./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/bin/uautomizer-DrprNOufMa --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 3364c65adf57fef4e6e40e7680894e092c8fbf29e459121c70f90a68103ac5cb --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:57:34,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:57:34,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:57:34,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:57:34,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:57:34,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:57:34,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:57:34,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:57:34,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:57:34,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:57:34,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:57:34,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:57:34,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:57:34,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:57:34,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:57:34,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:57:34,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:57:34,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:57:34,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:57:34,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:57:34,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:57:34,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:57:34,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:57:34,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:57:34,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:57:34,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:57:34,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:57:34,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:57:34,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:57:34,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:57:34,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:57:34,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:57:34,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:57:34,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:57:34,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:57:34,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:57:34,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:57:34,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:57:34,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:57:34,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:57:34,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:57:34,689 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 22:57:34,706 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:57:34,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:57:34,707 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:57:34,707 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:57:34,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:57:34,707 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:57:34,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:57:34,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:57:34,708 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:57:34,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:57:34,708 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:57:34,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:57:34,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:57:34,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:57:34,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:57:34,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:57:34,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:57:34,709 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:57:34,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:57:34,710 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:57:34,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:57:34,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:57:34,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:57:34,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:57:34,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:57:34,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:57:34,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:57:34,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:57:34,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:57:34,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:57:34,717 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:57:34,717 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:57:34,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:57:34,718 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:57:34,718 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3364c65adf57fef4e6e40e7680894e092c8fbf29e459121c70f90a68103ac5cb [2021-12-06 22:57:34,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:57:34,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:57:34,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:57:34,931 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:57:34,931 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:57:34,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2021-12-06 22:57:34,979 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/bin/uautomizer-DrprNOufMa/data/9a8bc02ce/3c7c4035c31444679b2cfe38583bdb19/FLAGbd7831549 [2021-12-06 22:57:35,398 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:57:35,399 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2021-12-06 22:57:35,411 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/bin/uautomizer-DrprNOufMa/data/9a8bc02ce/3c7c4035c31444679b2cfe38583bdb19/FLAGbd7831549 [2021-12-06 22:57:35,420 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/bin/uautomizer-DrprNOufMa/data/9a8bc02ce/3c7c4035c31444679b2cfe38583bdb19 [2021-12-06 22:57:35,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:57:35,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:57:35,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:57:35,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:57:35,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:57:35,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:57:35" (1/1) ... [2021-12-06 22:57:35,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b648bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:57:35, skipping insertion in model container [2021-12-06 22:57:35,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:57:35" (1/1) ... [2021-12-06 22:57:35,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:57:35,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:57:35,598 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11828,11841] [2021-12-06 22:57:35,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:57:35,633 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:57:35,666 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11828,11841] [2021-12-06 22:57:35,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:57:35,694 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:57:35,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:57:35 WrapperNode [2021-12-06 22:57:35,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:57:35,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:57:35,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:57:35,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:57:35,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:57:35" (1/1) ... [2021-12-06 22:57:35,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:57:35" (1/1) ... [2021-12-06 22:57:35,739 INFO L137 Inliner]: procedures = 54, calls = 154, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 206 [2021-12-06 