./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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_spec2_product52.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 4583285deb29d8014ded34089a46614a743cea13eee9bbb990cdfd770bfce36e --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 17:24:00,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 17:24:00,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 17:24:00,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 17:24:00,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 17:24:00,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 17:24:00,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 17:24:00,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 17:24:00,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 17:24:00,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 17:24:00,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 17:24:00,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 17:24:00,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 17:24:00,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 17:24:00,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 17:24:00,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 17:24:00,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 17:24:00,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 17:24:00,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 17:24:00,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 17:24:00,143 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 17:24:00,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 17:24:00,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 17:24:00,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 17:24:00,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 17:24:00,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 17:24:00,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 17:24:00,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 17:24:00,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 17:24:00,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 17:24:00,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 17:24:00,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 17:24:00,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 17:24:00,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 17:24:00,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 17:24:00,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 17:24:00,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 17:24:00,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 17:24:00,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 17:24:00,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 17:24:00,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 17:24:00,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 17:24:00,161 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 17:24:00,184 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 17:24:00,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 17:24:00,184 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 17:24:00,184 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 17:24:00,185 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 17:24:00,185 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 17:24:00,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 17:24:00,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 17:24:00,186 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 17:24:00,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 17:24:00,187 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 17:24:00,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 17:24:00,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 17:24:00,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 17:24:00,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 17:24:00,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 17:24:00,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 17:24:00,188 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 17:24:00,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 17:24:00,188 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 17:24:00,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 17:24:00,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 17:24:00,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 17:24:00,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 17:24:00,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:24:00,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 17:24:00,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 17:24:00,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 17:24:00,190 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 17:24:00,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 17:24:00,190 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 17:24:00,190 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 17:24:00,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 17:24:00,191 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4583285deb29d8014ded34089a46614a743cea13eee9bbb990cdfd770bfce36e [2022-07-19 17:24:00,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 17:24:00,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 17:24:00,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 17:24:00,388 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 17:24:00,389 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 17:24:00,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2022-07-19 17:24:00,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8c20137d/5e7e1ea1227e4e2d98b0bc0a62e32656/FLAG414b6a748 [2022-07-19 17:24:00,789 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 17:24:00,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2022-07-19 17:24:00,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8c20137d/5e7e1ea1227e4e2d98b0bc0a62e32656/FLAG414b6a748 [2022-07-19 17:24:01,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8c20137d/5e7e1ea1227e4e2d98b0bc0a62e32656 [2022-07-19 17:24:01,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 17:24:01,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 17:24:01,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 17:24:01,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 17:24:01,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 17:24:01,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:24:01" (1/1) ... [2022-07-19 17:24:01,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d31db4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:01, skipping insertion in model container [2022-07-19 17:24:01,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:24:01" (1/1) ... [2022-07-19 17:24:01,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 17:24:01,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 17:24:01,478 WARN L230 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_spec2_product52.cil.c[19177,19190] [2022-07-19 17:24:01,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:24:01,493 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 17:24:01,544 WARN L230 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_spec2_product52.cil.c[19177,19190] [2022-07-19 17:24:01,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:24:01,557 INFO L208 MainTranslator]: Completed translation [2022-07-19 17:24:01,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:01 WrapperNode [2022-07-19 17:24:01,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 17:24:01,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 17:24:01,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 17:24:01,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 17:24:01,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:01" (1/1) ... [2022-07-19 17:24:01,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:01" (1/1) ... [2022-07-19 17:24:01,613 INFO L137 Inliner]: procedures = 58, calls = 158, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 265 [2022-07-19 17:24:01,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 17:24:01,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 17:24:01,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 17:24:01,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 17:24:01,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:01" (1/1) ... [2022-07-19 17:24:01,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:01" (1/1) ... [2022-07-19 17:24:01,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:01" (1/1) ... [2022-07-19 17:24:01,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:01" (1/1) ... [2022-07-19 17:24:01,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:01" (1/1) ... [2022-07-19 17:24:01,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:01" (1/1) ... [2022-07-19 17:24:01,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:01" (1/1) ... [2022-07-19 17:24:01,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 17:24:01,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 17:24:01,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 17:24:01,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 17:24:01,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:01" (1/1) ... [2022-07-19 17:24:01,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:24:01,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:24:01,686 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) [2022-07-19 17:24:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 17:24:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-19 17:24:01,717 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-19 17:24:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-19 17:24:01,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-19 17:24:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-19 17:24:01,717 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-19 17:24:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-19 17:24:01,717 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-19 17:24:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-19 17:24:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-19 17:24:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-19 17:24:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-19 17:24:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-19 17:24:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-19 17:24:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 17:24:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-19 17:24:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-19 17:24:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 17:24:01,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 17:24:01,705 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 [2022-07-19 17:24:01,793 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 17:24:01,794 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 17:24:02,097 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 