [2020-12-22 06:57:02,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 06:57:02,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2020-12-22 06:57:02,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 374. [2020-12-22 06:57:02,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-12-22 06:57:02,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 488 transitions. [2020-12-22 06:57:02,670 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 488 transitions. Word has length 54 [2020-12-22 06:57:02,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:02,671 INFO L481 AbstractCegarLoop]: Abstraction has 374 states and 488 transitions. [2020-12-22 06:57:02,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:02,671 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 488 transitions. [2020-12-22 06:57:02,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-22 06:57:02,673 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:02,673 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:02,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:02,673 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:02,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:02,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1078505529, now seen corresponding path program 1 times [2020-12-22 06:57:02,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:02,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992438479] [2020-12-22 06:57:02,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:02,793 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:02,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992438479] [2020-12-22 06:57:02,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97762248] [2020-12-22 06:57:02,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:57:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:02,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-22 06:57:02,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:03,088 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:03,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:03,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-12-22 06:57:03,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691434349] [2020-12-22 06:57:03,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:57:03,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:03,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:57:03,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:57:03,093 INFO L87 Difference]: Start difference. First operand 374 states and 488 transitions. Second operand 6 states. [2020-12-22 06:57:03,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:03,434 INFO L93 Difference]: Finished difference Result 1114 states and 1467 transitions. [2020-12-22 06:57:03,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:03,434 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-12-22 06:57:03,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:03,440 INFO L225 Difference]: With dead ends: 1114 [2020-12-22 06:57:03,440 INFO L226 Difference]: Without dead ends: 796 [2020-12-22 06:57:03,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:57:03,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2020-12-22 06:57:03,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 468. [2020-12-22 06:57:03,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-12-22 06:57:03,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 604 transitions. [2020-12-22 06:57:03,541 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 604 transitions. Word has length 60 [2020-12-22 06:57:03,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:03,542 INFO L481 AbstractCegarLoop]: Abstraction has 468 states and 604 transitions. [2020-12-22 06:57:03,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:57:03,542 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 604 transitions. [2020-12-22 06:57:03,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-22 06:57:03,544 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:03,544 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 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 06:57:03,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:57:03,758 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:03,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:03,759 INFO L82 PathProgramCache]: Analyzing trace with hash 791216067, now seen corresponding path program 2 times [2020-12-22 06:57:03,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:03,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808722815] [2020-12-22 06:57:03,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:03,928 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:57:03,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808722815] [2020-12-22 06:57:03,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:03,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:03,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617906405] [2020-12-22 06:57:03,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:03,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:03,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:03,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:03,932 INFO L87 Difference]: Start difference. First operand 468 states and 604 transitions. Second operand 5 states. [2020-12-22 06:57:04,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:04,292 INFO L93 Difference]: Finished difference Result 1412 states and 1840 transitions. [2020-12-22 06:57:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:57:04,293 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-12-22 06:57:04,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:04,299 INFO L225 Difference]: With dead ends: 1412 [2020-12-22 06:57:04,299 INFO L226 Difference]: Without dead ends: 998 [2020-12-22 06:57:04,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:57:04,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2020-12-22 06:57:04,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 644. [2020-12-22 06:57:04,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 644 states. [2020-12-22 06:57:04,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 823 transitions. [2020-12-22 06:57:04,391 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 823 transitions. Word has length 85 [2020-12-22 06:57:04,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:04,391 INFO L481 AbstractCegarLoop]: Abstraction has 644 states and 823 transitions. [2020-12-22 06:57:04,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:04,391 