./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e18d278-7c40-45d7-8a2a-805be37e7dde/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e18d278-7c40-45d7-8a2a-805be37e7dde/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e18d278-7c40-45d7-8a2a-805be37e7dde/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e18d278-7c40-45d7-8a2a-805be37e7dde/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e18d278-7c40-45d7-8a2a-805be37e7dde/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e18d278-7c40-45d7-8a2a-805be37e7dde/bin/uautomizer-Dbtcem3rbc --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 9f744cc9100fe4c41c9cd8fddc1d55538ad14922708f8374e740fa1a934b47f6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:52:36,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:52:36,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:52:36,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:52:36,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:52:36,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:52:36,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:52:36,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:52:36,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:52:36,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:52:36,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:52:36,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:52:36,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:52:36,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:52:36,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:52:36,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:52:36,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:52:36,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:52:36,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:52:36,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:52:36,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:52:36,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:52:36,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:52:36,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:52:36,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:52:36,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:52:36,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:52:36,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:52:36,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:52:36,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:52:36,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:52:36,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:52:36,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:52:36,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:52:36,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:52:36,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:52:36,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:52:36,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:52:36,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:52:36,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:52:36,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:52:36,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e18d278-7c40-45d7-8a2a-805be37e7dde/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:52:36,794 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:52:36,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:52:36,795 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:52:36,795 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:52:36,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:52:36,797 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:52:36,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:52:36,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:52:36,798 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:52:36,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:52:36,800 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:52:36,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:52:36,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:52:36,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:52:36,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:52:36,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:52:36,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:52:36,801 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:52:36,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:52:36,802 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:52:36,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:52:36,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:52:36,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:52:36,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:52:36,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:52:36,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:52:36,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:52:36,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:52:36,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:52:36,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:52:36,811 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:52:36,811 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:52:36,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:52:36,811 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_2e18d278-7c40-45d7-8a2a-805be37e7dde/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e18d278-7c40-45d7-8a2a-805be37e7dde/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f744cc9100fe4c41c9cd8fddc1d55538ad14922708f8374e740fa1a934b47f6 [2022-11-02 20:52:37,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:52:37,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:52:37,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:52:37,086 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:52:37,087 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:52:37,088 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e18d278-7c40-45d7-8a2a-805be37e7dde/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2022-11-02 20:52:37,163 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e18d278-7c40-45d7-8a2a-805be37e7dde/bin/uautomizer-Dbtcem3rbc/data/2d7f6c78e/fabae8228ae64216990d38e40357923c/FLAG01b3f2c65 [2022-11-02 20:52:37,757 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:52:37,758 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e18d278-7c40-45d7-8a2a-805be37e7dde/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2022-11-02 20:52:37,769 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e18d278-7c40-45d7-8a2a-805be37e7dde/bin/uautomizer-Dbtcem3rbc/data/2d7f6c78e/fabae8228ae64216990d38e40357923c/FLAG01b3f2c65 [2022-11-02 20:52:37,998 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e18d278-7c40-45d7-8a2a-805be37e7dde/bin/uautomizer-Dbtcem3rbc/data/2d7f6c78e/fabae8228ae64216990d38e40357923c [2022-11-02 20:52:38,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:52:38,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:52:38,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:52:38,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:52:38,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:52:38,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:52:37" (1/1) ... [2022-11-02 20:52:38,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@773c52aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:38, skipping insertion in model container [2022-11-02 20:52:38,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:52:37" (1/1) ... [2022-11-02 20:52:38,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:52:38,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:52:38,361 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_2e18d278-7c40-45d7-8a2a-805be37e7dde/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c[6038,6051] [2022-11-02 20:52:38,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:52:38,433 