17:24:02,107 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 17:24:02,107 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-19 17:24:02,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:24:02 BoogieIcfgContainer [2022-07-19 17:24:02,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 17:24:02,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 17:24:02,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 17:24:02,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 17:24:02,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 05:24:01" (1/3) ... [2022-07-19 17:24:02,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5061ff25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:24:02, skipping insertion in model container [2022-07-19 17:24:02,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:01" (2/3) ... [2022-07-19 17:24:02,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5061ff25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:24:02, skipping insertion in model container [2022-07-19 17:24:02,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:24:02" (3/3) ... [2022-07-19 17:24:02,115 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52.cil.c [2022-07-19 17:24:02,125 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 17:24:02,125 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 17:24:02,172 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 17:24:02,179 INFO L357 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, mAutomataTypeConcurrency=PETRI_NET, 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@56172384, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@49e12fd7 [2022-07-19 17:24:02,179 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 17:24:02,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 82 states have internal predecessors, (101), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-19 17:24:02,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-19 17:24:02,196 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:02,197 INFO L195 NwaCegarLoop]: 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] [2022-07-19 17:24:02,198 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:02,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:02,201 INFO L85 PathProgramCache]: Analyzing trace with hash -656399671, now seen corresponding path program 1 times [2022-07-19 17:24:02,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:02,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519572340] [2022-07-19 17:24:02,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:02,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:02,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 17:24:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:02,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:24:02,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:02,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519572340] [2022-07-19 17:24:02,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519572340] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:02,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:02,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 17:24:02,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486678493] [2022-07-19 17:24:02,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:02,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 17:24:02,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:02,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 17:24:02,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:24:02,398 INFO L87 Difference]: Start difference. First operand has 96 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 82 states have internal predecessors, (101), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:24:02,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:02,438 INFO L93 Difference]: Finished difference Result 183 states and 248 transitions. [2022-07-19 17:24:02,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 17:24:02,439 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-19 17:24:02,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:02,449 INFO L225 Difference]: With dead ends: 183 [2022-07-19 17:24:02,449 INFO L226 Difference]: Without dead ends: 87 [2022-07-19 17:24:02,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:24:02,456 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:02,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:24:02,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-07-19 17:24:02,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2022-07-19 17:24:02,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 74 states have internal predecessors, (87), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-19 17:24:02,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2022-07-19 17:24:02,502 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 25 [2022-07-19 17:24:02,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:02,502 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2022-07-19 17:24:02,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:24:02,503 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2022-07-19 17:24:02,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-19 17:24:02,505 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:02,505 INFO L195 NwaCegarLoop]: 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] [2022-07-19 17:24:02,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 17:24:02,506 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:02,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:02,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1991216904, now seen corresponding path program 1 times [2022-07-19 17:24:02,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:02,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944526474] [2022-07-19 17:24:02,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:02,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:02,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 17:24:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:02,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:24:02,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:02,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944526474] [2022-07-19 17:24:02,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944526474] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:02,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:02,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:24:02,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755691525] [2022-07-19 17:24:02,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:02,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:24:02,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:02,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:24:02,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:24:02,613 INFO L87 Difference]: Start difference. First operand 87 states and 112 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:24:02,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:02,638 INFO L93 Difference]: Finished difference Result 134 states and 172 transitions. [2022-07-19 17:24:02,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:24:02,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-07-19 17:24:02,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:02,641 INFO L225 Difference]: With dead ends: 134 [2022-07-19 17:24:02,641 INFO L226 Difference]: Without dead ends: 78 [2022-07-19 17:24:02,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:24:02,642 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 17 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:02,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 176 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:24:02,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-07-19 17:24:02,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-07-19 17:24:02,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 68 states have internal predecessors, (80), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-07-19 17:24:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2022-07-19 17:24:02,648 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 26 [2022-07-19 17:24:02,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:02,648 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2022-07-19 17:24:02,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:24:02,648 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2022-07-19 17:24:02,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-19 17:24:02,649 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:02,649 INFO L195 NwaCegarLoop]: 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] [2022-07-19 17:24:02,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 17:24:02,649 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:02,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:02,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1985117727, now seen corresponding path program 1 times [2022-07-19 17:24:02,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:02,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995459758] [2022-07-19 17:24:02,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:02,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:02,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 17:24:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:02,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:24:02,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:02,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995459758] [2022-07-19 17:24:02,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995459758] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:02,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:02,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:24:02,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191162027] [2022-07-19 17:24:02,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:02,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:24:02,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:02,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:24:02,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:24:02,731 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:24:02,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:02,791 INFO L93 Difference]: Finished difference Result 191 states and 249 transitions. [2022-07-19 17:24:02,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 17:24:02,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-07-19 17:24:02,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:02,793 INFO L225 Difference]: With dead ends: 191 [2022-07-19 17:24:02,794 INFO L226 Difference]: Without dead ends: 121 [2022-07-19 17:24:02,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 17:24:02,797 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 165 