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 823 transitions. [2020-12-22 06:57:04,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-22 06:57:04,393 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:04,394 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:04,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:57:04,394 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:04,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:04,395 INFO L82 PathProgramCache]: Analyzing trace with hash 396849281, now seen corresponding path program 1 times [2020-12-22 06:57:04,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:04,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396699236] [2020-12-22 06:57:04,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:04,528 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-22 06:57:04,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396699236] [2020-12-22 06:57:04,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:04,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 06:57:04,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219772646] [2020-12-22 06:57:04,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:57:04,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:04,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:57:04,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:04,531 INFO L87 Difference]: Start difference. First operand 644 states and 823 transitions. Second operand 7 states. [2020-12-22 06:57:04,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:04,703 INFO L93 Difference]: Finished difference Result 1228 states and 1564 transitions. [2020-12-22 06:57:04,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:57:04,704 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2020-12-22 06:57:04,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:04,705 INFO L225 Difference]: With dead ends: 1228 [2020-12-22 06:57:04,705 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:04,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:57:04,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:04,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:04,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:04,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:04,708 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2020-12-22 06:57:04,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:04,708 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:04,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:57:04,708 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:04,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:04,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:57:04,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:04,907 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 77 [2020-12-22 06:57:05,451 WARN L197 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2020-12-22 06:57:05,931 WARN L197 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 177 [2020-12-22 06:57:06,148 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 114 [2020-12-22 06:57:06,307 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 109 [2020-12-22 06:57:06,493 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 110 [2020-12-22 06:57:07,145 WARN L197 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 173 [2020-12-22 06:57:07,522 WARN L197 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 179 [2020-12-22 06:57:08,073 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 25 [2020-12-22 06:57:08,188 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-12-22 06:57:09,092 WARN L197 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-12-22 06:57:09,366 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 25 [2020-12-22 06:57:10,089 WARN L197 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 25 [2020-12-22 06:57:10,397 WARN L197 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2020-12-22 06:57:10,751 WARN L197 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 23 [2020-12-22 06:57:11,117 WARN L197 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 31 [2020-12-22 06:57:12,038 WARN L197 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 31 [2020-12-22 06:57:12,844 WARN L197 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 15 [2020-12-22 06:57:13,136 WARN L197 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 31 [2020-12-22 06:57:13,273 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 15 [2020-12-22 06:57:13,466 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 16 [2020-12-22 06:57:13,589 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 19 [2020-12-22 06:57:13,803 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 27 [2020-12-22 06:57:13,807 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:13,808 INFO L189 CegarLoopUtils]: For program point L169(lines 169 177) no Hoare annotation was computed. [2020-12-22 06:57:13,808 INFO L189 CegarLoopUtils]: For program point L169-1(lines 169 177) no Hoare annotation was computed. [2020-12-22 06:57:13,808 INFO L189 CegarLoopUtils]: For program point L169-2(lines 169 177) no Hoare annotation was computed. [2020-12-22 06:57:13,808 INFO L189 CegarLoopUtils]: For program point L169-3(lines 169 177) no Hoare annotation was computed. [2020-12-22 06:57:13,809 INFO L189 CegarLoopUtils]: For program point L169-4(lines 169 177) no Hoare annotation was computed. [2020-12-22 06:57:13,809 INFO L189 CegarLoopUtils]: For program point L169-5(lines 169 177) no Hoare annotation was computed. [2020-12-22 06:57:13,810 INFO L185 CegarLoopUtils]: At program point L963(lines 959 965) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~11 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~11 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~11 1)) [2020-12-22 06:57:13,810 INFO L185 CegarLoopUtils]: At program point L107(lines 106 125) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~11 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~11 1)) [2020-12-22 06:57:13,810 INFO L189 CegarLoopUtils]: For program point L107-1(lines 107 113) no Hoare annotation was computed. [2020-12-22 06:57:13,810 INFO L185 CegarLoopUtils]: At program point L107-2(lines 106 125) the Hoare annotation is: false [2020-12-22 06:57:13,811 INFO L185 CegarLoopUtils]: At program point L107-3(lines 106 125) the Hoare annotation is: false [2020-12-22 06:57:13,811 INFO L189 CegarLoopUtils]: For program point L439(lines 439 443) no Hoare annotation was computed. [2020-12-22 06:57:13,811 INFO L189 CegarLoopUtils]: For program point