./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43d840a4952877093d97c8e90564eb1be31dea0c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 16:16:36,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:16:36,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:16:36,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:16:36,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:16:36,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:16:36,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:16:36,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:16:36,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:16:36,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:16:36,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:16:36,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:16:36,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:16:36,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:16:36,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:16:36,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:16:36,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:16:36,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:16:36,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:16:36,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:16:36,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:16:36,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:16:36,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:16:36,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:16:36,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:16:36,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:16:36,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:16:36,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:16:36,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:16:36,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:16:36,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:16:36,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:16:36,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:16:36,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:16:36,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:16:36,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:16:36,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:16:36,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:16:36,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:16:36,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:16:36,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:16:36,630 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:16:36,649 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:16:36,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:16:36,650 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:16:36,650 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:16:36,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:16:36,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:16:36,651 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:16:36,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:16:36,652 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:16:36,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:16:36,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:16:36,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:16:36,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:16:36,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:16:36,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:16:36,653 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:16:36,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:16:36,653 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:16:36,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:16:36,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:16:36,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:16:36,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:16:36,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:16:36,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:16:36,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:16:36,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:16:36,654 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:16:36,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:16:36,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:16:36,655 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:16:36,655 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43d840a4952877093d97c8e90564eb1be31dea0c [2021-08-29 16:16:36,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:16:36,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:16:36,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:16:36,909 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:16:36,910 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:16:36,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2021-08-29 16:16:36,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93a9d2213/66ff9c1920b04b5bbc1e46dd8422fe2d/FLAG1ed13784a [2021-08-29 16:16:37,348 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:16:37,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2021-08-29 16:16:37,362 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93a9d2213/66ff9c1920b04b5bbc1e46dd8422fe2d/FLAG1ed13784a [2021-08-29 16:16:37,714 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93a9d2213/66ff9c1920b04b5bbc1e46dd8422fe2d [2021-08-29 16:16:37,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:16:37,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:16:37,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:16:37,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:16:37,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:16:37,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:16:37" (1/1) ... [2021-08-29 16:16:37,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@514c79da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:37, skipping insertion in model container [2021-08-29 16:16:37,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:16:37" (1/1) ... [2021-08-29 16:16:37,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:16:37,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:16:37,898 WARN L228 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_product55.cil.c[6563,6576] [2021-08-29 16:16:37,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:16:37,996 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:16:38,026 WARN L228 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_product55.cil.c[6563,6576] [2021-08-29 16:16:38,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:16:38,089 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:16:38,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:38 WrapperNode [2021-08-29 16:16:38,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:16:38,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:16:38,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:16:38,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:16:38,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:38" (1/1) ... [2021-08-29 16:16:38,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:38" (1/1) ... [2021-08-29 16:16:38,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:16:38,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:16:38,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:16:38,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:16:38,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:38" (1/1) ... [2021-08-29 16:16:38,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:38" (1/1) ... [2021-08-29 16:16:38,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:38" (1/1) ... [2021-08-29 16:16:38,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:38" (1/1) ... [2021-08-29 16:16:38,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:38" (1/1) ... [2021-08-29 16:16:38,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:38" (1/1) ... [2021-08-29 16:16:38,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:38" (1/1) ... [2021-08-29 16:16:38,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:16:38,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:16:38,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:16:38,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:16:38,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:38" (1/1) ... [2021-08-29 16:16:38,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:16:38,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:16:38,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 16:16:38,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 16:16:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:16:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:16:38,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:16:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:16:38,814 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:16:38,815 INFO L299 CfgBuilder]: Removed 280 assume(true) statements. [2021-08-29 16:16:38,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:38 BoogieIcfgContainer [2021-08-29 16:16:38,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:16:38,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:16:38,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:16:38,823 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:16:38,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:16:37" (1/3) ... [2021-08-29 16:16:38,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ed0913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:16:38, skipping insertion in model container [2021-08-29 16:16:38,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:38" (2/3) ... [2021-08-29 16:16:38,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ed0913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:16:38, skipping insertion in model container [2021-08-29 16:16:38,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:38" (3/3) ... [2021-08-29 16:16:38,826 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product55.cil.c [2021-08-29 16:16:38,830 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:16:38,831 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-29 16:16:38,861 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:16:38,865 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 16:16:38,865 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-29 16:16:38,877 INFO L276 IsEmpty]: Start isEmpty. Operand has 191 states, 187 states have (on average 1.5561497326203209) internal successors, (291), 190 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:38,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 16:16:38,881 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:38,881 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:38,882 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:38,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:38,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1084846627, now seen corresponding path program 1 times [2021-08-29 16:16:38,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:38,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257747983] [2021-08-29 16:16:38,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:38,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:39,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:39,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:39,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257747983] [2021-08-29 16:16:39,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257747983] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:39,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:39,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:16:39,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72912731] [2021-08-29 16:16:39,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 16:16:39,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:39,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 16:16:39,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:16:39,130 INFO L87 Difference]: Start difference. First operand has 191 states, 187 states have (on average 1.5561497326203209) internal successors, (291), 190 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:39,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:39,464 INFO L93 Difference]: Finished difference Result 376 states and 575 transitions. [2021-08-29 16:16:39,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 16:16:39,467 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-08-29 16:16:39,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:39,478 INFO L225 Difference]: With dead ends: 376 [2021-08-29 16:16:39,478 INFO L226 Difference]: Without dead ends: 187 [2021-08-29 16:16:39,481 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:16:39,484 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 204.