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:02,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 342 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:24:02,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-07-19 17:24:02,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 118. [2022-07-19 17:24:02,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 90 states have (on average 1.3555555555555556) internal successors, (122), 101 states have internal predecessors, (122), 15 states have call successors, (15), 12 states have call predecessors, (15), 12 states have return successors, (16), 11 states have call predecessors, (16), 15 states have call successors, (16) [2022-07-19 17:24:02,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 153 transitions. [2022-07-19 17:24:02,811 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 153 transitions. Word has length 31 [2022-07-19 17:24:02,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:02,811 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 153 transitions. [2022-07-19 17:24:02,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:24:02,811 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 153 transitions. [2022-07-19 17:24:02,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-19 17:24:02,812 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:02,813 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:02,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 17:24:02,813 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:02,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:02,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1980394589, now seen corresponding path program 1 times [2022-07-19 17:24:02,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:02,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765418210] [2022-07-19 17:24:02,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:02,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:02,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:24:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:02,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:24:02,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:02,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765418210] [2022-07-19 17:24:02,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765418210] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:02,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:02,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:24:02,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047860783] [2022-07-19 17:24:02,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:02,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:24:02,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:02,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:24:02,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:24:02,881 INFO L87 Difference]: Start difference. First operand 118 states and 153 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:24:02,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:02,954 INFO L93 Difference]: Finished difference Result 272 states and 364 transitions. [2022-07-19 17:24:02,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 17:24:02,954 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-07-19 17:24:02,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:02,956 INFO L225 Difference]: With dead ends: 272 [2022-07-19 17:24:02,956 INFO L226 Difference]: Without dead ends: 162 [2022-07-19 17:24:02,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:24:02,957 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 78 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:02,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 387 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:24:02,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-07-19 17:24:02,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 152. [2022-07-19 17:24:02,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 116 states have (on average 1.293103448275862) internal successors, (150), 126 states have internal predecessors, (150), 18 states have call successors, (18), 17 states have call predecessors, (18), 17 states have return successors, (24), 17 states have call predecessors, (24), 18 states have call successors, (24) [2022-07-19 17:24:02,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 192 transitions. [2022-07-19 17:24:02,976 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 192 transitions. Word has length 34 [2022-07-19 17:24:02,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:02,976 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 192 transitions. [2022-07-19 17:24:02,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:24:02,976 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 192 transitions. [2022-07-19 17:24:02,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-19 17:24:02,977 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:02,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:02,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 17:24:02,977 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:02,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:02,978 INFO L85 PathProgramCache]: Analyzing trace with hash 501495073, now seen corresponding path program 1 times [2022-07-19 17:24:02,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:02,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354071786] [2022-07-19 17:24:02,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:02,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:03,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:24:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:03,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 17:24:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:03,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:24:03,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:03,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354071786] [2022-07-19 17:24:03,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354071786] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:03,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:03,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 17:24:03,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989805730] [2022-07-19 17:24:03,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:03,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 17:24:03,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:03,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 17:24:03,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 17:24:03,019 INFO L87 Difference]: Start difference. First operand 152 states and 192 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:24:03,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:03,111 INFO L93 Difference]: Finished difference Result 323 states and 408 transitions. [2022-07-19 17:24:03,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:24:03,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 48 [2022-07-19 17:24:03,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:03,116 INFO L225 Difference]: With dead ends: 323 [2022-07-19 17:24:03,117 INFO L226 Difference]: Without dead ends: 179 [2022-07-19 17:24:03,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:24:03,119 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 92 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:03,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 265 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:24:03,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-07-19 17:24:03,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 175. [2022-07-19 17:24:03,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 134 states have (on average 1.2761194029850746) internal successors, (171), 144 states have internal predecessors, (171), 20 states have call successors, (20), 17 states have call predecessors, (20), 20 states have return successors, (27), 21 states have call predecessors, (27), 20 states have call successors, (27) [2022-07-19 17:24:03,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 218 transitions. [2022-07-19 17:24:03,134 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 218 transitions. Word has length 48 [2022-07-19 17:24:03,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:03,135 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 218 transitions. [2022-07-19 17:24:03,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:24:03,135 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 218 transitions. [2022-07-19 17:24:03,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-19 17:24:03,136 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:03,136 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:03,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 17:24:03,137 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:03,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:03,137 INFO L85 PathProgramCache]: Analyzing trace with hash -316583003, now seen corresponding path program 1 times [2022-07-19 17:24:03,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:03,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145553686] [2022-07-19 17:24:03,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:03,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:03,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 17:24:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:03,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 17:24:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:03,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:24:03,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:03,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145553686] [2022-07-19 17:24:03,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145553686] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:03,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:03,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:24:03,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106333332] [2022-07-19 17:24:03,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:03,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:24:03,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:03,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:24:03,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:24:03,209 INFO L87 Difference]: Start difference. First operand 175 states and 218 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 17:24:03,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:03,316 INFO L93 Difference]: Finished difference Result 350 states and 442 transitions. [2022-07-19 17:24:03,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 17:24:03,316 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-07-19 17:24:03,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:03,317 INFO L225 Difference]: With dead ends: 350 [2022-07-19 17:24:03,317 INFO L226 