L373(lines 373 379) no Hoare annotation was computed. [2020-12-22 06:57:13,811 INFO L185 CegarLoopUtils]: At program point L373-1(lines 373 379) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~11 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~11 1))) (or (and (= ~pumpRunning~0 0) .cse0 (<= 1 ~waterLevel~0) .cse1 .cse2 .cse3) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-12-22 06:57:13,811 INFO L185 CegarLoopUtils]: At program point L507(lines 502 510) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_processEnvironment_~tmp~2 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~11 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~11 1)) [2020-12-22 06:57:13,811 INFO L185 CegarLoopUtils]: At program point L507-1(lines 502 510) the Hoare annotation is: false [2020-12-22 06:57:13,812 INFO L185 CegarLoopUtils]: At program point L507-2(lines 502 510) the Hoare annotation is: false [2020-12-22 06:57:13,812 INFO L185 CegarLoopUtils]: At program point L507-3(lines 502 510) the Hoare annotation is: false [2020-12-22 06:57:13,812 INFO L185 CegarLoopUtils]: At program point L507-4(lines 502 510) the Hoare annotation is: false [2020-12-22 06:57:13,812 INFO L185 CegarLoopUtils]: At program point L507-5(lines 502 510) the Hoare annotation is: false [2020-12-22 06:57:13,812 INFO L189 CegarLoopUtils]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,812 INFO L189 CegarLoopUtils]: For program point L310-2(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,812 INFO L189 CegarLoopUtils]: For program point L310-3(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,813 INFO L189 CegarLoopUtils]: For program point L310-5(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,813 INFO L189 CegarLoopUtils]: For program point L310-6(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,813 INFO L189 CegarLoopUtils]: For program point L310-8(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,813 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 06:57:13,813 INFO L189 CegarLoopUtils]: For program point L310-9(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,813 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-22 06:57:13,813 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-22 06:57:13,814 INFO L189 CegarLoopUtils]: For program point L310-11(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,814 INFO L189 CegarLoopUtils]: For program point L310-12(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,814 INFO L189 CegarLoopUtils]: For program point L310-14(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,814 INFO L189 CegarLoopUtils]: For program point L310-15(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,814 INFO L189 CegarLoopUtils]: For program point L310-17(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,814 INFO L189 CegarLoopUtils]: For program point L310-18(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,814 INFO L189 CegarLoopUtils]: For program point L310-20(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,815 INFO L189 CegarLoopUtils]: For program point L310-21(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,815 INFO L189 CegarLoopUtils]: For program point L310-23(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,815 INFO L189 CegarLoopUtils]: For program point L310-24(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,815 INFO L189 CegarLoopUtils]: For program point L310-26(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,815 INFO L189 CegarLoopUtils]: For program point L310-27(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,815 INFO L189 CegarLoopUtils]: For program point L310-29(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,815 INFO L189 CegarLoopUtils]: For program point L310-30(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,815 INFO L189 CegarLoopUtils]: For program point L310-32(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,816 INFO L189 CegarLoopUtils]: For program point L310-33(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,816 INFO L189 CegarLoopUtils]: For program point L310-35(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:57:13,816 INFO L185 CegarLoopUtils]: At program point L114(lines 114 120) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~11 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~11 1))) (or (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) .cse0 (<= 1 ~waterLevel~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| 1) .cse2))) [2020-12-22 06:57:13,816 INFO L185 CegarLoopUtils]: At program point L114-1(lines 114 120) the Hoare annotation is: false [2020-12-22 06:57:13,816 INFO L185 CegarLoopUtils]: At program point L114-2(lines 114 120) the Hoare annotation is: false [2020-12-22 06:57:13,816 INFO L185 CegarLoopUtils]: At program point L316(lines 301 319) the Hoare annotation is: false [2020-12-22 06:57:13,817 INFO L185 CegarLoopUtils]: At program point L316-1(lines 301 319) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~11 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~11 1))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~4 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (<= 1 ~waterLevel~0) .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:13,817 INFO L185 CegarLoopUtils]: At program point L316-2(lines 301 319) the Hoare annotation is: false [2020-12-22 06:57:13,817 INFO L185 CegarLoopUtils]: At program point L316-3(lines 301 319) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~11 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~11 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~4 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (<= 1 ~waterLevel~0) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3 .cse4))) [2020-12-22 06:57:13,817 INFO L185 CegarLoopUtils]: At program point L316-4(lines 301 319) the Hoare annotation is: false [2020-12-22 06:57:13,817 INFO L185 CegarLoopUtils]: At program point L316-5(lines 301 319) the Hoare annotation is: false [2020-12-22 06:57:13,818 INFO L185 CegarLoopUtils]: At program point L316-6(lines 301 319) the Hoare annotation is: false [2020-12-22 06:57:13,818 INFO L185 CegarLoopUtils]: At program point L316-7(lines 301 319) the Hoare annotation is: false [2020-12-22 06:57:13,818 INFO L185 CegarLoopUtils]: At program point L316-8(lines 301 319) the Hoare annotation is: false [2020-12-22 06:57:13,818 INFO L185 CegarLoopUtils]: At program point L316-9(lines 301 319) the Hoare annotation is: false [2020-12-22 06:57:13,818 INFO L185 CegarLoopUtils]: At program point L316-10(lines 301 319) the Hoare annotation is: false [2020-12-22 