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 269.64ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:39,486 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 284 Unknown, 0 Unchecked, 3.65ms Time], IncrementalHoareTripleChecker [0 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 269.64ms Time] [2021-08-29 16:16:39,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-08-29 16:16:39,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2021-08-29 16:16:39,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 184 states have (on average 1.516304347826087) internal successors, (279), 186 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:39,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2021-08-29 16:16:39,533 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2021-08-29 16:16:39,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:39,534 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2021-08-29 16:16:39,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:39,535 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2021-08-29 16:16:39,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-29 16:16:39,535 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:39,535 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:39,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:16:39,536 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:39,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:39,539 INFO L82 PathProgramCache]: Analyzing trace with hash 38089730, now seen corresponding path program 1 times [2021-08-29 16:16:39,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:39,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21953545] [2021-08-29 16:16:39,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:39,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:39,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:39,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:39,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21953545] [2021-08-29 16:16:39,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21953545] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:39,636 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:39,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:16:39,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105337967] [2021-08-29 16:16:39,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:39,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:39,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:39,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:39,643 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:39,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:39,764 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2021-08-29 16:16:39,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:39,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-08-29 16:16:39,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:39,766 INFO L225 Difference]: With dead ends: 187 [2021-08-29 16:16:39,766 INFO L226 Difference]: Without dead ends: 73 [2021-08-29 16:16:39,766 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.44ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:39,767 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 101 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.62ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 111.84ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:39,767 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 0 Invalid, 113 Unknown, 0 Unchecked, 0.62ms Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 111.84ms Time] [2021-08-29 16:16:39,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-08-29 16:16:39,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-08-29 16:16:39,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.5) internal successors, (108), 72 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:39,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2021-08-29 16:16:39,771 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 17 [2021-08-29 16:16:39,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:39,771 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2021-08-29 16:16:39,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:39,771 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2021-08-29 16:16:39,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-29 16:16:39,772 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:39,772 INFO L513 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] [2021-08-29 16:16:39,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:16:39,772 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:39,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:39,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1082167242, now seen corresponding path program 1 times [2021-08-29 16:16:39,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:39,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254869489] [2021-08-29 16:16:39,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:39,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:39,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:39,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:39,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254869489] [2021-08-29 16:16:39,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254869489] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:39,830 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:39,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:39,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271057441] [2021-08-29 16:16:39,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 16:16:39,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:39,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 16:16:39,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:16:39,831 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:40,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:40,184 INFO L93 Difference]: Finished difference Result 230 states and 346 transitions. [2021-08-29 16:16:40,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 16:16:40,185 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-08-29 16:16:40,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:40,186 INFO L225 Difference]: With dead ends: 230 [2021-08-29 16:16:40,186 INFO L226 Difference]: Without dead ends: 163 [2021-08-29 16:16:40,186 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.85ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 16:16:40,187 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 400 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 245.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.90ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 318.06ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:40,188 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [400 Valid, 0 Invalid, 550 Unknown, 0 Unchecked, 3.90ms Time], IncrementalHoareTripleChecker [2 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 318.06ms Time] [2021-08-29 16:16:40,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-08-29 16:16:40,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 92. [2021-08-29 16:16:40,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 91 states have (on average 1.5054945054945055) internal successors, (137), 91 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:40,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 137 transitions. [2021-08-29 16:16:40,195 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 137 transitions. Word has length 22 [2021-08-29 16:16:40,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:40,195 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 137 transitions. [2021-08-29 16:16:40,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:40,195 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 137 transitions. [2021-08-29 16:16:40,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-29 16:16:40,196 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:40,196 INFO L513 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] [2021-08-29 16:16:40,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 16:16:40,196 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:40,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:40,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1933185311, now seen corresponding path program 1 times [2021-08-29 16:16:40,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:40,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582909739] [2021-08-29 16:16:40,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:40,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:40,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:40,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582909739] [2021-08-29 16:16:40,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582909739] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:40,269 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:40,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:16:40,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330077829] [2021-08-29 16:16:40,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:40,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:40,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:40,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:40,277 INFO L87 Difference]: Start difference. First operand 92 states and 137 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:40,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:40,411 INFO L93 Difference]: Finished difference Result 187 states and 280 transitions. [2021-08-29 16:16:40,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:40,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-08-29 16:16:40,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:40,413 INFO L225 Difference]: With dead ends: 187 [2021-08-29 16:16:40,413 INFO L226 Difference]: Without dead ends: 101 [2021-08-29 16:16:40,413 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.49ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:40,414 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 46 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 93.