Difference]: Without dead ends: 183 [2022-07-19 17:24:03,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:24:03,322 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 63 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:03,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 375 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:24:03,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-07-19 17:24:03,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 178. [2022-07-19 17:24:03,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 137 states have (on average 1.27007299270073) internal successors, (174), 147 states have internal predecessors, (174), 20 states have call successors, (20), 17 states have call predecessors, (20), 20 states have return successors, (27), 21 states have call predecessors, (27), 20 states have call successors, (27) [2022-07-19 17:24:03,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 221 transitions. [2022-07-19 17:24:03,340 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 221 transitions. Word has length 45 [2022-07-19 17:24:03,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:03,341 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 221 transitions. [2022-07-19 17:24:03,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 17:24:03,341 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 221 transitions. [2022-07-19 17:24:03,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-19 17:24:03,342 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:03,342 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:03,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 17:24:03,342 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:03,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:03,342 INFO L85 PathProgramCache]: Analyzing trace with hash -2005526745, now seen corresponding path program 1 times [2022-07-19 17:24:03,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:03,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111520395] [2022-07-19 17:24:03,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:03,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:03,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 17:24:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:03,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 17:24:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:03,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:24:03,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:03,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111520395] [2022-07-19 17:24:03,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111520395] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:03,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:03,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:24:03,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59786918] [2022-07-19 17:24:03,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:03,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:24:03,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:03,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:24:03,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:24:03,387 INFO L87 Difference]: Start difference. First operand 178 states and 221 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 17:24:03,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:03,488 INFO L93 Difference]: Finished difference Result 358 states and 454 transitions. [2022-07-19 17:24:03,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:24:03,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-07-19 17:24:03,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:03,490 INFO L225 Difference]: With dead ends: 358 [2022-07-19 17:24:03,490 INFO L226 Difference]: Without dead ends: 188 [2022-07-19 17:24:03,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:24:03,491 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 67 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:03,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 295 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:24:03,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2022-07-19 17:24:03,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 180. [2022-07-19 17:24:03,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 139 states have (on average 1.2661870503597121) internal successors, (176), 149 states have internal predecessors, (176), 20 states have call successors, (20), 17 states have call predecessors, (20), 20 states have return successors, (27), 21 states have call predecessors, (27), 20 states have call successors, (27) [2022-07-19 17:24:03,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 223 transitions. [2022-07-19 17:24:03,501 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 223 transitions. Word has length 45 [2022-07-19 17:24:03,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:03,502 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 223 transitions. [2022-07-19 17:24:03,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 17:24:03,502 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 223 transitions. [2022-07-19 17:24:03,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-19 17:24:03,507 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:03,507 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:03,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 17:24:03,507 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:03,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:03,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1582824919, now seen corresponding path program 1 times [2022-07-19 17:24:03,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:03,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500128514] [2022-07-19 17:24:03,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:03,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:03,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 17:24:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:03,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 17:24:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:03,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:24:03,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:03,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500128514] [2022-07-19 17:24:03,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500128514] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:03,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:03,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:24:03,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562021311] [2022-07-19 17:24:03,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:03,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:24:03,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:03,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:24:03,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:24:03,551 INFO L87 Difference]: Start difference. First operand 180 states and 223 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 17:24:03,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:03,726 INFO L93 Difference]: Finished difference Result 545 states and 699 transitions. [2022-07-19 17:24:03,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 17:24:03,727 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-07-19 17:24:03,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:03,728 INFO L225 Difference]: With dead ends: 545 [2022-07-19 17:24:03,728 INFO L226 Difference]: Without dead ends: 373 [2022-07-19 17:24:03,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:24:03,730 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 213 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:03,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 331 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:24:03,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2022-07-19 17:24:03,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 371. [2022-07-19 17:24:03,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 284 states have (on average 1.2394366197183098) internal successors, (352), 302 states have internal predecessors, (352), 44 states have call successors, (44), 42 states have call predecessors, (44), 42 states have return successors, (64), 43 states have call predecessors, (64), 44 states have call successors, (64) [2022-07-19 17:24:03,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 460 transitions. [2022-07-19 17:24:03,757 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 460 transitions. Word has length 45 [2022-07-19 17:24:03,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:03,757 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 460 transitions. [2022-07-19 17:24:03,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 17:24:03,758 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 460 transitions. [2022-07-19 17:24:03,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-19 17:24:03,761 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:03,761 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:03,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 17:24:03,761 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:03,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:03,762 INFO L85 PathProgramCache]: Analyzing trace with hash 929828559, now seen corresponding path program 1 times [2022-07-19 17:24:03,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:03,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217488138] [2022-07-19 17:24:03,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:03,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:03,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:24:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:03,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:24:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:03,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 17:24:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:03,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:24:03,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:03,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217488138] [2022-07-19 17:24:03,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217488138] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:03,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:03,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:24:03,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983608040] [2022-07-19 17:24:03,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:03,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:24:03,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:03,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:24:03,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:24:03,833 INFO L87 Difference]: Start difference. First operand 371 states and 460 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-19 