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:52:38,465 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_2e18d278-7c40-45d7-8a2a-805be37e7dde/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c[6038,6051] [2022-11-02 20:52:38,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:52:38,526 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:52:38,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:38 WrapperNode [2022-11-02 20:52:38,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:52:38,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:52:38,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:52:38,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:52:38,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:38" (1/1) ... [2022-11-02 20:52:38,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:38" (1/1) ... [2022-11-02 20:52:38,577 INFO L138 Inliner]: procedures = 51, calls = 148, calls flagged for inlining = 20, calls inlined = 15, statements flattened = 187 [2022-11-02 20:52:38,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:52:38,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:52:38,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:52:38,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:52:38,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:38" (1/1) ... [2022-11-02 20:52:38,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:38" (1/1) ... [2022-11-02 20:52:38,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:38" (1/1) ... [2022-11-02 20:52:38,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:38" (1/1) ... [2022-11-02 20:52:38,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:38" (1/1) ... [2022-11-02 20:52:38,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:38" (1/1) ... [2022-11-02 20:52:38,605 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:38" (1/1) ... [2022-11-02 20:52:38,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:38" (1/1) ... [2022-11-02 20:52:38,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:52:38,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:52:38,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:52:38,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:52:38,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:38" (1/1) ... [2022-11-02 20:52:38,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:52:38,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e18d278-7c40-45d7-8a2a-805be37e7dde/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:52:38,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e18d278-7c40-45d7-8a2a-805be37e7dde/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:52:38,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e18d278-7c40-45d7-8a2a-805be37e7dde/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:52:38,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:52:38,733 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-02 20:52:38,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-02 20:52:38,734 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-02 20:52:38,734 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-02 20:52:38,734 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-02 20:52:38,734 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-02 20:52:38,736 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-02 20:52:38,738 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-02 20:52:38,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:52:38,738 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-02 20:52:38,738 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-02 20:52:38,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:52:38,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:52:38,851 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:52:38,855 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:52:39,139 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:52:39,147 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:52:39,147 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:52:39,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:52:39 BoogieIcfgContainer [2022-11-02 20:52:39,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:52:39,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:52:39,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:52:39,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:52:39,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:52:37" (1/3) ... [2022-11-02 20:52:39,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6577b8d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:52:39, skipping insertion in model container [2022-11-02 20:52:39,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:38" (2/3) ... [2022-11-02 20:52:39,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6577b8d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:52:39, skipping insertion in model container [2022-11-02 20:52:39,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:52:39" (3/3) ... [2022-11-02 20:52:39,161 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product11.cil.c [2022-11-02 20:52:39,182 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:52:39,183 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:52:39,271 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:52:39,276 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@37626969, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:52:39,277 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:52:39,282 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 56 states have internal predecessors, (72), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-02 20:52:39,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-02 20:52:39,293 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:52:39,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:52:39,294 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:52:39,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:52:39,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1989818001, now seen corresponding path program 1 times [2022-11-02 20:52:39,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:52:39,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146253546] [2022-11-02 20:52:39,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:52:39,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:52:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:52:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:39,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:52:39,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:52:39,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146253546] [2022-11-02 20:52:39,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146253546] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:52:39,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:52:39,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:52:39,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314338213] [2022-11-02 20:52:39,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:52:39,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:52:39,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:52:39,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:52:39,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:52:39,623 INFO L87 Difference]: Start difference. First operand has 66 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 56 states have internal predecessors, (72), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:52:39,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:52:39,687 INFO L93 Difference]: Finished difference Result 124 states and 167 transitions. [2022-11-02 20:52:39,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:52:39,689 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2022-11-02 20:52:39,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:52:39,699 INFO L225 Difference]: With dead ends: 124 [2022-11-02 20:52:39,699 INFO L226 Difference]: Without dead ends: 57 [2022-11-02 20:52:39,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:52:39,707 INFO L413 NwaCegarLoop]: 80 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, 80 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:52:39,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:52:39,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-02 20:52:39,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-02 20:52:39,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 45 states have (on average 1.288888888888889) internal successors, (58), 48 states have internal predecessors, (58), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-02 20:52:39,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2022-11-02 20:52:39,761 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 23 [2022-11-02 20:52:39,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:52:39,763 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2022-11-02 20:52:39,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:52:39,765 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-11-02 20:52:39,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-02 20:52:39,772 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:52:39,773 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:52:39,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:52:39,773 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:52:39,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:52:39,775 INFO L85 PathProgramCache]: Analyzing trace with hash 366452259, now seen corresponding path program 1 times [2022-11-02 20:52:39,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:52:39,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740922799] [2022-11-02 20:52:39,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:52:39,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:52:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:52:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:52:40,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:52:40,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740922799] [2022-11-02 20:52:40,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740922799] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:52:40,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:52:40,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:52:40,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291337175] [2022-11-02 20:52:40,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:52:40,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:52:40,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:52:40,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:52:40,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:52:40,078 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:52:40,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:52:40,093 INFO L93 Difference]: Finished difference Result 76 states and 93 transitions. [2022-11-02 20:52:40,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:52:40,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2022-11-02 20:52:40,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:52:40,095 INFO L225 Difference]: With dead ends: 76 [2022-11-02 20:52:40,095 INFO L226 Difference]: Without dead ends: 48 [2022-11-02 20:52:40,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:52:40,097 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 17 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:52:40,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 95 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:52:40,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-02 20:52:40,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-11-02 20:52:40,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 42 states have internal predecessors, (51), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 20:52:40,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2022-11-02 20:52:40,107 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 24 [2022-11-02 20:52:40,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:52:40,108 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2022-11-02 20:52:40,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:52:40,109 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2022-11-02 20:52:40,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-02 20:52:40,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:52:40,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:52:40,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:52:40,111 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:52:40,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:52:40,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1516817852, now seen corresponding path program 1 times [2022-11-02 20:52:40,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:52:40,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420428350] [2022-11-02 20:52:40,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:52:40,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:52:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:52:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:52:40,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:52:40,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420428350] [2022-11-02 20:52:40,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420428350] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:52:40,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:52:40,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:52:40,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294507082] [2022-11-02 20:52:40,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:52:40,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:52:40,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:52:40,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:52:40,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:52:40,293 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:52:40,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:52:40,516 INFO L93 Difference]: Finished difference Result 168 states and 215 transitions. [2022-11-02 20:52:40,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:52:40,517 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 28 [2022-11-02 20:52:40,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:52:40,526 INFO L225 Difference]: With dead ends: 168 [2022-11-02 20:52:40,526 INFO L226 Difference]: Without dead ends: 127 [2022-11-02 20:52:40,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:52:40,528 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 128 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:52:40,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 324 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:52:40,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-11-02 20:52:40,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 117. [2022-11-02 20:52:40,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 92 states have (on average 1.3478260869565217) internal successors, (124), 99 states have internal predecessors, (124), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2022-11-02 20:52:40,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 149 transitions. [2022-11-02 20:52:40,584 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 149 transitions. Word has length 28 [2022-11-02 20:52:40,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:52:40,584 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 149 transitions. [2022-11-02 20:52:40,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:52:40,585 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 149 transitions. [2022-11-02 20:52:40,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-02 20:52:40,586 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:52:40,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:52:40,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:52:40,586 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:52:40,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:52:40,587 INFO L85 PathProgramCache]: Analyzing trace with hash -871834641, now seen corresponding path program 1 times [2022-11-02 20:52:40,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:52:40,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047564154] [2022-11-02 20:52:40,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:52:40,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:52:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:52:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:52:40,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:52:40,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047564154] [2022-11-02 20:52:40,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047564154] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:52:40,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:52:40,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:52:40,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514991009] [2022-11-02 20:52:40,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:52:40,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:52:40,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:52:40,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:52:40,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:52:40,768 INFO L87 Difference]: Start difference. First operand 117 states and 149 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2022-11-02 20:52:40,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:52:40,810 INFO L93 Difference]: Finished difference Result 227 states and 294 transitions. [2022-11-02 20:52:40,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:52:40,810 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 29 [2022-11-02 20:52:40,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:52:40,811 INFO L225 Difference]: With dead ends: 227 [2022-11-02 20:52:40,811 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:52:40,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:52:40,814 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 36 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:52:40,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 142 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:52:40,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:52:40,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:52:40,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:52:40,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:52:40,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2022-11-02 20:52:40,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:52:40,817 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:52:40,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2022-11-02 20:52:40,818 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:52:40,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:52:40,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:52:40,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:52:40,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:52:41,096 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 440 451) the Hoare annotation is: true [2022-11-02 20:52:41,097 INFO L899 garLoopResultBuilder]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2022-11-02 20:52:41,097 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 440 451) no Hoare annotation was computed. [2022-11-02 20:52:41,097 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 452 460) the Hoare annotation is: true [2022-11-02 20:52:41,097 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 452 460) no Hoare annotation was computed. [2022-11-02 20:52:41,098 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 452 460) no Hoare annotation was computed. [2022-11-02 20:52:41,098 INFO L899 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2022-11-02 20:52:41,098 INFO L895 garLoopResultBuilder]: At program point L281(lines 276 284) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |timeShift_isPumpRunning_#res#1| 0)) [2022-11-02 20:52:41,098 INFO L895 garLoopResultBuilder]: At program point L409(lines 404 411) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-11-02 20:52:41,099 INFO L899 garLoopResultBuilder]: For program point L502(lines 502 515) no Hoare annotation was computed. [2022-11-02 20:52:41,099 INFO L902 garLoopResultBuilder]: At program point L502-1(lines 494 518) the Hoare annotation is: true [2022-11-02 20:52:41,099 INFO L902 garLoopResultBuilder]: At program point L500(line 500) the Hoare annotation is: true [2022-11-02 20:52:41,099 INFO L899 garLoopResultBuilder]: For program point L500-1(line 500) no Hoare annotation was computed. [2022-11-02 20:52:41,099 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2022-11-02 20:52:41,100 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 200 223) no Hoare annotation was computed. [2022-11-02 20:52:41,100 INFO L899 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2022-11-02 20:52:41,100 INFO L895 garLoopResultBuilder]: At program point L228(lines 224 230) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 0 ~systemActive~0))) [2022-11-02 20:52:41,100 INFO L895 garLoopResultBuilder]: At program point L420-2(lines 416 427) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-11-02 20:52:41,100 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-11-02 20:52:41,101 INFO L902 garLoopResultBuilder]: At program point timeShiftENTRY(lines 200 223) the Hoare annotation is: true [2022-11-02 20:52:41,101 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 203 222) no Hoare annotation was computed. [2022-11-02 20:52:41,101 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 200 223) no Hoare annotation was computed. [2022-11-02 20:52:41,101 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 408) no Hoare annotation was computed. [2022-11-02 20:52:41,102 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-11-02 20:52:41,102 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-11-02 20:52:41,102 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-11-02 20:52:41,102 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-11-02 20:52:41,102 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-11-02 20:52:41,102 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-02 20:52:41,103 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-02 20:52:41,103 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-11-02 20:52:41,103 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-02 20:52:41,103 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-02 20:52:41,103 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 353) no Hoare annotation was computed. [2022-11-02 20:52:41,104 INFO L895 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-02 20:52:41,104 INFO L895 garLoopResultBuilder]: At program point L176(lines 172 178) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-02 20:52:41,104 INFO L895 garLoopResultBuilder]: At program point L333(lines 321 335) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-02 20:52:41,105 INFO L895 garLoopResultBuilder]: At program point L395(lines 346 396) the Hoare annotation is: false [2022-11-02 20:52:41,105 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 331) no Hoare annotation was computed. [2022-11-02 20:52:41,105 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 331) no Hoare annotation was computed. [2022-11-02 20:52:41,105 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:52:41,105 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 389) no Hoare annotation was computed. [2022-11-02 20:52:41,106 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:52:41,106 INFO L895 garLoopResultBuilder]: At program point L383-2(lines 377 390) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-02 20:52:41,106 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:52:41,106 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 373) no Hoare annotation was computed. [2022-11-02 20:52:41,106 INFO L899 garLoopResultBuilder]: For program point L367-1(lines 367 373) no Hoare annotation was computed. [2022-11-02 20:52:41,106 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-11-02 20:52:41,107 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-11-02 20:52:41,107 INFO L895 garLoopResultBuilder]: At program point L169(lines 165 171) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-02 20:52:41,107 INFO L895 garLoopResultBuilder]: At program point L392(lines 347 394) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-02 20:52:41,107 INFO L895 garLoopResultBuilder]: At program point L359(line 359) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-02 20:52:41,107 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:52:41,108 INFO L902 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-11-02 20:52:41,108 INFO L902 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-11-02 20:52:41,108 INFO L899 garLoopResultBuilder]: For program point L348(lines 347 394) no Hoare annotation was computed. [2022-11-02 20:52:41,108 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 390) no Hoare annotation was computed. [2022-11-02 20:52:41,109 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-02 20:52:41,109 INFO L895 garLoopResultBuilder]: At program point L369(line 369) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-02 20:52:41,109 INFO L902 garLoopResultBuilder]: At program point L398(lines 337 402) the Hoare annotation is: true [2022-11-02 20:52:41,109 INFO L895 garLoopResultBuilder]: At program point L262(lines 257 264) the Hoare annotation is: false [2022-11-02 20:52:41,109 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 363) no Hoare annotation was computed. [2022-11-02 20:52:41,110 INFO L899 garLoopResultBuilder]: For program point L357-1(lines 357 363) no Hoare annotation was computed. [2022-11-02 20:52:41,110 INFO L899 garLoopResultBuilder]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2022-11-02 20:52:41,110 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 428 439) no Hoare annotation was computed. [2022-11-02 20:52:41,110 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 428 439) the Hoare annotation is: true [2022-11-02 20:52:41,114 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-02 20:52:41,116 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:52:41,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:52:41 BoogieIcfgContainer [2022-11-02 20:52:41,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:52:41,144 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:52:41,144 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:52:41,144 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:52:41,145 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:52:39" (3/4) ... [2022-11-02 20:52:41,147 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:52:41,152 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-02 20:52:41,152 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-02 20:52:41,152 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-02 20:52:41,152 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-02 20:52:41,153 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-02 20:52:41,159 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-11-02 20:52:41,159 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 20:52:41,159 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 20:52:41,160 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 20:52:41,160 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:52:41,160 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:52:41,161 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:52:41,186 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive [2022-11-02 20:52:41,186 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive [2022-11-02 20:52:41,188 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || \result == 0 [2022-11-02 20:52:41,210 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e18d278-7c40-45d7-8a2a-805be37e7dde/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:52:41,211 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:52:41,211 INFO L158 Benchmark]: Toolchain (without parser) took 3209.08ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 69.4MB in the beginning and 99.1MB in the end (delta: -29.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:52:41,211 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:52:41,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.30ms. Allocated memory is still 115.3MB. Free memory was 69.2MB in the beginning and 81.7MB in the end (delta: -12.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:52:41,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.89ms. Allocated memory is still 115.3MB. Free memory was 81.7MB in the beginning and 79.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:52:41,213 INFO L158 Benchmark]: Boogie Preprocessor took 30.96ms. Allocated memory is still 115.3MB. Free memory was 79.6MB in the beginning and 78.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:52:41,213 INFO L158 Benchmark]: RCFGBuilder took 539.52ms. Allocated memory is still 115.3MB. Free memory was 78.0MB in the beginning and 61.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-02 20:52:41,213 INFO L158 Benchmark]: TraceAbstraction took 1988.51ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 61.2MB in the beginning and 103.3MB in the end (delta: -42.1MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2022-11-02 20:52:41,214 INFO L158 Benchmark]: Witness Printer took 66.52ms. Allocated memory is still 138.4MB. Free memory was 103.3MB in the beginning and 99.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:52:41,215 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.30ms. Allocated memory is still 115.3MB. Free memory was 69.2MB in the beginning and 81.7MB in the end (delta: -12.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.89ms. Allocated memory is still 115.3MB. Free memory was 81.7MB in the beginning and 79.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.96ms. Allocated memory is still 115.3MB. Free memory was 79.6MB in the beginning and 78.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 539.52ms. Allocated memory is still 115.3MB. Free memory was 78.0MB in the beginning and 61.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1988.51ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 61.2MB in the beginning and 103.3MB in the end (delta: -42.1MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Witness Printer took 66.52ms. Allocated memory is still 138.4MB. Free memory was 103.3MB in the beginning and 99.1MB in the end (delta: 4.2MB). 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: 408]: 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 6 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 641 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 392 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 249 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 133 PreInvPairs, 169 NumberOfFragments, 113 HoareAnnotationTreeSize, 133 FomulaSimplifications, 42 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 29 FomulaSimplificationsInter, 458 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 198 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || \result == 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(0 == systemActive) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive RESULT: Ultimate proved your program to be correct! [2022-11-02 20:52:41,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e18d278-7c40-45d7-8a2a-805be37e7dde/bin/uautomizer-Dbtcem3rbc/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