06:57:13,818 INFO L185 CegarLoopUtils]: At program point L316-11(lines 301 319) the Hoare annotation is: false [2020-12-22 06:57:13,818 INFO L189 CegarLoopUtils]: For program point L383(lines 383 394) no Hoare annotation was computed. [2020-12-22 06:57:13,819 INFO L185 CegarLoopUtils]: At program point L252(lines 245 255) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~11 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~11 1)) [2020-12-22 06:57:13,819 INFO L185 CegarLoopUtils]: At program point L252-1(lines 245 255) the Hoare annotation is: false [2020-12-22 06:57:13,819 INFO L185 CegarLoopUtils]: At program point L252-2(lines 245 255) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~2 0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~11 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~11 1)) [2020-12-22 06:57:13,819 INFO L185 CegarLoopUtils]: At program point L252-3(lines 245 255) the Hoare annotation is: false [2020-12-22 06:57:13,819 INFO L185 CegarLoopUtils]: At program point L252-4(lines 245 255) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~11 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~11 1)) [2020-12-22 06:57:13,819 INFO L185 CegarLoopUtils]: At program point L252-5(lines 245 255) the Hoare annotation is: false [2020-12-22 06:57:13,820 INFO L185 CegarLoopUtils]: At program point L252-6(lines 245 255) the Hoare annotation is: false [2020-12-22 06:57:13,820 INFO L185 CegarLoopUtils]: At program point L252-7(lines 245 255) the Hoare annotation is: false [2020-12-22 06:57:13,820 INFO L185 CegarLoopUtils]: At program point L252-8(lines 245 255) the Hoare annotation is: false [2020-12-22 06:57:13,820 INFO L185 CegarLoopUtils]: At program point L252-9(lines 245 255) the Hoare annotation is: false [2020-12-22 06:57:13,820 INFO L185 CegarLoopUtils]: At program point L252-10(lines 245 255) the Hoare annotation is: false [2020-12-22 06:57:13,821 INFO L185 CegarLoopUtils]: At program point L252-11(lines 245 255) the Hoare annotation is: false [2020-12-22 06:57:13,821 INFO L185 CegarLoopUtils]: At program point L252-12(lines 245 255) the Hoare annotation is: false [2020-12-22 06:57:13,821 INFO L185 CegarLoopUtils]: At program point L252-13(lines 245 255) the Hoare annotation is: false [2020-12-22 06:57:13,821 INFO L185 CegarLoopUtils]: At program point L252-14(lines 245 255) the Hoare annotation is: false [2020-12-22 06:57:13,821 INFO L185 CegarLoopUtils]: At program point L452(lines 447 455) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~11 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~11 1)) [2020-12-22 06:57:13,821 INFO L185 CegarLoopUtils]: At program point L452-1(lines 447 455) the Hoare annotation is: false [2020-12-22 06:57:13,822 INFO L185 CegarLoopUtils]: At program point L452-2(lines 447 455) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~2 0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~11 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~11 1)) [2020-12-22 06:57:13,822 INFO L185 CegarLoopUtils]: At program point L452-3(lines 447 455) the Hoare annotation is: false [2020-12-22 06:57:13,822 INFO L185 CegarLoopUtils]: At program point L452-4(lines 447 455) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~11 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~11 1)) [2020-12-22 06:57:13,822 INFO L185 CegarLoopUtils]: At program point L452-5(lines 447 455) the Hoare annotation is: false [2020-12-22 06:57:13,822 INFO L185 CegarLoopUtils]: At program point L452-6(lines 447 455) the Hoare annotation is: false [2020-12-22 06:57:13,822 INFO L185 CegarLoopUtils]: At program point L452-7(lines 447 455) the Hoare annotation is: false [2020-12-22 06:57:13,822 INFO L185 CegarLoopUtils]: At program point L452-8(lines 447 455) the Hoare annotation is: false [2020-12-22 06:57:13,823 INFO L185 CegarLoopUtils]: At program point L452-9(lines 447 455) the Hoare annotation is: false [2020-12-22 06:57:13,823 INFO L185 CegarLoopUtils]: At program point L452-10(lines 447 455) the Hoare annotation is: false [2020-12-22 06:57:13,823 INFO L185 CegarLoopUtils]: At program point L452-11(lines 447 455) the Hoare annotation is: false [2020-12-22 06:57:13,823 INFO L185 CegarLoopUtils]: At program point L452-12(lines 447 455) the Hoare annotation is: false [2020-12-22 06:57:13,823 INFO L185 CegarLoopUtils]: At program point L452-13(lines 447 455) the Hoare annotation is: false [2020-12-22 06:57:13,823 INFO L185 CegarLoopUtils]: At program point L452-14(lines 447 455) the Hoare annotation is: false [2020-12-22 06:57:13,824 INFO L185 CegarLoopUtils]: At program point L915-2(lines 915 929) the Hoare annotation is: false [2020-12-22 06:57:13,824 INFO L189 CegarLoopUtils]: For program point L916(line 916) no Hoare annotation was computed. [2020-12-22 06:57:13,824 INFO L189 CegarLoopUtils]: For program point L520(lines 520 533) no Hoare annotation was computed. [2020-12-22 06:57:13,824 INFO L185 CegarLoopUtils]: At program point L520-1(lines 1 998) the Hoare annotation is: (let ((.cse6 (= ULTIMATE.start_main_~tmp~11 ~waterLevel~0)) (.cse0 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)) (.cse7 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~11 ~systemActive~0)) (.cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~11 1))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ~methaneLevelCritical~0 0) .cse6 .cse7 .cse1 .cse2 .cse4 .cse5) (and .cse6 .cse0 .cse7 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:13,824 INFO L189 CegarLoopUtils]: For program point L520-2(lines 520 533) no Hoare annotation was computed. [2020-12-22 06:57:13,824 INFO L185 CegarLoopUtils]: At program point L520-3(lines 1 998) the Hoare annotation is: false [2020-12-22 06:57:13,824 INFO L189 CegarLoopUtils]: For program point L520-4(lines 520 533) no Hoare annotation was computed. [2020-12-22 06:57:13,825 INFO L185 CegarLoopUtils]: At program point L520-5(lines 1 998) the Hoare annotation is: false [2020-12-22 06:57:13,825 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:13,825 INFO L189 CegarLoopUtils]: For program point L389(lines 389 393) no Hoare annotation was computed. [2020-12-22 06:57:13,825 INFO L189 CegarLoopUtils]: For program point L389-2(lines 107 113) no Hoare annotation was computed. [2020-12-22 06:57:13,825 INFO L189 CegarLoopUtils]: For program point L191(lines 191 208) no Hoare annotation was computed. [2020-12-22 06:57:13,825 INFO L189 CegarLoopUtils]: For program point L191-1(lines 191 208) no Hoare annotation was computed. [2020-12-22 06:57:13,825 INFO L189 CegarLoopUtils]: For program point L191-2(lines 191 208) no