17:24:04,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:04,055 INFO L93 Difference]: Finished difference Result 690 states and 898 transitions. [2022-07-19 17:24:04,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:24:04,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2022-07-19 17:24:04,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:04,058 INFO L225 Difference]: With dead ends: 690 [2022-07-19 17:24:04,058 INFO L226 Difference]: Without dead ends: 688 [2022-07-19 17:24:04,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:24:04,059 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 294 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:04,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 263 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 17:24:04,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2022-07-19 17:24:04,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 584. [2022-07-19 17:24:04,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 449 states have (on average 1.247216035634744) internal successors, (560), 480 states have internal predecessors, (560), 69 states have call successors, (69), 56 states have call predecessors, (69), 65 states have return successors, (140), 68 states have call predecessors, (140), 69 states have call successors, (140) [2022-07-19 17:24:04,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 769 transitions. [2022-07-19 17:24:04,085 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 769 transitions. Word has length 49 [2022-07-19 17:24:04,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:04,086 INFO L495 AbstractCegarLoop]: Abstraction has 584 states and 769 transitions. [2022-07-19 17:24:04,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-19 17:24:04,086 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 769 transitions. [2022-07-19 17:24:04,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-19 17:24:04,087 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:04,088 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:04,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 17:24:04,088 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:04,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:04,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1198485224, now seen corresponding path program 1 times [2022-07-19 17:24:04,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:04,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144053234] [2022-07-19 17:24:04,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:04,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:04,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:24:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:04,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 17:24:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:04,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 17:24:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:04,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 17:24:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:04,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 17:24:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:04,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-19 17:24:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:04,162 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-07-19 17:24:04,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:04,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144053234] [2022-07-19 17:24:04,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144053234] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:24:04,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565175777] [2022-07-19 17:24:04,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:04,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:24:04,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:24:04,169 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) [2022-07-19 17:24:04,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 17:24:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:04,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 17:24:04,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:24:04,337 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:24:04,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:24:04,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565175777] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:04,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:24:04,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2022-07-19 17:24:04,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201400540] [2022-07-19 17:24:04,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:04,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:24:04,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:04,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:24:04,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:24:04,338 INFO L87 Difference]: Start difference. First operand 584 states and 769 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-19 17:24:04,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:04,392 INFO L93 Difference]: Finished difference Result 993 states and 1335 transitions. [2022-07-19 17:24:04,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:24:04,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 88 [2022-07-19 17:24:04,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:04,397 INFO L225 Difference]: With dead ends: 993 [2022-07-19 17:24:04,397 INFO L226 Difference]: Without dead ends: 501 [2022-07-19 17:24:04,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:24:04,399 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 42 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:04,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 209 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:24:04,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2022-07-19 17:24:04,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 501. [2022-07-19 17:24:04,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 385 states have (on average 1.225974025974026) internal successors, (472), 412 states have internal predecessors, (472), 59 states have call successors, (59), 51 states have call predecessors, (59), 56 states have return successors, (85), 58 states have call predecessors, (85), 59 states have call successors, (85) [2022-07-19 17:24:04,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 616 transitions. [2022-07-19 17:24:04,447 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 616 transitions. Word has length 88 [2022-07-19 17:24:04,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:04,447 INFO L495 AbstractCegarLoop]: Abstraction has 501 states and 616 transitions. [2022-07-19 17:24:04,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-19 17:24:04,447 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 616 transitions. [2022-07-19 17:24:04,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-19 17:24:04,448 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:04,448 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:04,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 17:24:04,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-19 17:24:04,660 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:04,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:04,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1221172747, now seen corresponding path program 1 times [2022-07-19 17:24:04,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:04,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726385612] [2022-07-19 17:24:04,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:04,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:04,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:24:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:04,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 17:24:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:04,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 17:24:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:04,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 17:24:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:04,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 17:24:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:04,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:24:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:04,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-19 17:24:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:04,753 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-19 17:24:04,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:04,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726385612] [2022-07-19 17:24:04,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726385612] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:24:04,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647335447] [2022-07-19 17:24:04,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:04,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:24:04,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:24:04,756 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 17:24:04,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 17:24:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:04,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-19 17:24:04,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:24:04,879 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-07-19 17:24:04,879 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:24:04,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647335447] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:04,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:24:04,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2022-07-19 17:24:04,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750021725] [2022-07-19 17:24:04,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:04,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:24:04,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:04,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:24:04,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:24:04,882 INFO L87 Difference]: Start difference. First operand 501 states and 616 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-19 17:24:04,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:04,921 INFO L93 Difference]: Finished difference Result 944 states and 1188 transitions. [2022-07-19 17:24:04,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:24:04,922 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 91 [2022-07-19 17:24:04,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:04,925 INFO L225 Difference]: With dead ends: 944 [2022-07-19 17:24:04,925 INFO L226 Difference]: Without dead ends: 535 [2022-07-19 17:24:04,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2022-07-19 17:24:04,927 