22:57:35,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:57:35,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:57:35,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:57:35,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:57:35,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:57:35" (1/1) ... [2021-12-06 22:57:35,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:57:35" (1/1) ... [2021-12-06 22:57:35,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:57:35" (1/1) ... [2021-12-06 22:57:35,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:57:35" (1/1) ... [2021-12-06 22:57:35,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:57:35" (1/1) ... [2021-12-06 22:57:35,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:57:35" (1/1) ... [2021-12-06 22:57:35,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:57:35" (1/1) ... [2021-12-06 22:57:35,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:57:35,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:57:35,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:57:35,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:57:35,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:57:35" (1/1) ... [2021-12-06 22:57:35,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:57:35,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:57:35,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:57:35,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:57:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:57:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 22:57:35,845 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 22:57:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 22:57:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 22:57:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-06 22:57:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-06 22:57:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 22:57:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 22:57:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-06 22:57:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-06 22:57:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-06 22:57:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-06 22:57:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-06 22:57:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-06 22:57:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:57:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 22:57:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 22:57:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:57:35,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:57:35,900 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:57:35,901 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:57:36,099 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:57:36,105 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:57:36,105 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 22:57:36,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:57:36 BoogieIcfgContainer [2021-12-06 22:57:36,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:57:36,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:57:36,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:57:36,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:57:36,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:57:35" (1/3) ... [2021-12-06 22:57:36,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf70b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:57:36, skipping insertion in model container [2021-12-06 22:57:36,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:57:35" (2/3) ... [2021-12-06 22:57:36,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf70b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:57:36, skipping insertion in model container [2021-12-06 22:57:36,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:57:36" (3/3) ... [2021-12-06 22:57:36,113 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2021-12-06 22:57:36,117 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:57:36,117 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:57:36,152 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:57:36,157 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 22:57:36,157 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:57:36,170 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 70 states have internal predecessors, (86), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-06 22:57:36,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-06 22:57:36,175 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:57:36,176 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:57:36,176 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:57:36,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:57:36,180 INFO L85 PathProgramCache]: Analyzing trace with hash 265998247, now seen corresponding path program 1 times [2021-12-06 22:57:36,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:57:36,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379888159] [2021-12-06 22:57:36,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:57:36,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:57:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:36,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 22:57:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:36,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:57:36,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:57:36,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379888159] [2021-12-06 22:57:36,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379888159] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:57:36,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:57:36,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:57:36,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396493691] [2021-12-06 22:57:36,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:57:36,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 22:57:36,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:57:36,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 22:57:36,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 22:57:36,366 INFO L87 Difference]: Start difference. First operand has 86 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 70 states have internal predecessors, (86), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 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) [2021-12-06 22:57:36,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:57:36,398 INFO L93 Difference]: Finished difference Result 163 states and 218 transitions. [2021-12-06 22:57:36,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 22:57:36,401 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 [2021-12-06 22:57:36,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:57:36,409 INFO L225 Difference]: With dead ends: 163 [2021-12-06 22:57:36,410 INFO L226 Difference]: Without dead ends: 77 [2021-12-06 22:57:36,412 INFO L932 BasicCegarLoop]: 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 [2021-12-06 22:57:36,415 INFO L933 BasicCegarLoop]: 106 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, 106 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 [2021-12-06 22:57:36,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:57:36,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-12-06 22:57:36,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-12-06 22:57:36,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 56 states have (on average 1.2857142857142858) internal successors, (72), 62 states have internal predecessors, (72), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-06 22:57:36,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 97 transitions. [2021-12-06 22:57:36,450 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 97 transitions. Word has length 25 [2021-12-06 22:57:36,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:57:36,451 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 97 transitions. [2021-12-06 22:57:36,451 INFO L471 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) [2021-12-06 22:57:36,451 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 97 transitions. [2021-12-06 22:57:36,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-06 22:57:36,453 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:57:36,453 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:57:36,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:57:36,454 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:57:36,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:57:36,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1379017056, now seen corresponding path program 1 times [2021-12-06 22:57:36,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:57:36,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326629513] [2021-12-06 22:57:36,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:57:36,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:57:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:36,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 22:57:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:36,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:57:36,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:57:36,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326629513] [2021-12-06 22:57:36,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326629513] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:57:36,519 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:57:36,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:57:36,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284569942] [2021-12-06 22:57:36,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:57:36,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:57:36,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:57:36,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:57:36,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:57:36,522 INFO L87 Difference]: Start difference. First operand 77 states and 97 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) [2021-12-06 22:57:36,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:57:36,536 INFO L93 Difference]: Finished difference Result 114 states and 142 transitions. [2021-12-06 22:57:36,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:57:36,537 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 [2021-12-06 22:57:36,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:57:36,538 INFO L225 Difference]: With dead ends: 114 [2021-12-06 22:57:36,538 INFO L226 Difference]: Without dead ends: 68 [2021-12-06 22:57:36,539 INFO L932 BasicCegarLoop]: 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 [2021-12-06 22:57:36,540 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 17 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 146 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 [2021-12-06 22:57:36,541 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 146 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:57:36,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-12-06 22:57:36,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-12-06 22:57:36,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 50 states have (on average 1.3) internal successors, (65), 56 states have internal predecessors, (65), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-06 22:57:36,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 85 transitions. [2021-12-06 22:57:36,549 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 85 transitions. Word has length 26 [2021-12-06 22:57:36,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:57:36,550 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 85 transitions. [2021-12-06 22:57:36,550 INFO L471 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) [2021-12-06 22:57:36,550 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2021-12-06 22:57:36,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-06 22:57:36,551 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:57:36,551 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:57:36,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:57:36,552 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:57:36,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:57:36,552 INFO L85 PathProgramCache]: Analyzing trace with hash -969984948, now seen corresponding path program 1 times [2021-12-06 22:57:36,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:57:36,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170246777] [2021-12-06 22:57:36,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:57:36,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:57:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:36,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-06 22:57:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:36,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:57:36,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:57:36,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170246777] [2021-12-06 22:57:36,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170246777] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:57:36,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:57:36,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:57:36,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721517131] [2021-12-06 22:57:36,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:57:36,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:57:36,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:57:36,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:57:36,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:57:36,610 INFO L87 Difference]: Start difference. First operand 68 states and 85 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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) [2021-12-06 22:57:36,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:57:36,632 INFO L93 Difference]: Finished difference Result 186 states and 238 transitions. [2021-12-06 22:57:36,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:57:36,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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 [2021-12-06 22:57:36,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:57:36,635 INFO L225 Difference]: With dead ends: 186 [2021-12-06 22:57:36,635 INFO L226 Difference]: Without dead ends: 126 [2021-12-06 22:57:36,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:57:36,637 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 62 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:57:36,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 179 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:57:36,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-12-06 22:57:36,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123. [2021-12-06 22:57:36,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 88 states have (on average 1.3295454545454546) internal successors, (117), 99 states have internal predecessors, (117), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2021-12-06 22:57:36,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 157 transitions. [2021-12-06 22:57:36,654 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 157 transitions. Word has length 31 [2021-12-06 22:57:36,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:57:36,654 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 157 transitions. [2021-12-06 22:57:36,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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) [2021-12-06 22:57:36,655 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 157 transitions. [2021-12-06 22:57:36,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-06 22:57:36,656 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:57:36,656 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:57:36,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 22:57:36,656 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:57:36,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:57:36,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1792730875, now seen corresponding path program 1 times [2021-12-06 22:57:36,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:57:36,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885659676] [2021-12-06 22:57:36,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:57:36,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:57:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:36,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 22:57:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:36,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:57:36,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:57:36,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885659676] [2021-12-06 22:57:36,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885659676] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:57:36,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:57:36,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:57:36,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698307325] [2021-12-06 22:57:36,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:57:36,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:57:36,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:57:36,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:57:36,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:57:36,723 INFO L87 Difference]: Start difference. First operand 123 states and 157 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 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) [2021-12-06 22:57:36,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:57:36,807 INFO L93 Difference]: Finished difference Result 351 states and 456 transitions. [2021-12-06 22:57:36,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 22:57:36,807 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 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 34 [2021-12-06 22:57:36,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:57:36,811 INFO L225 Difference]: With dead ends: 351 [2021-12-06 22:57:36,811 INFO L226 Difference]: Without dead ends: 236 [2021-12-06 22:57:36,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:57:36,814 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 53 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:57:36,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 411 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:57:36,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-12-06 22:57:36,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 230. [2021-12-06 22:57:36,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 161 states have (on average 1.31055900621118) internal successors, (211), 182 states have internal predecessors, (211), 40 states have call successors, (40), 28 states have call predecessors, (40), 28 states have return successors, (42), 30 states have call predecessors, (42), 40 states have call successors, (42) [2021-12-06 22:57:36,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 293 transitions. [2021-12-06 22:57:36,842 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 293 transitions. Word has length 34 [2021-12-06 22:57:36,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:57:36,843 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 293 transitions. [2021-12-06 22:57:36,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 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) [2021-12-06 22:57:36,843 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 293 transitions. [2021-12-06 22:57:36,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-06 22:57:36,845 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:57:36,845 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:57:36,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 22:57:36,845 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:57:36,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:57:36,846 INFO L85 PathProgramCache]: Analyzing trace with hash 847775393, now seen corresponding path program 1 times [2021-12-06 22:57:36,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:57:36,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733713821] [2021-12-06 22:57:36,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:57:36,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:57:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:36,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:57:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:36,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 22:57:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:36,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:57:36,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:57:36,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733713821] [2021-12-06 22:57:36,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733713821] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:57:36,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:57:36,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:57:36,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955168341] [2021-12-06 22:57:36,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:57:36,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:57:36,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:57:36,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:57:36,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:57:36,905 INFO L87 Difference]: Start difference. First operand 230 states and 293 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 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) [2021-12-06 22:57:36,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:57:36,987 INFO L93 Difference]: Finished difference Result 390 states and 499 transitions. [2021-12-06 22:57:36,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:57:36,987 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 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 38 [2021-12-06 22:57:36,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:57:36,988 INFO L225 Difference]: With dead ends: 390 [2021-12-06 22:57:36,988 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 22:57:36,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:57:36,992 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 49 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:57:36,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 142 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:57:36,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 22:57:36,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 22:57:36,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:57:36,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 22:57:36,994 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2021-12-06 22:57:36,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:57:36,994 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 22:57:36,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 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) [2021-12-06 22:57:36,994 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 22:57:36,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 22:57:36,997 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 22:57:36,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 22:57:36,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 22:57:37,267 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 741 748) the Hoare annotation is: true [2021-12-06 22:57:37,268 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 741 748) no Hoare annotation was computed. [2021-12-06 22:57:37,268 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 741 748) no Hoare annotation was computed. [2021-12-06 22:57:37,268 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 495 506) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-12-06 22:57:37,268 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 495 506) no Hoare annotation was computed. [2021-12-06 22:57:37,268 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 495 506) no Hoare annotation was computed. [2021-12-06 22:57:37,268 INFO L858 garLoopResultBuilder]: For program point L919(lines 919 929) no Hoare annotation was computed. [2021-12-06 22:57:37,268 INFO L858 garLoopResultBuilder]: For program point L663-1(lines 662 681) no Hoare annotation was computed. [2021-12-06 22:57:37,269 INFO L858 garLoopResultBuilder]: For program point L915(lines 915 932) no Hoare annotation was computed. [2021-12-06 22:57:37,269 INFO L854 garLoopResultBuilder]: At program point L915-1(lines 907 935) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~7#1| 0)))) [2021-12-06 22:57:37,269 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 659 682) no Hoare annotation was computed. [2021-12-06 22:57:37,269 INFO L854 garLoopResultBuilder]: At program point L705(line 705) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-06 22:57:37,269 INFO L854 garLoopResultBuilder]: At program point L701(line 701) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-06 22:57:37,269 INFO L854 garLoopResultBuilder]: At program point L697(line 697) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-06 22:57:37,269 INFO L858 garLoopResultBuilder]: For program point L697-1(line 697) no Hoare annotation was computed. [2021-12-06 22:57:37,270 INFO L858 garLoopResultBuilder]: For program point L920(lines 920 926) no Hoare annotation was computed. [2021-12-06 22:57:37,270 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-12-06 22:57:37,270 INFO L854 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-06 22:57:37,270 INFO L854 garLoopResultBuilder]: At program point L710-1(lines 691 715) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-06 22:57:37,270 INFO L858 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2021-12-06 22:57:37,270 INFO L854 garLoopResultBuilder]: At program point L475-2(lines 471 482) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-06 22:57:37,270 INFO L854 garLoopResultBuilder]: At program point L913(line 913) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-06 22:57:37,270 INFO L858 garLoopResultBuilder]: For program point L913-1(line 913) no Hoare annotation was computed. [2021-12-06 22:57:37,271 INFO L854 garLoopResultBuilder]: At program point L459(lines 454 461) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-06 22:57:37,271 INFO L858 garLoopResultBuilder]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2021-12-06 22:57:37,271 INFO L854 garLoopResultBuilder]: At program point L765(lines 760 768) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))))) [2021-12-06 22:57:37,271 INFO L858 garLoopResultBuilder]: For program point L699(lines 699 707) no Hoare annotation was computed. [2021-12-06 22:57:37,271 INFO L858 garLoopResultBuilder]: For program point L695(lines 695 712) no Hoare annotation was computed. [2021-12-06 22:57:37,271 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 659 682) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-06 22:57:37,271 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 659 682) no Hoare annotation was computed. [2021-12-06 22:57:37,272 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2021-12-06 22:57:37,272 INFO L861 garLoopResultBuilder]: At program point L576(lines 551 580) the Hoare annotation is: true [2021-12-06 22:57:37,272 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 551 580) no Hoare annotation was computed. [2021-12-06 22:57:37,272 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 551 580) the Hoare annotation is: true [2021-12-06 22:57:37,272 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-12-06 22:57:37,272 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2021-12-06 22:57:37,272 INFO L861 garLoopResultBuilder]: At program point L565-1(lines 565 569) the Hoare annotation is: true [2021-12-06 22:57:37,273 INFO L858 garLoopResultBuilder]: For program point L562(line 562) no Hoare annotation was computed. [2021-12-06 22:57:37,273 INFO L861 garLoopResultBuilder]: At program point L561-2(lines 561 575) the Hoare annotation is: true [2021-12-06 22:57:37,273 INFO L861 garLoopResultBuilder]: At program point L557(line 557) the Hoare annotation is: true [2021-12-06 22:57:37,273 INFO L858 garLoopResultBuilder]: For program point L557-1(line 557) no Hoare annotation was computed. [2021-12-06 22:57:37,273 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 507 515) the Hoare annotation is: true [2021-12-06 22:57:37,273 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 507 515) no Hoare annotation was computed. [2021-12-06 22:57:37,273 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 507 515) no Hoare annotation was computed. [2021-12-06 22:57:37,273 INFO L854 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 22:57:37,274 INFO L854 garLoopResultBuilder]: At program point L886(lines 839 888) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 22:57:37,274 INFO L858 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2021-12-06 22:57:37,274 INFO L858 garLoopResultBuilder]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2021-12-06 22:57:37,274 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2021-12-06 22:57:37,274 INFO L854 garLoopResultBuilder]: At program point L610(lines 606 612) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-06 22:57:37,274 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 22:57:37,274 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 22:57:37,274 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 22:57:37,275 INFO L854 garLoopResultBuilder]: At program point L825(lines 820 827) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 22:57:37,275 INFO L854 garLoopResultBuilder]: At program point L817(lines 805 819) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 22:57:37,275 INFO L861 garLoopResultBuilder]: At program point L623(lines 615 625) the Hoare annotation is: true [2021-12-06 22:57:37,275 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 815) no Hoare annotation was computed. [2021-12-06 22:57:37,275 INFO L854 garLoopResultBuilder]: At program point L904(lines 899 906) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-06 22:57:37,275 INFO L858 garLoopResultBuilder]: For program point L809-1(lines 809 815) no Hoare annotation was computed. [2021-12-06 22:57:37,275 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 22:57:37,276 INFO L858 garLoopResultBuilder]: For program point L636(lines 636 643) no Hoare annotation was computed. [2021-12-06 22:57:37,276 INFO L861 garLoopResultBuilder]: At program point L892(lines 829 896) the Hoare annotation is: true [2021-12-06 22:57:37,276 INFO L858 garLoopResultBuilder]: For program point L859(lines 859 865) no Hoare annotation was computed. [2021-12-06 22:57:37,276 INFO L858 garLoopResultBuilder]: For program point L859-1(lines 859 865) no Hoare annotation was computed. [2021-12-06 22:57:37,276 INFO L858 garLoopResultBuilder]: For program point L636-2(lines 636 643) no Hoare annotation was computed. [2021-12-06 22:57:37,276 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-06 22:57:37,276 INFO L854 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 22:57:37,277 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-06 22:57:37,277 INFO L861 garLoopResultBuilder]: At program point L645(lines 626 648) the Hoare annotation is: true [2021-12-06 22:57:37,277 INFO L854 garLoopResultBuilder]: At program point L889(lines 838 890) the Hoare annotation is: false [2021-12-06 22:57:37,277 INFO L858 garLoopResultBuilder]: For program point L877(lines 877 883) no Hoare annotation was computed. [2021-12-06 22:57:37,277 INFO L854 garLoopResultBuilder]: At program point L811(line 811) the Hoare annotation is: false [2021-12-06 22:57:37,277 INFO L854 garLoopResultBuilder]: At program point L877-2(lines 869 884) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 22:57:37,277 INFO L858 garLoopResultBuilder]: For program point L840(lines 839 888) no Hoare annotation was computed. [2021-12-06 22:57:37,277 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 884) no Hoare annotation was computed. [2021-12-06 22:57:37,278 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-06 22:57:37,278 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 483 494) no Hoare annotation was computed. [2021-12-06 22:57:37,278 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 483 494) no Hoare annotation was computed. [2021-12-06 22:57:37,278 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 483 494) the Hoare annotation is: true [2021-12-06 22:57:37,278 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 683 689) no Hoare annotation was computed. [2021-12-06 22:57:37,278 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 683 689) the Hoare annotation is: true [2021-12-06 22:57:37,278 INFO L858 garLoopResultBuilder]: For program point L754-1(line 754) no Hoare annotation was computed. [2021-12-06 22:57:37,278 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 749 759) the Hoare annotation is: true [2021-12-06 22:57:37,279 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 749 759) no Hoare annotation was computed. [2021-12-06 22:57:37,279 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 749 759) no Hoare annotation was computed. [2021-12-06 22:57:37,279 INFO L861 garLoopResultBuilder]: At program point L754(line 754) the Hoare annotation is: true [2021-12-06 22:57:37,281 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-06 22:57:37,282 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 22:57:37,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 10:57:37 BoogieIcfgContainer [2021-12-06 22:57:37,299 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 22:57:37,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:57:37,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:57:37,299 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:57:37,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:57:36" (3/4) ... [2021-12-06 22:57:37,303 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 22:57:37,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-06 22:57:37,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 22:57:37,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 22:57:37,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 22:57:37,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-06 22:57:37,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 22:57:37,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-06 22:57:37,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-06 22:57:37,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2021-12-06 22:57:37,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 22:57:37,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 22:57:37,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 22:57:37,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 22:57:37,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 22:57:37,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 22:57:37,334 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-06 22:57:37,334 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-12-06 22:57:37,335 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) [2021-12-06 22:57:37,335 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2021-12-06 22:57:37,336 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-06 22:57:37,357 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 22:57:37,358 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:57:37,358 INFO L158 Benchmark]: Toolchain (without parser) took 1934.96ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 56.8MB in the beginning and 72.3MB in the end (delta: -15.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-06 22:57:37,359 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:57:37,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.32ms. Allocated memory is still 98.6MB. Free memory was 56.6MB in the beginning and 38.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-06 22:57:37,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.61ms. Allocated memory is still 98.6MB. Free memory was 38.3MB in the beginning and 76.4MB in the end (delta: -38.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-12-06 22:57:37,360 INFO L158 Benchmark]: Boogie Preprocessor took 19.83ms. Allocated memory is still 98.6MB. Free memory was 76.4MB in the beginning and 74.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:57:37,360 INFO L158 Benchmark]: RCFGBuilder took 346.61ms. Allocated memory is still 98.6MB. Free memory was 74.9MB in the beginning and 62.6MB in the end (delta: 12.3MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2021-12-06 22:57:37,360 INFO L158 Benchmark]: TraceAbstraction took 1190.31ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 62.1MB in the beginning and 77.7MB in the end (delta: -15.6MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2021-12-06 22:57:37,361 INFO L158 Benchmark]: Witness Printer took 58.51ms. Allocated memory is still 136.3MB. Free memory was 77.7MB in the beginning and 72.3MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 22:57:37,362 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.32ms. Allocated memory is still 98.6MB. Free memory was 56.6MB in the beginning and 38.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.61ms. Allocated memory is still 98.6MB. Free memory was 38.3MB in the beginning and 76.4MB in the end (delta: -38.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.83ms. Allocated memory is still 98.6MB. Free memory was 76.4MB in the beginning and 74.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 346.61ms. Allocated memory is still 98.6MB. Free memory was 74.9MB in the beginning and 62.6MB in the end (delta: 12.3MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1190.31ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 62.1MB in the beginning and 77.7MB in the end (delta: -15.6MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * Witness Printer took 58.51ms. Allocated memory is still 136.3MB. Free memory was 77.7MB in the beginning and 72.3MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. 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: 458]: 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, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 189 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 984 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 546 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 438 mSDtfsCounter, 112 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=230occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 305 PreInvPairs, 349 NumberOfFragments, 214 HoareAnnotationTreeSize, 305 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 39 FomulaSimplificationsInter, 1023 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 307 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-06 22:57:37,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586823d8-5a38-433b-a8ab-d909fb453dd5/bin/uautomizer-DrprNOufMa/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