Hoare annotation was computed. [2020-12-22 06:57:13,825 INFO L189 CegarLoopUtils]: For program point L919(lines 919 923) no Hoare annotation was computed. [2020-12-22 06:57:13,826 INFO L189 CegarLoopUtils]: For program point L919-1(lines 107 113) no Hoare annotation was computed. [2020-12-22 06:57:13,826 INFO L189 CegarLoopUtils]: For program point L986(lines 986 993) no Hoare annotation was computed. [2020-12-22 06:57:13,826 INFO L192 CegarLoopUtils]: At program point L986-1(lines 986 993) the Hoare annotation is: true [2020-12-22 06:57:13,826 INFO L189 CegarLoopUtils]: For program point L524(lines 524 530) no Hoare annotation was computed. [2020-12-22 06:57:13,826 INFO L189 CegarLoopUtils]: For program point L524-2(lines 524 530) no Hoare annotation was computed. [2020-12-22 06:57:13,826 INFO L189 CegarLoopUtils]: For program point L524-4(lines 524 530) no Hoare annotation was computed. [2020-12-22 06:57:13,826 INFO L185 CegarLoopUtils]: At program point L261(lines 256 264) the Hoare annotation is: false [2020-12-22 06:57:13,826 INFO L185 CegarLoopUtils]: At program point L261-1(lines 256 264) the Hoare annotation is: false [2020-12-22 06:57:13,827 INFO L189 CegarLoopUtils]: For program point L195(lines 195 203) no Hoare annotation was computed. [2020-12-22 06:57:13,827 INFO L185 CegarLoopUtils]: At program point L261-2(lines 256 264) the Hoare annotation is: false [2020-12-22 06:57:13,827 INFO L189 CegarLoopUtils]: For program point L195-1(lines 195 203) no Hoare annotation was computed. [2020-12-22 06:57:13,827 INFO L189 CegarLoopUtils]: For program point L195-2(lines 195 203) no Hoare annotation was computed. [2020-12-22 06:57:13,827 INFO L189 CegarLoopUtils]: For program point L329(lines 329 333) no Hoare annotation was computed. [2020-12-22 06:57:13,827 INFO L189 CegarLoopUtils]: For program point L329-2(lines 329 333) no Hoare annotation was computed. [2020-12-22 06:57:13,827 INFO L189 CegarLoopUtils]: For program point L329-3(lines 329 333) no Hoare annotation was computed. [2020-12-22 06:57:13,827 INFO L189 CegarLoopUtils]: For program point L329-5(lines 329 333) no Hoare annotation was computed. [2020-12-22 06:57:13,828 INFO L189 CegarLoopUtils]: For program point L329-6(lines 329 333) no Hoare annotation was computed. [2020-12-22 06:57:13,828 INFO L189 CegarLoopUtils]: For program point L329-8(lines 329 333) no Hoare annotation was computed. [2020-12-22 06:57:13,828 INFO L189 CegarLoopUtils]: For program point L329-9(lines 329 333) no Hoare annotation was computed. [2020-12-22 06:57:13,828 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:13,828 INFO L189 CegarLoopUtils]: For program point L329-11(lines 329 333) no Hoare annotation was computed. [2020-12-22 06:57:13,828 INFO L189 CegarLoopUtils]: For program point L329-12(lines 329 333) no Hoare annotation was computed. [2020-12-22 06:57:13,828 INFO L189 CegarLoopUtils]: For program point L329-14(lines 329 333) no Hoare annotation was computed. [2020-12-22 06:57:13,829 INFO L189 CegarLoopUtils]: For program point L329-15(lines 329 333) no Hoare annotation was computed. [2020-12-22 06:57:13,829 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:13,829 INFO L189 CegarLoopUtils]: For program point L329-17(lines 329 333) no Hoare annotation was computed. [2020-12-22 06:57:13,829 INFO L185 CegarLoopUtils]: At program point L399(lines 352 400) the Hoare annotation is: false [2020-12-22 06:57:13,829 INFO L192 CegarLoopUtils]: At program point L995(lines 976 998) the Hoare annotation is: true [2020-12-22 06:57:13,829 INFO L185 CegarLoopUtils]: At program point L335(lines 320 338) the Hoare annotation is: (and (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_processEnvironment_~tmp~2 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~11 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 0)) (= ULTIMATE.start_main_~tmp~11 1)) [2020-12-22 06:57:13,830 INFO L185 CegarLoopUtils]: At program point L335-1(lines 320 338) the Hoare annotation is: false [2020-12-22 06:57:13,830 INFO L185 CegarLoopUtils]: At program point L335-2(lines 320 338) the Hoare annotation is: false [2020-12-22 06:57:13,830 INFO L185 CegarLoopUtils]: At program point L335-3(lines 320 338) the Hoare annotation is: false [2020-12-22 06:57:13,830 INFO L185 CegarLoopUtils]: At program point L335-4(lines 320 338) the Hoare annotation is: false [2020-12-22 06:57:13,830 INFO L185 CegarLoopUtils]: At program point L335-5(lines 320 338) the Hoare annotation is: false [2020-12-22 06:57:13,830 INFO L189 CegarLoopUtils]: For program point L139(lines 139 156) no Hoare annotation was computed. [2020-12-22 06:57:13,830 INFO L189 CegarLoopUtils]: For program point L139-1(lines 139 156) no Hoare annotation was computed. [2020-12-22 06:57:13,831 INFO L189 CegarLoopUtils]: For program point L139-2(lines 139 156) no Hoare annotation was computed. [2020-12-22 06:57:13,831 INFO L189 CegarLoopUtils]: For program point L139-3(lines 139 156) no Hoare annotation was computed. [2020-12-22 06:57:13,831 INFO L189 CegarLoopUtils]: For program point L139-4(lines 139 156) no Hoare annotation was computed. [2020-12-22 06:57:13,831 INFO L189 CegarLoopUtils]: For program point L139-5(lines 139 156) no Hoare annotation was computed. [2020-12-22 06:57:13,831 INFO L189 CegarLoopUtils]: For program point L139-6(lines 139 156) no Hoare annotation was computed. [2020-12-22 06:57:13,831 INFO L189 CegarLoopUtils]: For program point L139-7(lines 139 156) no Hoare annotation was computed. [2020-12-22 06:57:13,831 INFO L189 CegarLoopUtils]: For program point L139-8(lines 139 156) no Hoare annotation was computed. [2020-12-22 06:57:13,831 INFO L189 CegarLoopUtils]: For program point L139-9(lines 139 156) no Hoare annotation was computed. [2020-12-22 06:57:13,832 INFO L189 CegarLoopUtils]: For program point L139-10(lines 139 156) no Hoare annotation was computed. [2020-12-22 06:57:13,832 INFO L189 CegarLoopUtils]: For program point L139-11(lines 139 156) no Hoare annotation was computed. [2020-12-22 06:57:13,832 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:13,832 INFO L185 CegarLoopUtils]: At program point L76(lines 1 998) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:13,832 INFO L189 CegarLoopUtils]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-12-22 06:57:13,832 INFO L189 CegarLoopUtils]: For program point L143-1(lines 143 151) no Hoare annotation was computed. [2020-12-22 06:57:13,833 INFO L189 CegarLoopUtils]: For program point L143-2(lines 143 151) no Hoare annotation was computed. [2020-12-22 06:57:13,833 INFO L189 CegarLoopUtils]: For program point L143-3(lines 143 