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 33 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:04,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 404 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:24:04,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2022-07-19 17:24:04,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 507. [2022-07-19 17:24:04,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 391 states have (on average 1.2225063938618925) internal successors, (478), 418 states have internal predecessors, (478), 59 states have call successors, (59), 51 states have call predecessors, (59), 56 states have return successors, (85), 58 states have call predecessors, (85), 59 states have call successors, (85) [2022-07-19 17:24:04,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 622 transitions. [2022-07-19 17:24:04,952 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 622 transitions. Word has length 91 [2022-07-19 17:24:04,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:04,952 INFO L495 AbstractCegarLoop]: Abstraction has 507 states and 622 transitions. [2022-07-19 17:24:04,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-19 17:24:04,953 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 622 transitions. [2022-07-19 17:24:04,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-19 17:24:04,956 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:04,956 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:04,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 17:24:05,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-19 17:24:05,171 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:05,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:05,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1355186253, now seen corresponding path program 1 times [2022-07-19 17:24:05,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:05,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247939823] [2022-07-19 17:24:05,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:05,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:05,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:24:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:05,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 17:24:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:05,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 17:24:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:05,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 17:24:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:05,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 17:24:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:05,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:24:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:05,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-19 17:24:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:05,262 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-19 17:24:05,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:05,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247939823] [2022-07-19 17:24:05,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247939823] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:24:05,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447282937] [2022-07-19 17:24:05,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:05,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:24:05,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:24:05,269 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 17:24:05,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-19 17:24:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:05,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-19 17:24:05,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:24:05,440 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:24:05,441 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:24:05,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447282937] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:05,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:24:05,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2022-07-19 17:24:05,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249491915] [2022-07-19 17:24:05,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:05,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:24:05,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:05,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:24:05,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-07-19 17:24:05,443 INFO L87 Difference]: Start difference. First operand 507 states and 622 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-07-19 17:24:05,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:05,512 INFO L93 Difference]: Finished difference Result 823 states and 1018 transitions. [2022-07-19 17:24:05,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 17:24:05,512 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 91 [2022-07-19 17:24:05,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:05,513 INFO L225 Difference]: With dead ends: 823 [2022-07-19 17:24:05,514 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 17:24:05,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-07-19 17:24:05,515 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 150 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:05,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 492 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:24:05,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 17:24:05,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 17:24:05,516 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) [2022-07-19 17:24:05,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 17:24:05,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2022-07-19 17:24:05,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:05,517 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 17:24:05,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-07-19 17:24:05,517 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 17:24:05,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 17:24:05,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 17:24:05,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-19 17:24:05,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:24:05,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 17:24:08,069 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 229 236) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-07-19 17:24:08,069 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 229 236) no Hoare annotation was computed. [2022-07-19 17:24:08,070 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 229 236) no Hoare annotation was computed. [2022-07-19 17:24:08,070 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 162 168) no Hoare annotation was computed. [2022-07-19 17:24:08,070 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 162 168) the Hoare annotation is: true [2022-07-19 17:24:08,070 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 558 569) no Hoare annotation was computed. [2022-07-19 17:24:08,070 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 558 569) the Hoare annotation is: true [2022-07-19 17:24:08,070 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 558 569) no Hoare annotation was computed. [2022-07-19 17:24:08,070 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 570 578) the Hoare annotation is: true [2022-07-19 17:24:08,070 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 570 578) no Hoare annotation was computed. [2022-07-19 17:24:08,070 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 570 578) no Hoare annotation was computed. [2022-07-19 17:24:08,070 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 356 385) no Hoare annotation was computed. [2022-07-19 17:24:08,070 INFO L902 garLoopResultBuilder]: At program point L381(lines 356 385) the Hoare annotation is: true [2022-07-19 17:24:08,070 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 356 385) the Hoare annotation is: true [2022-07-19 17:24:08,071 INFO L899 garLoopResultBuilder]: For program point L377(line 377) no Hoare annotation was computed. [2022-07-19 17:24:08,071 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2022-07-19 17:24:08,071 INFO L902 garLoopResultBuilder]: At program point L370-1(lines 370 374) the Hoare annotation is: true [2022-07-19 17:24:08,071 INFO L899 garLoopResultBuilder]: For program point L367(line 367) no Hoare annotation was computed. [2022-07-19 17:24:08,071 INFO L902 garLoopResultBuilder]: At program point L366-2(lines 366 380) the Hoare annotation is: true [2022-07-19 17:24:08,071 INFO L902 garLoopResultBuilder]: At program point L362(line 362) the Hoare annotation is: true [2022-07-19 17:24:08,071 INFO L899 garLoopResultBuilder]: For program point L362-1(line 362) no Hoare annotation was computed. [2022-07-19 17:24:08,071 INFO L895 garLoopResultBuilder]: At program point L630(lines 625 633) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (not .cse2)) (or .cse3 (= ~methAndRunningLastTime~0 0) .cse4 .cse2 .cse5) (or .cse0 .cse3 .cse1) (or .cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0)) .cse2 .cse5))) [2022-07-19 17:24:08,071 INFO L895 garLoopResultBuilder]: At program point L1006(lines 1001 1008) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not .cse2)) (or .cse0 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-07-19 17:24:08,071 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 138 161) no Hoare annotation was computed. [2022-07-19 17:24:08,071 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 325) no Hoare annotation was computed. [2022-07-19 17:24:08,072 INFO L899 garLoopResultBuilder]: For program point L321-2(lines 321 325) no Hoare annotation was computed. [2022-07-19 17:24:08,072 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2022-07-19 17:24:08,072 INFO L899 garLoopResultBuilder]: For program point L474(lines 474 491) no Hoare annotation was computed. [2022-07-19 17:24:08,072 INFO L895 garLoopResultBuilder]: At program point L474-1(lines 466 494) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse5 (not .cse6))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5) (or .cse0 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse4 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse3) (and .cse1 .cse2 .cse3 .cse5) .cse6) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse1 .cse2 (= |timeShift_isLowWaterLevel_~tmp~4#1| 0) (<= 1 ~waterLevel~0) .cse5) .cse6 (not (<= 2 |old(~waterLevel~0)|)))))) [2022-07-19 17:24:08,072 INFO L895 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not .cse2)) (or .cse0 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-07-19 17:24:08,072 INFO L895 garLoopResultBuilder]: At program point L206(line 206) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (= |timeShift_isLowWaterLevel_~tmp~4#1| 0) (<= 1 ~waterLevel~0)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse2 (not .cse0)) (or .