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.54ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 121.03ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:40,415 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 0 Invalid, 144 Unknown, 0 Unchecked, 0.54ms Time], IncrementalHoareTripleChecker [13 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 121.03ms Time] [2021-08-29 16:16:40,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-08-29 16:16:40,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2021-08-29 16:16:40,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.4387755102040816) internal successors, (141), 98 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:40,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2021-08-29 16:16:40,421 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 25 [2021-08-29 16:16:40,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:40,422 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2021-08-29 16:16:40,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:40,422 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2021-08-29 16:16:40,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-29 16:16:40,423 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:40,423 INFO L513 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] [2021-08-29 16:16:40,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 16:16:40,423 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:40,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:40,424 INFO L82 PathProgramCache]: Analyzing trace with hash 2034893835, now seen corresponding path program 1 times [2021-08-29 16:16:40,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:40,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672585139] [2021-08-29 16:16:40,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:40,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:40,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:40,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:40,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672585139] [2021-08-29 16:16:40,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672585139] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:40,477 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:40,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:16:40,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643291273] [2021-08-29 16:16:40,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:40,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:40,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:40,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:40,479 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:40,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:40,861 INFO L93 Difference]: Finished difference Result 281 states and 403 transitions. [2021-08-29 16:16:40,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-29 16:16:40,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-08-29 16:16:40,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:40,863 INFO L225 Difference]: With dead ends: 281 [2021-08-29 16:16:40,863 INFO L226 Difference]: Without dead ends: 279 [2021-08-29 16:16:40,864 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 26.29ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:16:40,864 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 289 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 256.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.47ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 336.52ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:40,865 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 0 Invalid, 657 Unknown, 0 Unchecked, 2.47ms Time], IncrementalHoareTripleChecker [9 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 336.52ms Time] [2021-08-29 16:16:40,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2021-08-29 16:16:40,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 99. [2021-08-29 16:16:40,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.4183673469387754) internal successors, (139), 98 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:40,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 139 transitions. [2021-08-29 16:16:40,872 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 139 transitions. Word has length 25 [2021-08-29 16:16:40,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:40,872 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 139 transitions. [2021-08-29 16:16:40,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:40,872 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 139 transitions. [2021-08-29 16:16:40,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-08-29 16:16:40,873 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:40,873 INFO L513 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] [2021-08-29 16:16:40,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 16:16:40,874 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:40,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:40,874 INFO L82 PathProgramCache]: Analyzing trace with hash -899676752, now seen corresponding path program 1 times [2021-08-29 16:16:40,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:40,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124319566] [2021-08-29 16:16:40,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:40,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:40,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:40,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:40,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124319566] [2021-08-29 16:16:40,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124319566] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:40,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:40,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:40,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622436535] [2021-08-29 16:16:40,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:40,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:40,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:40,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:40,921 INFO L87 Difference]: Start difference. First operand 99 states and 139 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:41,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:41,234 INFO L93 Difference]: Finished difference Result 282 states and 395 transitions. [2021-08-29 16:16:41,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 16:16:41,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-08-29 16:16:41,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:41,236 INFO L225 Difference]: With dead ends: 282 [2021-08-29 16:16:41,236 INFO L226 Difference]: Without dead ends: 189 [2021-08-29 16:16:41,236 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.68ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:16:41,237 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 135 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 204.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.37ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 280.04ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:41,237 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 0 Invalid, 452 Unknown, 0 Unchecked, 1.37ms Time], IncrementalHoareTripleChecker [11 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 280.04ms Time] [2021-08-29 16:16:41,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-08-29 16:16:41,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 108. [2021-08-29 16:16:41,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.3831775700934579) internal successors, (148), 107 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:41,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 148 transitions. [2021-08-29 16:16:41,247 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 148 transitions. Word has length 31 [2021-08-29 16:16:41,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:41,247 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 148 transitions. [2021-08-29 16:16:41,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:41,248 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 148 transitions. [2021-08-29 16:16:41,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-08-29 16:16:41,248 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:41,249 INFO L513 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] [2021-08-29 16:16:41,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 16:16:41,249 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:41,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:41,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1292703762, now seen corresponding path program 1 times [2021-08-29 16:16:41,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:41,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676163040] [2021-08-29 16:16:41,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:41,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:41,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:41,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:41,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676163040] [2021-08-29 16:16:41,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676163040] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:41,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:41,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 16:16:41,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99455909] [2021-08-29 16:16:41,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 16:16:41,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:41,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 16:16:41,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:16:41,298 INFO L87 Difference]: Start difference. First operand 108 states and 148 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:41,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:41,615 INFO L93 Difference]: Finished difference Result 307 states and 420 transitions. [2021-08-29 16:16:41,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 16:16:41,616 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-08-29 16:16:41,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:41,619 INFO L225 Difference]: With dead ends: 307 [2021-08-29 16:16:41,619 INFO L226 Difference]: Without dead ends: 205 [2021-08-29 16:16:41,620 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 32.84ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-08-29 16:16:41,623 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 335 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 189.