151) no Hoare annotation was computed. [2020-12-22 06:57:13,833 INFO L189 CegarLoopUtils]: For program point L143-4(lines 143 151) no Hoare annotation was computed. [2020-12-22 06:57:13,833 INFO L189 CegarLoopUtils]: For program point L143-5(lines 143 151) no Hoare annotation was computed. [2020-12-22 06:57:13,833 INFO L189 CegarLoopUtils]: For program point L143-6(lines 143 151) no Hoare annotation was computed. [2020-12-22 06:57:13,833 INFO L189 CegarLoopUtils]: For program point L143-7(lines 143 151) no Hoare annotation was computed. [2020-12-22 06:57:13,833 INFO L189 CegarLoopUtils]: For program point L143-8(lines 143 151) no Hoare annotation was computed. [2020-12-22 06:57:13,833 INFO L189 CegarLoopUtils]: For program point L143-9(lines 143 151) no Hoare annotation was computed. [2020-12-22 06:57:13,834 INFO L189 CegarLoopUtils]: For program point L143-10(lines 143 151) no Hoare annotation was computed. [2020-12-22 06:57:13,834 INFO L189 CegarLoopUtils]: For program point L143-11(lines 143 151) no Hoare annotation was computed. [2020-12-22 06:57:13,834 INFO L185 CegarLoopUtils]: At program point L84(lines 79 87) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:13,834 INFO L189 CegarLoopUtils]: For program point L415(lines 415 419) no Hoare annotation was computed. [2020-12-22 06:57:13,834 INFO L189 CegarLoopUtils]: For program point L415-3(lines 415 419) no Hoare annotation was computed. [2020-12-22 06:57:13,834 INFO L189 CegarLoopUtils]: For program point L415-6(lines 415 419) no Hoare annotation was computed. [2020-12-22 06:57:13,834 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:13,835 INFO L185 CegarLoopUtils]: At program point L484(lines 479 487) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~11 ~systemActive~0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~11 1))) (or (and (= ~pumpRunning~0 0) .cse0 (<= 1 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:57:13,835 INFO L185 CegarLoopUtils]: At program point L484-1(lines 479 487) the Hoare annotation is: false [2020-12-22 06:57:13,835 INFO L185 CegarLoopUtils]: At program point L484-2(lines 479 487) the Hoare annotation is: false [2020-12-22 06:57:13,835 INFO L189 CegarLoopUtils]: For program point L354(lines 353 398) no Hoare annotation was computed. [2020-12-22 06:57:13,835 INFO L189 CegarLoopUtils]: For program point L355(lines 355 359) no Hoare annotation was computed. [2020-12-22 06:57:13,835 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:13,836 INFO L189 CegarLoopUtils]: For program point L227(lines 227 233) no Hoare annotation was computed. [2020-12-22 06:57:13,836 INFO L189 CegarLoopUtils]: For program point L227-2(lines 227 233) no Hoare annotation was computed. [2020-12-22 06:57:13,836 INFO L189 CegarLoopUtils]: For program point L227-4(lines 227 233) no Hoare annotation was computed. [2020-12-22 06:57:13,836 INFO L189 CegarLoopUtils]: For program point L227-6(lines 227 233) no Hoare annotation was computed. [2020-12-22 06:57:13,836 INFO L189 CegarLoopUtils]: For program point L227-8(lines 227 233) no Hoare annotation was computed. [2020-12-22 06:57:13,836 INFO L189 CegarLoopUtils]: For program point L227-10(lines 227 233) no Hoare annotation was computed. [2020-12-22 06:57:13,836 INFO L189 CegarLoopUtils]: For program point L227-12(lines 227 233) no Hoare annotation was computed. [2020-12-22 06:57:13,836 INFO L189 CegarLoopUtils]: For program point L227-14(lines 227 233) no Hoare annotation was computed. [2020-12-22 06:57:13,836 INFO L189 CegarLoopUtils]: For program point L227-16(lines 227 233) no Hoare annotation was computed. [2020-12-22 06:57:13,837 INFO L189 CegarLoopUtils]: For program point L227-18(lines 227 233) no Hoare annotation was computed. [2020-12-22 06:57:13,837 INFO L189 CegarLoopUtils]: For program point L227-20(lines 227 233) no Hoare annotation was computed. [2020-12-22 06:57:13,837 INFO L189 CegarLoopUtils]: For program point L227-22(lines 227 233) no Hoare annotation was computed. [2020-12-22 06:57:13,837 INFO L189 CegarLoopUtils]: For program point L492(lines 492 498) no Hoare annotation was computed. [2020-12-22 06:57:13,837 INFO L189 CegarLoopUtils]: For program point L492-1(lines 492 498) no Hoare annotation was computed. [2020-12-22 06:57:13,837 INFO L189 CegarLoopUtils]: For program point L492-2(lines 492 498) no Hoare annotation was computed. [2020-12-22 06:57:13,837 INFO L189 CegarLoopUtils]: For program point L492-3(lines 492 498) no Hoare annotation was computed. [2020-12-22 06:57:13,837 INFO L189 CegarLoopUtils]: For program point L492-4(lines 492 498) no Hoare annotation was computed. [2020-12-22 06:57:13,838 INFO L189 CegarLoopUtils]: For program point L492-5(lines 492 498) no Hoare annotation was computed. [2020-12-22 06:57:13,838 INFO L189 CegarLoopUtils]: For program point L492-6(lines 492 498) no Hoare annotation was computed. [2020-12-22 06:57:13,838 INFO L189 CegarLoopUtils]: For program point L492-7(lines 492 498) no Hoare annotation was computed. [2020-12-22 06:57:13,838 INFO L189 CegarLoopUtils]: For program point L492-8(lines 492 498) no Hoare annotation was computed. [2020-12-22 06:57:13,838 INFO L189 CegarLoopUtils]: For program point L492-9(lines 492 498) no Hoare annotation was computed. [2020-12-22 06:57:13,838 INFO L189 CegarLoopUtils]: For program point L492-10(lines 492 498) no Hoare annotation was computed. [2020-12-22 06:57:13,838 INFO L189 CegarLoopUtils]: For program point L492-11(lines 492 498) no Hoare annotation was computed. [2020-12-22 06:57:13,838 INFO L189 CegarLoopUtils]: For program point L427(lines 427 431) no Hoare annotation was computed. [2020-12-22 06:57:13,839 INFO L189 CegarLoopUtils]: For program point L363(lines 363 369) no Hoare annotation was computed. [2020-12-22 06:57:13,839 INFO L185 CegarLoopUtils]: At program point L363-1(lines 363 369) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~11 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~11 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~11 1))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7) .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse4 .cse5))) [2020-12-22 06:57:13,839 INFO L189 CegarLoopUtils]: For program point L165(lines 165 182) no Hoare annotation was computed. [2020-12-22 06:57:13,839 INFO L189 CegarLoopUtils]: For program point L165-1(lines 165 182) no Hoare annotation was computed. [2020-12-22 06:57:13,839 INFO L189 CegarLoopUtils]: For program point L165-2(lines 165 182) no Hoare annotation was computed. [2020-12-22 06:57:13,839 INFO L189 CegarLoopUtils]: For program point L165-3(lines 165 182) no Hoare annotation was computed. [2020-12-22 06:57:13,840 INFO L189 CegarLoopUtils]: For program point L165-4(lines 165 182) no Hoare annotation was computed. [2020-12-22 06:57:13,840 INFO L189 CegarLoopUtils]: For program point L165-5(lines 165 182) no Hoare annotation was computed. [2020-12-22 06:57:13,840 INFO L185 CegarLoopUtils]: At program point L497(lines 488 501) the Hoare annotation is: false [2020-12-22 06:57:13,840 INFO L185 CegarLoopUtils]: At program point L497-1(lines 488 501) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~11 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~11 1))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4 .cse5))) [2020-12-22 06:57:13,840 INFO L185 CegarLoopUtils]: At program point L497-2(lines 488 501) the Hoare annotation is: false [2020-12-22 06:57:13,840 INFO L185 CegarLoopUtils]: At program point L497-3(lines 488 501) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~11 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~11 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3 .cse4))) [2020-12-22 06:57:13,841 INFO L185 CegarLoopUtils]: At program point L497-4(lines 488 501) the Hoare annotation is: false [2020-12-22 06:57:13,841 INFO L185 CegarLoopUtils]: At program point L497-5(lines 488 501) the Hoare annotation is: false [2020-12-22 06:57:13,841 INFO L185 CegarLoopUtils]: At program point L497-6(lines 488 501) the Hoare annotation is: false [2020-12-22 06:57:13,841 INFO L185 CegarLoopUtils]: At program point L497-7(lines 488 501) the Hoare annotation is: false [2020-12-22 06:57:13,841 INFO L185 CegarLoopUtils]: At program point L497-8(lines 488 501) the Hoare annotation is: false [2020-12-22 06:57:13,841 INFO L185 CegarLoopUtils]: At program point L497-9(lines 488 501) the Hoare annotation is: false [2020-12-22 06:57:13,841 INFO L185 CegarLoopUtils]: At program point L497-10(lines 488 501) the Hoare annotation is: false [2020-12-22 06:57:13,842 INFO L185 CegarLoopUtils]: At program point L497-11(lines 488 501) the Hoare annotation is: false [2020-12-22 06:57:13,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:13 BoogieIcfgContainer [2020-12-22 06:57:13,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:13,885 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:13,885 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:13,885 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:13,886 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:59" (3/4) ... [2020-12-22 06:57:13,889 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:13,924 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:13,927 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:13,930 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:13,932 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:13,935 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:13,938 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:13,940 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:13,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-12-22 06:57:13,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methaneLevelCritical == 0 && tmp == waterLevel) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && tmp == 1 [2020-12-22 06:57:13,977 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= tmp && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && 1 <= \result) && \result == 1) && tmp == 1) || ((((((methaneLevelCritical == 0 && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1)) || (((((((tmp == waterLevel && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && 1 <= \result) && \result == 1) && tmp == 1) [2020-12-22 06:57:13,977 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 0 && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1) || ((((2 <= waterLevel && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1)) || (((((((tmp == waterLevel && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && 1 <= \result) && \result == 1) && tmp == 1) [2020-12-22 06:57:13,978 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && tmp == 1) || ((((2 <= waterLevel && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1) [2020-12-22 06:57:13,979 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && tmp == 1 [2020-12-22 06:57:13,979 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && tmp == 1) || ((((2 <= waterLevel && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1) [2020-12-22 06:57:13,980 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && 1 <= \result) && \result == 1) && tmp == 1) || (((((2 <= waterLevel && splverifierCounter == 0) && tmp == systemActive) && 1 <= \result) && \result == 1) && tmp == 1) [2020-12-22 06:57:13,981 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && tmp == 1 [2020-12-22 06:57:13,982 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && tmp == 1 [2020-12-22 06:57:13,983 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1) || ((((((pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && \result == 1) && tmp == 1) [2020-12-22 06:57:13,985 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1) || (((((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && \result == 1) && tmp == 1) [2020-12-22 06:57:13,987 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && tmp == 1 [2020-12-22 06:57:13,987 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1) || (((((((tmp == 0 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && \result == 1) && tmp == 1) [2020-12-22 06:57:13,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0 && !(\result == 0)) && \result == 0) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && !(tmp___0 == 0)) && tmp == 1 [2020-12-22 06:57:13,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1 [2020-12-22 06:57:13,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && \result == 0) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && \result == 1) && tmp == 1) || ((((((tmp == 0 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1) [2020-12-22 06:57:13,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1 [2020-12-22 06:57:13,991 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1 [2020-12-22 06:57:13,992 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1 [2020-12-22 06:57:14,157 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product61.cil.c-witness.graphml [2020-12-22 06:57:14,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:14,159 INFO L168 Benchmark]: Toolchain (without parser) took 17354.18 ms. Allocated memory was 168.8 MB in the beginning and 402.7 MB in the end (delta: 233.8 MB). Free memory was 143.2 MB in the beginning and 335.3 MB in the end (delta: -192.1 MB). Peak memory consumption was 42.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:14,159 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 125.8 MB. Free memory is still 80.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:14,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.39 ms. Allocated memory is still 168.8 MB. Free memory was 143.1 MB in the beginning and 121.0 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:14,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.49 ms. Allocated memory is still 168.8 MB. Free memory was 121.0 MB in the beginning and 115.1 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:14,161 INFO L168 Benchmark]: Boogie Preprocessor took 139.83 ms. Allocated memory is still 168.8 MB. Free memory was 115.1 MB in the beginning and 110.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:14,161 INFO L168 Benchmark]: RCFGBuilder took 1505.83 ms. Allocated memory is still 168.8 MB. Free memory was 110.9 MB in the beginning and 61.7 MB in the end (delta: 49.2 MB). Peak memory consumption was 51.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:14,162 INFO L168 Benchmark]: TraceAbstraction took 14633.33 ms. Allocated memory was 168.8 MB in the beginning and 402.7 MB in the end (delta: 233.8 MB). Free memory was 61.7 MB in the beginning and 354.7 MB in the end (delta: -293.0 MB). Peak memory consumption was 116.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:14,162 INFO L168 Benchmark]: Witness Printer took 272.74 ms. Allocated memory is still 402.7 MB. Free memory was 354.7 MB in the beginning and 335.3 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:14,166 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 125.8 MB. Free memory is still 80.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 671.39 ms. Allocated memory is still 168.8 MB. Free memory was 143.1 MB in the beginning and 121.0 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 118.49 ms. Allocated memory is still 168.8 MB. Free memory was 121.0 MB in the beginning and 115.1 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 139.83 ms. Allocated memory is still 168.8 MB. Free memory was 115.1 MB in the beginning and 110.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1505.83 ms. Allocated memory is still 168.8 MB. Free memory was 110.9 MB in the beginning and 61.7 MB in the end (delta: 49.2 MB). Peak memory consumption was 51.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14633.33 ms. Allocated memory was 168.8 MB in the beginning and 402.7 MB in the end (delta: 233.8 MB). Free memory was 61.7 MB in the beginning and 354.7 MB in the end (delta: -293.0 MB). Peak memory consumption was 116.0 MB. Max. memory is 8.0 GB. * Witness Printer took 272.74 ms. Allocated memory is still 402.7 MB. Free memory was 354.7 MB in the beginning and 335.3 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 245]: Loop Invariant Derived loop invariant: (((((tmp == 0 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1) || ((((((pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && \result == 1) && tmp == 1) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && tmp == 1 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: (((\result == waterLevel && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && tmp == 1) || ((((2 <= waterLevel && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1) || (((((((tmp == 0 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && \result == 1) && tmp == 1) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: (((((\result == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && tmp == 1) || ((((2 <= waterLevel && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((1 <= tmp && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && 1 <= \result) && \result == 1) && tmp == 1) || ((((((methaneLevelCritical == 0 && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1)) || (((((((tmp == waterLevel && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && 1 <= \result) && \result == 1) && tmp == 1) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && 1 <= \result) && \result == 1) && tmp == 1) || (((((2 <= waterLevel && splverifierCounter == 0) && tmp == systemActive) && 1 <= \result) && \result == 1) && tmp == 1) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1) || (((((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && \result == 1) && tmp == 1) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical == 0 && tmp == waterLevel) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && tmp == 1 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1) || ((((2 <= waterLevel && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1)) || (((((((tmp == waterLevel && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && 1 <= \result) && \result == 1) && tmp == 1) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && tmp == 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && \result == 0) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && \result == 1) && tmp == 1) || ((((((tmp == 0 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1) - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && tmp == 1 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: (((((tmp == 0 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && tmp == 1 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: (((((\result == 0 && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && tmp == 1 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: ((((((((tmp == 0 && !(\result == 0)) && \result == 0) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && !(tmp___0 == 0)) && tmp == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 225 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.3s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1887 SDtfs, 3215 SDslu, 3145 SDs, 0 SdLazy, 499 SolverSat, 111 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=644occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 2108 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 90 LocationsWithAnnotation, 90 PreInvPairs, 296 NumberOfFragments, 748 HoareAnnotationTreeSize, 90 FomulaSimplifications, 1414815 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 90 FomulaSimplificationsInter, 165006 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 612 NumberOfCodeBlocks, 612 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 57562 SizeOfPredicates, 3 NumberOfNonLiveVariables, 456 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 184/190 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...