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse2))) [2022-07-19 17:24:08,072 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 485) no Hoare annotation was computed. [2022-07-19 17:24:08,072 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not .cse2)) (or .cse0 (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-07-19 17:24:08,072 INFO L895 garLoopResultBuilder]: At program point L215-1(lines 196 220) the Hoare annotation is: (let ((.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (= 0 ~systemActive~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1 (and .cse2 .cse3) (and (<= 1 ~pumpRunning~0) .cse4 .cse3) .cse5)) (or (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse2 (= |timeShift_isLowWaterLevel_~tmp~4#1| 0) (<= 1 ~waterLevel~0)) (not (<= 1 |old(~pumpRunning~0)|)) .cse6 .cse5) (or .cse0 (not (<= 1 |old(~waterLevel~0)|)) (not .cse6)) (or .cse0 (and .cse2 .cse4 (= ~waterLevel~0 1)) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2022-07-19 17:24:08,073 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 149 155) no Hoare annotation was computed. [2022-07-19 17:24:08,073 INFO L895 garLoopResultBuilder]: At program point L327(lines 312 330) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (not .cse2)) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (= |timeShift_isLowWaterLevel_~tmp~4#1| 0) (<= 1 ~waterLevel~0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse1))) [2022-07-19 17:24:08,073 INFO L895 garLoopResultBuilder]: At program point L253(lines 248 256) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse6 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and .cse5 .cse6 .cse3)) (.cse7 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (and (<= 1 ~pumpRunning~0) .cse2 .cse3) (< |old(~waterLevel~0)| 2) .cse4) (or (and .cse5 .cse2 .cse6 (= ~waterLevel~0 1)) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse4 (not .cse7)) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse5 .cse6 (= |timeShift_isLowWaterLevel_~tmp~4#1| 0) (<= 1 ~waterLevel~0)) .cse7 (not (<= 2 |old(~waterLevel~0)|)))))) [2022-07-19 17:24:08,073 INFO L899 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2022-07-19 17:24:08,073 INFO L895 garLoopResultBuilder]: At program point L538-2(lines 534 545) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse3 .cse4 (not .cse1)) (or .cse5 (= ~methAndRunningLastTime~0 0) .cse0 .cse1 .cse2) (or .cse3 .cse5 .cse4))) [2022-07-19 17:24:08,073 INFO L895 garLoopResultBuilder]: At program point L472(line 472) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and .cse6 .cse4)) (.cse7 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (and (<= 1 ~pumpRunning~0) .cse3 .cse4) .cse5) (or (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse6 (= |timeShift_isLowWaterLevel_~tmp~4#1| 0) (<= 1 ~waterLevel~0)) (not (<= 1 |old(~pumpRunning~0)|)) .cse7 .cse5) (or .cse0 .cse1 .cse3 .cse8) (or .cse0 .cse1 .cse8 (and .cse6 (= ~waterLevel~0 1))) (or .cse0 .cse2 (not (<= 1 |old(~waterLevel~0)|)) (not .cse7))))) [2022-07-19 17:24:08,073 INFO L899 garLoopResultBuilder]: For program point L472-1(line 472) no Hoare annotation was computed. [2022-07-19 17:24:08,073 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 138 161) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (and (= ~pumpRunning~0 0) .cse1)) (.cse8 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2 .cse3) (or .cse4 .cse5 .cse6 (not (= |old(~waterLevel~0)| 1))) (or .cse5 .cse6 .cse0 .cse2 .cse3) (or .cse4 .cse5 .cse7 .cse8) (or .cse4 .cse5 .cse6 (< |old(~waterLevel~0)| 2) .cse2) (or .cse4 .cse7 .cse8 (not .cse2))))) [2022-07-19 17:24:08,073 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 141 160) no Hoare annotation was computed. [2022-07-19 17:24:08,073 INFO L899 garLoopResultBuilder]: For program point L1005(line 1005) no Hoare annotation was computed. [2022-07-19 17:24:08,074 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 212) no Hoare annotation was computed. [2022-07-19 17:24:08,074 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 138 161) no Hoare annotation was computed. [2022-07-19 17:24:08,074 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2022-07-19 17:24:08,074 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 217) no Hoare annotation was computed. [2022-07-19 17:24:08,074 INFO L895 garLoopResultBuilder]: At program point L337(line 337) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:24:08,074 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 17:24:08,074 INFO L895 garLoopResultBuilder]: At program point L511(lines 507 513) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:24:08,074 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 17:24:08,074 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 17:24:08,075 INFO L902 garLoopResultBuilder]: At program point L119(lines 56 123) the Hoare annotation is: true [2022-07-19 17:24:08,075 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 92) no Hoare annotation was computed. [2022-07-19 17:24:08,075 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 86 92) no Hoare annotation was computed. [2022-07-19 17:24:08,075 INFO L895 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= |ULTIMATE.start_main_~tmp~5#1| 1))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2))) [2022-07-19 17:24:08,075 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 17:24:08,075 INFO L895 garLoopResultBuilder]: At program point L351(lines 346 353) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= |ULTIMATE.start_main_~tmp~5#1| 1)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2022-07-19 17:24:08,075 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 449) no Hoare annotation was computed. [2022-07-19 17:24:08,076 INFO L899 garLoopResultBuilder]: For program point L442-2(lines 442 449) no Hoare annotation was computed. [2022-07-19 17:24:08,076 INFO L895 garLoopResultBuilder]: At program point L343(lines 331 345) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_main_~tmp~5#1| 1) (= 0 ~systemActive~0)) [2022-07-19 17:24:08,076 INFO L895 garLoopResultBuilder]: At program point L116(lines 65 117) the Hoare annotation is: false [2022-07-19 17:24:08,076 INFO L895 garLoopResultBuilder]: At program point L463(lines 458 465) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~5#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:24:08,076 INFO L899 garLoopResultBuilder]: For program point L335(lines 335 341) no Hoare annotation was computed. [2022-07-19 17:24:08,076 INFO L899 garLoopResultBuilder]: For program point L335-1(lines 335 341) no Hoare annotation was computed. [2022-07-19 17:24:08,076 INFO L902 garLoopResultBuilder]: At program point L426(lines 418 428) the Hoare annotation is: true [2022-07-19 17:24:08,076 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 110) no Hoare annotation was computed. [2022-07-19 17:24:08,076 INFO L895 garLoopResultBuilder]: At program point L104-2(lines 96 111) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~5#1| 1)) (.cse3 (= 0 ~systemActive~0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (not .cse3)) (and .cse4 (= ~methAndRunningLastTime~0 0) .cse0 .cse1 .cse5 .cse2) (and .cse4 .cse0 .cse1 .cse5 .cse2 .cse3))) [2022-07-19 17:24:08,076 INFO L899 garLoopResultBuilder]: For program point L67(lines 66 115) no Hoare annotation was computed. [2022-07-19 17:24:08,077 INFO L902 garLoopResultBuilder]: At program point L451(lines 432 454) the Hoare annotation is: true [2022-07-19 17:24:08,077 INFO L899 garLoopResultBuilder]: For program point L96(lines 96 111) no Hoare annotation was computed. [2022-07-19 17:24:08,077 INFO L895 garLoopResultBuilder]: At program point L414(lines 410 416) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~5#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:24:08,078 INFO L895 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= |ULTIMATE.start_main_~tmp~5#1| 1))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2))) [2022-07-19 17:24:08,078 INFO L895 garLoopResultBuilder]: At program point L113(lines 66 115) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= |ULTIMATE.start_main_~tmp~5#1| 1))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2))) [2022-07-19 17:24:08,078 INFO L895 garLoopResultBuilder]: At program point L526(lines 521 529) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:24:08,079 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 82) no Hoare annotation was computed. [2022-07-19 17:24:08,079 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2022-07-19 17:24:08,079 INFO L895 garLoopResultBuilder]: At program point L518(lines 514 520) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:24:08,079 INFO L899 garLoopResultBuilder]: For program point L68(lines 68 72) no Hoare annotation was computed. [2022-07-19 17:24:08,080 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 170 194) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2 .cse3))) [2022-07-19 17:24:08,080 INFO L895 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)) (= 0 ~systemActive~0) (not (= ~methAndRunningLastTime~0 0))) [2022-07-19 17:24:08,080 INFO L895 garLoopResultBuilder]: At program point L308(lines 293 311) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (and .cse0 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) (and .cse0 (<= 2 ~waterLevel~0)) (= 0 ~systemActive~0) (not (= ~methAndRunningLastTime~0 0)))) [2022-07-19 17:24:08,080 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 186) no Hoare annotation was computed. [2022-07-19 17:24:08,081 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 191) no Hoare annotation was computed. [2022-07-19 17:24:08,081 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2022-07-19 17:24:08,081 INFO L895 garLoopResultBuilder]: At program point L620(lines 611 624) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0)) (= 0 ~systemActive~0) (not (= ~methAndRunningLastTime~0 0)) (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse0))) [2022-07-19 17:24:08,081 INFO L899 garLoopResultBuilder]: For program point L302-2(lines 302 306) no Hoare annotation was computed. [2022-07-19 17:24:08,081 INFO L895 garLoopResultBuilder]: At program point L226(lines 221 228) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (= ~methAndRunningLastTime~0 0))) [2022-07-19 17:24:08,081 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (= ~methAndRunningLastTime~0 0))) [2022-07-19 17:24:08,081 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 170 194) no Hoare annotation was computed. [2022-07-19 17:24:08,081 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 170 194) no Hoare annotation was computed. [2022-07-19 17:24:08,081 INFO L899 garLoopResultBuilder]: For program point L615(lines 615 621) no Hoare annotation was computed. [2022-07-19 17:24:08,081 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 546 557) no Hoare annotation was computed. [2022-07-19 17:24:08,082 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 546 557) no Hoare annotation was computed. [2022-07-19 17:24:08,082 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 546 557) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1 .