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.59ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 252.67ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:41,623 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [335 Valid, 0 Invalid, 335 Unknown, 0 Unchecked, 3.59ms Time], IncrementalHoareTripleChecker [9 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 252.67ms Time] [2021-08-29 16:16:41,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-08-29 16:16:41,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 114. [2021-08-29 16:16:41,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 113 states have (on average 1.3628318584070795) internal successors, (154), 113 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:41,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2021-08-29 16:16:41,638 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 31 [2021-08-29 16:16:41,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:41,639 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2021-08-29 16:16:41,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:41,639 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2021-08-29 16:16:41,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-08-29 16:16:41,641 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:41,642 INFO L513 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] [2021-08-29 16:16:41,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 16:16:41,642 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:41,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:41,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1034538324, now seen corresponding path program 1 times [2021-08-29 16:16:41,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:41,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049834056] [2021-08-29 16:16:41,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:41,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:41,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:41,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:41,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049834056] [2021-08-29 16:16:41,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049834056] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:41,695 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:41,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:16:41,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666345450] [2021-08-29 16:16:41,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:41,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:41,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:41,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:41,697 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:41,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:41,831 INFO L93 Difference]: Finished difference Result 309 states and 423 transitions. [2021-08-29 16:16:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:41,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-08-29 16:16:41,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:41,833 INFO L225 Difference]: With dead ends: 309 [2021-08-29 16:16:41,833 INFO L226 Difference]: Without dead ends: 201 [2021-08-29 16:16:41,833 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.27ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:41,833 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 53 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 92.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.44ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 119.08ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:41,834 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 0 Invalid, 197 Unknown, 0 Unchecked, 0.44ms Time], IncrementalHoareTripleChecker [8 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 119.08ms Time] [2021-08-29 16:16:41,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-08-29 16:16:41,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 199. [2021-08-29 16:16:41,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 198 states have (on average 1.3535353535353536) internal successors, (268), 198 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:41,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 268 transitions. [2021-08-29 16:16:41,853 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 268 transitions. Word has length 31 [2021-08-29 16:16:41,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:41,854 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 268 transitions. [2021-08-29 16:16:41,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:41,854 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 268 transitions. [2021-08-29 16:16:41,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-29 16:16:41,857 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:41,857 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:41,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 16:16:41,858 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:41,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:41,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1147669102, now seen corresponding path program 1 times [2021-08-29 16:16:41,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:41,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636251297] [2021-08-29 16:16:41,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:41,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:41,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:41,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:41,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636251297] [2021-08-29 16:16:41,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636251297] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:41,912 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:41,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:41,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472497282] [2021-08-29 16:16:41,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:41,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:41,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:41,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:41,917 INFO L87 Difference]: Start difference. First operand 199 states and 268 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:42,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:42,201 INFO L93 Difference]: Finished difference Result 541 states and 737 transitions. [2021-08-29 16:16:42,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 16:16:42,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-08-29 16:16:42,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:42,203 INFO L225 Difference]: With dead ends: 541 [2021-08-29 16:16:42,203 INFO L226 Difference]: Without dead ends: 348 [2021-08-29 16:16:42,203 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 16.75ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 16:16:42,204 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 223 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 189.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.54ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 240.31ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:42,204 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 0 Invalid, 508 Unknown, 0 Unchecked, 1.54ms Time], IncrementalHoareTripleChecker [11 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 240.31ms Time] [2021-08-29 16:16:42,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-08-29 16:16:42,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 254. [2021-08-29 16:16:42,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 253 states have (on average 1.3478260869565217) internal successors, (341), 253 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:42,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 341 transitions. [2021-08-29 16:16:42,219 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 341 transitions. Word has length 32 [2021-08-29 16:16:42,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:42,219 INFO L470 AbstractCegarLoop]: Abstraction has 254 states and 341 transitions. [2021-08-29 16:16:42,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:42,219 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 341 transitions. [2021-08-29 16:16:42,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-08-29 16:16:42,220 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:42,220 INFO L513 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] [2021-08-29 16:16:42,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 16:16:42,221 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:42,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:42,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1597254592, now seen corresponding path program 1 times [2021-08-29 16:16:42,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:42,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924101437] [2021-08-29 16:16:42,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:42,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:42,277 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:42,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:42,278 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924101437] [2021-08-29 16:16:42,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924101437] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:16:42,278 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263240696] [2021-08-29 16:16:42,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:42,279 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:16:42,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:16:42,280 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 16:16:42,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-29 16:16:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:42,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-29 16:16:42,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:16:42,602 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:42,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 16:16:42,745 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:42,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263240696] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 16:16:42,745 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 16:16:42,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2021-08-29 16:16:42,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14747820] [2021-08-29 16:16:42,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 16:16:42,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:42,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 16:16:42,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:16:42,747 INFO L87 Difference]: Start difference. First operand 254 states and 341 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:43,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:43,221 INFO L93 Difference]: Finished difference Result 833 states and 1125 transitions. [2021-08-29 16:16:43,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-29 16:16:43,222 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-08-29 16:16:43,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:43,224 INFO L225 Difference]: With dead ends: 833 [2021-08-29 16:16:43,224 INFO L226 Difference]: Without dead ends: 585 [2021-08-29 16:16:43,224 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 32.23ms TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-08-29 16:16:43,225 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 387 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 316.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.56ms SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 396.63ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:43,225 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [387 Valid, 0 Invalid, 675 Unknown, 0 Unchecked, 2.56ms Time], IncrementalHoareTripleChecker [27 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 396.63ms Time] [2021-08-29 16:16:43,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2021-08-29 16:16:43,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 377. [2021-08-29 16:16:43,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 376 states have (on average 1.3430851063829787) internal successors, (505), 376 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:43,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 505 transitions. [2021-08-29 16:16:43,246 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 505 transitions. Word has length 57 [2021-08-29 16:16:43,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:43,247 INFO L470 AbstractCegarLoop]: Abstraction has 377 states and 505 transitions. [2021-08-29 16:16:43,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:43,247 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 505 transitions. [2021-08-29 16:16:43,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-08-29 16:16:43,248 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:43,248 INFO L513 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] [2021-08-29 16:16:43,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-29 16:16:43,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-29 16:16:43,465 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:43,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:43,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1564199598, now seen corresponding path program 2 times [2021-08-29 16:16:43,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:43,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696176876] [2021-08-29 16:16:43,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:43,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:43,545 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-29 16:16:43,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:43,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696176876] [2021-08-29 16:16:43,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696176876] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:43,545 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:43,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:43,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264497101] [2021-08-29 16:16:43,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:43,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:43,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:43,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:43,547 INFO L87 Difference]: Start difference. First operand 377 states and 505 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:43,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:43,840 INFO L93 Difference]: Finished difference Result 1257 states and 1682 transitions. [2021-08-29 16:16:43,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:16:43,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-08-29 16:16:43,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:43,844 INFO L225 Difference]: With dead ends: 1257 [2021-08-29 16:16:43,845 INFO L226 Difference]: Without dead ends: 885 [2021-08-29 16:16:43,845 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.76ms TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:16:43,846 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 272 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 173.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.57ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 221.76ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:43,847 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 0 Invalid, 383 Unknown, 0 Unchecked, 1.57ms Time], IncrementalHoareTripleChecker [8 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 221.76ms Time] [2021-08-29 16:16:43,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2021-08-29 16:16:43,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 397. [2021-08-29 16:16:43,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.3434343434343434) internal successors, (532), 396 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:43,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 532 transitions. [2021-08-29 16:16:43,877 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 532 transitions. Word has length 82 [2021-08-29 16:16:43,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:43,878 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 532 transitions. [2021-08-29 16:16:43,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:43,879 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 532 transitions. [2021-08-29 16:16:43,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-08-29 16:16:43,880 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:43,881 INFO L513 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] [2021-08-29 16:16:43,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-29 16:16:43,882 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:43,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:43,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1169832812, now seen corresponding path program 1 times [2021-08-29 16:16:43,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:43,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92703859] [2021-08-29 16:16:43,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:43,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:43,941 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-08-29 16:16:43,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:43,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92703859] [2021-08-29 16:16:43,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92703859] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:43,942 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:43,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-29 16:16:43,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129337239] [2021-08-29 16:16:43,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-29 16:16:43,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:43,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-29 16:16:43,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:16:43,943 INFO L87 Difference]: Start difference. First operand 397 states and 532 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:44,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:44,321 INFO L93 Difference]: Finished difference Result 881 states and 1172 transitions. [2021-08-29 16:16:44,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 16:16:44,322 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-08-29 16:16:44,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:44,322 INFO L225 Difference]: With dead ends: 881 [2021-08-29 16:16:44,322 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:16:44,323 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 40.76ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-08-29 16:16:44,324 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 344 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 223.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.22ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 292.72ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:44,324 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [344 Valid, 0 Invalid, 514 Unknown, 0 Unchecked, 2.22ms Time], IncrementalHoareTripleChecker [1 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 292.72ms Time] [2021-08-29 16:16:44,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:16:44,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:16:44,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:44,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:16:44,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2021-08-29 16:16:44,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:44,325 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:16:44,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:44,325 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:16:44,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:16:44,328 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-08-29 16:16:44,328 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-08-29 16:16:44,328 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-08-29 16:16:44,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-29 16:16:44,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:16:44,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:44,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:45,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:48,124 INFO L858 garLoopResultBuilder]: For program point L167-6(lines 167 175) no Hoare annotation was computed. [2021-08-29 16:16:48,124 INFO L858 garLoopResultBuilder]: For program point L167-7(lines 167 175) no Hoare annotation was computed. [2021-08-29 16:16:48,124 INFO L858 garLoopResultBuilder]: For program point L167-8(lines 167 175) no Hoare annotation was computed. [2021-08-29 16:16:48,124 INFO L858 garLoopResultBuilder]: For program point L167-9(lines 167 175) no Hoare annotation was computed. [2021-08-29 16:16:48,124 INFO L858 garLoopResultBuilder]: For program point L167-10(lines 167 175) no Hoare annotation was computed. [2021-08-29 16:16:48,124 INFO L858 garLoopResultBuilder]: For program point L167-11(lines 167 175) no Hoare annotation was computed. [2021-08-29 16:16:48,124 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 432) no Hoare annotation was computed. [2021-08-29 16:16:48,124 INFO L858 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2021-08-29 16:16:48,125 INFO L858 garLoopResultBuilder]: For program point L432-1(line 432) no Hoare annotation was computed. [2021-08-29 16:16:48,125 INFO L858 garLoopResultBuilder]: For program point L432-2(line 432) no Hoare annotation was computed. [2021-08-29 16:16:48,125 INFO L854 garLoopResultBuilder]: At program point L268(lines 263 271) the Hoare annotation is: false [2021-08-29 16:16:48,125 INFO L854 garLoopResultBuilder]: At program point L268-1(lines 263 271) the Hoare annotation is: false [2021-08-29 16:16:48,125 INFO L854 garLoopResultBuilder]: At program point L268-2(lines 263 271) the Hoare annotation is: false [2021-08-29 16:16:48,125 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 933) no Hoare annotation was computed. [2021-08-29 16:16:48,125 INFO L858 garLoopResultBuilder]: For program point L336(lines 336 340) no Hoare annotation was computed. [2021-08-29 16:16:48,125 INFO L858 garLoopResultBuilder]: For program point L336-2(lines 336 340) no Hoare annotation was computed. [2021-08-29 16:16:48,126 INFO L858 garLoopResultBuilder]: For program point L336-3(lines 336 340) no Hoare annotation was computed. [2021-08-29 16:16:48,126 INFO L858 garLoopResultBuilder]: For program point L336-5(lines 336 340) no Hoare annotation was computed. [2021-08-29 16:16:48,126 INFO L854 garLoopResultBuilder]: At program point L138(lines 138 144) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (not (= 0 ~systemActive~0))))) [2021-08-29 16:16:48,126 INFO L858 garLoopResultBuilder]: For program point L336-6(lines 336 340) no Hoare annotation was computed. [2021-08-29 16:16:48,126 INFO L854 garLoopResultBuilder]: At program point L105(lines 56 106) the Hoare annotation is: false [2021-08-29 16:16:48,126 INFO L854 garLoopResultBuilder]: At program point L138-1(lines 138 144) the Hoare annotation is: false [2021-08-29 16:16:48,126 INFO L858 garLoopResultBuilder]: For program point L336-8(lines 336 340) no Hoare annotation was computed. [2021-08-29 16:16:48,126 INFO L854 garLoopResultBuilder]: At program point L138-2(lines 138 144) the Hoare annotation is: false [2021-08-29 16:16:48,127 INFO L858 garLoopResultBuilder]: For program point L336-9(lines 336 340) no Hoare annotation was computed. [2021-08-29 16:16:48,127 INFO L854 garLoopResultBuilder]: At program point L997(lines 992 1000) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_main_~tmp~7 1) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:16:48,127 INFO L858 garLoopResultBuilder]: For program point L336-11(lines 336 340) no Hoare annotation was computed. [2021-08-29 16:16:48,127 INFO L854 garLoopResultBuilder]: At program point L997-1(lines 992 1000) the Hoare annotation is: false [2021-08-29 16:16:48,127 INFO L858 garLoopResultBuilder]: For program point L336-12(lines 336 340) no Hoare annotation was computed. [2021-08-29 16:16:48,127 INFO L854 garLoopResultBuilder]: At program point L997-2(lines 992 1000) the Hoare annotation is: false [2021-08-29 16:16:48,127 INFO L854 garLoopResultBuilder]: At program point L997-3(lines 992 1000) the Hoare annotation is: false [2021-08-29 16:16:48,127 INFO L858 garLoopResultBuilder]: For program point L336-14(lines 336 340) no Hoare annotation was computed. [2021-08-29 16:16:48,128 INFO L854 garLoopResultBuilder]: At program point L997-4(lines 992 1000) the Hoare annotation is: false [2021-08-29 16:16:48,128 INFO L858 garLoopResultBuilder]: For program point L336-15(lines 336 340) no Hoare annotation was computed. [2021-08-29 16:16:48,128 INFO L854 garLoopResultBuilder]: At program point L997-5(lines 992 1000) the Hoare annotation is: false [2021-08-29 16:16:48,128 INFO L858 garLoopResultBuilder]: For program point L336-17(lines 336 340) no Hoare annotation was computed. [2021-08-29 16:16:48,128 INFO L858 garLoopResultBuilder]: For program point L372(lines 372 385) no Hoare annotation was computed. [2021-08-29 16:16:48,128 INFO L854 garLoopResultBuilder]: At program point L372-1(lines 1 1000) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse4 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse5))) [2021-08-29 16:16:48,128 INFO L858 garLoopResultBuilder]: For program point L372-2(lines 372 385) no Hoare annotation was computed. [2021-08-29 16:16:48,128 INFO L854 garLoopResultBuilder]: At program point L372-3(lines 1 1000) the Hoare annotation is: false [2021-08-29 16:16:48,129 INFO L858 garLoopResultBuilder]: For program point L372-4(lines 372 385) no Hoare annotation was computed. [2021-08-29 16:16:48,129 INFO L854 garLoopResultBuilder]: At program point L372-5(lines 1 1000) the Hoare annotation is: false [2021-08-29 16:16:48,129 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 432) no Hoare annotation was computed. [2021-08-29 16:16:48,129 INFO L858 garLoopResultBuilder]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-08-29 16:16:48,129 INFO L854 garLoopResultBuilder]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)))) [2021-08-29 16:16:48,129 INFO L854 garLoopResultBuilder]: At program point L342(lines 327 345) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (= ULTIMATE.start_main_~tmp~7 1) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (not (= 0 ~systemActive~0))) [2021-08-29 16:16:48,129 INFO L854 garLoopResultBuilder]: At program point L342-1(lines 327 345) the Hoare annotation is: false [2021-08-29 16:16:48,129 INFO L854 garLoopResultBuilder]: At program point L342-2(lines 327 345) the Hoare annotation is: false [2021-08-29 16:16:48,130 INFO L854 garLoopResultBuilder]: At program point L342-3(lines 327 345) the Hoare annotation is: false [2021-08-29 16:16:48,130 INFO L854 garLoopResultBuilder]: At program point L342-4(lines 327 345) the Hoare annotation is: false [2021-08-29 16:16:48,130 INFO L854 garLoopResultBuilder]: At program point L342-5(lines 327 345) the Hoare annotation is: false [2021-08-29 16:16:48,130 INFO L858 garLoopResultBuilder]: For program point L376(lines 376 382) no Hoare annotation was computed. [2021-08-29 16:16:48,130 INFO L858 garLoopResultBuilder]: For program point L376-2(lines 376 382) no Hoare annotation was computed. [2021-08-29 16:16:48,130 INFO L858 garLoopResultBuilder]: For program point L376-4(lines 376 382) no Hoare annotation was computed. [2021-08-29 16:16:48,130 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 909) no Hoare annotation was computed. [2021-08-29 16:16:48,130 INFO L858 garLoopResultBuilder]: For program point L905-3(lines 905 909) no Hoare annotation was computed. [2021-08-29 16:16:48,131 INFO L858 garLoopResultBuilder]: For program point L905-6(lines 905 909) no Hoare annotation was computed. [2021-08-29 16:16:48,131 INFO L854 garLoopResultBuilder]: At program point L974(lines 969 977) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (not (= 0 ~systemActive~0))))) [2021-08-29 16:16:48,131 INFO L854 garLoopResultBuilder]: At program point L974-1(lines 969 977) the Hoare annotation is: false [2021-08-29 16:16:48,131 INFO L854 garLoopResultBuilder]: At program point L974-2(lines 969 977) the Hoare annotation is: false [2021-08-29 16:16:48,131 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 232) no Hoare annotation was computed. [2021-08-29 16:16:48,131 INFO L858 garLoopResultBuilder]: For program point L215-1(lines 215 232) no Hoare annotation was computed. [2021-08-29 16:16:48,131 INFO L858 garLoopResultBuilder]: For program point L215-2(lines 215 232) no Hoare annotation was computed. [2021-08-29 16:16:48,131 INFO L854 garLoopResultBuilder]: At program point L942(lines 937 945) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:16:48,132 INFO L854 garLoopResultBuilder]: At program point L942-1(lines 937 945) the Hoare annotation is: false [2021-08-29 16:16:48,132 INFO L854 garLoopResultBuilder]: At program point L942-2(lines 937 945) the Hoare annotation is: false [2021-08-29 16:16:48,132 INFO L854 garLoopResultBuilder]: At program point L415(lines 1 1000) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-08-29 16:16:48,132 INFO L854 garLoopResultBuilder]: At program point L448-2(lines 448 462) the Hoare annotation is: false [2021-08-29 16:16:48,132 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-08-29 16:16:48,132 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 356) no Hoare annotation was computed. [2021-08-29 16:16:48,132 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:16:48,132 INFO L854 garLoopResultBuilder]: At program point L350-1(lines 350 356) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 1) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-08-29 16:16:48,132 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,133 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,133 INFO L858 garLoopResultBuilder]: For program point L317-3(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,133 INFO L858 garLoopResultBuilder]: For program point L317-5(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,133 INFO L858 garLoopResultBuilder]: For program point L317-6(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,133 INFO L858 garLoopResultBuilder]: For program point L317-8(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,133 INFO L858 garLoopResultBuilder]: For program point L317-9(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,133 INFO L858 garLoopResultBuilder]: For program point L317-11(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,133 INFO L858 garLoopResultBuilder]: For program point L317-12(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,134 INFO L858 garLoopResultBuilder]: For program point L317-14(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,134 INFO L858 garLoopResultBuilder]: For program point L317-15(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,134 INFO L858 garLoopResultBuilder]: For program point L317-17(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,134 INFO L858 garLoopResultBuilder]: For program point L317-18(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,134 INFO L858 garLoopResultBuilder]: For program point L317-20(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,134 INFO L858 garLoopResultBuilder]: For program point L317-21(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,134 INFO L858 garLoopResultBuilder]: For program point L317-23(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,134 INFO L858 garLoopResultBuilder]: For program point L317-24(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,134 INFO L858 garLoopResultBuilder]: For program point L317-26(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,135 INFO L858 garLoopResultBuilder]: For program point L317-27(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,135 INFO L858 garLoopResultBuilder]: For program point L317-29(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,135 INFO L858 garLoopResultBuilder]: For program point L317-30(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,135 INFO L858 garLoopResultBuilder]: For program point L317-32(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,135 INFO L858 garLoopResultBuilder]: For program point L317-33(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,135 INFO L858 garLoopResultBuilder]: For program point L219(lines 219 227) no Hoare annotation was computed. [2021-08-29 16:16:48,135 INFO L858 garLoopResultBuilder]: For program point L219-1(lines 219 227) no Hoare annotation was computed. [2021-08-29 16:16:48,135 INFO L858 garLoopResultBuilder]: For program point L317-35(lines 317 321) no Hoare annotation was computed. [2021-08-29 16:16:48,135 INFO L858 garLoopResultBuilder]: For program point L219-2(lines 219 227) no Hoare annotation was computed. [2021-08-29 16:16:48,136 INFO L858 garLoopResultBuilder]: For program point L87(lines 87 100) no Hoare annotation was computed. [2021-08-29 16:16:48,136 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 456) no Hoare annotation was computed. [2021-08-29 16:16:48,136 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 131 137) no Hoare annotation was computed. [2021-08-29 16:16:48,136 INFO L858 garLoopResultBuilder]: For program point L519(lines 519 526) no Hoare annotation was computed. [2021-08-29 16:16:48,136 INFO L861 garLoopResultBuilder]: At program point L519-1(lines 519 526) the Hoare annotation is: true [2021-08-29 16:16:48,136 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 206) no Hoare annotation was computed. [2021-08-29 16:16:48,136 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 189 206) no Hoare annotation was computed. [2021-08-29 16:16:48,136 INFO L858 garLoopResultBuilder]: For program point L189-2(lines 189 206) no Hoare annotation was computed. [2021-08-29 16:16:48,137 INFO L858 garLoopResultBuilder]: For program point L189-3(lines 189 206) no Hoare annotation was computed. [2021-08-29 16:16:48,137 INFO L858 garLoopResultBuilder]: For program point L189-4(lines 189 206) no Hoare annotation was computed. [2021-08-29 16:16:48,137 INFO L858 garLoopResultBuilder]: For program point L189-5(lines 189 206) no Hoare annotation was computed. [2021-08-29 16:16:48,137 INFO L858 garLoopResultBuilder]: For program point L982(lines 982 988) no Hoare annotation was computed. [2021-08-29 16:16:48,137 INFO L858 garLoopResultBuilder]: For program point L982-1(lines 982 988) no Hoare annotation was computed. [2021-08-29 16:16:48,137 INFO L858 garLoopResultBuilder]: For program point L982-2(lines 982 988) no Hoare annotation was computed. [2021-08-29 16:16:48,137 INFO L858 garLoopResultBuilder]: For program point L982-3(lines 982 988) no Hoare annotation was computed. [2021-08-29 16:16:48,137 INFO L858 garLoopResultBuilder]: For program point L982-4(lines 982 988) no Hoare annotation was computed. [2021-08-29 16:16:48,137 INFO L858 garLoopResultBuilder]: For program point L982-5(lines 982 988) no Hoare annotation was computed. [2021-08-29 16:16:48,138 INFO L858 garLoopResultBuilder]: For program point L982-6(lines 982 988) no Hoare annotation was computed. [2021-08-29 16:16:48,138 INFO L858 garLoopResultBuilder]: For program point L982-7(lines 982 988) no Hoare annotation was computed. [2021-08-29 16:16:48,138 INFO L858 garLoopResultBuilder]: For program point L982-8(lines 982 988) no Hoare annotation was computed. [2021-08-29 16:16:48,138 INFO L858 garLoopResultBuilder]: For program point L982-9(lines 982 988) no Hoare annotation was computed. [2021-08-29 16:16:48,138 INFO L858 garLoopResultBuilder]: For program point L982-10(lines 982 988) no Hoare annotation was computed. [2021-08-29 16:16:48,138 INFO L858 garLoopResultBuilder]: For program point L982-11(lines 982 988) no Hoare annotation was computed. [2021-08-29 16:16:48,138 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:16:48,138 INFO L858 garLoopResultBuilder]: For program point L58(lines 57 104) no Hoare annotation was computed. [2021-08-29 16:16:48,139 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 921) no Hoare annotation was computed. [2021-08-29 16:16:48,139 INFO L854 garLoopResultBuilder]: At program point L323(lines 308 326) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= ~waterLevel~0 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (= ULTIMATE.start_main_~tmp~7 1) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (not (= 0 ~systemActive~0))) [2021-08-29 16:16:48,139 INFO L854 garLoopResultBuilder]: At program point L323-1(lines 308 326) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (<= 1 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2021-08-29 16:16:48,139 INFO L854 garLoopResultBuilder]: At program point L323-2(lines 308 326) the Hoare annotation is: false [2021-08-29 16:16:48,139 INFO L854 garLoopResultBuilder]: At program point L323-3(lines 308 326) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (<= 1 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2021-08-29 16:16:48,139 INFO L854 garLoopResultBuilder]: At program point L323-4(lines 308 326) the Hoare annotation is: false [2021-08-29 16:16:48,139 INFO L854 garLoopResultBuilder]: At program point L323-5(lines 308 326) the Hoare annotation is: false [2021-08-29 16:16:48,140 INFO L854 garLoopResultBuilder]: At program point L323-6(lines 308 326) the Hoare annotation is: false [2021-08-29 16:16:48,140 INFO L854 garLoopResultBuilder]: At program point L323-7(lines 308 326) the Hoare annotation is: false [2021-08-29 16:16:48,140 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 63) no Hoare annotation was computed. [2021-08-29 16:16:48,140 INFO L854 garLoopResultBuilder]: At program point L323-8(lines 308 326) the Hoare annotation is: false [2021-08-29 16:16:48,140 INFO L854 garLoopResultBuilder]: At program point L323-9(lines 308 326) the Hoare annotation is: false [2021-08-29 16:16:48,140 INFO L854 garLoopResultBuilder]: At program point L323-10(lines 308 326) the Hoare annotation is: false [2021-08-29 16:16:48,140 INFO L854 garLoopResultBuilder]: At program point L323-11(lines 308 326) the Hoare annotation is: false [2021-08-29 16:16:48,140 INFO L854 garLoopResultBuilder]: At program point L423(lines 418 426) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-08-29 16:16:48,140 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-08-29 16:16:48,141 INFO L854 garLoopResultBuilder]: At program point L93-1(lines 131 137) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (not (= 0 ~systemActive~0))))) [2021-08-29 16:16:48,141 INFO L854 garLoopResultBuilder]: At program point L259(lines 252 262) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:16:48,141 INFO L854 garLoopResultBuilder]: At program point L259-1(lines 252 262) the Hoare annotation is: false [2021-08-29 16:16:48,141 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 201) no Hoare annotation was computed. [2021-08-29 16:16:48,141 INFO L854 garLoopResultBuilder]: At program point L259-2(lines 252 262) the Hoare annotation is: false [2021-08-29 16:16:48,141 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 193 201) no Hoare annotation was computed. [2021-08-29 16:16:48,141 INFO L858 garLoopResultBuilder]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2021-08-29 16:16:48,141 INFO L858 garLoopResultBuilder]: For program point L193-3(lines 193 201) no Hoare annotation was computed. [2021-08-29 16:16:48,142 INFO L858 garLoopResultBuilder]: For program point L193-4(lines 193 201) no Hoare annotation was computed. [2021-08-29 16:16:48,142 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:16:48,142 INFO L858 garLoopResultBuilder]: For program point L193-5(lines 193 201) no Hoare annotation was computed. [2021-08-29 16:16:48,142 INFO L854 garLoopResultBuilder]: At program point L987(lines 978 991) the Hoare annotation is: (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~7 1) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (not (= 0 ~systemActive~0))) [2021-08-29 16:16:48,142 INFO L854 garLoopResultBuilder]: At program point L987-1(lines 978 991) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2021-08-29 16:16:48,142 INFO L854 garLoopResultBuilder]: At program point L987-2(lines 978 991) the Hoare annotation is: false [2021-08-29 16:16:48,142 INFO L854 garLoopResultBuilder]: At program point L987-3(lines 978 991) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2021-08-29 16:16:48,142 INFO L854 garLoopResultBuilder]: At program point L987-4(lines 978 991) the Hoare annotation is: false [2021-08-29 16:16:48,143 INFO L854 garLoopResultBuilder]: At program point L987-5(lines 978 991) the Hoare annotation is: false [2021-08-29 16:16:48,143 INFO L854 garLoopResultBuilder]: At program point L987-6(lines 978 991) the Hoare annotation is: false [2021-08-29 16:16:48,143 INFO L854 garLoopResultBuilder]: At program point L987-7(lines 978 991) the Hoare annotation is: false [2021-08-29 16:16:48,143 INFO L854 garLoopResultBuilder]: At program point L987-8(lines 978 991) the Hoare annotation is: false [2021-08-29 16:16:48,143 INFO L854 garLoopResultBuilder]: At program point L987-9(lines 978 991) the Hoare annotation is: false [2021-08-29 16:16:48,143 INFO L854 garLoopResultBuilder]: At program point L987-10(lines 978 991) the Hoare annotation is: false [2021-08-29 16:16:48,143 INFO L854 garLoopResultBuilder]: At program point L987-11(lines 978 991) the Hoare annotation is: false [2021-08-29 16:16:48,143 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 180) no Hoare annotation was computed. [2021-08-29 16:16:48,144 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 163 180) no Hoare annotation was computed. [2021-08-29 16:16:48,144 INFO L858 garLoopResultBuilder]: For program point L163-2(lines 163 180) no Hoare annotation was computed. [2021-08-29 16:16:48,144 INFO L858 garLoopResultBuilder]: For program point L163-3(lines 163 180) no Hoare annotation was computed. [2021-08-29 16:16:48,144 INFO L858 garLoopResultBuilder]: For program point L163-4(lines 163 180) no Hoare annotation was computed. [2021-08-29 16:16:48,144 INFO L858 garLoopResultBuilder]: For program point L163-5(lines 163 180) no Hoare annotation was computed. [2021-08-29 16:16:48,144 INFO L858 garLoopResultBuilder]: For program point L163-6(lines 163 180) no Hoare annotation was computed. [2021-08-29 16:16:48,144 INFO L858 garLoopResultBuilder]: For program point L163-7(lines 163 180) no Hoare annotation was computed. [2021-08-29 16:16:48,144 INFO L858 garLoopResultBuilder]: For program point L163-8(lines 163 180) no Hoare annotation was computed. [2021-08-29 16:16:48,144 INFO L858 garLoopResultBuilder]: For program point L163-9(lines 163 180) no Hoare annotation was computed. [2021-08-29 16:16:48,145 INFO L858 garLoopResultBuilder]: For program point L163-10(lines 163 180) no Hoare annotation was computed. [2021-08-29 16:16:48,145 INFO L858 garLoopResultBuilder]: For program point L163-11(lines 163 180) no Hoare annotation was computed. [2021-08-29 16:16:48,145 INFO L854 garLoopResultBuilder]: At program point L131(lines 130 149) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))))) [2021-08-29 16:16:48,145 INFO L858 garLoopResultBuilder]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2021-08-29 16:16:48,145 INFO L854 garLoopResultBuilder]: At program point L131-2(lines 130 149) the Hoare annotation is: false [2021-08-29 16:16:48,145 INFO L854 garLoopResultBuilder]: At program point L131-3(lines 130 149) the Hoare annotation is: false [2021-08-29 16:16:48,145 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:16:48,145 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 432) no Hoare annotation was computed. [2021-08-29 16:16:48,146 INFO L861 garLoopResultBuilder]: At program point L528(lines 509 531) the Hoare annotation is: true [2021-08-29 16:16:48,146 INFO L854 garLoopResultBuilder]: At program point L496(lines 492 498) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~7 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-08-29 16:16:48,146 INFO L858 garLoopResultBuilder]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-08-29 16:16:48,146 INFO L854 garLoopResultBuilder]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)))) [2021-08-29 16:16:48,146 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 175) no Hoare annotation was computed. [2021-08-29 16:16:48,146 INFO L858 garLoopResultBuilder]: For program point L167-1(lines 167 175) no Hoare annotation was computed. [2021-08-29 16:16:48,146 INFO L858 garLoopResultBuilder]: For program point L167-2(lines 167 175) no Hoare annotation was computed. [2021-08-29 16:16:48,146 INFO L858 garLoopResultBuilder]: For program point L167-3(lines 167 175) no Hoare annotation was computed. [2021-08-29 16:16:48,147 INFO L858 garLoopResultBuilder]: For program point L167-4(lines 167 175) no Hoare annotation was computed. [2021-08-29 16:16:48,147 INFO L858 garLoopResultBuilder]: For program point L167-5(lines 167 175) no Hoare annotation was computed. [2021-08-29 16:16:48,150 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:16:48,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:16:48 BoogieIcfgContainer [2021-08-29 16:16:48,166 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:16:48,166 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:16:48,166 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:16:48,166 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:16:48,167 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:38" (3/4) ... [2021-08-29 16:16:48,169 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:16:48,181 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-29 16:16:48,182 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-29 16:16:48,183 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 16:16:48,184 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-29 16:16:48,184 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 16:16:48,185 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:16:48,186 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:16:48,200 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && 1 <= waterLevel) && \result == 1 [2021-08-29 16:16:48,201 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && waterLevel <= 1) && tmp == 1) && 1 == systemActive) && 1 <= waterLevel) && \result == 1 [2021-08-29 16:16:48,201 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && tmp == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && 1 <= tmp) && 1 <= \result)) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && \result == 1) && 2 <= \result) && 2 <= tmp) && !(0 == systemActive)) [2021-08-29 16:16:48,201 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && 1 <= tmp) && 1 <= \result) [2021-08-29 16:16:48,201 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && 1 <= tmp) && 1 <= \result) [2021-08-29 16:16:48,202 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-29 16:16:48,202 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && tmp == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-08-29 16:16:48,202 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-29 16:16:48,202 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1 [2021-08-29 16:16:48,203 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && 1 <= \result) || (((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && \result == 1) && 2 <= \result) && !(0 == systemActive)) [2021-08-29 16:16:48,203 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && tmp == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive) [2021-08-29 16:16:48,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && tmp == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive) [2021-08-29 16:16:48,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-29 16:16:48,205 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && tmp == 1) && !(tmp == 0)) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-29 16:16:48,205 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && \result == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive) [2021-08-29 16:16:48,206 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-29 16:16:48,206 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && \result == 0) && !(tmp___0 == 0)) && !(\result == 0)) && tmp == 1) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive) [2021-08-29 16:16:48,206 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && tmp == 1) && !(tmp == 0)) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-29 16:16:48,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && waterLevel <= 1) && tmp == 1) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive) [2021-08-29 16:16:48,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && waterLevel <= 1) && \result == 0) && tmp == 1) && !(tmp == 0)) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive) [2021-08-29 16:16:48,242 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:16:48,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:16:48,243 INFO L158 Benchmark]: Toolchain (without parser) took 10525.92ms. Allocated memory was 69.2MB in the beginning and 172.0MB in the end (delta: 102.8MB). Free memory was 49.4MB in the beginning and 100.4MB in the end (delta: -51.0MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2021-08-29 16:16:48,243 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory was 51.9MB in the beginning and 51.8MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:16:48,243 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.97ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 46.6MB in the end (delta: 2.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-08-29 16:16:48,243 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.90ms. Allocated memory is still 69.2MB. Free memory was 46.6MB in the beginning and 41.6MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 16:16:48,244 INFO L158 Benchmark]: Boogie Preprocessor took 45.07ms. Allocated memory is still 69.2MB. Free memory was 41.6MB in the beginning and 38.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 16:16:48,244 INFO L158 Benchmark]: RCFGBuilder took 608.04ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 37.9MB in the beginning and 55.4MB in the end (delta: -17.5MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2021-08-29 16:16:48,244 INFO L158 Benchmark]: TraceAbstraction took 9344.84ms. Allocated memory was 83.9MB in the beginning and 172.0MB in the end (delta: 88.1MB). Free memory was 54.6MB in the beginning and 117.1MB in the end (delta: -62.5MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. [2021-08-29 16:16:48,245 INFO L158 Benchmark]: Witness Printer took 76.01ms. Allocated memory is still 172.0MB. Free memory was 117.1MB in the beginning and 100.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-08-29 16:16:48,246 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory was 51.9MB in the beginning and 51.8MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.97ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 46.6MB in the end (delta: 2.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.90ms. Allocated memory is still 69.2MB. Free memory was 46.6MB in the beginning and 41.6MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.07ms. Allocated memory is still 69.2MB. Free memory was 41.6MB in the beginning and 38.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 608.04ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 37.9MB in the beginning and 55.4MB in the end (delta: -17.5MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * TraceAbstraction took 9344.84ms. Allocated memory was 83.9MB in the beginning and 172.0MB in the end (delta: 88.1MB). Free memory was 54.6MB in the beginning and 117.1MB in the end (delta: -62.5MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. * Witness Printer took 76.01ms. Allocated memory is still 172.0MB. Free memory was 117.1MB in the beginning and 100.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 432]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 432]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 432]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 191 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 9290.01ms, OverallIterations: 12, TraceHistogramMax: 3, EmptinessCheckTime: 18.60ms, AutomataDifference: 3640.85ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 3794.70ms, InitialAbstractionConstructionTime: 8.35ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2585 SdHoareTripleChecker+Valid, 2960.30ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2585 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 2276.98ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2630 mSDsCounter, 99 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4713 IncrementalHoareTripleChecker+Invalid, 4812 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 99 mSolverCounterUnsat, 0 mSDtfsCounter, 4713 mSolverCounterSat, 24.46ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 208 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 203.40ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=397occurred in iteration=11, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 166.73ms AutomataMinimizationTime, 12 MinimizatonAttempts, 1217 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 262 NumberOfFragments, 823 HoareAnnotationTreeSize, 68 FomulaSimplifications, 421982 FormulaSimplificationTreeSizeReduction, 958.89ms HoareSimplificationTime, 68 FomulaSimplificationsInter, 313365 FormulaSimplificationTreeSizeReductionInter, 2820.47ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 55.06ms SsaConstructionTime, 289.74ms SatisfiabilityAnalysisTime, 849.10ms InterpolantComputationTime, 508 NumberOfCodeBlocks, 508 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 551 ConstructedInterpolants, 0 QuantifiedInterpolants, 1005 SizeOfPredicates, 3 NumberOfNonLiveVariables, 440 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 139/148 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && tmp == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && waterLevel <= 1) && \result == 0) && tmp == 1) && !(tmp == 0)) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && \result == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && tmp == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && 1 <= tmp) && 1 <= \result)) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && \result == 1) && 2 <= \result) && 2 <= tmp) && !(0 == systemActive)) - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && waterLevel <= 1) && tmp == 1) && 1 == systemActive) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && 1 <= tmp) && 1 <= \result) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && tmp == 1) && !(tmp == 0)) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && 1 <= tmp) && 1 <= \result) - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: ((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && waterLevel <= 1) && tmp == 1) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive) - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: ((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && tmp == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && \result == 0) && !(tmp___0 == 0)) && !(\result == 0)) && tmp == 1) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && tmp == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && 1 <= \result) || (((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && \result == 1) && 2 <= \result) && !(0 == systemActive)) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: ((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && tmp == 1) && !(tmp == 0)) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-29 16:16:48,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...