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1) .cse2) (or (not (<= 1 ~pumpRunning~0)) .cse1 (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|))))) [2022-07-19 17:24:08,084 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:08,086 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 17:24:08,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 05:24:08 BoogieIcfgContainer [2022-07-19 17:24:08,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 17:24:08,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 17:24:08,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 17:24:08,117 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 17:24:08,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:24:02" (3/4) ... [2022-07-19 17:24:08,120 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 17:24:08,124 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-19 17:24:08,124 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-19 17:24:08,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-19 17:24:08,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-19 17:24:08,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-19 17:24:08,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-19 17:24:08,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-19 17:24:08,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-19 17:24:08,129 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-07-19 17:24:08,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-19 17:24:08,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-19 17:24:08,131 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 17:24:08,131 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 17:24:08,131 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:24:08,132 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:24:08,146 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-19 17:24:08,147 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-19 17:24:08,147 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-19 17:24:08,147 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) [2022-07-19 17:24:08,148 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(0 == systemActive))) && ((((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel))) [2022-07-19 17:24:08,148 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) && ((((((\result == 0 && pumpRunning == 0) && tmp == 0) && 1 <= waterLevel) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) [2022-07-19 17:24:08,148 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && !(0 == systemActive)) [2022-07-19 17:24:08,149 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || !(0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel))) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || 0 == systemActive)) && (((!(1 <= \old(pumpRunning)) || (((((\result == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 0) && 1 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-07-19 17:24:08,149 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && 0 == systemActive [2022-07-19 17:24:08,149 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || ((1 <= pumpRunning && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || \old(waterLevel) < 2) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 0) && waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1))) && (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && (((!(1 <= \old(pumpRunning)) || ((((\result == 0 && pumpRunning == 0) && \result == 0) && tmp == 0) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-07-19 17:24:08,149 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel)))) && (((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-07-19 17:24:08,149 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) || (1 <= \result && pumpRunning == 0) [2022-07-19 17:24:08,150 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(0 == systemActive)) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || (((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && tmp == 0) && 1 <= waterLevel) && 1 <= tmp___0)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel))) [2022-07-19 17:24:08,150 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel)))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-07-19 17:24:08,150 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || !(methAndRunningLastTime == 0) [2022-07-19 17:24:08,150 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 <= waterLevel)) || 0 == systemActive) || !(methAndRunningLastTime == 0) [2022-07-19 17:24:08,163 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 17:24:08,163 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 17:24:08,164 INFO L158 Benchmark]: Toolchain (without parser) took 6985.11ms. Allocated memory was 96.5MB in the beginning and 172.0MB in the end (delta: 75.5MB). Free memory was 64.0MB in the beginning and 125.6MB in the end (delta: -61.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-19 17:24:08,164 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 96.5MB. Free memory was 50.9MB in the beginning and 50.8MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 17:24:08,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.70ms. Allocated memory is still 96.5MB. Free memory was 63.8MB in the beginning and 61.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 17:24:08,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.32ms. Allocated memory is still 96.5MB. Free memory was 61.8MB in the beginning and 59.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:24:08,165 INFO L158 Benchmark]: Boogie Preprocessor took 29.86ms. Allocated memory is still 96.5MB. Free memory was 59.4MB in the beginning and 57.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:24:08,165 INFO L158 Benchmark]: RCFGBuilder took 462.77ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 57.6MB in the beginning and 88.2MB in the end (delta: -30.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-07-19 17:24:08,165 INFO L158 Benchmark]: TraceAbstraction took 6006.52ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 87.7MB in the beginning and 131.9MB in the end (delta: -44.2MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2022-07-19 17:24:08,166 INFO L158 Benchmark]: Witness Printer took 46.61ms. Allocated memory is still 172.0MB. Free memory was 131.9MB in the beginning and 125.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-19 17:24:08,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 96.5MB. Free memory was 50.9MB in the beginning and 50.8MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.70ms. Allocated memory is still 96.5MB. Free memory was 63.8MB in the beginning and 61.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.32ms. Allocated memory is still 96.5MB. Free memory was 61.8MB in the beginning and 59.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.86ms. Allocated memory is still 96.5MB. Free memory was 59.4MB in the beginning and 57.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 462.77ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 57.6MB in the beginning and 88.2MB in the end (delta: -30.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6006.52ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 87.7MB in the beginning and 131.9MB in the end (delta: -44.2MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. * Witness Printer took 46.61ms. Allocated memory is still 172.0MB. Free memory was 131.9MB in the beginning and 125.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1005]: 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 9 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 12, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1239 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1214 mSDsluCounter, 3660 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2256 mSDsCounter, 289 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 669 IncrementalHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 289 mSolverCounterUnsat, 1404 mSDtfsCounter, 669 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 429 GetRequests, 353 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=584occurred in iteration=9, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 164 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 1157 PreInvPairs, 1297 NumberOfFragments, 1477 HoareAnnotationTreeSize, 1157 FomulaSimplifications, 474 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 44 FomulaSimplificationsInter, 8056 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 888 NumberOfCodeBlocks, 888 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 873 ConstructedInterpolants, 0 QuantifiedInterpolants, 1402 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1391 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 177/184 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 1 specifications checked. All of them hold - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(0 == systemActive)) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || (((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && tmp == 0) && 1 <= waterLevel) && 1 <= tmp___0)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel))) - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) || (1 <= \result && pumpRunning == 0) - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || !(0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel))) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || 0 == systemActive)) && (((!(1 <= \old(pumpRunning)) || (((((\result == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 0) && 1 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 <= waterLevel)) || 0 == systemActive) || !(methAndRunningLastTime == 0) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || ((1 <= pumpRunning && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || \old(waterLevel) < 2) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 0) && waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1))) && (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && (((!(1 <= \old(pumpRunning)) || ((((\result == 0 && pumpRunning == 0) && \result == 0) && tmp == 0) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || !(methAndRunningLastTime == 0) - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) && ((((((\result == 0 && pumpRunning == 0) && tmp == 0) && 1 <= waterLevel) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && 0 == systemActive - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel)))) && (((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(0 == systemActive))) && ((((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel))) - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel)))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-19 17:24:08,200 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE